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  • 1
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    The Sorghum bicolor genome and the diversification of grasses (2009)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2009-02-04
    Description: Sorghum, an African grass related to sugar cane and maize, is grown for food, feed, fibre and fuel. We present an initial analysis of the approximately 730-megabase Sorghum bicolor (L.) Moench genome, placing approximately 98% of genes in their chromosomal context using whole-genome shotgun sequence validated by genetic, physical and syntenic information. Genetic recombination is largely confined to about one-third of the sorghum genome with gene order and density similar to those of rice. Retrotransposon accumulation in recombinationally recalcitrant heterochromatin explains the approximately 75% larger genome size of sorghum compared with rice. Although gene and repetitive DNA distributions have been preserved since palaeopolyploidization approximately 70 million years ago, most duplicated gene sets lost one member before the sorghum-rice divergence. Concerted evolution makes one duplicated chromosomal segment appear to be only a few million years old. About 24% of genes are grass-specific and 7% are sorghum-specific. Recent gene and microRNA duplications may contribute to sorghum's drought tolerance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Paterson, Andrew H -- Bowers, John E -- Bruggmann, Remy -- Dubchak, Inna -- Grimwood, Jane -- Gundlach, Heidrun -- Haberer, Georg -- Hellsten, Uffe -- Mitros, Therese -- Poliakov, Alexander -- Schmutz, Jeremy -- Spannagl, Manuel -- Tang, Haibao -- Wang, Xiyin -- Wicker, Thomas -- Bharti, Arvind K -- Chapman, Jarrod -- Feltus, F Alex -- Gowik, Udo -- Grigoriev, Igor V -- Lyons, Eric -- Maher, Christopher A -- Martis, Mihaela -- Narechania, Apurva -- Otillar, Robert P -- Penning, Bryan W -- Salamov, Asaf A -- Wang, Yu -- Zhang, Lifang -- Carpita, Nicholas C -- Freeling, Michael -- Gingle, Alan R -- Hash, C Thomas -- Keller, Beat -- Klein, Patricia -- Kresovich, Stephen -- McCann, Maureen C -- Ming, Ray -- Peterson, Daniel G -- Mehboob-ur-Rahman -- Ware, Doreen -- Westhoff, Peter -- Mayer, Klaus F X -- Messing, Joachim -- Rokhsar, Daniel S -- England -- Nature. 2009 Jan 29;457(7229):551-6. doi: 10.1038/nature07723.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Plant Genome Mapping Laboratory, University of Georgia, Athens, Georgia 30602, USA. paterson@uga.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19189423" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/genetics ; Chromosomes, Plant/genetics ; *Evolution, Molecular ; Gene Duplication ; Genes, Plant ; Genome, Plant/*genetics ; Oryza/genetics ; Poaceae/*genetics ; Populus/genetics ; Recombination, Genetic/genetics ; Sequence Alignment ; Sequence Analysis, DNA ; Sequence Deletion/genetics ; Sorghum/*genetics ; Zea mays/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 2
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    Green evolution and dynamic adaptations revealed by genomes of the marine picoeukaryotes Micromonas (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-04-11
    Description: Picoeukaryotes are a taxonomically diverse group of organisms less than 2 micrometers in diameter. Photosynthetic marine picoeukaryotes in the genus Micromonas thrive in ecosystems ranging from tropical to polar and could serve as sentinel organisms for biogeochemical fluxes of modern oceans during climate change. These broadly distributed primary producers belong to an anciently diverged sister clade to land plants. Although Micromonas isolates have high 18S ribosomal RNA gene identity, we found that genomes from two isolates shared only 90% of their predicted genes. Their independent evolutionary paths were emphasized by distinct riboswitch arrangements as well as the discovery of intronic repeat elements in one isolate, and in metagenomic data, but not in other genomes. Divergence appears to have been facilitated by selection and acquisition processes that actively shape the repertoire of genes that are mutually exclusive between the two isolates differently than the core genes. Analyses of the Micromonas genomes offer valuable insights into ecological differentiation and the dynamic nature of early plant evolution.