Assessing the genetic diversity and population structure of Culter alburnus in China based on mitochondrial 16S rRNA and COI gene sequences |
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| Institution: | 1. College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China;2. National Engineering Research Center of Marine Facilities Aquaculture, Marine Science College of Zhejiang Ocean University, Zhoushan 316004, China;1. Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture, Fisheries College, Jimei University, Xiamen 361021, China;2. Fujian Provincial Key Laboratory of Large Yellow Croaker, Ningde Fufa Fisheries Company Limited, Ningde 352103, China;3. Department of Natural Sciences and Mathematics, State University of New York at Cobleskill, NY 12043, United States;1. ICAR-Central Institute of Fisheries Education, Panch Marg, Off Yari Road, Versova, Andheri (W), Mumbai 400061, India;2. College of Fisheries, CAU (I), Lembucherra, Tripura 799210, India;3. National Centre for Sustainable Coastal Management, MoEFCC, Anna University Campus, Guindy, Chennai 600025, India;1. Department of Biology, Lingnan Normal University, Zhanjiang, 524048, China;2. FishLab, Department of Veterinary Sciences, University of Pisa, 56124, Pisa, Italy;3. Experimental Institute of Zooprophylaxis Piedmont, Liguria and Aosta Valley, 10154 Turin, Italy;4. Guangxi Key Laboratory of Beibu Gulf Marine Biodiversity Conservation, Qinzhou University, Qinzhou, 535000, China;5. Department of Chemistry, Lingnan Normal University, Zhanjiang, 524048, China;6. Department of Agricultural, Food and Agro-Environmental Sciences, University of Pisa, Pisa, 56124, Italy |
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| Abstract: | The genetic diversity and population genetic structure of Culter alburnus were investigated using mitochondrial cytochrome c oxidase subunit I (COI) and ribosomal 16S subunit (16S rRNA) gene sequences. A total of 89 individuals from four localities were included in the analysis. Overall, 12 polymorphic sites were observed and 10 haplotypes were defined. The C. alburnus populations were characterized by high haplotype diversity (0.587 ± 0.047) and low nucleotide diversity (0.00197 ± 0.00073). Pairwise fixation index (FST) analysis indicated significant genetic differentiation among different populations. The hierarchical analysis of molecular variance (AMOVA) analysis also showed significant genetic divergence (φST = 0.3792, P < 0.01) among these populations. The present results suggest that subdivisions exist among four C. alburnus populations, and should be considered as different management unit for effective conservation and management purposes. This study provides new information for genetic assessment and will be crucial for establishing fisheries management and strategies for this species. |
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| Keywords: | Culter alburnus mtDNA COI 16S rRNA Phylogeography Population structure |
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