Abstract

Brachypodium distachyon (Brachypodium) is a small annual grass with biological, physical and genomic attributes (e.g. rapid cycling, small stature, inbreeding, small genome, diploid accessions) suitable for use as a modern model system. In pursuit of this goal, researchers have made rapid progress in developing genomic resources that will transform Brachypodium into a powerful model system including: facile Agrobacterium-mediated transformation methods, BAC libraries, physical maps, genetic maps, and germplasm resources. In addition, a preliminary 4x draft of the entire genome has been released, and completion of the final 8x assembly is anticipated in 2009. This chapter provides an overview of the advantages of Brachypodium as a model system and surveys the use and potential applications of this system to aid wheat, barley and Lolium research.

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