DELAYED HEADING DATE1 interacts with OsHAP5C/D, delays flowering time and enhances yield in rice

文献类型： 外文期刊

第一作者： Zhang, Huan

作者： Zhang, Huan;Wang, Chunming;Chen, Liping;Cai, Maohong;Wang, Jiachang;Chai, Juntao;Zhou, Liang;Jiang, Ling;Wan, Jianmin;Zhu, Shanshan;Liu, Tianzhen;Cheng, Zhijun;Zhang, Xin;Sheng, Peike;Li, Chaonan;Zhang, Zhe;Lei, Cailin;Guo, Xiuping;Wang, Jiulin;Wang, Jie;Wu, Chuanyin;Wan, Jianmin

作者机构：

关键词： rice; heading date; GRAS; Ehd1; OsHAP5C/D; yield

期刊名称：PLANT BIOTECHNOLOGY JOURNAL （ 影响因子：9.803； 五年影响因子：9.555 ）

ISSN： 1467-7644

年卷期： 2019 年 17 卷 2 期

页码：

收录情况： SCI

摘要： Heading date is an important agronomic trait affecting crop yield. The GRAS protein family is a plant-specific super family extensively involved in plant growth and signal transduction. However, GRAS proteins are rarely reported have a role in regulating rice heading date. Here, we report a GRAS protein DHD1 (Delayed Heading Date1) delays heading and enhances yield in rice. Biochemical assays showed DHD1 physically interacts with OsHAP5C/D both in vitro and in vivo. DHD1 and OsHAP5C/D located in the nucleus and showed that rhythmic expression. Both DHD1 and OsHAP5C/D affect heading date by regulating expression of Ehd1. We propose that DHD1 interacts with OsHAP5C/D to delay heading date by inhibiting expression of Ehd1.

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