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学科主题: Biochemistry & Molecular Biology; Ecology; Evolutionary Biology
题名: Population genetic structure of striped mullet, Mugil cephalus, along the coast of China, inferred by AFLP fingerprinting
作者: Liu, JY ; Lun, ZR ; Zhang, JB ; Yang, TB
通讯作者: lssytb@mail.sysu.edu.cn
关键词: Mugil cephalus ; Genetic diversity ; Population structure ; AFLP
刊名: BIOCHEMICAL SYSTEMATICS AND ECOLOGY
发表日期: 2009
卷: 37, 期:4, 页:266-274
收录类别: sci
部门归属: [Liu, Jian-Yong; Lun, Zhao-Rong; Yang, Ting-Bao] Sun Yat Sen Univ, Ctr Parasit Organisms, Inst Aquat Econ Anim, Sch Life Sci, Guangzhou 510275, Guangdong, Peoples R China; [Zhang, Jun-Bin] Chinese Acad Sci, S China Sea Inst Oceanog, Guangzhou 510301, Guangdong, Peoples R China; [Liu, Jian-Yong] Guangdong Ocean Univ, Coll Fisheries, Zhanjiang 524025, Peoples R China
项目归属: 海洋生物
摘要: The striped mullet Mugil cephalus, is an economically important species for both aqua-culture and commercial fisheries in China. In this study, the amplified fragment length polymorphism (AFLP) technique was employed to analyze population genetic diversity and genetic distance between different populations with the aim of elucidating the population structure and gene flow of M. cephalus along the coast of China. A total of 230 fragments with 150-500 bp were identified from 118 individuals by five AFLP primer combinations. The polymorphic loci within populations varied from 46.52% to 64.78%, with an average of 53.91%, and the average heterozygosity from 0.1829 to 0.2282, with an average of 0.2074. The UPGMA phenograms of 118 individuals were constructed based on Dice similarity coefficients and four clusters were recognized. AMOVA analysis revealed that 60.7% of genetic variations were within populations and 39.3% between populations. The estimated genetic distance (phi(ST)) value over all polymorphic loci across the six populations was 0.393 (p < 0.0010), indicating a strong population structuring. The pairwise phi(ST) value ranged from 0.1112 to 0.5358, with an average of 0.3693. The population pairwise gene flows (average N-m = 0.73) are low. In addition, the result of the Mantel test showed that there was a significant correlation between geographic and genetic distances (r = 0.5434, p = 0.0050). It was speculated that there exist at least four distinct geographic populational subdivisions of M. cephalus along the Chinese coast. This research has provided new molecular data which will aid our understanding of the genetic structure of this species. Crown Copyright (C) 2009 Published by Elsevier Ltd. All rights reserved.
原文出处: 查看原文
WOS记录号: WOS:000270481900004
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/5386
Appears in Collections:海洋生物_期刊论文

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Liu, JY; Lun, ZR; Zhang, JB; Yang, TB.Population genetic structure of striped mullet, Mugil cephalus, along the coast of China, inferred by AFLP fingerprinting,BIOCHEMICAL SYSTEMATICS AND ECOLOGY,2009,37(4):266-274
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