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Blé tendre.. © INRA, FORT Francis

Bread wheat genome: a whole genome assembly available online on an INRA platform

After more than 10 years of research, the International Wheat Genome Sequencing Consortium (IWGSC), of which INRA is a member, made an announcement last January about the production of a whole genome assembly for bread wheat. Today, this new resource is available online for the scientific community at https://wheat-urgi.versailles.inra.fr/Seq-Repository/Assemblies

Updated on 06/08/2017
Published on 07/21/2016
Keywords: GENOME - wheat

Bread wheat (Triticum aestivum L.) is the most widely grown crop on earth and a staple food for one third of humans. Cultivated varieties have a complex genome comprised of 21 chromosomes, polyploid that is combining three subgenomes, the giant size of which represents five times that of the human genome.

After more than 10 years of research, the International Wheat Genome Sequencing Consortium (IWGSC) announced last January the production of a whole genome assembly for bread wheat based on Illumina sequencing and assembled with the NRGene's DeNovoMAGICTM software. INRA scientists from the Genetics, Diversity and Ecophysiology of Cereals Unit (GDEC in Clermont-Ferrand, INRA-Blaise-Pascal University), are contributing to this project, especially through the quality assessment of the assembly. After six months of additional analyses, IWGSC researchers are making this novel resource, a high quality assembled sequence for each of the 21 wheat chromosomes, available for the scientific community. Data are available online on the INRA Genomics-Informatics research unit's platform (URGI in Versailles-Grignon): https://wheat-urgi.versailles.inra.fr/Seq-Repository/Assemblies1.

These data are made available before publication of the study as is usually the case in the scientific community in accordance with the Toronto Agreement stating common rules for prepublication data sharing. Breeders and scientists around the world can now start exploiting the data for wheat improvement and fundamental research in genomics. IWGSC continues the effort on obtaining knowledge from these data including the description of every chromosome, gene prediction, gene family and repeated element analyses, and comparisons with related plants.

1. Access does require registration and agreeing to respect the right of the IWGSC to publish first.

Scientific contact(s):

  • Frédéric Choulet (+33 (0)4 73 62 43 38) Genetics, Diversity and Ecophysiology of Cereals (INRA, University Blaise Pascal)
  • Michael Alaux (+33 (0)1 30 83 34 23) Research Unit in Genomics-Info (INRA)
Press Relations:
INRA News Office (+33 (0)1 42 75 91 86)
Associated Division(s):
Plant Biology and Breeding
Associated Centre(s):
Versailles-Grignon, Auvergne-Rhône-Alpes

About the IWGSC:

The IWGSC is an international collaborative consortium of more than 1000 members from 57 countries of which INRA is an active member. It was launched in 2005 at the initiative of wheat growers, breeders, and scientists. Its main goal is the production and public release of a high quality reference sequence of the bread wheat genome, a key resource for fundamental research that will allow breeders to develop improved varieties.

More information: www.wheatgenome.org