�ݺ�ߣshows by User: PatHeslopHarrison

�ݺ�ߣshows by User: PatHeslopHarrison / http://www.slideshare.net/images/logo.gif �ݺ�ߣshows by User: PatHeslopHarrison / Tue, 23 Jul 2024 09:26:37 GMT �ݺ�ߣShare feed for �ݺ�ߣshows by User: PatHeslopHarrison Ribosomal DNA rDNA rRNA Organization and Evolution at Large Scale IBC2024 /slideshow/ribosonal-dna-organization-and-evolution-at-large-scale-ibc2024/270430910 rdnaibcheslopharrison-240723092637-e1400eea
5S and 45S rDNA monomer organization: lengths, variation and interruption in tandem arrays from Musaceae species Authors Pat Heslop-Harrison1,2, Qing Liu2 , Ziwei Wang2, Trude Schwarzacher1,2 Affiliations 1 University of Leicester, Leicester, United Kingdom 2 South China Botanical Garden, Guangzhou, China Abstract Long, single-molecule DNA sequencing shows the organization and structures of rDNA monomers in tandem repeats. Short reads of both 5S and 45S rDNA collapse the arrays during assembly, while older BAC sequences suffer from chaemerism and assembly artefacts. Far from being a continuous array of monomers, we find short deletions, insertions or interruptions in the arrays. Full-length retroelements are found at variable points within some 45S and 5S monomers in the arrays, and there are occasional insertions of uncharacterized sequences. Within monomers, both deletions and short duplications are found. Similar rearrangements have been found in multiple, non-identical, reads, giving evidence for homogenization through unequal crossing-over (and hence duplication of segments of the arrays). The 'starts' of the arrays have been characterized with flanking sequences. Musaceae provides a good model for the comparative study of the rDNA arrays, with long reads available from multiple species, variable chromosome numbers and evolutionary movement of rDNA between chromosomes, independent of other genes. The rDNA is very variable between species, many with one pair sites of 45S rDNA, representing 1% of all the DNA, to Musa beccarii with 3 sites and 5% of the DNA. Monomer lengths are also variable, with the typical length around 400bp found for most 5S monomers but 1056bp in Ensete. The detailed characterization of the arrays shows evolutionary mechanisms and diversity of the ribosomal DNA arrays. Further information and references are given at www.molcyt.org . IBC2024 Madrid International Botanical Congress XX XXIBC]]>
5S and 45S rDNA monomer organization: lengths, variation and interruption in tandem arrays from Musaceae species Authors Pat Heslop-Harrison1,2, Qing Liu2 , Ziwei Wang2, Trude Schwarzacher1,2 Affiliations 1 University of Leicester, Leicester, United Kingdom 2 South China Botanical Garden, Guangzhou, China Abstract Long, single-molecule DNA sequencing shows the organization and structures of rDNA monomers in tandem repeats. Short reads of both 5S and 45S rDNA collapse the arrays during assembly, while older BAC sequences suffer from chaemerism and assembly artefacts. Far from being a continuous array of monomers, we find short deletions, insertions or interruptions in the arrays. Full-length retroelements are found at variable points within some 45S and 5S monomers in the arrays, and there are occasional insertions of uncharacterized sequences. Within monomers, both deletions and short duplications are found. Similar rearrangements have been found in multiple, non-identical, reads, giving evidence for homogenization through unequal crossing-over (and hence duplication of segments of the arrays). The 'starts' of the arrays have been characterized with flanking sequences. Musaceae provides a good model for the comparative study of the rDNA arrays, with long reads available from multiple species, variable chromosome numbers and evolutionary movement of rDNA between chromosomes, independent of other genes. The rDNA is very variable between species, many with one pair sites of 45S rDNA, representing 1% of all the DNA, to Musa beccarii with 3 sites and 5% of the DNA. Monomer lengths are also variable, with the typical length around 400bp found for most 5S monomers but 1056bp in Ensete. The detailed characterization of the arrays shows evolutionary mechanisms and diversity of the ribosomal DNA arrays. Further information and references are given at www.molcyt.org . IBC2024 Madrid International Botanical Congress XX XXIBC]]> Tue, 23 Jul 2024 09:26:37 GMT /slideshow/ribosonal-dna-organization-and-evolution-at-large-scale-ibc2024/270430910 PatHeslopHarrison@slideshare.net(PatHeslopHarrison) Ribosomal DNA rDNA rRNA Organization and Evolution at Large Scale IBC2024 PatHeslopHarrison 5S and 45S rDNA monomer organization: lengths, variation and interruption in tandem arrays from Musaceae species Authors Pat Heslop-Harrison1,2, Qing Liu2 , Ziwei Wang2, Trude Schwarzacher1,2 Affiliations 1 University of Leicester, Leicester, United Kingdom 2 South China Botanical Garden, Guangzhou, China Abstract Long, single-molecule DNA sequencing shows the organization and structures of rDNA monomers in tandem repeats. Short reads of both 5S and 45S rDNA collapse the arrays during assembly, while older BAC sequences suffer from chaemerism and assembly artefacts. Far from being a continuous array of monomers, we find short deletions, insertions or interruptions in the arrays. Full-length retroelements are found at variable points within some 45S and 5S monomers in the arrays, and there are occasional insertions of uncharacterized sequences. Within monomers, both deletions and short duplications are found. Similar rearrangements have been found in multiple, non-identical, reads, giving evidence for homogenization through unequal crossing-over (and hence duplication of segments of the arrays). The 'starts' of the arrays have been characterized with flanking sequences. Musaceae provides a good model for the comparative study of the rDNA arrays, with long reads available from multiple species, variable chromosome numbers and evolutionary movement of rDNA between chromosomes, independent of other genes. The rDNA is very variable between species, many with one pair sites of 45S rDNA, representing 1% of all the DNA, to Musa beccarii with 3 sites and 5% of the DNA. Monomer lengths are also variable, with the typical length around 400bp found for most 5S monomers but 1056bp in Ensete. The detailed characterization of the arrays shows evolutionary mechanisms and diversity of the ribosomal DNA arrays. Further information and references are given at www.molcyt.org . IBC2024 Madrid International Botanical Congress XX XXIBC <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/rdnaibcheslopharrison-240723092637-e1400eea-thumbnail.jpg?width=120&height=120&fit=bounds" /> 5S and 45S rDNA monomer organization: lengths, variation and interruption in tandem arrays from Musaceae species Authors Pat Heslop-Harrison1,2, Qing Liu2 , Ziwei Wang2, Trude Schwarzacher1,2 Affiliations 1 University of Leicester, Leicester, United Kingdom 2 South China Botanical Garden, Guangzhou, China Abstract Long, single-molecule DNA sequencing shows the organization and structures of rDNA monomers in tandem repeats. Short reads of both 5S and 45S rDNA collapse the arrays during assembly, while older BAC sequences suffer from chaemerism and assembly artefacts. Far from being a continuous array of monomers, we find short deletions, insertions or interruptions in the arrays. Full-length retroelements are found at variable points within some 45S and 5S monomers in the arrays, and there are occasional insertions of uncharacterized sequences. Within monomers, both deletions and short duplications are found. Similar rearrangements have been found in multiple, non-identical, reads, giving evidence for homogenization through unequal crossing-over (and hence duplication of segments of the arrays). The 'starts' of the arrays have been characterized with flanking sequences. Musaceae provides a good model for the comparative study of the rDNA arrays, with long reads available from multiple species, variable chromosome numbers and evolutionary movement of rDNA between chromosomes, independent of other genes. The rDNA is very variable between species, many with one pair sites of 45S rDNA, representing 1% of all the DNA, to Musa beccarii with 3 sites and 5% of the DNA. Monomer lengths are also variable, with the typical length around 400bp found for most 5S monomers but 1056bp in Ensete. The detailed characterization of the arrays shows evolutionary mechanisms and diversity of the ribosomal DNA arrays. Further information and references are given at www.molcyt.org . IBC2024 Madrid International Botanical Congress XX XXIBC

Ribosomal DNA rDNA rRNA Organization and Evolution at Large Scale IBC2024 from Pat (JS) Heslop-Harrison

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0 SaffronCrocusGenomicsThessalonikiOnlineMay2024TalkOnline.pptx /slideshow/saffroncrocusgenomicsthessalonikionlinemay2024talkonline-pptx/268621633 saffroncrocusgenomicsthessalonikionlinemay2024talkonline-240516153709-29f6197a
An overview of some work on the DNA, genomes, chromosomes and genes in saffron crocus, Crocus sativus, from our lab, with mention of other work with whole genome assemblies from several countries, and analysis of repetitive DNA components by in situ hybridization.]]>
An overview of some work on the DNA, genomes, chromosomes and genes in saffron crocus, Crocus sativus, from our lab, with mention of other work with whole genome assemblies from several countries, and analysis of repetitive DNA components by in situ hybridization.]]> Thu, 16 May 2024 15:37:09 GMT /slideshow/saffroncrocusgenomicsthessalonikionlinemay2024talkonline-pptx/268621633 PatHeslopHarrison@slideshare.net(PatHeslopHarrison) SaffronCrocusGenomicsThessalonikiOnlineMay2024TalkOnline.pptx PatHeslopHarrison An overview of some work on the DNA, genomes, chromosomes and genes in saffron crocus, Crocus sativus, from our lab, with mention of other work with whole genome assemblies from several countries, and analysis of repetitive DNA components by in situ hybridization. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/saffroncrocusgenomicsthessalonikionlinemay2024talkonline-240516153709-29f6197a-thumbnail.jpg?width=120&height=120&fit=bounds" /> An overview of some work on the DNA, genomes, chromosomes and genes in saffron crocus, Crocus sativus, from our lab, with mention of other work with whole genome assemblies from several countries, and analysis of repetitive DNA components by in situ hybridization.

