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

• DOI: 10.1126/science.1251788
• Publication Date: 2014-07-17T14:23:31Z
• Authors: Klaus F. X. Mayer; Jane Rogers; Jaroslav Doležel; Curtis Pozniak; Kellye Eversole; Catherine Feuillet; Bikram Gill; Bernd Friebe; Adam J. Lukaszewski; Pierre Sourdille; Takashi R. Endo; Marie Kubaláková; Jarmila Číhalíková; Zdeňka Dubská; Jan Vrána; Romana Šperková; Hana Šimková; Melanie Febrer; Leah Clissold; Kirsten McLay; Kuldeep Singh; Parveen Chhuneja; Nagendra K. Singh; Jitendra Khurana; Eduard Akhunov; Frédéric Choulet; Adriana Alberti; Valérie Barbe; Patrick Wincker; Hiroyuki Kanamori; Fuminori Kobayashi; Takeshi Itoh; Takashi Matsumoto; Hiroaki Sakai; Tsuyoshi Tanaka; Jianzhong Wu; Yasunari Ogihara; Hirokazu Handa; P. Ron Maclachlan; Andrew Sharpe; Darrin Klassen; David Edwards; Jacqueline Batley; Odd-Arne Olsen; Simen Rød Sandve; Sigbjørn Lien; Burkhard Steuernagel; Brande Wulff; Mario Caccamo; Sarah Ayling; Ricardo H. Ramire...; Bernardo J. Clavijo; Jonathan Wright; Matthias Pfeifer; Manuel Spannagl; Mihaela M. Martis; Martin Mascher; Jarrod Chapman; Jesse A. Poland; Uwe Scholz; Kerrie Barry; Robbie Waugh; Daniel S. Rokhsar; Gary J. Muehlbauer; Nils Stein; Heidrun Gundlach; Matthias Zytnicki; Véronique Jamilloux; Hadi Quesneville; Thomas Wicker; Primetta Faccioli; Moreno Colaiacovo; Antonio Michele S...; Hikmet Budak; Luigi Cattivelli; Natasha Glover; Lise Pingault; Etienne Paux; Sapna Sharma; Rudi Appels; Matthew Bellgard; Brett Chapman; Thomas Nussbaumer; Kai Christian Bader; Hélène Rimbert; Shichen Wang; Ron Knox; Andrzej Kilian; Michael Alaux; Françoise Alfama; Loïc Couderc; Nicolas Guilhot; Claire Viseux; Mikaël Loaec; Beat Keller; Sebastien Praud
• Keywords: Polyploid; Common wheat

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 homeologous chromosomes and subgenomes. Comparative analysis subgenomes extant diploid tetraploid relatives showed that high similarity structural conservation are retained, with limited loss, after polyploidization. However, genomes there was evidence dynamic gain, duplication since divergence lineages. A degree transcriptional autonomy no global dominance found for These insights into biology a polyploid crop provide springboard faster isolation, rapid genetic marker development, precise breeding to meet needs increasing food demand worldwide.