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New genome sequence will aid study of important food, fuel crops
Date:2/10/2010

at better resist drought or disease.

"Beyond that, however, there may also be opportunities to improve food crops," Mockler said. "This is the first sequenced plant genome that is closely related to temperate cereals such as wheat and oats, which are important food crops around the world."

The "cool season" cereal, forage and turf grasses, of which Brachypodium is a member, are part of the Pooideae subfamily, and the last of three important subfamilies of grasses to have one of their genomes sequenced. The other important grass groups that, combined, provide the bulk of human nutrition are Ehrhartoideae, which includes rice; and Panicoideae, with includes corn, sorghum, sugarcane and other grass crops. With more than 3,000 species, the Pooideae is the largest grass subfamily. Some early work has already been done, now that the Brachypodium genome has been sequenced, to compare the traits of these three major grass subfamilies.

Brachypodium seeds have been shared with more than 300 laboratories in 25 countries, and the genome information is now freely available to any researcher in the world.

The similarities in gene content and gene family structure between Brachypodium, rice and sorghum supports the value of Brachypodium as a functional genomics model for all grasses," the researchers wrote in their study. "The Brachypodium genome sequence analysis reported here is therefore an important advance towards securing sustainable supplies of food, feed and fuel from new generations of grass crops."


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Contact: Todd Mockler
tmockler@cgrb.oregonstate.edu
541-737-5207
Oregon State University
Source:Eurekalert

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