Mutation of YL Results in a Yellow Leaf with Chloroplast RNA Editing Defect in Soybean

文献类型： 外文期刊

第一作者： Zhu, Xiaowei

作者： Zhu, Xiaowei;Pan, Yi;Liu, Zhi;Liu, Yucheng;Zhong, Deyi;Duan, Zongbiao;Tian, Zhixi;Zhu, Baoge;Zhou, Guoan;Zhu, Xiaowei;Zhong, Deyi;Tian, Zhixi

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关键词： soybean; yellow leafmutant; photosynthesis; chloroplast RNA editing

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.923； 五年影响因子：6.132 ）

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年卷期： 2020 年 21 卷 12 期

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收录情况： SCI

摘要： RNA editing plays a key role in organelle gene expression. Little is known about how RNA editing factors influence soybean plant development. Here, we report the isolation and characterization of a soybeanyl(yellow leaf) mutant. Theylplants showed decreased chlorophyll accumulation, lower PS II activity, an impaired net photosynthesis rate, and an altered chloroplast ultrastructure. Fine mapping ofYLuncovered a point mutation inGlyma.20G187000, which encodes a chloroplast-localized protein homologous toArabidopsis thaliana(Arabidopsis) ORRM1.YLis mainly expressed in trifoliate leaves, and its deficiency affects the editing of multiple chloroplast RNA sites, leading to inferior photosynthesis in soybean. Taken together, these results demonstrate the importance of the soybean YL protein in chloroplast RNA editing and photosynthesis.

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