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

被引：53

作者：

Ren, Deyong ^{[1
]}

Rao, Yuchun ^{[1
,2
]}

Wu, Liwen ^{[1
]}

Xu, Qiankun ^{[1
]}

Li, Zizhuang ^{[1
,3
]}

Yu, Haiping ^{[1
]}

Zhang, Yu ^{[1
]}

Leng, Yujia ^{[1
]}

Hu, Jiang ^{[1
]}

Zhu, Li ^{[1
]}

Gao, Zhenyu ^{[1
]}

Dong, Guojun ^{[1
]}

Zhang, Guangheng ^{[1
]}

Guo, Longbiao ^{[1
]}

Zeng, Dali ^{[1
]}

Qian, Qian ^{[1
]}

机构：

[1] China Natl Rice Res Inst, State Key Lab Rice Biol, Hangzhou 310006, Zhejiang, Peoples R China

[2] Zhejiang Normal Univ, Coll Chem & Life Sci, Jinhua 321004, Peoples R China

[3] Hangzhou Normal Univ, Coll Life & Environm Sci, Hangzhou 310006, Zhejiang, Peoples R China

来源：

JOURNAL OF INTEGRATIVE PLANT BIOLOGY | 2016年 / 58卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Plant height; hull; lodicule; grain yield; AFD1; rice (Oryza sativa); MUTANT NARROW SHEATH; ORYZA-SATIVA L; ORGAN IDENTITY; MERISTEM FATE; PALEA DEVELOPMENT; DROOPING-LEAF; GENE-FUNCTION; DWARF MUTANT; BOX PROTEIN; BIOSYNTHESIS;

D O I：

10.1111/jipb.12441

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

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.

引用

页码：529 / 539

页数：11

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