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Natural Variation in the Promoter of GSE5 Contributes to Grain Size Diversity in Rice
Duan, Penggen; Xu, Jinsong; Zeng, Dali1; Zhang, Baolan; Geng, Mufan2; Zhang, Guozheng3; Huang, Ke3; Huang, Luojiang3; Xu, Ran; Ge, Song2; Qian, Qian1; Li, Yunhai
2017
发表期刊MOLECULAR PLANT
ISSN1674-2052
卷号10期号:5页码:685-694
摘要The utilization of natural genetic variation greatly contributes to improvement of important agronomic traits in crops. Understanding the genetic basis for natural variation of grain size can help breeders develop high-yield rice varieties. In this study, we identify a previously unrecognized gene, named GSE5, in the qSW5/ GW5 locus controlling rice grain size by combining the genome-wide association study with functional analyses. GSE5 encodes a plasma membrane-associated protein with IQ domains, which interacts with the rice calmodulin protein, OsCaM1-1. We found that loss of GSE5 function caused wide and heavy grains, while overexpression of GSE5 resulted in narrow grains. We showed that GSE5 regulates grain size predominantly by influencing cell proliferation in spikelet hulls. Three major haplotypes of GSE5 (GSE5, GSE5(DEL1+ IN1), and GSE5(DEL2)) in cultivated rice were identified based on the deletion/insertion type in its promoter region. We demonstrated that a 950-bp deletion (DEL1) in indica varieties carrying the GSE5 DEL1+ IN1 haplotype and a 1212-bp deletion (DEL2) in japonica varieties carrying the GSE5 DEL2 haplotype associated with decreased expression of GSE5, resulting in wide grains. Further analyses indicate that wild rice accessions contain all three haplotypes of GSE5, suggesting that the GSE5 haplotypes present in cultivated rice are likely to have originated from different wild rice accessions during rice domestication. Taken together, our results indicate that the previously unrecognized GSE5 gene in the qSW5/GW5 locus, which is widely utilized by rice breeders, controls grain size, and reveal that natural variation in the promoter region of GSE5 contributes to grain size diversity in rice.
关键词rice natural variation GSE5 grain size cell proliferation
学科领域Environmental Sciences & Ecology ; Evolutionary Biology
DOI10.1002/ece3.3051
收录类别SCI
语种英语
WOS关键词GENOME-WIDE ASSOCIATION ; E3 UBIQUITIN LIGASE ; ORYZA-SATIVA ; ARABIDOPSIS-THALIANA ; AGRONOMIC TRAITS ; RARE ALLELE ; ORGAN SIZE ; MAJOR QTL ; YIELD ; WEIGHT
WOS记录号WOS:000404645400021
出版者CELL PRESS
文献子类Article
出版地CAMBRIDGE
EISSN1752-9867
资助机构Ministry of Science and Technology of ChinaMinistry of Science and Technology, China [2013CBA01401, 2016YFD0100402, 2016YFD0100501] ; Chinese Academy of SciencesChinese Academy of Sciences [XDA08020108] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [91535203, 31425004] ; Ministry of Agriculture of ChinaMinistry of Agriculture, China [2014ZX08009-003]
作者邮箱yhli@genetics.ac.cn
作品OA属性gold, Green Published
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/22216
专题系统与进化植物学国家重点实验室
作者单位1.Chinese Acad Sci, Inst Genet & Dev Biol, CAS Ctr Excellence Mol Plant Biol, State Key Lab Plant Cell & Chromosome Engn, Beijing 100101, Peoples R China
2.China Natl Rice Res Inst, State Key Lab Rice Biol, Hangzhou 310006, Zhejiang, Peoples R China
3.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
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Duan, Penggen,Xu, Jinsong,Zeng, Dali,et al. Natural Variation in the Promoter of GSE5 Contributes to Grain Size Diversity in Rice[J]. MOLECULAR PLANT,2017,10(5):685-694.
APA Duan, Penggen.,Xu, Jinsong.,Zeng, Dali.,Zhang, Baolan.,Geng, Mufan.,...&Li, Yunhai.(2017).Natural Variation in the Promoter of GSE5 Contributes to Grain Size Diversity in Rice.MOLECULAR PLANT,10(5),685-694.
MLA Duan, Penggen,et al."Natural Variation in the Promoter of GSE5 Contributes to Grain Size Diversity in Rice".MOLECULAR PLANT 10.5(2017):685-694.
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