SaffronCrocusGenomicsThessalonikiOnlineMay2024TalkOnline.pptx from Pat (JS) Heslop-Harrison

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0 Molecular Cytogenetics - HYM Mohan Ram Heslop-Harrison Delhi /PatHeslopHarrison/molecular-cytogenetics-hym-mohan-ram-heslopharrison-delhi hymohanramheslopharrisondelhisept2023-231003071705-8e581b97
Memorial lecture to University of Delhi HYM H.Y. Mohan Ram giving results about our molecular cytogenetics and cytogenomics research in University of Leicester and South China Botanical Garden]]>
Memorial lecture to University of Delhi HYM H.Y. Mohan Ram giving results about our molecular cytogenetics and cytogenomics research in University of Leicester and South China Botanical Garden]]> Tue, 03 Oct 2023 07:17:05 GMT /PatHeslopHarrison/molecular-cytogenetics-hym-mohan-ram-heslopharrison-delhi PatHeslopHarrison@slideshare.net(PatHeslopHarrison) Molecular Cytogenetics - HYM Mohan Ram Heslop-Harrison Delhi PatHeslopHarrison Memorial lecture to University of Delhi HYM H.Y. Mohan Ram giving results about our molecular cytogenetics and cytogenomics research in University of Leicester and South China Botanical Garden <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/hymohanramheslopharrisondelhisept2023-231003071705-8e581b97-thumbnail.jpg?width=120&height=120&fit=bounds" /> Memorial lecture to University of Delhi HYM H.Y. Mohan Ram giving results about our molecular cytogenetics and cytogenomics research in University of Leicester and South China Botanical Garden

Molecular Cytogenetics - HYM Mohan Ram Heslop-Harrison Delhi from Pat (JS) Heslop-Harrison

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0 HeslopHarrisonDurhamFlax.pptx /slideshow/heslopharrisondurhamflaxpptx/255344608 heslopharrisondurhamflax-230116135143-e5d19e78
Flax, Linseed, or Linum usitatissimum is a high-value mutipurpose crops with huge potential for sustainable agriculture - the production of food, feed, fibres and fuel without destroying our planet. There are huge opportunities for the flax crop to contribute to this. The work in this talk will give some thoughts about the crop improvement, enabling sustainable and biodiverse agriculture.]]>
Flax, Linseed, or Linum usitatissimum is a high-value mutipurpose crops with huge potential for sustainable agriculture - the production of food, feed, fibres and fuel without destroying our planet. There are huge opportunities for the flax crop to contribute to this. The work in this talk will give some thoughts about the crop improvement, enabling sustainable and biodiverse agriculture.]]> Mon, 16 Jan 2023 13:51:43 GMT /slideshow/heslopharrisondurhamflaxpptx/255344608 PatHeslopHarrison@slideshare.net(PatHeslopHarrison) HeslopHarrisonDurhamFlax.pptx PatHeslopHarrison Flax, Linseed, or Linum usitatissimum is a high-value mutipurpose crops with huge potential for sustainable agriculture - the production of food, feed, fibres and fuel without destroying our planet. There are huge opportunities for the flax crop to contribute to this. The work in this talk will give some thoughts about the crop improvement, enabling sustainable and biodiverse agriculture. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/heslopharrisondurhamflax-230116135143-e5d19e78-thumbnail.jpg?width=120&height=120&fit=bounds" /> Flax, Linseed, or Linum usitatissimum is a high-value mutipurpose crops with huge potential for sustainable agriculture - the production of food, feed, fibres and fuel without destroying our planet. There are huge opportunities for the flax crop to contribute to this. The work in this talk will give some thoughts about the crop improvement, enabling sustainable and biodiverse agriculture.

HeslopHarrisonDurhamFlax.pptx from Pat (JS) Heslop-Harrison

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0 Saffron Crocus Genetics and Genomics - University of California Davis Seminar /slideshow/saffron-crocus-genetics-and-genomics-university-of-california-davis-seminar/251059987 daviscaliforniaseminarcrocusjan2022reducedsize-220126184546
Saffron is the world's most expensive agricultural crop. Here I discuss challenges with the crop, discovery of its relatives, and possible approaches to crop improvement.]]>
Saffron is the world's most expensive agricultural crop. Here I discuss challenges with the crop, discovery of its relatives, and possible approaches to crop improvement.]]> Wed, 26 Jan 2022 18:45:45 GMT /slideshow/saffron-crocus-genetics-and-genomics-university-of-california-davis-seminar/251059987 PatHeslopHarrison@slideshare.net(PatHeslopHarrison) Saffron Crocus Genetics and Genomics - University of California Davis Seminar PatHeslopHarrison Saffron is the world's most expensive agricultural crop. Here I discuss challenges with the crop, discovery of its relatives, and possible approaches to crop improvement. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/daviscaliforniaseminarcrocusjan2022reducedsize-220126184546-thumbnail.jpg?width=120&height=120&fit=bounds" /> Saffron is the world's most expensive agricultural crop. Here I discuss challenges with the crop, discovery of its relatives, and possible approaches to crop improvement.

Saffron Crocus Genetics and Genomics - University of California Davis Seminar from Pat (JS) Heslop-Harrison

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0 Evolution, biodiversity and the banana pangenome /slideshow/evolution-biodiversity-and-the-banana-pangenome/250132353 evolutionbiodiversityandthebananapangenomeb-210907085911
Plenary Talk “The banana pangenome, evolution, and exploiting biodiversity“ Pat Heslop-Harrison phh@molcyt.com for Malaysian National Banana Congress 2021 Banana production faces challenges from biotic (disease) and abiotic (environment) stresses. New genetic characteristics are needed for stress resistance and to improve yield, agronomy, post-harvest quality, nutritional value, and even for new food or industrial uses. Improvement requires i) identification of the challenge; ii) identification of useful genetic variants; iii) potentially bringing together useful variants in a single plant; iv) testing of characteristics of a new variety; and v) propagation and planting. I will discuss our results measuring diversity in germplasm from banana and its sister species including the starchy Ensete, towards generating a pan-genome representing the entire genetic diversity within the Musaceae family. I will consider how this diversity has evolved and how we might use it as a common gene pool to improve banana for the benefit of smallholder or commercial farmers, and for the sustainability in the environment. ]]>
Plenary Talk “The banana pangenome, evolution, and exploiting biodiversity“ Pat Heslop-Harrison phh@molcyt.com for Malaysian National Banana Congress 2021 Banana production faces challenges from biotic (disease) and abiotic (environment) stresses. New genetic characteristics are needed for stress resistance and to improve yield, agronomy, post-harvest quality, nutritional value, and even for new food or industrial uses. Improvement requires i) identification of the challenge; ii) identification of useful genetic variants; iii) potentially bringing together useful variants in a single plant; iv) testing of characteristics of a new variety; and v) propagation and planting. I will discuss our results measuring diversity in germplasm from banana and its sister species including the starchy Ensete, towards generating a pan-genome representing the entire genetic diversity within the Musaceae family. I will consider how this diversity has evolved and how we might use it as a common gene pool to improve banana for the benefit of smallholder or commercial farmers, and for the sustainability in the environment. ]]> Tue, 07 Sep 2021 08:59:10 GMT /slideshow/evolution-biodiversity-and-the-banana-pangenome/250132353 PatHeslopHarrison@slideshare.net(PatHeslopHarrison) Evolution, biodiversity and the banana pangenome PatHeslopHarrison Plenary Talk “The banana pangenome, evolution, and exploiting biodiversity“ Pat Heslop-Harrison phh@molcyt.com for Malaysian National Banana Congress 2021 Banana production faces challenges from biotic (disease) and abiotic (environment) stresses. New genetic characteristics are needed for stress resistance and to improve yield, agronomy, post-harvest quality, nutritional value, and even for new food or industrial uses. Improvement requires i) identification of the challenge; ii) identification of useful genetic variants; iii) potentially bringing together useful variants in a single plant; iv) testing of characteristics of a new variety; and v) propagation and planting. I will discuss our results measuring diversity in germplasm from banana and its sister species including the starchy Ensete, towards generating a pan-genome representing the entire genetic diversity within the Musaceae family. I will consider how this diversity has evolved and how we might use it as a common gene pool to improve banana for the benefit of smallholder or commercial farmers, and for the sustainability in the environment. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/evolutionbiodiversityandthebananapangenomeb-210907085911-thumbnail.jpg?width=120&height=120&fit=bounds" /> Plenary Talk “The banana pangenome, evolution, and exploiting biodiversity“ Pat Heslop-Harrison phh@molcyt.com for Malaysian National Banana Congress 2021 Banana production faces challenges from biotic (disease) and abiotic (environment) stresses. New genetic characteristics are needed for stress resistance and to improve yield, agronomy, post-harvest quality, nutritional value, and even for new food or industrial uses. Improvement requires i) identification of the challenge; ii) identification of useful genetic variants; iii) potentially bringing together useful variants in a single plant; iv) testing of characteristics of a new variety; and v) propagation and planting. I will discuss our results measuring diversity in germplasm from banana and its sister species including the starchy Ensete, towards generating a pan-genome representing the entire genetic diversity within the Musaceae family. I will consider how this diversity has evolved and how we might use it as a common gene pool to improve banana for the benefit of smallholder or commercial farmers, and for the sustainability in the environment.

