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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Li, H. J. Gao, M. L. Xing, K. |
| Description | Country affiliation: China Author Affiliation: Xing K ( Department of Fishery Resource, Marine Technology and Environment College, Dalian Ocean University, Dalian, China.); Gao ML ( Department of Biotechnology, School of Biological and Food Engineering, Dalian Polytechnic University, Dalian, China.); Li HJ ( Key Laboratory for Ecological Environment in Coastal Areas (SOA), National Marine Environmental Monitoring Center, Dalian, China hjli@nmemc.gov.cn.) |
| Abstract | Manila clam (Ruditapes philippinarum) is one of the major aquaculture species around the world and supports an important segment of the aquaculture industry in China. In this study, we used ten microsatellite markers to detect genetic diversity within six R. philippinarum populations and genetic differentiation between them. A total of 109 alleles were detected across all loci. Compared to wild populations (N(A) = 8.4-9.1 alleles/locus, H(E) = 0.75-0.77, H(O) = 0.67-0.73), hatchery stocks showed less genetic variation as revealed in lower number of alleles and lower heterozygosity (N(A) = 7.4-7.5 alleles/locus, H(E) = 0.72-0.75, H(O) = 0.68-0.70), indicating that a bottleneck effect has occurred in hatchery history. Significant genetic differentiation was observed between cultured stocks (P < 0.05), and between cultured and wild populations (P < 0.05). Phylogenetic analysis showed a clear separation of the northern three populations and the southern three populations, suggesting that geographically separated populations of R. philippinarum could be genetically differentiated with limited genetic information exchanged between them. The information obtained in this study indicates that the northern and southern populations of R. philippinarum should be managed separately in hatchery practices for the preservation of genetic diversity in wild populations. |
| e-ISSN | 16765680 |
| Journal | Genetics and Molecular Research |
| Issue Number | 1 |
| Volume Number | 13 |
| Language | English |
| Publisher | Fundação de Pesquisas Científicas de Ribeirão Preto |
| Publisher Date | 2014-01-17 |
| Publisher Place | Brazil |
| Access Restriction | Open |
| Subject Keyword | Aquaculture Bivalvia Genetics Genetic Speciation Genetic Variation Microsatellite Repeats Animals Research Support, Non-u.s. Gov't Discipline Genetics Discipline Molecular Biology Discipline Bioinformatics |
| Content Type | Text |
| Resource Type | Article |
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