Document Detail

Population structure and genetic variability of six bar wrasse (Thallasoma hardwicki) in northern South China Sea revealed by mitochondrial control region sequences.
MedLine Citation:
PMID:  15129326     Owner:  NLM     Status:  MEDLINE    
The genetic relationships among northern South China Sea populations of the six bar wrasse (Thallasoma hardwicki) were investigated. Fish collected from the Solomon Islands were used for geographic comparison. In 1998 and 1999, a total of 100 fish were sampled from 6 localities of the northern South China Sea and 3 localities of the Solomon Islands. Genetic variations in DNA sequences were examined from the first hypervariable region (HVR-1) of the mitochondrial control region, as amplified by polymerase chain reaction. High levels of haplotypic diversity (h = 0.944 +/- 0.0016, pi = 0.0224 +/- 0.01171) in the HVR-1 region of the mitochondrial control region of T. hardwicki were detected. This yielded 94 haplotypes that exhibited a minimum spanning tree with a starburst structure, suggestive of a very recent origin for most haplotypes. Neutrality tests indicated that the pattern of genetic variability in T. hardwicki is consistent either with genetic hitchhiking by an advantageous mutation or with population expansion. Partitioning populations into coherent geographic groups divided the northern South China Sea samples (Phi(CT) = 0.0313, P < 0.001) into 3 major groups: a north-central group composed of northwestern Taiwan and northern Vietnam; a southwestern group containing southern Vietnam; and a southern group including the central Philippines. These results are in concordance with mesoscale boundaries proposed by allozyme markers, thus highlighting the importance of identifying transboundary units for the conservation and management of fisheries in the South China Sea.
Chaolun Allen Chen; Maria Carmen Anonuevo Ablan; John Williams McManus; Johann Diepernk Bell; Vo Si Tuan; Annadel Sarmiento Cabanban; Kwang-Tsao Shao
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2004-05-06
Journal Detail:
Title:  Marine biotechnology (New York, N.Y.)     Volume:  6     ISSN:  1436-2228     ISO Abbreviation:  Mar. Biotechnol.     Publication Date:    2004 Jul-Aug
Date Detail:
Created Date:  2004-11-16     Completed Date:  2005-01-18     Revised Date:  2014-07-03    
Medline Journal Info:
Nlm Unique ID:  100892712     Medline TA:  Mar Biotechnol (NY)     Country:  United States    
Other Details:
Languages:  eng     Pagination:  312-26     Citation Subset:  IM    
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MeSH Terms
Analysis of Variance
Base Sequence
DNA, Mitochondrial / genetics
Fisheries / methods
Genetic Variation*
Genetics, Population*
Haplotypes / genetics
Locus Control Region / genetics
Molecular Sequence Data
Pacific Ocean
Perciformes / genetics*
Population Dynamics
Sequence Analysis, DNA
Water Movements
Reg. No./Substance:
0/DNA, Mitochondrial

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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