Evolution, biodiversity and the banana pangenome from Pat (JS) Heslop-Harrison

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0 Biodiversity and Super Domestication Seminar Pat Heslop-Harrison /slideshow/biodiversity-and-super-domestication-seminar-pat-heslopharrison/248434872 superdomesticationbiodiversitypakistanbiodiversity2021mayupload-210522082902
Lecture for International Day of Biological Diversity. Biodiversity Day 2021 ]]>
Lecture for International Day of Biological Diversity. Biodiversity Day 2021 ]]> Sat, 22 May 2021 08:29:01 GMT /slideshow/biodiversity-and-super-domestication-seminar-pat-heslopharrison/248434872 PatHeslopHarrison@slideshare.net(PatHeslopHarrison) Biodiversity and Super Domestication Seminar Pat Heslop-Harrison PatHeslopHarrison Lecture for International Day of Biological Diversity. Biodiversity Day 2021 <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/superdomesticationbiodiversitypakistanbiodiversity2021mayupload-210522082902-thumbnail.jpg?width=120&height=120&fit=bounds" /> Lecture for International Day of Biological Diversity. Biodiversity Day 2021

Biodiversity and Super Domestication Seminar Pat Heslop-Harrison from Pat (JS) Heslop-Harrison

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0 Heslop harrison dessalegnethiopiafeb2020withmeetingtitle /PatHeslopHarrison/heslop-harrison-dessalegnethiopiafeb2020withmeetingtitle heslopharrisondessalegnethiopiafeb2020withmeetingtitle-200210161740
Ensete workshop with genomics data as part of GCRF BBSRC project lead by Royal Botanic Gardens Kew organized by Wolkite University, Addis Ababa Universities and others]]>
Ensete workshop with genomics data as part of GCRF BBSRC project lead by Royal Botanic Gardens Kew organized by Wolkite University, Addis Ababa Universities and others]]> Mon, 10 Feb 2020 16:17:40 GMT /PatHeslopHarrison/heslop-harrison-dessalegnethiopiafeb2020withmeetingtitle PatHeslopHarrison@slideshare.net(PatHeslopHarrison) Heslop harrison dessalegnethiopiafeb2020withmeetingtitle PatHeslopHarrison Ensete workshop with genomics data as part of GCRF BBSRC project lead by Royal Botanic Gardens Kew organized by Wolkite University, Addis Ababa Universities and others <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/heslopharrisondessalegnethiopiafeb2020withmeetingtitle-200210161740-thumbnail.jpg?width=120&height=120&fit=bounds" /> Ensete workshop with genomics data as part of GCRF BBSRC project lead by Royal Botanic Gardens Kew organized by Wolkite University, Addis Ababa Universities and others

Heslop harrison dessalegnethiopiafeb2020withmeetingtitle from Pat (JS) Heslop-Harrison

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0 Genome Evolution Chromosomes Heslop-Harrison ICC Prague /slideshow/genome-evolution-chromosomes-heslopharrison-icc-prague/113039378 heslopharrisonprague3forweb-180905053916
Pat Heslop-Harrison presentation for International Chromosome Conference Prague September 2018 Meiosis, recombination, pairing, mitochondria, evolution, genomics, oligonucleotides, in situ hybridization, breeding, genetics, cytogenetics, ICC, ICC22]]>
Pat Heslop-Harrison presentation for International Chromosome Conference Prague September 2018 Meiosis, recombination, pairing, mitochondria, evolution, genomics, oligonucleotides, in situ hybridization, breeding, genetics, cytogenetics, ICC, ICC22]]> Wed, 05 Sep 2018 05:39:16 GMT /slideshow/genome-evolution-chromosomes-heslopharrison-icc-prague/113039378 PatHeslopHarrison@slideshare.net(PatHeslopHarrison) Genome Evolution Chromosomes Heslop-Harrison ICC Prague PatHeslopHarrison Pat Heslop-Harrison presentation for International Chromosome Conference Prague September 2018 Meiosis, recombination, pairing, mitochondria, evolution, genomics, oligonucleotides, in situ hybridization, breeding, genetics, cytogenetics, ICC, ICC22 <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/heslopharrisonprague3forweb-180905053916-thumbnail.jpg?width=120&height=120&fit=bounds" /> Pat Heslop-Harrison presentation for International Chromosome Conference Prague September 2018 Meiosis, recombination, pairing, mitochondria, evolution, genomics, oligonucleotides, in situ hybridization, breeding, genetics, cytogenetics, ICC, ICC22

Genome Evolution Chromosomes Heslop-Harrison ICC Prague from Pat (JS) Heslop-Harrison

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0 Polyploids and Chromosomes Lecture Japanese Genetics Society Heslop-Harrison Okayama /slideshow/polyploids-and-chromosomes-lecture-japanese-genetics-society-heslopharrison-okayama/79766671 heslopharrisonchromosomepolyploidokayamagenetics-170914111347
Polyploidy, its occurrence in plants, consequences and evolutionary significance. Lecture to Japanese Genetics Society, Okayama, September 2017. Covering wheat and its evolution]]>
Polyploidy, its occurrence in plants, consequences and evolutionary significance. Lecture to Japanese Genetics Society, Okayama, September 2017. Covering wheat and its evolution]]> Thu, 14 Sep 2017 11:13:47 GMT /slideshow/polyploids-and-chromosomes-lecture-japanese-genetics-society-heslopharrison-okayama/79766671 PatHeslopHarrison@slideshare.net(PatHeslopHarrison) Polyploids and Chromosomes Lecture Japanese Genetics Society Heslop-Harrison Okayama PatHeslopHarrison Polyploidy, its occurrence in plants, consequences and evolutionary significance. Lecture to Japanese Genetics Society, Okayama, September 2017. Covering wheat and its evolution <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/heslopharrisonchromosomepolyploidokayamagenetics-170914111347-thumbnail.jpg?width=120&height=120&fit=bounds" /> Polyploidy, its occurrence in plants, consequences and evolutionary significance. Lecture to Japanese Genetics Society, Okayama, September 2017. Covering wheat and its evolution

Polyploids and Chromosomes Lecture Japanese Genetics Society Heslop-Harrison Okayama from Pat (JS) Heslop-Harrison

