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Divergence in flowering time is a major component contributing to reproductive isolation between two wild rice species (Oryza rufipogon and O. nivara)
Xu, Xun; Meng, Qing-Lin; Geng, Mu-Fan; Ren, Ning-Ning; Zhou, Lian; Du, Yu-Su; Cai, Zhe; Wang, Mei-Xia; Wang, Xin; Wang, Xiu-Hua; Han, Jing-Dan; Jiang, Shuai; Jing, Chun-Yan; Liu, Rong; Zheng, Xiao-Ming; Yang, Qing-Wen; Zhang, Fu-Min; Ge, Song15,15
2020
发表期刊SCIENCE CHINA-LIFE SCIENCES
ISSN1674-7305
卷号63期号:11页码:1714-1724
摘要It is of critical importance for our understanding of speciation process to determine the forms of reproductive isolation and their relative importance in species divergence. Oryza nivara and O. rufipogon are direct ancestors of Asian cultivated rice and a progenitor-daughter species pair. Investigating the reproductive isolation between them provides insights into plant speciation and helps understanding of the rice domestication. Here, we quantitatively measured the major components of reproductive isolation between the two species based on common garden and crossing experiments for three pairs of sympatric populations in Nepal, Cambodia and Laos. We revealed significant differences in the flowering times between species pairs, with O. nivara flowering much earlier than O. rufipogon. A very weak reduction in seed set but no reduction in F1 viability and fertility were detected for the crosses between species relative to those within species. Moreover, we detected asymmetrical compatibility between species and found that emasculation significantly decreased pollination success in O. nivara but not in O. rufipogon. Our study demonstrates that the divergence between O. nivara and O. rufipogon is maintained almost entirely by the difference in flowering times and suggests that differential flowering times contribute to both habitat preferences and reproductive isolation between species.
关键词reproductive isolation flowering time speciation adaptation Oryza species
学科领域Biology
DOI10.1007/s11427-019-1678-6
收录类别SCI
语种英语
WOS关键词POPULATION GENETIC-STRUCTURE ; ECOLOGICAL DIVERGENCE ; NATURAL-SELECTION ; BARRIERS ; DIFFERENTIATION ; SPECIATION ; EVOLUTION ; ORIGIN ; FLOW ; HYBRIDIZATION
WOS研究方向Life Sciences & Biomedicine - Other Topics
WOS记录号WOS:000528500900002
出版者SCIENCE PRESS
文献子类Article
出版地BEIJING
EISSN1869-1889
资助机构National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [91731301] ; Chinese Academy of SciencesChinese Academy of Sciences [XDB31000000, XDA08020103] ; CAS/SAFEA International Partnership Program for Creative Research TeamsChinese Academy of Sciences
作者邮箱gesong@ibcas.ac.cn
引用统计
被引频次:25[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/2S10CLM1/21792
专题系统与进化植物学国家重点实验室
作者单位1.[Xu, Xun
2.Meng, Qing-Lin
3.Geng, Mu-Fan
4.Ren, Ning-Ning
5.Zhou, Lian
6.Du, Yu-Su
7.Cai, Zhe
8.Wang, Mei-Xia
9.Wang, Xin
10.Wang, Xiu-Hua
11.Han, Jing-Dan
12.Jiang, Shuai
13.Jing, Chun-Yan
14.Liu, Rong
15.Zhang, Fu-Min
16.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
17.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
18.[Zheng, Xiao-Ming
19.Chinese Acad Agr Sci, Inst Crop Sci, Natl Key Facil Crop Gene Resources & Genet Improv, Beijing 100081, Peoples R China
推荐引用方式
GB/T 7714
Xu, Xun,Meng, Qing-Lin,Geng, Mu-Fan,et al. Divergence in flowering time is a major component contributing to reproductive isolation between two wild rice species (Oryza rufipogon and O. nivara)[J]. SCIENCE CHINA-LIFE SCIENCES,2020,63(11):1714-1724.
APA Xu, Xun.,Meng, Qing-Lin.,Geng, Mu-Fan.,Ren, Ning-Ning.,Zhou, Lian.,...&Ge, Song.(2020).Divergence in flowering time is a major component contributing to reproductive isolation between two wild rice species (Oryza rufipogon and O. nivara).SCIENCE CHINA-LIFE SCIENCES,63(11),1714-1724.
MLA Xu, Xun,et al."Divergence in flowering time is a major component contributing to reproductive isolation between two wild rice species (Oryza rufipogon and O. nivara)".SCIENCE CHINA-LIFE SCIENCES 63.11(2020):1714-1724.
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