Article
An importin β protein negatively regulates MicroRNA activity in Arabidopsis.
The Plant cell - 1 Oct 2011
Wang Wei, Ye Ruiqiang, Xin Ying, Fang Xiaofeng, Li Chunlian, Shi Huiqing, Zhou Xueping, Qi Yijun
Abstract excerpt
As key components in the eukaryotic gene regulatory network, microRNAs (miRNAs) themselves are regulated at the level of both metabolism and activity. To identify factors that modulate miRNA activity, we used an Arabidopsis thaliana transgenic line expressing an artificial miRNA that causes trichome clustering and performed a screen for mutants with compromised miRNA activity (cma mutants) or enhanced miRNA...
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