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0 Genomics, mutation breeding and society - IAEA Coffee & Banana meeting - Schwarzacher Heslop-Harrison /slideshow/genomics-mutation-breeding-and-society-iaea-coffee-banana-meeting-schwarzacher-heslopharrison/76477978 phhtstalkiaeacrpbananacoffee-170530090027
Presentation on genomics, plant breeding and society for the IAEA / FAO joint Coordinated Research Programme CRP Research Coordination Meeting RCM Efficient screening techniques to identify mutants with disease resistance for coffee and banana CRP D22005 Lisbon June 2017 Pat Heslop-Harrison and Trude Schwarzacher. Emphasizing use of germplasm resources and mutation induction to meet challenges facing farmers, including overview of our work in the Molecular Cytogenetics lab. and plans for Ensete, Ethiopian banana. We discuss genotyping and phenotyping: areas where there have been huge improvements in the last decade. We discuss the need for superdomestication: consideration of traits needed by farmers and society in new crop varieties before generation of these varieties using appropriate genes and technologies to meet the challenges of sustainable, productive agriculture. Collaboration and education are needed globally to generate new sustainable crop varieties. see www.molcyt.com for more information about our research �ݺ�ߣ 6 Table 9 from http://www.fao.org/docrep/007/ae216e/ae216e08.htm Biotechnology and in vitro mutagenesis for banana improvement - Mak Chai, YW Ho, KW Liew, JM Asif ]]>
Presentation on genomics, plant breeding and society for the IAEA / FAO joint Coordinated Research Programme CRP Research Coordination Meeting RCM Efficient screening techniques to identify mutants with disease resistance for coffee and banana CRP D22005 Lisbon June 2017 Pat Heslop-Harrison and Trude Schwarzacher. Emphasizing use of germplasm resources and mutation induction to meet challenges facing farmers, including overview of our work in the Molecular Cytogenetics lab. and plans for Ensete, Ethiopian banana. We discuss genotyping and phenotyping: areas where there have been huge improvements in the last decade. We discuss the need for superdomestication: consideration of traits needed by farmers and society in new crop varieties before generation of these varieties using appropriate genes and technologies to meet the challenges of sustainable, productive agriculture. Collaboration and education are needed globally to generate new sustainable crop varieties. see www.molcyt.com for more information about our research �ݺ�ߣ 6 Table 9 from http://www.fao.org/docrep/007/ae216e/ae216e08.htm Biotechnology and in vitro mutagenesis for banana improvement - Mak Chai, YW Ho, KW Liew, JM Asif ]]> Tue, 30 May 2017 09:00:27 GMT /slideshow/genomics-mutation-breeding-and-society-iaea-coffee-banana-meeting-schwarzacher-heslopharrison/76477978 PatHeslopHarrison@slideshare.net(PatHeslopHarrison) Genomics, mutation breeding and society - IAEA Coffee & Banana meeting - Schwarzacher Heslop-Harrison PatHeslopHarrison Presentation on genomics, plant breeding and society for the IAEA / FAO joint Coordinated Research Programme CRP Research Coordination Meeting RCM Efficient screening techniques to identify mutants with disease resistance for coffee and banana CRP D22005 Lisbon June 2017 Pat Heslop-Harrison and Trude Schwarzacher. Emphasizing use of germplasm resources and mutation induction to meet challenges facing farmers, including overview of our work in the Molecular Cytogenetics lab. and plans for Ensete, Ethiopian banana. We discuss genotyping and phenotyping: areas where there have been huge improvements in the last decade. We discuss the need for superdomestication: consideration of traits needed by farmers and society in new crop varieties before generation of these varieties using appropriate genes and technologies to meet the challenges of sustainable, productive agriculture. Collaboration and education are needed globally to generate new sustainable crop varieties. see www.molcyt.com for more information about our research �ݺ�ߣ 6 Table 9 from http://www.fao.org/docrep/007/ae216e/ae216e08.htm Biotechnology and in vitro mutagenesis for banana improvement - Mak Chai, YW Ho, KW Liew, JM Asif <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/phhtstalkiaeacrpbananacoffee-170530090027-thumbnail.jpg?width=120&height=120&fit=bounds" /> Presentation on genomics, plant breeding and society for the IAEA / FAO joint Coordinated Research Programme CRP Research Coordination Meeting RCM Efficient screening techniques to identify mutants with disease resistance for coffee and banana CRP D22005 Lisbon June 2017 Pat Heslop-Harrison and Trude Schwarzacher. Emphasizing use of germplasm resources and mutation induction to meet challenges facing farmers, including overview of our work in the Molecular Cytogenetics lab. and plans for Ensete, Ethiopian banana. We discuss genotyping and phenotyping: areas where there have been huge improvements in the last decade. We discuss the need for superdomestication: consideration of traits needed by farmers and society in new crop varieties before generation of these varieties using appropriate genes and technologies to meet the challenges of sustainable, productive agriculture. Collaboration and education are needed globally to generate new sustainable crop varieties. see www.molcyt.com for more information about our research �ݺ�ߣ 6 Table 9 from http://www.fao.org/docrep/007/ae216e/ae216e08.htm Biotechnology and in vitro mutagenesis for banana improvement - Mak Chai, YW Ho, KW Liew, JM Asif

Genomics, mutation breeding and society - IAEA Coffee & Banana meeting - Schwarzacher Heslop-Harrison from Pat (JS) Heslop-Harrison

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0 Molecular Cytogenetics Research Group Dec 2016 Pat Heslop-Harrison /PatHeslopHarrison/molecular-cytogenetics-research-group-dec-2016-pat-heslopharrison molcytinfographic-170125104031
Infographic of activities of the molecular cytogenetics research group, Dept of Genetics, University Leicester, in December 2016. Work on genomics, genomes, chromosomes, evolution]]>
Infographic of activities of the molecular cytogenetics research group, Dept of Genetics, University Leicester, in December 2016. Work on genomics, genomes, chromosomes, evolution]]> Wed, 25 Jan 2017 10:40:31 GMT /PatHeslopHarrison/molecular-cytogenetics-research-group-dec-2016-pat-heslopharrison PatHeslopHarrison@slideshare.net(PatHeslopHarrison) Molecular Cytogenetics Research Group Dec 2016 Pat Heslop-Harrison PatHeslopHarrison Infographic of activities of the molecular cytogenetics research group, Dept of Genetics, University Leicester, in December 2016. Work on genomics, genomes, chromosomes, evolution <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/molcytinfographic-170125104031-thumbnail.jpg?width=120&height=120&fit=bounds" /> Infographic of activities of the molecular cytogenetics research group, Dept of Genetics, University Leicester, in December 2016. Work on genomics, genomes, chromosomes, evolution

Molecular Cytogenetics Research Group Dec 2016 Pat Heslop-Harrison from Pat (JS) Heslop-Harrison

