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- Title
Development of Genetic and Genomic Research Resources for Brachypodium distachyon, a New Model System for Grass Crop Research.
- Authors
Garvin, David F.; Yong-Qiang Gu; Hasterok, Robert; Hazen, Samuel P.; Jenkins, Glyn; Mockler, Todd C.; Mur, Luis A. J.; Vogel, John P.
- Abstract
Grass crop genomics research frequently is hindered by large genome sizes and polyploidy. While rice is an attractive system for grass genomics due to its small genome size and available gename sequence, it is not particularly well-suited as a robust model system far all grass crops. The wild grass 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 grass crop species whose genome has been sequenced. Thus, by virtue both of its biological attributes and its evolutionary history, Brachypodium has an important gap in gross crop genomics research. A surge in interep in Brochypodium 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 Brochypodium with the genome sequence will encourage further adoption of this species as a bona fide model plant system.
- Subjects
CROPS; SORGHUM; RICE; CULTIVATED plants; GENOMICS; GRASSES
- Publication
Crop Science, 2008, pS69
- ISSN
0011-183X
- Publication type
Article
- DOI
10.2135/cropsci2007.06.0332tpg