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ary divergence of Brassica and Arabidop-sis, such as aberrant maturation of the Bras-

Summary: ary divergence of Brassica and Arabidop-
sis, such as aberrant maturation of the Bras-
sica SRK protein in A. thaliana stigmas or
its inability to interact productively with
Arabidopsis-derived downstream targets.
The large number of genetically well-
characterized S haplotypes that are available
in Brassica species has been critical for iden-
tification of the SRK and SCR SI recognition
proteins. However, the relatively laborious
transformation methods and rudimentary
state of genome studies in Brassica make
further studies of the SI response difficult.
The availability of A. thaliana strains that
express SI provides new opportunities for
exploiting the tools of this tractable model
plant for structure-function studies of SRK
and SCR as well as for the genetic and mo-
lecular dissection of the SRK-mediated signal
transduction pathway.


Source: Abouheif, Ehab - Department of Biology, McGill University


Collections: Environmental Sciences and Ecology