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A chromosome-based draft sequence of the hexaploid bread wheat (Triticum aestivum) genome

Mayer, Klaus F. X. and Rogers, Jane and Dolezel, Jaroslav and Pozniak, Curtis and Eversole, Kellye and Feuillet, Catherine and Gill, Bikram and Friebe, Bernd and Lukaszewski, Adam J. and Sourdille, Pierre and Endo, Takashi R. and Dolezel, Jaroslav and Kubalakova, Marie and Cihalikova, Jarmila and Dubska, Zdenka and Vrana, Jan and Sperkova, Romana and Simkova, Hana and Rogers, Jane and Febrer, Melanie and Clissold, Leah and McLay, Kirsten and Singh, Kuldeep and Chhuneja, Parveen and Singh, Nagendra K. and Khurana, Jitendra and Akhunov, Eduard and Choulet, Frederic and Sourdille, Pierre and Feuillet, Catherine and Alberti, Adriana and Barbe, Valerie and Wincker, Patrick and Kanamori, Hiroyuki and Kobayashi, Fuminori and Itoh, Takeshi and Matsumoto, Takashi and Sakai, Hiroaki and Tanaka, Tsuyoshi and Wu, Jianzhong and Ogihara, Yasunari and Handa, Hirokazu and Pozniak, Curtis and Maclachlan, P. Ron and Sharpe, Andrew and Klassen, Darrin and Edwards, David and Batley, Jacqueline and Olsen, Odd-Arne and Sandve, Simen Rod and Lien, Sigbjorn and Steuernagel, Burkhard and Wulff, Brande and Caccamo, Mario and Ayling, Sarah and Ramirez-Gonzalez, Ricardo H. and Clavijo, Bernardo J. and Steuernagel, Burkhard and Wright, Jonathan and Pfeifer, Matthias and Spannagl, Manuel and Mayer, Klaus F. X. and Martis, Mihaela M. and Akhunov, Eduard and Choulet, Frederic and Mayer, Klaus F. X. and Mascher, Martin and Chapman, Jarrod and Poland, Jesse A. and Scholz, Uwe and Barry, Kerrie and Waugh, Robbie and Rokhsar, Daniel S. and Muehlbauer, Gary J. and Stein, Nils and Gundlach, Heidrun and Zytnicki, Matthias and Jamilloux, Veronique and Quesneville, Hadi and Wicker, Thomas and Mayer, Klaus F. X. and Faccioli, Primetta and Colaiacovo, Moreno and Pfeifer, Matthias and Stanca, Antonio Michele and Budak, Hikmet and Cattivelli, Luigi and Glover, Natasha and Martis, Mihaela M. and Choulet, Frederic and Feuillet, Catherine and Mayer, Klaus F. X. and Pfeifer, Matthias and Pingault, Lise and Mayer, Klaus F. X. and Paux, Etienne and Spannagl, Manuel and Sharma, Sapna and Mayer, Klaus F. X. and Pozniak, Curtis and Appels, Rudi and Bellgard, Matthew and Chapman, Brett and Pfeifer, Matthias and Pfeifer, Matthias and Sandve, Simen Rod and Nussbaumer, Thomas and Bader, Kai Christian and Choulet, Frederic and Feuillet, Catherine and Mayer, Klaus F. X. and Akhunov, Eduard and Paux, Etienne and Rimbert, Helene and Wang, Shichen and Poland, Jesse A. and Knox, Ron and Kilian, Andrzej and Pozniak, Curtis and Alaux, Michael and Alfama, Francoise and Couderc, Loic and Jamilloux, Veronique and Guilhot, Nicolas and Viseux, Claire and Loaec, Mikael and Quesneville, Hadi and Rogers, Jane and Dolezel, Jaroslav and Eversole, Kellye and Feuillet, Catherine and Keller, Beat and Mayer, Klaus F. X. and Olsen, Odd-Arne and Praud, Sebastien (2014) A chromosome-based draft sequence of the hexaploid bread wheat (Triticum aestivum) genome. Science (SI), 345 (6194). ISSN 0036-8075 (Print) 1095-9203 (Online)

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Official URL: http://dx.doi.org/10.1126/science.1251788

Abstract

An ordered draft sequence of the 17-gigabase hexaploid bread wheat (Triticum aestivum) genome has been produced by sequencing isolated chromosome arms. We have annotated 124,201 gene loci distributed nearly evenly across the homeologous chromosomes and subgenomes. Comparative gene analysis of wheat subgenomes and extant diploid and tetraploid wheat relatives showed that high sequence similarity and structural conservation are retained, with limited gene loss, after polyploidization. However, across the genomes there was evidence of dynamic gene gain, loss, and duplication since the divergence of the wheat lineages. A high degree of transcriptional autonomy and no global dominance was found for the subgenomes. These insights into the genome biology of a polyploid crop provide a springboard for faster gene isolation, rapid genetic marker development, and precise breeding to meet the needs of increasing food demand worldwide.

Item Type:Article
Additional Information:Article Number: 1251788
Subjects:UNSPECIFIED
ID Code:25541
Deposited By:Hikmet Budak
Deposited On:22 Dec 2014 14:21
Last Modified:22 Dec 2014 14:21

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