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Worden, Alexandra Z -- Lee, Jae-Hyeok -- Mock, Thomas -- Rouze, Pierre -- Simmons, Melinda P -- Aerts, Andrea L -- Allen, Andrew E -- Cuvelier, Marie L -- Derelle, Evelyne -- Everett, Meredith V -- Foulon, Elodie -- Grimwood, Jane -- Gundlach, Heidrun -- Henrissat, Bernard -- Napoli, Carolyn -- McDonald, Sarah M -- Parker, Micaela S -- Rombauts, Stephane -- Salamov, Aasf -- Von Dassow, Peter -- Badger, Jonathan H -- Coutinho, Pedro M -- Demir, Elif -- Dubchak, Inna -- Gentemann, Chelle -- Eikrem, Wenche -- Gready, Jill E -- John, Uwe -- Lanier, William -- Lindquist, Erika A -- Lucas, Susan -- Mayer, Klaus F X -- Moreau, Herve -- Not, Fabrice -- Otillar, Robert -- Panaud, Olivier -- Pangilinan, Jasmyn -- Paulsen, Ian -- Piegu, Benoit -- Poliakov, Aaron -- Robbens, Steven -- Schmutz, Jeremy -- Toulza, Eve -- Wyss, Tania -- Zelensky, Alexander -- Zhou, Kemin -- Armbrust, E Virginia -- Bhattacharya, Debashish -- Goodenough, Ursula W -- Van de Peer, Yves -- Grigoriev, Igor V -- New York, N.Y. -- Science. 2009 Apr 10;324(5924):268-72. doi: 10.1126/science.1167222.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Monterey Bay Aquarium Research Institute, Moss Landing, CA 95039 USA. azworden@mbari.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19359590" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; *Biological Evolution ; Chlorophyta/classification/cytology/*genetics/physiology ; DNA Transposable Elements ; Ecosystem ; Gene Expression Regulation ; Genes ; Genetic Variation ; *Genome ; Introns ; Meiosis/genetics ; Molecular Sequence Data ; Oceans and Seas ; Photosynthesis/genetics ; Phylogeny ; Phytoplankton/classification/genetics ; Plants/*genetics ; RNA, Untranslated ; Repetitive Sequences, Nucleic Acid ; Sequence Analysis, DNA ; Transcription Factors/genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Ancient hybridizations among the ancestral genomes of bread wheat (2014)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2014-07-19
    Description: The allohexaploid bread wheat genome consists of three closely related subgenomes (A, B, and D), but a clear understanding of their phylogenetic history has been lacking. We used genome assemblies of bread wheat and five diploid relatives to analyze genome-wide samples of gene trees, as well as to estimate evolutionary relatedness and divergence times. We show that the A and B genomes diverged from a common ancestor ~7 million years ago and that these genomes gave rise to the D genome through homoploid hybrid speciation 1 to 2 million years later. Our findings imply that the present-day bread wheat genome is a product of multiple rounds of hybrid speciation (homoploid and polyploid) and lay the foundation for a new framework for understanding the wheat genome as a multilevel phylogenetic mosaic.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marcussen, Thomas -- Sandve, Simen R -- Heier, Lise -- Spannagl, Manuel -- Pfeifer, Matthias -- International Wheat Genome Sequencing Consortium -- Jakobsen, Kjetill S -- Wulff, Brande B H -- Steuernagel, Burkhard -- Mayer, Klaus F X -- Olsen, Odd-Arne -- New York, N.Y. -- Science. 2014 Jul 18;345(6194):1250092. doi: 10.1126/science.1250092.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Sciences, Norwegian University of Life Sciences, 1432 As, Norway. ; Department of Plant Sciences, Norwegian University of Life Sciences, 1432 As, Norway. simen.sandve@nmbu.no. ; Stromsveien 78 B, 0663 Oslo, Norway. ; Plant Genome and Systems Biology, Helmholtz Center Munich, Ingolstadter Landstrasse 1, 85764 Neuherberg, Germany. ; Centre for Ecological and Evolutionary Synthesis, Department of Biosciences, University of Oslo, 0316 Oslo, Norway. ; The Sainsbury Laboratory, Norwich Research Park, Norwich NR4 7UH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25035499" target="_blank"〉PubMed〈/a〉
    Keywords: *Bread ; *Evolution, Molecular ; Genes, Plant ; *Genome, Plant ; *Hybridization, Genetic ; Phylogeny ; Polyploidy ; Triticum/classification/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