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0 Banana, Ensete and Boesenbergia Genomics - Schwarzacher, Heslop-Harrison, Harikrishna /slideshow/banana-ensete-and-boesenbergia-genomics-schwarzacher-heslopharrison-harikrishna/71113362 schwarzacherensetegenomics3-170117184313
Comparative genomic analysis in Zingiberales: what can we learn from banana to enable Ensete and Boesenbergia to reach their potential? Talk for Plant and Animal Genomics XXV 25 - San Diego January 2017 Trude Schwarzacher, Jennifer A. Harikrishna and Pat Heslop-Harrison, University of Leicester and University of Malaya phh(a)molcyt.com Within the Zingiberales there are many orphan crops that are grown in Africa and Asia where recently started genomic efforts will have an impact for the future understanding and breeding of these crops. Advanced genomics and genome knowledge of the taxonomically closely related genus Musa will help identify genes and their function. We will discuss relevant recent work with Musa and results from DNA sequencing, examinations of diversity and studies of genome structure, gene expression and epigenetic control in Boesenbergia and ensete. Ensete is an important starch staple food in Ethiopia. It is harvested just as the monocarpic plant starts to flower, a few years after planting, and the stored starch extracted from the pseudo-stem and corm. A genome sequence has been published, but there is little genomics. Characterization of the diversity in the species and understanding of the differences to Musa will enable selection and breeding for crop improvement to meet the requirements of increasing populations, climate change and environmental sustainability. Boesenbergia rotunda is widely used in traditional medicine in Asia and has been shown to produce secondary metabolites with antiviral activity. For high throughput propagation and metabolite production in vitro culture is employed; embryogenic calli of B. rotunda in vitro are able to regenerate into plants but lose this ability after prolonged periods in cell suspension media. Epigenetic factors, including histone modifications and DNA methylation are likely to play crucial roles in the regulation of genes involved in totipotency and plant regeneration. These findings are also relevant to other crops within the Zingiberales. Further details will be given at www.molcyt.com ]]>
Comparative genomic analysis in Zingiberales: what can we learn from banana to enable Ensete and Boesenbergia to reach their potential? Talk for Plant and Animal Genomics XXV 25 - San Diego January 2017 Trude Schwarzacher, Jennifer A. Harikrishna and Pat Heslop-Harrison, University of Leicester and University of Malaya phh(a)molcyt.com Within the Zingiberales there are many orphan crops that are grown in Africa and Asia where recently started genomic efforts will have an impact for the future understanding and breeding of these crops. Advanced genomics and genome knowledge of the taxonomically closely related genus Musa will help identify genes and their function. We will discuss relevant recent work with Musa and results from DNA sequencing, examinations of diversity and studies of genome structure, gene expression and epigenetic control in Boesenbergia and ensete. Ensete is an important starch staple food in Ethiopia. It is harvested just as the monocarpic plant starts to flower, a few years after planting, and the stored starch extracted from the pseudo-stem and corm. A genome sequence has been published, but there is little genomics. Characterization of the diversity in the species and understanding of the differences to Musa will enable selection and breeding for crop improvement to meet the requirements of increasing populations, climate change and environmental sustainability. Boesenbergia rotunda is widely used in traditional medicine in Asia and has been shown to produce secondary metabolites with antiviral activity. For high throughput propagation and metabolite production in vitro culture is employed; embryogenic calli of B. rotunda in vitro are able to regenerate into plants but lose this ability after prolonged periods in cell suspension media. Epigenetic factors, including histone modifications and DNA methylation are likely to play crucial roles in the regulation of genes involved in totipotency and plant regeneration. These findings are also relevant to other crops within the Zingiberales. Further details will be given at www.molcyt.com ]]> Tue, 17 Jan 2017 18:43:13 GMT /slideshow/banana-ensete-and-boesenbergia-genomics-schwarzacher-heslopharrison-harikrishna/71113362 PatHeslopHarrison@slideshare.net(PatHeslopHarrison) Banana, Ensete and Boesenbergia Genomics - Schwarzacher, Heslop-Harrison, Harikrishna PatHeslopHarrison Comparative genomic analysis in Zingiberales: what can we learn from banana to enable Ensete and Boesenbergia to reach their potential? Talk for Plant and Animal Genomics XXV 25 - San Diego January 2017 Trude Schwarzacher, Jennifer A. Harikrishna and Pat Heslop-Harrison, University of Leicester and University of Malaya phh(a)molcyt.com Within the Zingiberales there are many orphan crops that are grown in Africa and Asia where recently started genomic efforts will have an impact for the future understanding and breeding of these crops. Advanced genomics and genome knowledge of the taxonomically closely related genus Musa will help identify genes and their function. We will discuss relevant recent work with Musa and results from DNA sequencing, examinations of diversity and studies of genome structure, gene expression and epigenetic control in Boesenbergia and ensete. Ensete is an important starch staple food in Ethiopia. It is harvested just as the monocarpic plant starts to flower, a few years after planting, and the stored starch extracted from the pseudo-stem and corm. A genome sequence has been published, but there is little genomics. Characterization of the diversity in the species and understanding of the differences to Musa will enable selection and breeding for crop improvement to meet the requirements of increasing populations, climate change and environmental sustainability. Boesenbergia rotunda is widely used in traditional medicine in Asia and has been shown to produce secondary metabolites with antiviral activity. For high throughput propagation and metabolite production in vitro culture is employed; embryogenic calli of B. rotunda in vitro are able to regenerate into plants but lose this ability after prolonged periods in cell suspension media. Epigenetic factors, including histone modifications and DNA methylation are likely to play crucial roles in the regulation of genes involved in totipotency and plant regeneration. These findings are also relevant to other crops within the Zingiberales. Further details will be given at www.molcyt.com <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/schwarzacherensetegenomics3-170117184313-thumbnail.jpg?width=120&height=120&fit=bounds" /> Comparative genomic analysis in Zingiberales: what can we learn from banana to enable Ensete and Boesenbergia to reach their potential? Talk for Plant and Animal Genomics XXV 25 - San Diego January 2017 Trude Schwarzacher, Jennifer A. Harikrishna and Pat Heslop-Harrison, University of Leicester and University of Malaya phh(a)molcyt.com Within the Zingiberales there are many orphan crops that are grown in Africa and Asia where recently started genomic efforts will have an impact for the future understanding and breeding of these crops. Advanced genomics and genome knowledge of the taxonomically closely related genus Musa will help identify genes and their function. We will discuss relevant recent work with Musa and results from DNA sequencing, examinations of diversity and studies of genome structure, gene expression and epigenetic control in Boesenbergia and ensete. Ensete is an important starch staple food in Ethiopia. It is harvested just as the monocarpic plant starts to flower, a few years after planting, and the stored starch extracted from the pseudo-stem and corm. A genome sequence has been published, but there is little genomics. Characterization of the diversity in the species and understanding of the differences to Musa will enable selection and breeding for crop improvement to meet the requirements of increasing populations, climate change and environmental sustainability. Boesenbergia rotunda is widely used in traditional medicine in Asia and has been shown to produce secondary metabolites with antiviral activity. For high throughput propagation and metabolite production in vitro culture is employed; embryogenic calli of B. rotunda in vitro are able to regenerate into plants but lose this ability after prolonged periods in cell suspension media. Epigenetic factors, including histone modifications and DNA methylation are likely to play crucial roles in the regulation of genes involved in totipotency and plant regeneration. These findings are also relevant to other crops within the Zingiberales. Further details will be given at www.molcyt.com

Banana, Ensete and Boesenbergia Genomics - Schwarzacher, Heslop-Harrison, Harikrishna from Pat (JS) Heslop-Harrison

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0 Domestication, polyploidy and genomics of crops #PAGXXV Heslop-Harrison /slideshow/domestication-polyploidy-and-genomics-of-crops-pagxxv-heslopharrison/71021707 heslopharrisonpagxxvdomestication-170114223646
Talk at Plant and Animal Genome PAGXXV San Diego January 2017]]>
Talk at Plant and Animal Genome PAGXXV San Diego January 2017]]> Sat, 14 Jan 2017 22:36:46 GMT /slideshow/domestication-polyploidy-and-genomics-of-crops-pagxxv-heslopharrison/71021707 PatHeslopHarrison@slideshare.net(PatHeslopHarrison) Domestication, polyploidy and genomics of crops #PAGXXV Heslop-Harrison PatHeslopHarrison Talk at Plant and Animal Genome PAGXXV San Diego January 2017 <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/heslopharrisonpagxxvdomestication-170114223646-thumbnail.jpg?width=120&height=120&fit=bounds" /> Talk at Plant and Animal Genome PAGXXV San Diego January 2017

Domestication, polyploidy and genomics of crops #PAGXXV Heslop-Harrison from Pat (JS) Heslop-Harrison

]]> 2832 8 https://cdn.slidesharecdn.com/ss_thumbnails/heslopharrisonpagxxvdomestication-170114223646-thumbnail.jpg?width=120&height=120&fit=bounds presentation Black http://activitystrea.ms/schema/1.0/post

