Article
The Rice brassinosteroid-deficient dwarf2 mutant, defective in the rice homolog of Arabidopsis DIMINUTO/DWARF1, is rescued by the endogenously accumulated alternative bioactive brassinosteroid, dolichosterone.
The Plant cell - 1 Aug 2005
Hong Zhi, Ueguchi-Tanaka Miyako, Fujioka Shozo, Takatsuto Suguru, Yoshida Shigeo, Hasegawa Yasuko, Ashikari Motoyuki, Kitano Hidemi, Matsuoka Makoto
Abstract excerpt
We have identified a rice (Oryza sativa) brassinosteroid (BR)-deficient mutant, BR-deficient dwarf2 (brd2). The brd2 locus contains a single base deletion in the coding region of Dim/dwf1, a homolog of Arabidopsis thaliana DIMINUTO/DWARF1 (DIM/DWF1). Introduction of the wild-type Dim/dwf1 gene into brd2 restored the normal phenotype. Overproduction and repression of Dim/dwf1 resulted in contrasting phenotypes,...
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