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    Genome interplay in the grain transcriptome of hexaploid bread wheat (2014)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2014-07-19
    Description: Allohexaploid bread wheat (Triticum aestivum L.) provides approximately 20% of calories consumed by humans. Lack of genome sequence for the three homeologous and highly similar bread wheat genomes (A, B, and D) has impeded expression analysis of the grain transcriptome. We used previously unknown genome information to analyze the cell type-specific expression of homeologous genes in the developing wheat grain and identified distinct co-expression clusters reflecting the spatiotemporal progression during endosperm development. We observed no global but cell type- and stage-dependent genome dominance, organization of the wheat genome into transcriptionally active chromosomal regions, and asymmetric expression in gene families related to baking quality. Our findings give insight into the transcriptional dynamics and genome interplay among individual grain cell types in a polyploid cereal genome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pfeifer, Matthias -- Kugler, Karl G -- Sandve, Simen R -- Zhan, Bujie -- Rudi, Heidi -- Hvidsten, Torgeir R -- International Wheat Genome Sequencing Consortium -- Mayer, Klaus F X -- Olsen, Odd-Arne -- New York, N.Y. -- Science. 2014 Jul 18;345(6194):1250091. doi: 10.1126/science.1250091.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Plant Genome and Systems Biology, Helmholtz Center Munich, 85764 Neuherberg, Germany. ; Department of Plant Sciences/Centre for Integrative Genetics, The Norwegian University of Life Sciences (NMBU), 1432 Aas, Norway. ; Department of Chemistry, Biotechnology and Food Science, NMBU, 1432 Aas, Norway. ; Department of Plant Sciences/Centre for Integrative Genetics, The Norwegian University of Life Sciences (NMBU), 1432 Aas, Norway. odd-arne.olsen@nmbu.no.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25035498" target="_blank"〉PubMed〈/a〉
    Keywords: *Bread ; Edible Grain/genetics ; Endosperm/genetics ; Gene Dosage ; Gene Expression Regulation, Plant ; *Genome, Plant ; Plant Proteins/genetics ; *Polyploidy ; Transcriptome ; Triticum/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 5
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    The Medicago genome provides insight into the evolution of rhizobial symbioses (2011)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2011-11-18
    Description: Legumes (Fabaceae or Leguminosae) are unique among cultivated plants for their ability to carry out endosymbiotic nitrogen fixation with rhizobial bacteria, a process that takes place in a specialized structure known as the nodule. Legumes belong to one of the two main groups of eurosids, the Fabidae, which includes most species capable of endosymbiotic nitrogen fixation. Legumes comprise several evolutionary lineages derived from a common ancestor 60 million years ago (Myr ago). Papilionoids are the largest clade, dating nearly to the origin of legumes and containing most cultivated species. Medicago truncatula is a long-established model for the study of legume biology. Here we describe the draft sequence of the M. truncatula euchromatin based on a recently completed BAC assembly supplemented with Illumina shotgun sequence, together capturing approximately 94% of all M. truncatula genes. A whole-genome duplication (WGD) approximately 58 Myr ago had a major role in shaping the M. truncatula genome and thereby contributed to the evolution of endosymbiotic nitrogen fixation. Subsequent to the WGD, the M. truncatula genome experienced higher levels of rearrangement than two other sequenced legumes, Glycine max and Lotus japonicus. M. truncatula is a close relative of alfalfa (Medicago sativa), a widely cultivated crop with limited genomics tools and complex autotetraploid genetics. As such, the M. truncatula genome sequence provides significant opportunities to expand alfalfa's genomic toolbox.