Article
Interaction of the pentatricopeptide-repeat protein DELAYED GREENING 1 with sigma factor SIG6 in the regulation of chloroplast gene expression in Arabidopsis cotyledons.
The Plant journal : for cell and molecular biology - 1 Oct 2010
Chi Wei, Mao Juan, Li Qiannan, Ji Daili, Zou Meijuan, Lu Congming, Zhang Lixin
Abstract excerpt
The pentatricopeptide-repeat (PPR) protein DELAYED GREENING 1 (DG1) has been shown to be involved in the regulation of early chloroplast development and chloroplast gene expression in Arabidopsis. To gain insight into the mode of DG1 action, we used a yeast two-hybrid screening approach and identified a partner, SIG6, which is a chloroplast sigma factor responsible for the transcription of plastid-encoded RNA...
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