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Study of population genetics of oysters in central and northern coast of vietnam
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The genus Oyster (Crassostrea spp.) belonging to the family Ostreidae, class Bivalvia, is widely distributed worldwide, but mainly in the tropics and subtropics. In this study, oyster specimens were collected at local markets and aquaculture site in three localities: Khanh Hoa, Binh Dinh and Nam Dinh Provinces. Sequences from Cytochome oxydase c subunit 1 and 16S gene of mitochondrial DNA (CO1 and 16S mtDNA) of 57 individuals collected showed the presence of four species of oysters, including Crassostrea rivularis (Khanh Hoa and Binh Dinh Provinces), Crassostrea sikamea (Nam Dinh and Khanh Hoa provinces), Crassostrea ariakensis (Nam Dinh province) and Crassostrea angulata (Khánh Hòa Province). Population genetics analysis was carried out with sequencing of CO1 mtDNA of C. rivularis. The results showed that populations of C. rivularis in Khanh Hoa and Binh Dinh showed high genetic diversity (16 haplotypes in 36 individuals, 44,4%) with haplotype diversity Hd = 0.870, and no population structure was observed in two geographic regions |
Study of population genetics of oysters in central and northern coast of vietnam
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