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3272368/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3272368/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Young, Nevin D -- Debelle, Frederic -- Oldroyd, Giles E D -- Geurts, Rene -- Cannon, Steven B -- Udvardi, Michael K -- Benedito, Vagner A -- Mayer, Klaus F X -- Gouzy, Jerome -- Schoof, Heiko -- Van de Peer, Yves -- Proost, Sebastian -- Cook, Douglas R -- Meyers, Blake C -- Spannagl, Manuel -- Cheung, Foo -- De Mita, Stephane -- Krishnakumar, Vivek -- Gundlach, Heidrun -- Zhou, Shiguo -- Mudge, Joann -- Bharti, Arvind K -- Murray, Jeremy D -- Naoumkina, Marina A -- Rosen, Benjamin -- Silverstein, Kevin A T -- Tang, Haibao -- Rombauts, Stephane -- Zhao, Patrick X -- Zhou, Peng -- Barbe, Valerie -- Bardou, Philippe -- Bechner, Michael -- Bellec, Arnaud -- Berger, Anne -- Berges, Helene -- Bidwell, Shelby -- Bisseling, Ton -- Choisne, Nathalie -- Couloux, Arnaud -- Denny, Roxanne -- Deshpande, Shweta -- Dai, Xinbin -- Doyle, Jeff J -- Dudez, Anne-Marie -- Farmer, Andrew D -- Fouteau, Stephanie -- Franken, Carolien -- Gibelin, Chrystel -- Gish, John -- Goldstein, Steven -- Gonzalez, Alvaro J -- Green, Pamela J -- Hallab, Asis -- Hartog, Marijke -- Hua, Axin -- Humphray, Sean J -- Jeong, Dong-Hoon -- Jing, Yi -- Jocker, Anika -- Kenton, Steve M -- Kim, Dong-Jin -- Klee, Kathrin -- Lai, Hongshing -- Lang, Chunting -- Lin, Shaoping -- Macmil, Simone L -- Magdelenat, Ghislaine -- Matthews, Lucy -- McCorrison, Jamison -- Monaghan, Erin L -- Mun, Jeong-Hwan -- Najar, Fares Z -- Nicholson, Christine -- Noirot, Celine -- O'Bleness, Majesta -- Paule, Charles R -- Poulain, Julie -- Prion, Florent -- Qin, Baifang -- Qu, Chunmei -- Retzel, Ernest F -- Riddle, Claire -- Sallet, Erika -- Samain, Sylvie -- Samson, Nicolas -- Sanders, Iryna -- Saurat, Olivier -- Scarpelli, Claude -- Schiex, Thomas -- Segurens, Beatrice -- Severin, Andrew J -- Sherrier, D Janine -- Shi, Ruihua -- Sims, Sarah -- Singer, Susan R -- Sinharoy, Senjuti -- Sterck, Lieven -- Viollet, Agnes -- Wang, Bing-Bing -- Wang, Keqin -- Wang, Mingyi -- Wang, Xiaohong -- Warfsmann, Jens -- Weissenbach, Jean -- White, Doug D -- White, Jim D -- Wiley, Graham B -- Wincker, Patrick -- Xing, Yanbo -- Yang, Limei -- Yao, Ziyun -- Ying, Fu -- Zhai, Jixian -- Zhou, Liping -- Zuber, Antoine -- Denarie, Jean -- Dixon, Richard A -- May, Gregory D -- Schwartz, David C -- Rogers, Jane -- Quetier, Francis -- Town, Christopher D -- Roe, Bruce A -- BB/G023832/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BBS/B/11524/Biotechnology and Biological Sciences Research Council/United Kingdom -- England -- Nature. 2011 Nov 16;480(7378):520-4. doi: 10.1038/nature10625.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Pathology, University of Minnesota, St Paul, Minnesota 55108, USA. neviny@umn.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22089132" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; *Genome, Plant ; Medicago truncatula/*genetics/*microbiology ; Molecular Sequence Data ; Nitrogen Fixation/genetics ; Rhizobium/*physiology ; Soybeans/genetics ; *Symbiosis ; Synteny ; Vitis/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 6
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    Repeated polyploidization of Gossypium genomes and the evolution of spinnable cotton fibres (2012)
    Nature Publishing Group (NPG)
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    Publication Date: 2012-12-22
    Description: Polyploidy often confers emergent properties, such as the higher fibre productivity and quality of tetraploid cottons than diploid cottons bred for the same environments. Here we show that an abrupt five- to sixfold ploidy increase approximately 60 million years (Myr) ago, and allopolyploidy reuniting divergent Gossypium genomes approximately 1-2 Myr ago, conferred about 30-36-fold duplication of ancestral angiosperm (flowering plant) genes in elite cottons (Gossypium hirsutum and Gossypium barbadense), genetic complexity equalled only by Brassica among sequenced angiosperms. Nascent fibre evolution, before allopolyploidy, is elucidated by comparison of spinnable-fibred Gossypium herbaceum A and non-spinnable Gossypium longicalyx F genomes to one another and the outgroup D genome of non-spinnable Gossypium raimondii. The sequence of a G. hirsutum A(t)D(t) (in which 't' indicates tetraploid) cultivar reveals many non-reciprocal DNA exchanges between subgenomes that may have contributed to phenotypic innovation and/or other emergent properties such as ecological adaptation by polyploids. Most DNA-level novelty in G. hirsutum recombines alleles from the D-genome progenitor native to its New World habitat and the Old World A-genome progenitor in which spinnable fibre evolved. Coordinated expression changes in proximal groups of functionally distinct genes, including a nuclear mitochondrial DNA block, may account for clusters of cotton-fibre quantitative trait loci affecting diverse traits. Opportunities abound for dissecting emergent properties of other polyploids, particularly angiosperms, by comparison to diploid progenitors and outgroups.