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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
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Your Position :Home->Past Journals Catalog->2016 Vol.35 No.2

Influence of Riverine Barriers on Genetic Structure of Rattus tanezumi
Author of the article:ZHAO Fang1, LIN Gonghua1, WU Aiguo2
Author's Workplace:1. Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China;
2. Yunnan Institute of Endemic Disease Control and Prevention, Dali, Yunnan Province 671000, China
Key Words:river; Rattus tanezumi; mtDNA; IRBP; genetic differentiation
Abstract:Rivers may hinder population migration and promote genetic differentiation of terrestrial animals. Most studies testing the riverine barrier hypothesis have yielded positive results, while very few studies do not support this hypothesis. In this study, 384 Asian house rats (Rattus tanezumi) were collected from Yunnan, China. By combined use of the sequence markers of mitochondrial (mtDNA) and nuclear (IRBP), the influence of five local rivers on the population genetics of R. tanezumi was tested. A total of 81 mtDNA haplotypes and 135 IRBP haplotypes were determined, and many of which were shared by two or more of the six geographic regions. AMOVA analyses showed that most variations happened either within populations or among populations, while very few variations (<15%) happened among the six geographic regions formed by the five rivers. SAMOVA analysis classified the mtDNA sequences into three groups, while no genetic differentiation was detected on IRBP. Our results concluded that riverine barriers in the study area had little influence on the genetic structure of R. tanezumi.
2016,(35): 167-172 收稿日期:2015-09-18
基金项目:国家自然科学基金面上项目(81260416, 31101628); 中国科学院青年创新促进会项目(2015352)
作者简介:赵芳(1987-), 女, 博士研究生, 研究方向:动物生态学,
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