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0 Chromosomes and molecular cytogenetics of oil palm: impact for breeding and genetics PIPOC /PatHeslopHarrison/chromosomes-and-molecular-cytogenetics-of-oil-palm-impact-for-breeding-and-genetics heslopharrisonoilpalmcytogeneticsforweb-151007074058-lva1-app6892
See also related talk Crops, Climate Change and Super-domestication Heslop-Harrison for Oil Palm Breeders symposium on Gearing Oil Palm Breeding and Agronomy for Climate Change: Keynote opening address MPOB PIPOC and PIPOC ISOPB ISOPA http://www.slideshare.net/PatHeslopHarrison/heslop-harrisoncrops-climatechangesuperdomestication Molecular cytogenetic analysis of the chromosomes of oil palm allows us to understand their evolution, genetics and segregation, genetic recombination and karyotypic stability. The cytogenetic manipulation of genomes and their chromosomes is often valuable for plant breeders to introduce and exploit new variation. Cytological landmarks such as centromeres, telomeres, heterochromatin and nucleolar organizer regions are important for the integration of physical chromosomes with the DNA sequence information. This linkage of the genetic, chromosomal and physical maps is particularly useful in a long-lived tree crop where genetic mapping requires decades of preparation and the mapping crosses may not be directly relevant to DxP commercial plantings. Repetitive DNA is often the most rapidly evolving genomic component, but is poorly understood from sequence assemblies; molecular cytogenetic studies allow its organization and variation to be studied, and the exploitation of repetitive sequences as markers and, by the amplification and mobility of transposable elements or satellite repeats, in generation of new variation. Molecular cytogenetic approaches provide tools for oil palm genomic research, comparative genomics and evolutionary studies and further facilitate understanding the inheritance of specific traits in oil palm, including DNA methylation, epigenetics, and somaclonal variation, allowing work with hybrids, haploids and polyploids. Knowledge of the structures and organization of the chromosomes of oil palm, as in many crop species, is valuable for development of new lines, making hybrids, understanding the causes of some abnormalities or infertility, and exploiting variation and biodiversity found in related species or breeding lines. Further information and slides from the talk will be on our website www.molcyt.com. ]]>
See also related talk Crops, Climate Change and Super-domestication Heslop-Harrison for Oil Palm Breeders symposium on Gearing Oil Palm Breeding and Agronomy for Climate Change: Keynote opening address MPOB PIPOC and PIPOC ISOPB ISOPA http://www.slideshare.net/PatHeslopHarrison/heslop-harrisoncrops-climatechangesuperdomestication Molecular cytogenetic analysis of the chromosomes of oil palm allows us to understand their evolution, genetics and segregation, genetic recombination and karyotypic stability. The cytogenetic manipulation of genomes and their chromosomes is often valuable for plant breeders to introduce and exploit new variation. Cytological landmarks such as centromeres, telomeres, heterochromatin and nucleolar organizer regions are important for the integration of physical chromosomes with the DNA sequence information. This linkage of the genetic, chromosomal and physical maps is particularly useful in a long-lived tree crop where genetic mapping requires decades of preparation and the mapping crosses may not be directly relevant to DxP commercial plantings. Repetitive DNA is often the most rapidly evolving genomic component, but is poorly understood from sequence assemblies; molecular cytogenetic studies allow its organization and variation to be studied, and the exploitation of repetitive sequences as markers and, by the amplification and mobility of transposable elements or satellite repeats, in generation of new variation. Molecular cytogenetic approaches provide tools for oil palm genomic research, comparative genomics and evolutionary studies and further facilitate understanding the inheritance of specific traits in oil palm, including DNA methylation, epigenetics, and somaclonal variation, allowing work with hybrids, haploids and polyploids. Knowledge of the structures and organization of the chromosomes of oil palm, as in many crop species, is valuable for development of new lines, making hybrids, understanding the causes of some abnormalities or infertility, and exploiting variation and biodiversity found in related species or breeding lines. Further information and slides from the talk will be on our website www.molcyt.com. ]]> Wed, 07 Oct 2015 07:40:58 GMT /PatHeslopHarrison/chromosomes-and-molecular-cytogenetics-of-oil-palm-impact-for-breeding-and-genetics PatHeslopHarrison@slideshare.net(PatHeslopHarrison) Chromosomes and molecular cytogenetics of oil palm: impact for breeding and genetics PIPOC PatHeslopHarrison See also related talk Crops, Climate Change and Super-domestication Heslop-Harrison for Oil Palm Breeders symposium on Gearing Oil Palm Breeding and Agronomy for Climate Change: Keynote opening address MPOB PIPOC and PIPOC ISOPB ISOPA http://www.slideshare.net/PatHeslopHarrison/heslop-harrisoncrops-climatechangesuperdomestication Molecular cytogenetic analysis of the chromosomes of oil palm allows us to understand their evolution, genetics and segregation, genetic recombination and karyotypic stability. The cytogenetic manipulation of genomes and their chromosomes is often valuable for plant breeders to introduce and exploit new variation. Cytological landmarks such as centromeres, telomeres, heterochromatin and nucleolar organizer regions are important for the integration of physical chromosomes with the DNA sequence information. This linkage of the genetic, chromosomal and physical maps is particularly useful in a long-lived tree crop where genetic mapping requires decades of preparation and the mapping crosses may not be directly relevant to DxP commercial plantings. Repetitive DNA is often the most rapidly evolving genomic component, but is poorly understood from sequence assemblies; molecular cytogenetic studies allow its organization and variation to be studied, and the exploitation of repetitive sequences as markers and, by the amplification and mobility of transposable elements or satellite repeats, in generation of new variation. Molecular cytogenetic approaches provide tools for oil palm genomic research, comparative genomics and evolutionary studies and further facilitate understanding the inheritance of specific traits in oil palm, including DNA methylation, epigenetics, and somaclonal variation, allowing work with hybrids, haploids and polyploids. Knowledge of the structures and organization of the chromosomes of oil palm, as in many crop species, is valuable for development of new lines, making hybrids, understanding the causes of some abnormalities or infertility, and exploiting variation and biodiversity found in related species or breeding lines. Further information and slides from the talk will be on our website www.molcyt.com. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/heslopharrisonoilpalmcytogeneticsforweb-151007074058-lva1-app6892-thumbnail.jpg?width=120&height=120&fit=bounds" /> See also related talk Crops, Climate Change and Super-domestication Heslop-Harrison for Oil Palm Breeders symposium on Gearing Oil Palm Breeding and Agronomy for Climate Change: Keynote opening address MPOB PIPOC and PIPOC ISOPB ISOPA http://www.slideshare.net/PatHeslopHarrison/heslop-harrisoncrops-climatechangesuperdomestication Molecular cytogenetic analysis of the chromosomes of oil palm allows us to understand their evolution, genetics and segregation, genetic recombination and karyotypic stability. The cytogenetic manipulation of genomes and their chromosomes is often valuable for plant breeders to introduce and exploit new variation. Cytological landmarks such as centromeres, telomeres, heterochromatin and nucleolar organizer regions are important for the integration of physical chromosomes with the DNA sequence information. This linkage of the genetic, chromosomal and physical maps is particularly useful in a long-lived tree crop where genetic mapping requires decades of preparation and the mapping crosses may not be directly relevant to DxP commercial plantings. Repetitive DNA is often the most rapidly evolving genomic component, but is poorly understood from sequence assemblies; molecular cytogenetic studies allow its organization and variation to be studied, and the exploitation of repetitive sequences as markers and, by the amplification and mobility of transposable elements or satellite repeats, in generation of new variation. Molecular cytogenetic approaches provide tools for oil palm genomic research, comparative genomics and evolutionary studies and further facilitate understanding the inheritance of specific traits in oil palm, including DNA methylation, epigenetics, and somaclonal variation, allowing work with hybrids, haploids and polyploids. Knowledge of the structures and organization of the chromosomes of oil palm, as in many crop species, is valuable for development of new lines, making hybrids, understanding the causes of some abnormalities or infertility, and exploiting variation and biodiversity found in related species or breeding lines. Further information and slides from the talk will be on our website www.molcyt.com.

Chromosomes and molecular cytogenetics of oil palm: impact for breeding and genetics PIPOC from Pat (JS) Heslop-Harrison