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Paterson, Andrew H -- Wendel, Jonathan F -- Gundlach, Heidrun -- Guo, Hui -- Jenkins, Jerry -- Jin, Dianchuan -- Llewellyn, Danny -- Showmaker, Kurtis C -- Shu, Shengqiang -- Udall, Joshua -- Yoo, Mi-jeong -- Byers, Robert -- Chen, Wei -- Doron-Faigenboim, Adi -- Duke, Mary V -- Gong, Lei -- Grimwood, Jane -- Grover, Corrinne -- Grupp, Kara -- Hu, Guanjing -- Lee, Tae-ho -- Li, Jingping -- Lin, Lifeng -- Liu, Tao -- Marler, Barry S -- Page, Justin T -- Roberts, Alison W -- Romanel, Elisson -- Sanders, William S -- Szadkowski, Emmanuel -- Tan, Xu -- Tang, Haibao -- Xu, Chunming -- Wang, Jinpeng -- Wang, Zining -- Zhang, Dong -- Zhang, Lan -- Ashrafi, Hamid -- Bedon, Frank -- Bowers, John E -- Brubaker, Curt L -- Chee, Peng W -- Das, Sayan -- Gingle, Alan R -- Haigler, Candace H -- Harker, David -- Hoffmann, Lucia V -- Hovav, Ran -- Jones, Donald C -- Lemke, Cornelia -- Mansoor, Shahid -- ur Rahman, Mehboob -- Rainville, Lisa N -- Rambani, Aditi -- Reddy, Umesh K -- Rong, Jun-kang -- Saranga, Yehoshua -- Scheffler, Brian E -- Scheffler, Jodi A -- Stelly, David M -- Triplett, Barbara A -- Van Deynze, Allen -- Vaslin, Maite F S -- Waghmare, Vijay N -- Walford, Sally A -- Wright, Robert J -- Zaki, Essam A -- Zhang, Tianzhen -- Dennis, Elizabeth S -- Mayer, Klaus F X -- Peterson, Daniel G -- Rokhsar, Daniel S -- Wang, Xiyin -- Schmutz, Jeremy -- England -- Nature. 2012 Dec 20;492(7429):423-7. doi: 10.1038/nature11798.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Plant Genome Mapping Laboratory, University of Georgia, Athens, Georgia 30602, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23257886" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; *Biological Evolution ; Cacao/genetics ; Chromosomes, Plant/genetics ; *Cotton Fiber ; Diploidy ; Gene Duplication/genetics ; Genes, Plant/genetics ; Genome, Plant/*genetics ; Gossypium/classification/*genetics ; Molecular Sequence Annotation ; Phylogeny ; *Polyploidy ; Vitis/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 7
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    Aegilops tauschii draft genome sequence reveals a gene repertoire for wheat adaptation (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-03-29
    Description: About 8,000 years ago in the Fertile Crescent, a spontaneous hybridization of the wild diploid grass Aegilops tauschii (2n = 14; DD) with the cultivated tetraploid wheat Triticum turgidum (2n = 4x = 28; AABB) resulted in hexaploid wheat (T. aestivum; 2n = 6x = 42; AABBDD). Wheat has since become a primary staple crop worldwide as a result of its enhanced adaptability to a wide range of climates and improved grain quality for the production of baker's flour. Here we describe sequencing the Ae. tauschii genome and obtaining a roughly 90-fold depth of short reads from libraries with various insert sizes, to gain a better understanding of this genetically complex plant. The assembled scaffolds represented 83.4% of the genome, of which 65.9% comprised transposable elements. We generated comprehensive RNA-Seq data and used it to identify 43,150 protein-coding genes, of which 30,697 (71.1%) were uniquely anchored to chromosomes with an integrated high-density genetic map. Whole-genome analysis revealed gene family expansion in Ae. tauschii of agronomically relevant gene families that were associated with disease resistance, abiotic stress tolerance and grain quality. This draft genome sequence provides insight into the environmental adaptation of bread wheat and can aid in defining the large and complicated genomes of wheat species.