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A selfish genetic element confers non-Mendelian inheritance in rice
Yu, Xiaowen; Zhao, Zhigang; Zheng, Xiaoming1; Zhou, Jiawu2; Kong, Weiyi; Wang, Peiran; Bai, Wenting; Zheng, Hai; Zhang, Huan; Li, Jing2; Liu, Jiafan1; Wang, Qiming; Zhang, Long; Liu, Kai; Yu, Yang; Guo, Xiuping1; Wang, Jiulin1; Lin, Qibing1; Wu, Fuqing1; Ren, Yulong1; Zhu, Shanshan1; Zhang, Xin1; Cheng, Zhijun1; Lei, Cailin1; Liu, Shijia; Liu, Xi; Tian, Yunlu; Jiang, Ling; Ge, Song3; Wu, Chuanyin1; Tao, Dayun2; Wang, Haiyang1; Wan, Jianmin1
Source PublicationSCIENCE
AbstractSelfish genetic elements are pervasive in eukaryote genomes, but their role remains controversial. We show that qHMSZ a major quantitative genetic locus for hybrid male sterility between wild rice (Oryza meridionalis) and Asian cultivated rice (O. sativa), contains two tightly linked genes [Open Reading Frame 2 (ORF2) and ORF3]. ORF2 encodes a toxic genetic element that aborts pollen in a sporophytic manner, whereas ORF3 encodes an antidote that protects pollen in a gametophytic manner. Pollens lacking ORF3 are selectively eliminated, leading to segregation distortion in the progeny. Analysis of the genetic sequence suggests that ORF3 arose first, followed by gradual functionalization of ORF2. Furthermore, this toxin-antidote system may have promoted the differentiation and/or maintained the genome stability of wild and cultivated rice.
Subject AreaMultidisciplinary Sciences
Indexed BySCI
WOS IDWOS:000434635500049
Publication PlaceWASHINGTON
Funding OrganizationNational Key Research and Development Program of China [2016YFD0100301] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [U1502265] ; Agricultural Science and Technology Innovation Program of the Chinese Academy of Agricultural Sciences
Corresponding Author Emailwuchuanyin@caas.cn ; taody12@aliyun.com ; wanghaiyang@caas.cn ; wanjianmin@caas.cn
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Cited Times:58[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Nanjing Agr Univ, Natl Key Lab Crop Genet & Germplasm Enhancement, Jiangsu Plant Gene Engn Res Ctr, Nanjing 210095, Jiangsu, Peoples R China
2.Chinese Acad Agr Sci, Inst Crop Sci, Natl Key Facil Crop Gene Resources & Genet Improv, Beijing 100081, Peoples R China
3.Yunnan Acad Agr Sci, Food Crops Res Inst, Kunming 650200, Yunnan, Peoples R China
4.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
Recommended Citation
GB/T 7714
Yu, Xiaowen,Zhao, Zhigang,Zheng, Xiaoming,et al. A selfish genetic element confers non-Mendelian inheritance in rice[J]. SCIENCE,2018,360(6393):1130-1132.
APA Yu, Xiaowen.,Zhao, Zhigang.,Zheng, Xiaoming.,Zhou, Jiawu.,Kong, Weiyi.,...&Wan, Jianmin.(2018).A selfish genetic element confers non-Mendelian inheritance in rice.SCIENCE,360(6393),1130-1132.
MLA Yu, Xiaowen,et al."A selfish genetic element confers non-Mendelian inheritance in rice".SCIENCE 360.6393(2018):1130-1132.
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