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Mitochondrial D-loop DNA analyses of Norway lobster (Nephrops norvegicus) reveals genetic isolation between Atlantic and East Mediterranean populations
Published online by Cambridge University Press: 26 October 2018
Abstract
Nephrops norvegicus is a commercially valuable demersal fisheries species. Relatively little is understood about this species’ population dynamics across its distribution with previous mitochondrial and microsatellite studies failing to identify significant population-level differentiation. In this study, sequence variation in the mitochondrial (mtDNA) D-loop was analysed from samples across the distribution range, and compared with COI sequences for this species retrieved from GenBank. Analysis of a 375 bp fragment of the D-loop revealed significant genetic differentiation between samples from the North-east Atlantic and the east Mediterranean (FST = 0.107, P < 0.001). Tau (τ), theta (θ0 and θ1) and Fu's FS values suggest the species spread between 10,500 to 19,000 ybp and subsequently expanded rapidly across the Atlantic.
Keywords
- Type
- Research Article
- Information
- Journal of the Marine Biological Association of the United Kingdom , Volume 99 , Issue 4 , June 2019 , pp. 933 - 940
- Copyright
- Copyright © Marine Biological Association of the United Kingdom 2018
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