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0 Trude Schwarzacher: #ECA2015 European Cytogenetics Conference plenary talk:150 years since Mendel's laws of heredity /PatHeslopHarrison/trude-schwarzacher tsmendeltalkeca2015forweb-150706132148-lva1-app6891
Trude Schwarzacher Plenary talk at European Cytogenetics Conference, Strasbourg, July 2015, to commemorate 150 years since publication of Gregor Mendel's work on the laws of genetic inheritance in 1865. This was two decades before chromosomes were described. 2015 marks the 150th anniversary of the presentation and publication of Mendel’s seminal paper presenting his Laws of Heredity. One expects that the unexciting and uninformative title Versuche über Pflanzenhybriden (Studies of plant hybrids) in his paper was one reason it was ignored – the importance of a paper title for finding work is something we have discussed here on AoBBlog and regularly among Annals of Botany Editors! In the �ݺ�ߣshare talk, Trude Schwarzacher discussed research in Mendel’s time, when ‘blended inheritance’ was accepted, and then how Mendel came to carry out the work. Not least, he was taught by the physicist Christian Doppler at the University of Vienna, no doubt implanting the centrality of numeracy and what we now consider statistics, to understanding all phenomena, including those of biology. Trude also points out that of the seven characters Mendel worked with in pea, two are still very relevant to breeding of modern crops: the terminal flowering character, and dwarfism of the whole plant. The synthesis of the results in Mendel’s original paper, even today, is remarkable with considerable interpretation and presentation of a general model of inheritance: I do wonder how many modern referees would quibble about "unsubstantiated extensions"? Trude discusses Mendel’s interactions with another important botanist of the time, Karl Wilhelm Naegeli of Munich; in some ways, though, this was unfortunate in that firstly, it is not clear how much Naegeli understood the significance of Mendel’s genetical results and the laws of heredity, and also had the suggestion to work with the hawkweeds, genus Hieraceum, which includes many polyploids and apomicts. Hardly a model species to use to understand the principles of genetic inheritance, and no doubt disheartening for the Monk by then working in Brno! The final section of Trude’s talk puts Mendel’s work into the context of chromosomes, as might be expected in a cytogenetics conference, although cell division and chromosomes were not described until later in the 19th century – the slideshare embedded above shows some images from these early work, with more recent results from her own lab. ]]>
Trude Schwarzacher Plenary talk at European Cytogenetics Conference, Strasbourg, July 2015, to commemorate 150 years since publication of Gregor Mendel's work on the laws of genetic inheritance in 1865. This was two decades before chromosomes were described. 2015 marks the 150th anniversary of the presentation and publication of Mendel’s seminal paper presenting his Laws of Heredity. One expects that the unexciting and uninformative title Versuche über Pflanzenhybriden (Studies of plant hybrids) in his paper was one reason it was ignored – the importance of a paper title for finding work is something we have discussed here on AoBBlog and regularly among Annals of Botany Editors! In the �ݺ�ߣshare talk, Trude Schwarzacher discussed research in Mendel’s time, when ‘blended inheritance’ was accepted, and then how Mendel came to carry out the work. Not least, he was taught by the physicist Christian Doppler at the University of Vienna, no doubt implanting the centrality of numeracy and what we now consider statistics, to understanding all phenomena, including those of biology. Trude also points out that of the seven characters Mendel worked with in pea, two are still very relevant to breeding of modern crops: the terminal flowering character, and dwarfism of the whole plant. The synthesis of the results in Mendel’s original paper, even today, is remarkable with considerable interpretation and presentation of a general model of inheritance: I do wonder how many modern referees would quibble about "unsubstantiated extensions"? Trude discusses Mendel’s interactions with another important botanist of the time, Karl Wilhelm Naegeli of Munich; in some ways, though, this was unfortunate in that firstly, it is not clear how much Naegeli understood the significance of Mendel’s genetical results and the laws of heredity, and also had the suggestion to work with the hawkweeds, genus Hieraceum, which includes many polyploids and apomicts. Hardly a model species to use to understand the principles of genetic inheritance, and no doubt disheartening for the Monk by then working in Brno! The final section of Trude’s talk puts Mendel’s work into the context of chromosomes, as might be expected in a cytogenetics conference, although cell division and chromosomes were not described until later in the 19th century – the slideshare embedded above shows some images from these early work, with more recent results from her own lab. ]]> Mon, 06 Jul 2015 13:21:48 GMT /PatHeslopHarrison/trude-schwarzacher PatHeslopHarrison@slideshare.net(PatHeslopHarrison) Trude Schwarzacher: #ECA2015 European Cytogenetics Conference plenary talk:150 years since Mendel's laws of heredity PatHeslopHarrison Trude Schwarzacher Plenary talk at European Cytogenetics Conference, Strasbourg, July 2015, to commemorate 150 years since publication of Gregor Mendel's work on the laws of genetic inheritance in 1865. This was two decades before chromosomes were described. 2015 marks the 150th anniversary of the presentation and publication of Mendel’s seminal paper presenting his Laws of Heredity. One expects that the unexciting and uninformative title Versuche über Pflanzenhybriden (Studies of plant hybrids) in his paper was one reason it was ignored – the importance of a paper title for finding work is something we have discussed here on AoBBlog and regularly among Annals of Botany Editors! In the �ݺ�ߣshare talk, Trude Schwarzacher discussed research in Mendel’s time, when ‘blended inheritance’ was accepted, and then how Mendel came to carry out the work. Not least, he was taught by the physicist Christian Doppler at the University of Vienna, no doubt implanting the centrality of numeracy and what we now consider statistics, to understanding all phenomena, including those of biology. Trude also points out that of the seven characters Mendel worked with in pea, two are still very relevant to breeding of modern crops: the terminal flowering character, and dwarfism of the whole plant. The synthesis of the results in Mendel’s original paper, even today, is remarkable with considerable interpretation and presentation of a general model of inheritance: I do wonder how many modern referees would quibble about "unsubstantiated extensions"? Trude discusses Mendel’s interactions with another important botanist of the time, Karl Wilhelm Naegeli of Munich; in some ways, though, this was unfortunate in that firstly, it is not clear how much Naegeli understood the significance of Mendel’s genetical results and the laws of heredity, and also had the suggestion to work with the hawkweeds, genus Hieraceum, which includes many polyploids and apomicts. Hardly a model species to use to understand the principles of genetic inheritance, and no doubt disheartening for the Monk by then working in Brno! The final section of Trude’s talk puts Mendel’s work into the context of chromosomes, as might be expected in a cytogenetics conference, although cell division and chromosomes were not described until later in the 19th century – the slideshare embedded above shows some images from these early work, with more recent results from her own lab. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/tsmendeltalkeca2015forweb-150706132148-lva1-app6891-thumbnail.jpg?width=120&height=120&fit=bounds" /> Trude Schwarzacher Plenary talk at European Cytogenetics Conference, Strasbourg, July 2015, to commemorate 150 years since publication of Gregor Mendel's work on the laws of genetic inheritance in 1865. This was two decades before chromosomes were described. 2015 marks the 150th anniversary of the presentation and publication of Mendel’s seminal paper presenting his Laws of Heredity. One expects that the unexciting and uninformative title Versuche über Pflanzenhybriden (Studies of plant hybrids) in his paper was one reason it was ignored – the importance of a paper title for finding work is something we have discussed here on AoBBlog and regularly among Annals of Botany Editors! In the �ݺ�ߣshare talk, Trude Schwarzacher discussed research in Mendel’s time, when ‘blended inheritance’ was accepted, and then how Mendel came to carry out the work. Not least, he was taught by the physicist Christian Doppler at the University of Vienna, no doubt implanting the centrality of numeracy and what we now consider statistics, to understanding all phenomena, including those of biology. Trude also points out that of the seven characters Mendel worked with in pea, two are still very relevant to breeding of modern crops: the terminal flowering character, and dwarfism of the whole plant. The synthesis of the results in Mendel’s original paper, even today, is remarkable with considerable interpretation and presentation of a general model of inheritance: I do wonder how many modern referees would quibble about "unsubstantiated extensions"? Trude discusses Mendel’s interactions with another important botanist of the time, Karl Wilhelm Naegeli of Munich; in some ways, though, this was unfortunate in that firstly, it is not clear how much Naegeli understood the significance of Mendel’s genetical results and the laws of heredity, and also had the suggestion to work with the hawkweeds, genus Hieraceum, which includes many polyploids and apomicts. Hardly a model species to use to understand the principles of genetic inheritance, and no doubt disheartening for the Monk by then working in Brno! The final section of Trude’s talk puts Mendel’s work into the context of chromosomes, as might be expected in a cytogenetics conference, although cell division and chromosomes were not described until later in the 19th century – the slideshare embedded above shows some images from these early work, with more recent results from her own lab.

Trude Schwarzacher: #ECA2015 European Cytogenetics Conference plenary talk:150 years since Mendel's laws of heredity from Pat (JS) Heslop-Harrison

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0 Banana Transposable Elements: The hAT DNA element story PAGXXIII /slideshow/banana-transposable-elements-the-hat-dna-element-story-pagxxiii/43470028 heslopharrisonbananapag1-150113084227-conversion-gate02
W071 Transposable Elements and Their Evolution in Musa Date: Tuesday, January 13, 2015 Pat Heslop-Harrison, University of Leicester, United Kingdom Gerhard Menzel, Universität Dresden, Germany Tony Heitkam, Faisal Nouroz,Trude Schwarzacher, Thomas Schmidt Like other plant species, DNA transposable elements and retrotransposons represent a large fraction of the Musa genome. Mobile elements can be identified 1) by homology to known elements; 2) by characteristic sequence properties such are repeats and short duplications; and 3) by studying their mobility and insertions/deletions in comparisons of homologous or homoeologous chromosome sequences. We have used all three approaches in Musa and I will show results showing the nature of unselected mobile sequences in Musa accessions. Many of the active elements proved to belong to the hAT family of DNA transposons, where there has been limited information on their diversity, abundance and chromosomal localization in plants. Chromosomal in situ hybridization, in silico analysis of genomic sequences, Southern hybridization and biodiversity panels were used to show three major families of the elements in Musa, with some 70 complete autonomous elements, and abundant hAT-related MITEs (Miniature inverted tandem elements).MuhAT transposons and MuhMITEs were localized in subtelomeric, most likely gene-rich regions, of chromosomes. Variation between homologous chromosomes and transduplications of genomic sequences indicate activity of the transposons and suggest a role for the MITEs in modulation of genomic behaviour. Further details from www.molcyt.com; hAt element analysis: Chromosome Research 2015 DOI 10.1007/s10577-014-9445-5.]]>
W071 Transposable Elements and Their Evolution in Musa Date: Tuesday, January 13, 2015 Pat Heslop-Harrison, University of Leicester, United Kingdom Gerhard Menzel, Universität Dresden, Germany Tony Heitkam, Faisal Nouroz,Trude Schwarzacher, Thomas Schmidt Like other plant species, DNA transposable elements and retrotransposons represent a large fraction of the Musa genome. Mobile elements can be identified 1) by homology to known elements; 2) by characteristic sequence properties such are repeats and short duplications; and 3) by studying their mobility and insertions/deletions in comparisons of homologous or homoeologous chromosome sequences. We have used all three approaches in Musa and I will show results showing the nature of unselected mobile sequences in Musa accessions. Many of the active elements proved to belong to the hAT family of DNA transposons, where there has been limited information on their diversity, abundance and chromosomal localization in plants. Chromosomal in situ hybridization, in silico analysis of genomic sequences, Southern hybridization and biodiversity panels were used to show three major families of the elements in Musa, with some 70 complete autonomous elements, and abundant hAT-related MITEs (Miniature inverted tandem elements).MuhAT transposons and MuhMITEs were localized in subtelomeric, most likely gene-rich regions, of chromosomes. Variation between homologous chromosomes and transduplications of genomic sequences indicate activity of the transposons and suggest a role for the MITEs in modulation of genomic behaviour. Further details from www.molcyt.com; hAt element analysis: Chromosome Research 2015 DOI 10.1007/s10577-014-9445-5.]]> Tue, 13 Jan 2015 08:42:27 GMT /slideshow/banana-transposable-elements-the-hat-dna-element-story-pagxxiii/43470028 PatHeslopHarrison@slideshare.net(PatHeslopHarrison) Banana Transposable Elements: The hAT DNA element story PAGXXIII PatHeslopHarrison W071 Transposable Elements and Their Evolution in Musa Date: Tuesday, January 13, 2015 Pat Heslop-Harrison, University of Leicester, United Kingdom Gerhard Menzel, Universität Dresden, Germany Tony Heitkam, Faisal Nouroz,Trude Schwarzacher, Thomas Schmidt Like other plant species, DNA transposable elements and retrotransposons represent a large fraction of the Musa genome. Mobile elements can be identified 1) by homology to known elements; 2) by characteristic sequence properties such are repeats and short duplications; and 3) by studying their mobility and insertions/deletions in comparisons of homologous or homoeologous chromosome sequences. We have used all three approaches in Musa and I will show results showing the nature of unselected mobile sequences in Musa accessions. Many of the active elements proved to belong to the hAT family of DNA transposons, where there has been limited information on their diversity, abundance and chromosomal localization in plants. Chromosomal in situ hybridization, in silico analysis of genomic sequences, Southern hybridization and biodiversity panels were used to show three major families of the elements in Musa, with some 70 complete autonomous elements, and abundant hAT-related MITEs (Miniature inverted tandem elements).MuhAT transposons and MuhMITEs were localized in subtelomeric, most likely gene-rich regions, of chromosomes. Variation between homologous chromosomes and transduplications of genomic sequences indicate activity of the transposons and suggest a role for the MITEs in modulation of genomic behaviour. Further details from www.molcyt.com; hAt element analysis: Chromosome Research 2015 DOI 10.1007/s10577-014-9445-5. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/heslopharrisonbananapag1-150113084227-conversion-gate02-thumbnail.jpg?width=120&height=120&fit=bounds" /> W071 Transposable Elements and Their Evolution in Musa Date: Tuesday, January 13, 2015 Pat Heslop-Harrison, University of Leicester, United Kingdom Gerhard Menzel, Universität Dresden, Germany Tony Heitkam, Faisal Nouroz,Trude Schwarzacher, Thomas Schmidt Like other plant species, DNA transposable elements and retrotransposons represent a large fraction of the Musa genome. Mobile elements can be identified 1) by homology to known elements; 2) by characteristic sequence properties such are repeats and short duplications; and 3) by studying their mobility and insertions/deletions in comparisons of homologous or homoeologous chromosome sequences. We have used all three approaches in Musa and I will show results showing the nature of unselected mobile sequences in Musa accessions. Many of the active elements proved to belong to the hAT family of DNA transposons, where there has been limited information on their diversity, abundance and chromosomal localization in plants. Chromosomal in situ hybridization, in silico analysis of genomic sequences, Southern hybridization and biodiversity panels were used to show three major families of the elements in Musa, with some 70 complete autonomous elements, and abundant hAT-related MITEs (Miniature inverted tandem elements).MuhAT transposons and MuhMITEs were localized in subtelomeric, most likely gene-rich regions, of chromosomes. Variation between homologous chromosomes and transduplications of genomic sequences indicate activity of the transposons and suggest a role for the MITEs in modulation of genomic behaviour. Further details from www.molcyt.com; hAt element analysis: Chromosome Research 2015 DOI 10.1007/s10577-014-9445-5.

