Genetic isolation between Atlantic and Mediterranean albacore populations inferred from mitochondrial and nuclear DNA markers
13 pages, 4 figures, 2 tables
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| Format: | artículo biblioteca |
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Fisheries Society of the British Isles
2005-06
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| Subjects: | Albacore, Atlantic and Mediterranean, G6PD, Genetic stock structure, mtDNA, |
| Online Access: | http://hdl.handle.net/10261/133539 |
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dig-icm-es-10261-1335392020-11-10T09:51:40Z Genetic isolation between Atlantic and Mediterranean albacore populations inferred from mitochondrial and nuclear DNA markers Nakadate, M. Viñas, Jordi Corriero, A. Clarke, S. Suzuki, Nobuo Chow, S. Albacore Atlantic and Mediterranean G6PD Genetic stock structure mtDNA 13 pages, 4 figures, 2 tables Genetic population structure of Atlantic and Mediterranean albacore Thunnus alalunga was investigated using nucleotide sequence variations of the glucose-6-phosphate dehydrogenase gene intron (G6PD) and the mitochondrial DNA (mtDNA) D-loop region (Dloop). Restriction analysis using Ase I digestion detected two major restriction types (A and B) at the Dloop locus with strong frequency differences between Atlantic and Mediterranean samples. Thirty-six individuals of 100 Mediterranean albacore were of the B type whereas no B type individuals were found in the Atlantic samples (n= 102). Phylogenetic analysis using nucleotide sequence data of the Dloop locus indicated that the B type lineage recently arose from the ancestral A lineage in the Mediterranean Sea and has not dispersed into the Atlantic Ocean. The frequencies of two alleles (L and S) at the G6PD locus were significantly different between the samples from the Atlantic (L = 0.495) and the Mediterranean (L = 0.725), but no significant heterogeneity was observed between mtDNA-A and -B types of the Mediterranean sample. These molecular data indicate that gene flow between the Atlantic and Mediterranean albacore populations have been considerably restricted and strongly suggest these populations should continue to be treated as two distinct management units. © 2005 The Fisheries Society of the British Isles This work was supported in part by grants from the Japan Society for the Promotion of Science, the Ministry of Agriculture, Forestry and Fisheries of Japan, and a Grant-in-Aid for Scientific Research on Priority Areas (B) from the Ministry of Education, Science, Sports and Culture Peer Reviewed 2016-06-16T06:39:54Z 2016-06-16T06:39:54Z 2005-06 2016-06-16T06:40:01Z artículo http://purl.org/coar/resource_type/c_6501 doi: 10.1111/j.0022-1112.2005.00705.x issn: 0022-1112 e-issn: 1095-8649 Journal of Fish Biology 66(6): 1545-1557 (2005) http://hdl.handle.net/10261/133539 10.1111/j.0022-1112.2005.00705.x https://doi.org/10.1111/j.0022-1112.2005.00705.x none Fisheries Society of the British Isles |
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Albacore Atlantic and Mediterranean G6PD Genetic stock structure mtDNA Albacore Atlantic and Mediterranean G6PD Genetic stock structure mtDNA |
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Albacore Atlantic and Mediterranean G6PD Genetic stock structure mtDNA Albacore Atlantic and Mediterranean G6PD Genetic stock structure mtDNA Nakadate, M. Viñas, Jordi Corriero, A. Clarke, S. Suzuki, Nobuo Chow, S. Genetic isolation between Atlantic and Mediterranean albacore populations inferred from mitochondrial and nuclear DNA markers |
| description |
13 pages, 4 figures, 2 tables |
| format |
artículo |
| topic_facet |
Albacore Atlantic and Mediterranean G6PD Genetic stock structure mtDNA |
| author |
Nakadate, M. Viñas, Jordi Corriero, A. Clarke, S. Suzuki, Nobuo Chow, S. |
| author_facet |
Nakadate, M. Viñas, Jordi Corriero, A. Clarke, S. Suzuki, Nobuo Chow, S. |
| author_sort |
Nakadate, M. |
| title |
Genetic isolation between Atlantic and Mediterranean albacore populations inferred from mitochondrial and nuclear DNA markers |
| title_short |
Genetic isolation between Atlantic and Mediterranean albacore populations inferred from mitochondrial and nuclear DNA markers |
| title_full |
Genetic isolation between Atlantic and Mediterranean albacore populations inferred from mitochondrial and nuclear DNA markers |
| title_fullStr |
Genetic isolation between Atlantic and Mediterranean albacore populations inferred from mitochondrial and nuclear DNA markers |
| title_full_unstemmed |
Genetic isolation between Atlantic and Mediterranean albacore populations inferred from mitochondrial and nuclear DNA markers |
| title_sort |
genetic isolation between atlantic and mediterranean albacore populations inferred from mitochondrial and nuclear dna markers |
| publisher |
Fisheries Society of the British Isles |
| publishDate |
2005-06 |
| url |
http://hdl.handle.net/10261/133539 |
| work_keys_str_mv |
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