Modulation of rice grain shape and appearance by the GS10-encoded long coiled-coil protein

文献类型： 外文期刊

第一作者： Luo, Yanmin

作者： Luo, Yanmin;Chen, Yuyu;Xue, Pao;Wang, Beifang;Kang, Yiwei;Zhang, Yue;Chen, Daibo;Hong, Yongbo;Wu, Weixun;Liu, Qunen;Zhan, Xiaodeng;Cheng, Shihua;Zhang, Yingxin;Cao, Liyong;Chen, Yuyu;Kang, Yiwei;Lin, Yongjun;Chen, Yuyu;Kang, Yiwei;Lin, Yongjun;Luo, Yanmin;Chen, Yuyu;Cao, Liyong;Hong, Yongbo;Cao, Liyong;Luo, Yanmin;Chen, Daibo;Zhan, Xiaodeng;Cao, Liyong

作者机构：

关键词： GS10; Grain size; Grain weight; Appearance quality; Microfilaments

期刊名称：CROP JOURNAL （ 影响因子：5.6； 五年影响因子：6.0 ）

ISSN： 2095-5421

年卷期： 2025 年 13 卷 1 期

页码：

收录情况： SCI

摘要： Rice grain size is a primary characteristic essential for artificial domestication and breeding, governed by grain length, width, and thickness. In this study, we cloned Grain Size 10 (GS10), a novel gene via map- based cloning. Biochemical, molecular, and genetic studies were performed to elucidate the GS10 involved grain size mechanism in rice. Mutant of GS10lead to reduced grain size due to alterations in cell expansion. Additionally, GS10 is responsible for the formation of notched-belly grains, especially in smaller grain varieties possessing loss-function mutations. Overexpression of GS10 in Nipponbare results in increasing grain length, grain weight and improve the appearance quality of rice. GS10 encodes conserved protein with uncharacterized function. Furthermore, GS10 regulates the grain size by interacting OsBRICK1, a subunit of the WAVE complex that governs actin nucleation and affects the assembly of microfilaments in rice. Together, our study demonstrates that, GS10 positively regulates the grain length and grain weight, which is beneficial for further improvements in yield characteristics. (c) 2024 Crop Science Society of China and Institute of Crop Science, CAAS. Production and hosting by Elsevier B.V. on behalf of KeAi Communications Co., Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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