The pleiotropic ABNORMAL FLOWER AND DWARF1 affects plant height, floral development and grain yield in rice

文献类型: 外文期刊

第一作者: Ren, Deyong

作者: Ren, Deyong;Rao, Yuchun;Wu, Liwen;Xu, Qiankun;Li, Zizhuang;Yu, Haiping;Zhang, Yu;Leng, Yujia;Hu, Jiang;Zhu, Li;Gao, Zhenyu;Dong, Guojun;Zhang, Guangheng;Guo, Longbiao;Zeng, Dali;Qian, Qian;Rao, Yuchun;Li, Zizhuang

作者机构:

关键词: Plant height;hull;lodicule;grain yield;AFD1;rice (Oryza sativa)

期刊名称:JOURNAL OF INTEGRATIVE PLANT BIOLOGY ( 影响因子:7.061; 五年影响因子:6.002 )

ISSN: 1672-9072

年卷期: 2016 年 58 卷 6 期

页码:

收录情况: SCI

摘要: Moderate plant height and successful establishment of reproductive organs play pivotal roles in rice grain production. The molecular mechanism that controls the two aspects remains unclear in rice. In the present study, we characterized a rice gene, ABNORMAL FLOWER AND DWARF1 (AFD1) that determined plant height, floral development and grain yield. The afd1 mutant showed variable defects including the dwarfism, long panicle, low seed setting and reduced grain yield. In addition, abnormal floral organs were also observed in the afd1 mutant including slender and thick hulls, and hull-like lodicules. AFD1 encoded a DUF640 domain protein and was expressed in all tested tissues and organs. Subcellular localization showed AFD1-green fluorescent fusion protein (GFP) was localized in the nucleus. Meantime, our results suggested that AFD1 regulated the expression of cell division and expansion related genes.

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