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Genetic and molecular regulation by DELLA proteins of trichome development in Arabidopsis. Gan Y, Yu H, Peng J, Broun P. Plant Physiol. 2007 Nov;145(3):1031-42. ...... that repression of trichome regulatory genes is rapid, but involves an indirect, rather than a direct, molecular mechanism, which requires de novo protein synthesis. DELLA activity also influences postinitiation events and we show that GAI is a major repressor of trichome branching, a role in which it is antagonized by RGL1 and RGL2. Finally, we report that, in contrast to most other effects, the repression by GA applications of flower trichome initiation is not dependent on ...... |