Article
DRB4-dependent trans-acting siRNAs regulate lemma polarity development in rice.
The New phytologist - 1 Jun 2026
You Jing, Mu Jianyan, Ning Bingyu, Chen Yan, Mo Yunyan, Zheng Zhongyi, Wang Yuxin, Mo Qian, Wang Shuo, Zhang Yi, Xiao Wenwen, Sang Xianchun, Ling Yinghua, Li Yunfeng, He Guanghua, Zhang Ting
Abstract excerpt
As the outermost floral organ of the rice spikelet, the normal morphological development of the glume (lemma and palea) is fundamental to grain morphology, quality, and yield formation. However, the regulatory mechanisms governing rice lemma development remain incompletely understood. Here, we identified a rice mutant, drb4, which is defective in lemma polarity development and displays abnormal phenotypes...
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