Agrobacterium-Mediated Transformation of Brachypodium distachyon
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Last Update: 2020-11-15
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Source: Internet
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Author: User
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Brachypodium distachyon
is an attractive genomics and biological model system for grass research. Recently, the complete annotated genome sequence of the diploid line Bd21 has been released. Genetic transformation technologies are critical for the discovery and validation of gene function in
Brachypodium
. Here, we describe an efficient procedure enabling the
Agrobacterium
-mediated transformation of a range of diploid and polyploid genotypes of
Brachypodium
. The procedure relies on the transformation of compact embryogenic calli derived from immature embryos using either chemical selection alone or a combination of chemical and visual screening of transformed tissues and plants. Transformation efficiencies of around 20% can routinely be achieved using this protocol. In the context of the BrachyTAG programme (BrachyTAG.org), this procedure made possible the mass production of Bd21T-
DNA
mutant plant lines.
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