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

Mayer, Klaus; Rogers, Jane; Doležel, Jaroslav; Pozniak, Curtis; Eversole, Kellye; Feuillet, Catherine; Gill, Bikram; Friebe, Bernd; Lukaszewski, Adam J.; Sourdille, Pierre; Endo, Takashi R.; Kubaláková, Marie; Číhalíková, Jarmila; Dubská, Zdeňka; Vrána, Jan; Šperková, Romana; Šimková, Hana; Febrer, Melanie; Clissold, Leah; McLay, Kirsten; Singh, Kuldeep; Chhuneja, Parveen; Singh, Nagendra Kumar; Khurana, Jitendra P.; Akhunov, Eduard; Choulet, Frédéric; Alberti, Adriana; Barbe, Valérie; Wincker, Patrick; Kanamori, Hiroyuki; Kobayashi, Fuminori; Itoh, Takeshi; Matsumoto, Takashi; Sakai, Hiroaki; Tanaka, Tsuyoshi; Wu, Jianzhong; Ogihara, Yasunari; Handa, Hirokazu; Maclachlan, P. Ron; Sharpe, Andrew; Klassen, Darrin; Edwards, David; Batley, Jacqueline; Olsen, Odd-Arne; Sandve, Simen R.; Lien, Sigbjørn; Steuernagel, Burkhard; Wulff, Brande B. H.; Cáccamo, Mario; Ayling, Sarah; Ramírez-González, Ricardo H.; Clavijo, Bernardo; Wright, Jonathan; Pfeifer, Matthias; Spannagl, M.; Martis, Mihaela; Mascher, Martin; Chapman, Jarrod; Poland, Jesse; Scholz, Uwe; Barry, Kerrie; Waugh, Robbie; Rokhsar, Daniel S.; Muehlbauer, Gary J.; Stein, Nils; Gundlach, Heidrun; Zytnicki, Matthias; Jamilloux, Véronique; Quesneville, Hadi; Wicker, Thomas; Faccioli, Primetta; Colaiacovo, Moreno; Stanca, A. M.; Budak, Hikmet; Cattivelli, Luigi; Glover, Natasha; Pingault, Lise; Paux, Etienne; Sharma, Sapna; Appels, R.; Bellgard, M.; Chapman, Brett; Nußbaumer, Thomas; Bader, Kai Christian; Rimbert, Hélène; Wang, Shichen; Knox, R. E.; Kilian, Andrzej; Alaux, Michaël; Alfama, Françoise; Couderc, L.J.; Guilhot, Nicolas; Viseux, Claire; Loaec, Mikaël; Keller, Beat; Praud, Sébastien

doi:10.1126/science.1251788

articleScienceJul 17, 2014GREEN OA

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

KMKlaus Mayer JRJane Rogers JDJaroslav Doležel CPCurtis Pozniak KEKellye Eversole

Czech Academy of Sciences · University of Saskatchewan · +21 more institutions

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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…

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Topics & keywords

Topics

Keywords

Biology
Polyploid
Genome
Gene
Ploidy
Genetics
Chromosome
Common wheat

UN Sustainable Development Goals

Zero hunger

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