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jia, Jizeng -- Zhao, Shancen -- Kong, Xiuying -- Li, Yingrui -- Zhao, Guangyao -- He, Weiming -- Appels, Rudi -- Pfeifer, Matthias -- Tao, Yong -- Zhang, Xueyong -- Jing, Ruilian -- Zhang, Chi -- Ma, Youzhi -- Gao, Lifeng -- Gao, Chuan -- Spannagl, Manuel -- Mayer, Klaus F X -- Li, Dong -- Pan, Shengkai -- Zheng, Fengya -- Hu, Qun -- Xia, Xianchun -- Li, Jianwen -- Liang, Qinsi -- Chen, Jie -- Wicker, Thomas -- Gou, Caiyun -- Kuang, Hanhui -- He, Genyun -- Luo, Yadan -- Keller, Beat -- Xia, Qiuju -- Lu, Peng -- Wang, Junyi -- Zou, Hongfeng -- Zhang, Rongzhi -- Xu, Junyang -- Gao, Jinlong -- Middleton, Christopher -- Quan, Zhiwu -- Liu, Guangming -- Wang, Jian -- International Wheat Genome Sequencing Consortium -- Yang, Huanming -- Liu, Xu -- He, Zhonghu -- Mao, Long -- Wang, Jun -- England -- Nature. 2013 Apr 4;496(7443):91-5. doi: 10.1038/nature12028. Epub 2013 Mar 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23535592" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological/*genetics ; Brachypodium/genetics ; Chromosome Mapping ; Chromosomes, Plant/genetics ; DNA Transposable Elements/genetics ; Disease Resistance/genetics ; Genes, Plant/genetics ; Genome, Plant/*genetics ; Hordeum/genetics ; Molecular Sequence Data ; Plant Diseases ; Poaceae/*genetics ; Polyploidy ; Sequence Analysis, RNA ; Transcription Factors/genetics ; Triticum/*genetics/physiology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 8
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    A physical, genetic and functional sequence assembly of the barley genome (2012)
    Nature Publishing Group (NPG)
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    Publication Date: 2012-10-19
    Description: Barley (Hordeum vulgare L.) is among the world's earliest domesticated and most important crop plants. It is diploid with a large haploid genome of 5.1 gigabases (Gb). Here we present an integrated and ordered physical, genetic and functional sequence resource that describes the barley gene-space in a structured whole-genome context. We developed a physical map of 4.98 Gb, with more than 3.90 Gb anchored to a high-resolution genetic map. Projecting a deep whole-genome shotgun assembly, complementary DNA and deep RNA sequence data onto this framework supports 79,379 transcript clusters, including 26,159 'high-confidence' genes with homology support from other plant genomes. Abundant alternative splicing, premature termination codons and novel transcriptionally active regions suggest that post-transcriptional processing forms an important regulatory layer. Survey sequences from diverse accessions reveal a landscape of extensive single-nucleotide variation. Our data provide a platform for both genome-assisted research and enabling contemporary crop improvement.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉International Barley Genome Sequencing Consortium -- Mayer, Klaus F X -- Waugh, Robbie -- Brown, John W S -- Schulman, Alan -- Langridge, Peter -- Platzer, Matthias -- Fincher, Geoffrey B -- Muehlbauer, Gary J -- Sato, Kazuhiro -- Close, Timothy J -- Wise, Roger P -- Stein, Nils -- BB/100663X/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- England -- Nature. 2012 Nov 29;491(7426):711-6. doi: 10.1038/nature11543. Epub 2012 Oct 17.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23075845" target="_blank"〉PubMed〈/a〉
    Keywords: Alternative Splicing/genetics ; Codon, Nonsense/genetics ; Crops, Agricultural/genetics ; Evolution, Molecular ; Gene Expression Regulation, Plant ; Genes, Plant/genetics ; Genome, Plant/*genetics ; Genomics ; Hordeum/classification/*genetics ; Molecular Sequence Annotation ; Physical Chromosome Mapping ; Polymorphism, Single Nucleotide/genetics ; Repetitive Sequences, Nucleic Acid/genetics ; *Sequence Analysis, DNA ; Transcriptome/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 9
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    Analysis of the bread wheat genome using whole-genome shotgun sequencing (2012)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2012-11-30
