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Population genetic structure of an endemic cyprinid fish, Ancherythroculter nigrocauda, in the upper reaches of the Yangtze River and its implication for conservation
Liu, HZ; Zhu, YR; Wang, JW; Tan, DQ; Wang, JW, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2005-12-01
Source PublicationKOREAN JOURNAL OF GENETICS
ISSN0254-5934
Volume27Issue:4Pages:361-367
AbstractAncherythroculter nigrocauda is a cyprinid fish endemic to the upper reaches of the Yangtze River, which has been reported to have 2 or 3 chambers to its air bladder. Morphological studies showed no differences between individuals with different types of air bladder, but did demonstrate geographical differences from different sources. After the completion of the Three Gorges Dam, it was expected that the population of this species would decrease, but artificial breeding and stocking is under consideration to protect this species from extinction. In the present study, mtDNA cytochrome b gene sequences were determined and analyzed for A. nigrocauda samples of different morphotypes and sources to identify their genetic differentiations, and thereby guide plans for the artificial propagation and conservation of this species. Haplotype diversity index values (h) and nucleotide diversity values (pi) for all the populations were found to be high indicating their high level genetic diversity. An analysis of molecular variance identified no differentiation among the studied populations. Therefore, we suggested that the individuals of different morphological types and geographical sources belong to the same species. To maintain its high level genetic diversity, it mill he necessary to use large and diverse sources of parental fish for artificial reproduction.; Ancherythroculter nigrocauda is a cyprinid fish endemic to the upper reaches of the Yangtze River, which has been reported to have 2 or 3 chambers to its air bladder. Morphological studies showed no differences between individuals with different types of air bladder, but did demonstrate geographical differences from different sources. After the completion of the Three Gorges Dam, it was expected that the population of this species would decrease, but artificial breeding and stocking is under consideration to protect this species from extinction. In the present study, mtDNA cytochrome b gene sequences were determined and analyzed for A. nigrocauda samples of different morphotypes and sources to identify their genetic differentiations, and thereby guide plans for the artificial propagation and conservation of this species. Haplotype diversity index values (h) and nucleotide diversity values (pi) for all the populations were found to be high indicating their high level genetic diversity. An analysis of molecular variance identified no differentiation among the studied populations. Therefore, we suggested that the individuals of different morphological types and geographical sources belong to the same species. To maintain its high level genetic diversity, it mill he necessary to use large and diverse sources of parental fish for artificial reproduction.
SubtypeArticle
KeywordPopulation Genetic Structure Ancherythroculter Nigrocauda Yangtze River Conservation
DepartmentChinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Subject AreaBiotechnology & Applied Microbiology ; Genetics & Heredity
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaBiotechnology & Applied Microbiology ; Genetics & Heredity
WOS SubjectBiotechnology & Applied Microbiology ; Genetics & Heredity
WOS IDWOS:000234496000009
WOS KeywordMITOCHONDRIAL-DNA ; CONTROL-REGION ; SEQUENCE ; HAPLOTYPES ; EVOLUTION ; DYNAMICS
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Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/9048
Collection期刊论文
Corresponding AuthorWang, JW, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
AffiliationChinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Liu, HZ,Zhu, YR,Wang, JW,et al. Population genetic structure of an endemic cyprinid fish, Ancherythroculter nigrocauda, in the upper reaches of the Yangtze River and its implication for conservation[J]. KOREAN JOURNAL OF GENETICS,2005,27(4):361-367.
APA Liu, HZ,Zhu, YR,Wang, JW,Tan, DQ,&Wang, JW, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China.(2005).Population genetic structure of an endemic cyprinid fish, Ancherythroculter nigrocauda, in the upper reaches of the Yangtze River and its implication for conservation.KOREAN JOURNAL OF GENETICS,27(4),361-367.
MLA Liu, HZ,et al."Population genetic structure of an endemic cyprinid fish, Ancherythroculter nigrocauda, in the upper reaches of the Yangtze River and its implication for conservation".KOREAN JOURNAL OF GENETICS 27.4(2005):361-367.
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