Banana Transposable Elements: The hAT DNA element story PAGXXIII from Pat (JS) Heslop-Harrison

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0 In situ hybridization methods and techniques course slides Pat Heslop-Harrison /slideshow/in-situ-hybridization-methods-and-techniques-course-slides-pat-heslopharrison/41514242 schwarzacherheslopharrisonmolecularcytogeneticschromosomesinsitu1-141113093114-conversion-gate02
Methods and techniques for chromosomal in situ hybridization and molecular cytogenetics. Fixations, chromosomes preparation, mostly using plant chromosomes, hybridiziation mixtures, stringency calculations and fluorescent microscopy.Trude Schwarzacher and Pat Heslop-Harrison]]>
Methods and techniques for chromosomal in situ hybridization and molecular cytogenetics. Fixations, chromosomes preparation, mostly using plant chromosomes, hybridiziation mixtures, stringency calculations and fluorescent microscopy.Trude Schwarzacher and Pat Heslop-Harrison]]> Thu, 13 Nov 2014 09:31:14 GMT /slideshow/in-situ-hybridization-methods-and-techniques-course-slides-pat-heslopharrison/41514242 PatHeslopHarrison@slideshare.net(PatHeslopHarrison) In situ hybridization methods and techniques course slides Pat Heslop-Harrison PatHeslopHarrison Methods and techniques for chromosomal in situ hybridization and molecular cytogenetics. Fixations, chromosomes preparation, mostly using plant chromosomes, hybridiziation mixtures, stringency calculations and fluorescent microscopy.Trude Schwarzacher and Pat Heslop-Harrison <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/schwarzacherheslopharrisonmolecularcytogeneticschromosomesinsitu1-141113093114-conversion-gate02-thumbnail.jpg?width=120&height=120&fit=bounds" /> Methods and techniques for chromosomal in situ hybridization and molecular cytogenetics. Fixations, chromosomes preparation, mostly using plant chromosomes, hybridiziation mixtures, stringency calculations and fluorescent microscopy.Trude Schwarzacher and Pat Heslop-Harrison

In situ hybridization methods and techniques course slides Pat Heslop-Harrison from Pat (JS) Heslop-Harrison

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0 In situ hybridization results and examples for course Trude Schwarzacher /PatHeslopHarrison/in-situ-hybridization-results-and-examples-for-course-trude-schwarzacher schwarzacherinsituhybridizationresults-141113090444-conversion-gate01
Examples of use of in situ hybridization in plants for phylogeny and plant breeding]]>
Examples of use of in situ hybridization in plants for phylogeny and plant breeding]]> Thu, 13 Nov 2014 09:04:44 GMT /PatHeslopHarrison/in-situ-hybridization-results-and-examples-for-course-trude-schwarzacher PatHeslopHarrison@slideshare.net(PatHeslopHarrison) In situ hybridization results and examples for course Trude Schwarzacher PatHeslopHarrison Examples of use of in situ hybridization in plants for phylogeny and plant breeding <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/schwarzacherinsituhybridizationresults-141113090444-conversion-gate01-thumbnail.jpg?width=120&height=120&fit=bounds" /> Examples of use of in situ hybridization in plants for phylogeny and plant breeding

In situ hybridization results and examples for course Trude Schwarzacher from Pat (JS) Heslop-Harrison

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0 Plant Molecular Cytogenetics - Postgenomics, Chromosomes and Domestication /slideshow/plant-molecular-cytogenetics-postgenomics-chromosomes-and-domestication/39408246 heslopharrisonkatovicechromosomescropssuperdomestication-140923005656-phpapp01
Plant Molecular Cytogenetics www.molcyt.com Conference Katowice, Poland September 2014 Chromosomes, in situ hybridization, genome organization and evolution]]>
Plant Molecular Cytogenetics www.molcyt.com Conference Katowice, Poland September 2014 Chromosomes, in situ hybridization, genome organization and evolution]]> Tue, 23 Sep 2014 00:56:56 GMT /slideshow/plant-molecular-cytogenetics-postgenomics-chromosomes-and-domestication/39408246 PatHeslopHarrison@slideshare.net(PatHeslopHarrison) Plant Molecular Cytogenetics - Postgenomics, Chromosomes and Domestication PatHeslopHarrison Plant Molecular Cytogenetics www.molcyt.com Conference Katowice, Poland September 2014 Chromosomes, in situ hybridization, genome organization and evolution <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/heslopharrisonkatovicechromosomescropssuperdomestication-140923005656-phpapp01-thumbnail.jpg?width=120&height=120&fit=bounds" /> Plant Molecular Cytogenetics www.molcyt.com Conference Katowice, Poland September 2014 Chromosomes, in situ hybridization, genome organization and evolution

Plant Molecular Cytogenetics - Postgenomics, Chromosomes and Domestication from Pat (JS) Heslop-Harrison

]]> 6484 8 https://cdn.slidesharecdn.com/ss_thumbnails/heslopharrisonkatovicechromosomescropssuperdomestication-140923005656-phpapp01-thumbnail.jpg?width=120&height=120&fit=bounds presentation 000000 http://activitystrea.ms/schema/1.0/post

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0 https://cdn.slidesharecdn.com/profile-photo-PatHeslopHarrison-48x48.jpg?cb=1730760562 I focus on generation, application and dissemination of scientific knowledge to improve and conserve the environment, improve livelihoods and sustain agriculture and biodiversity, through experimental research work, providing advanced training/teaching, advising on research programmes and work on policy applications. www.molcyt.com https://cdn.slidesharecdn.com/ss_thumbnails/rdnaibcheslopharrison-240723092637-e1400eea-thumbnail.jpg?width=320&height=320&fit=bounds slideshow/ribosonal-dna-organization-and-evolution-at-large-scale-ibc2024/270430910 Ribosomal DNA rDNA rRN... https://cdn.slidesharecdn.com/ss_thumbnails/saffroncrocusgenomicsthessalonikionlinemay2024talkonline-240516153709-29f6197a-thumbnail.jpg?width=320&height=320&fit=bounds slideshow/saffroncrocusgenomicsthessalonikionlinemay2024talkonline-pptx/268621633 SaffronCrocusGenomicsT... https://cdn.slidesharecdn.com/ss_thumbnails/hymohanramheslopharrisondelhisept2023-231003071705-8e581b97-thumbnail.jpg?width=320&height=320&fit=bounds PatHeslopHarrison/molecular-cytogenetics-hym-mohan-ram-heslopharrison-delhi Molecular Cytogenetics...