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Genetic structure and low-genetic diversity suggesting the necessity for conservation of the Chinese Longsnout catfish, Leiocassis longirostris (Pisces : Bagriidae)
Wang, ZW; Zhou, JF; Ye, YZ; Wei, QW; Wu, QJ; Wang, ZW, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2006-04-01
Source PublicationENVIRONMENTAL BIOLOGY OF FISHES
ISSN0378-1909
Volume75Issue:4Pages:455-463
AbstractGenetic variation and phylogenetic relationship of Leiocassis longirostris populations from the Yangtze River were investigated at mitochondrial DNA level. The samples were collected from the upstream and mid-downstream of the Yangtze River. Three mitochondrial DNA fragments, ND5/6, cytochrome b (Cyt b) and control region (D-loop), were amplified and then digested by 10 restriction endonucleases. Twenty-three D-loop fragments randomly selected were sequenced. Digestion patterns of ND5/6 by AluI and HaeIII, D-loop by HinfI and RsaI, and Cyt b by HaeIII were polymorphic. Ten and eighteen haplotypes were obtained from RFLP data and sequence data, respectively. The individuals from upstream and mid-downstream of the Yangtze River were apparently divided into two groups. The average genetic distance was 0.008 and 0.010 according to the two data. Low diversities and decreasing abundance indicated that Leiocassis longirostris may be in severe danger and reasonable measures of fishery management should be taken.; Genetic variation and phylogenetic relationship of Leiocassis longirostris populations from the Yangtze River were investigated at mitochondrial DNA level. The samples were collected from the upstream and mid-downstream of the Yangtze River. Three mitochondrial DNA fragments, ND5/6, cytochrome b (Cyt b) and control region (D-loop), were amplified and then digested by 10 restriction endonucleases. Twenty-three D-loop fragments randomly selected were sequenced. Digestion patterns of ND5/6 by AluI and HaeIII, D-loop by HinfI and RsaI, and Cyt b by HaeIII were polymorphic. Ten and eighteen haplotypes were obtained from RFLP data and sequence data, respectively. The individuals from upstream and mid-downstream of the Yangtze River were apparently divided into two groups. The average genetic distance was 0.008 and 0.010 according to the two data. Low diversities and decreasing abundance indicated that Leiocassis longirostris may be in severe danger and reasonable measures of fishery management should be taken.
SubtypeArticle
KeywordLeiocassis Longirostris Mitochondrial Dna Genetic Diversity Pcr-rflp
DepartmentChinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; Chinese Acad Sci, Grad Sch, Beijing, Peoples R China; Chinese Acad Fisheries Sci, Yangtze River Fisheries Res Inst, Jinzhou 434000, Hubei, Peoples R China
Subject AreaEcology ; Marine & Freshwater Biology
DOI10.1007/s10641-006-0035-z
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
WOS SubjectEcology ; Marine & Freshwater Biology
WOS IDWOS:000238741000010
WOS KeywordMITOCHONDRIAL-DNA VARIATION ; POLYMERASE-CHAIN-REACTION ; SEQUENCE VARIATION ; CONTROL REGION ; YANGTZE-RIVER ; FRESH-WATER ; POPULATIONS ; DIFFERENTIATION ; PHYLOGENY ; PATTERNS
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/8928
Collection期刊论文
Corresponding AuthorWang, ZW, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
3.Chinese Acad Fisheries Sci, Yangtze River Fisheries Res Inst, Jinzhou 434000, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Wang, ZW,Zhou, JF,Ye, YZ,et al. Genetic structure and low-genetic diversity suggesting the necessity for conservation of the Chinese Longsnout catfish, Leiocassis longirostris (Pisces : Bagriidae)[J]. ENVIRONMENTAL BIOLOGY OF FISHES,2006,75(4):455-463.
APA Wang, ZW,Zhou, JF,Ye, YZ,Wei, QW,Wu, QJ,&Wang, ZW, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China.(2006).Genetic structure and low-genetic diversity suggesting the necessity for conservation of the Chinese Longsnout catfish, Leiocassis longirostris (Pisces : Bagriidae).ENVIRONMENTAL BIOLOGY OF FISHES,75(4),455-463.
MLA Wang, ZW,et al."Genetic structure and low-genetic diversity suggesting the necessity for conservation of the Chinese Longsnout catfish, Leiocassis longirostris (Pisces : Bagriidae)".ENVIRONMENTAL BIOLOGY OF FISHES 75.4(2006):455-463.
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