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学科主题: Genetics & Heredity ; Marine & Freshwater Biology
题名: Genetic diversity and substantial population differentiation in Crassostrea hongkongensis revealed by mitochondrial DNA
作者: [Li, Lu ; Wu, Xiangyun ; Yu, Ziniu] Chinese Acad Sci, Key Lab Marine Bioresource Sustainable Utilizat, Lab Appl Marine Biol, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China ; [Li, Lu] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
通讯作者: carlzyu@scsio.ac.cn
关键词: Crassostrea hongkongensis ; Mitochondrial DNA ; Population genetics ; Gene flow ; Genetic management
刊名: MARINE GENOMICS
发表日期: 2013
卷: 11, 页:31-37
部门归属: LMB
资助者: We sincerely thank Dr. Caihuan Me and Xiaoyu Guo from Xiamen University, China, for their kind help with field sampling. We also wish to thank Prof. Elizabeth De Stasio for her English review. This work was financially supported by the funding from Science and Technology Program of Guangdong province (2012A020200004 and 2010B020201014).
摘要: The Hong Kong oyster, Crassostrea hongkongensis, is an important fisheries resource that is cultivated in the coastal waters of the South China Sea. Despite significant advances in understanding biological and taxonomic aspects of this species, no detailed study of its population genetic diversity in regions of extensive cultivation are available. Direct sequencing of the mtDNA cox1 gene region was used to investigate genetic variation within and between eleven C hongkongensis populations collected from typical habitats. Sixty-two haplotypes were identified; only haplotype 2 (21.74% of total haplotypes) was shared among all the eleven populations, and most of the observed haplotypes were restricted to individual populations. Both AMOVA and F-ST analyses revealed significant population structure, and the isolation by distance (IBD) was confirmed. The highest local differentiation was observed between the sample pools from Guangxi versus Guangdong and Fujian, which are separated by a geographic barrier, the Leizhou Peninsula. Current knowledge from seed management suggests that seed transfer from Guangxi province has likely reduced the divergence that somewhat naturally exists between these pools. The findings from the present study could be useful for genetic management and may serve as a baseline by which to monitor future changes in genetic diversity, either due to natural or anthropogenic impacts. (C) 2013 Elsevier B.V. All rights reserved.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000326614000005
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10986
Appears in Collections:中科院海洋生物资源可持续利用重点实验室_期刊论文

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[Li, Lu; Wu, Xiangyun; Yu, Ziniu] Chinese Acad Sci, Key Lab Marine Bioresource Sustainable Utilizat, Lab Appl Marine Biol, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China; [Li, Lu] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China.Genetic diversity and substantial population differentiation in Crassostrea hongkongensis revealed by mitochondrial DNA,MARINE GENOMICS,2013,11():31-37
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