Journal
CROP SCIENCE
Volume 48, Issue -, Pages S69-S84Publisher
WILEY
DOI: 10.2135/cropsci2007.06.0332tpg
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Gross crop genomics research frequently is hindered by large genome sizes and polyploidy. While rice is an attractive system for gross genomics due to its small genome size and available genome sequence, it is not particularly well-suited as a robust model system for all gross crops. The wild gross species Brachypodium distachyon (L.) P. Beauv. (Brachypodium) has recently gained favor as a new model system for grass crop genomics research because it possesses a suite of biological traits desired in a model system. Further, it is more closely related to the large and diverse group of cool season grass crops than is either rice (Oryza sativa L.) or sorghum [Sorghum bicolor (L.) Moench.], the second gross crop species whose genome has been sequenced. Thus, by virtue both of its biological attributes and its evolutionary history, Brachypodium fills an important gap in gross crop genomics research. A surge in interest in Brachypodium has led to rapid and significant advances in the acquisition of knowledge and development of resources needed to exploit this species as a model system, including. the impending completion of a draft nuclear genome sequence of Brachypodium. Integration of diverse genetic and genomic resources developed or under development for Brachypodium with the genome sequence will encourage further adoption of this species as a bono fide model plant system.
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