High connectivity in rastrelliger kanagurta: Influence of historical signatures and migratory behaviour inferred from mtDNA Cytochrome b

Akib, Noor Adelyna Mohammed, Tam, Bui Minh, Phumee, Preeda, Abidin, Muchlisin Zainal, Tamadoni, Saied, Mather, Peter B., & Nor, Siti Azizah Mohd (2015) High connectivity in rastrelliger kanagurta: Influence of historical signatures and migratory behaviour inferred from mtDNA Cytochrome b. PLoS ONE, 10(3), e0119749.

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Phylogeographic patterns and population structure of the pelagic Indian mackerel, Rastrelliger kanagurta were examined in 23 populations collected from the Indonesian-Malaysian Archipelago (IMA) and the West Indian Ocean (WIO). Despite the vast expanse of the IMA and neighbouring seas, no evidence for geographical structure was evident. An indication that R. kanagurta populations across this region are essentially panmictic. This study also revealed that historical isolation was insufficient for R. kanagurta to attain migration drift equilibrium. Two distinct subpopulations were detected between the WIO and the IMA (and adjacent populations); interpopulation genetic variation was high. A plausible explanation for the genetic differentiation observed between the IMA and WIO regions suggest historical isolation as a result of fluctuations in sea levels during the late Pleistocene. This occurrence resulted in the evolution of a phylogeographic break for this species to the north of the Andaman Sea.

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ID Code: 86464
Item Type: Journal Article
Refereed: Yes
Keywords: Cytochrome b, Mitochondrial DNA, Animal behavior, DNA sequence, Rastrelliger kanagurta, Nucleotide sequence, Phylogeography, Molecular evolution
DOI: 10.1371/journal.pone.0119749
ISSN: 1932-6203
Divisions: Current > Schools > School of Earth, Environmental & Biological Sciences
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2015 Akib et al.
Copyright Statement: This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited
Deposited On: 06 Aug 2015 23:19
Last Modified: 13 Aug 2015 00:07

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