    Description: Bread wheat (Triticum aestivum) is a globally important crop, accounting for 20 per cent of the calories consumed by humans. Major efforts are underway worldwide to increase wheat production by extending genetic diversity and analysing key traits, and genomic resources can accelerate progress. But so far the very large size and polyploid complexity of the bread wheat genome have been substantial barriers to genome analysis. Here we report the sequencing of its large, 17-gigabase-pair, hexaploid genome using 454 pyrosequencing, and comparison of this with the sequences of diploid ancestral and progenitor genomes. We identified between 94,000 and 96,000 genes, and assigned two-thirds to the three component genomes (A, B and D) of hexaploid wheat. High-resolution synteny maps identified many small disruptions to conserved gene order. We show that the hexaploid genome is highly dynamic, with significant loss of gene family members on polyploidization and domestication, and an abundance of gene fragments. Several classes of genes involved in energy harvesting, metabolism and growth are among expanded gene families that could be associated with crop productivity. Our analyses, coupled with the identification of extensive genetic variation, provide a resource for accelerating gene discovery and improving this major crop.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3510651/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3510651/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brenchley, Rachel -- Spannagl, Manuel -- Pfeifer, Matthias -- Barker, Gary L A -- D'Amore, Rosalinda -- Allen, Alexandra M -- McKenzie, Neil -- Kramer, Melissa -- Kerhornou, Arnaud -- Bolser, Dan -- Kay, Suzanne -- Waite, Darren -- Trick, Martin -- Bancroft, Ian -- Gu, Yong -- Huo, Naxin -- Luo, Ming-Cheng -- Sehgal, Sunish -- Gill, Bikram -- Kianian, Sharyar -- Anderson, Olin -- Kersey, Paul -- Dvorak, Jan -- McCombie, W Richard -- Hall, Anthony -- Mayer, Klaus F X -- Edwards, Keith J -- Bevan, Michael W -- Hall, Neil -- B/J004588/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/E004725/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/G012865/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/G013004/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/G013985/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/G024650/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/H022333/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- G0900753/Medical Research Council/United Kingdom -- G0900753(91100)/Medical Research Council/United Kingdom -- England -- Nature. 2012 Nov 29;491(7426):705-10. doi: 10.1038/nature11650.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Genome Research, University of Liverpool, Liverpool L69 7ZB, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23192148" target="_blank"〉PubMed〈/a〉
    Keywords: Brachypodium/genetics ; *Bread ; Chromosomes, Plant/genetics ; Crops, Agricultural/genetics ; DNA, Complementary/genetics ; DNA, Plant/genetics ; Evolution, Molecular ; Genes, Plant/genetics ; Genome, Plant/*genetics ; Genomics ; Multigene Family/genetics ; Oryza/genetics ; Polymorphism, Single Nucleotide/genetics ; Polyploidy ; Pseudogenes/genetics ; Sequence Alignment ; Sequence Analysis, DNA ; Triticum/classification/*genetics ; Zea mays/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 10
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    Slicing the wheat genome. Introduction (2014)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2014-07-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Eversole, Kellye -- Feuillet, Catherine -- Mayer, Klaus F X -- Rogers, Jane -- New York, N.Y. -- Science. 2014 Jul 18;345(6194):285-7. doi: 10.1126/science.1257983.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉International Wheat Genome Sequencing Consortium, 5207 Wyoming Road, Bethesda, MD 20816, USA. ; International Wheat Genome Sequencing Consortium, 5207 Wyoming Road, Bethesda, MD 20816, USA. Bayer CropScience, Innovation Center, 3500 Paramount Parkway, Morrisville, NC 27560, USA. ; Plant Genome and Systems Biology, Helmholtz Zentrum Munich, Ingolstadter Landstrasse 1, 85764 Neuherberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25035484" target="_blank"〉PubMed〈/a〉
    Keywords: Bread ; Breeding ; Chromosomes, Plant/*genetics ; *Genome, Plant ; *Physical Chromosome Mapping ; Sequence Analysis, DNA ; Triticum/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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