Gene-flow patterns in Atlantic and Mediterranean populations of the Lusitanian sea star Asterina gibbosa.
作者： E. BAUS , D. J. DARROCK , M. W. BRUFORD
DOI: 10.1111/J.1365-294X.2005.02681.X
关键词:
摘要: In this study, the population structure of Lusitanian sea star Asterina gibbosa was assessed using amplified fragment length polymorphism (AFLP). One hundred and twenty-two AFLP loci were analysed in 159 individuals from eight populations across species’ range revealed high levels genetic diversity, with all but two harbouring a unique banding pattern. As reported for other marine invertebrates, we found differentiation between Atlantic Mediterranean basins, suggesting that Strait Gibraltar represents major barrier to dispersal star. Our assignment studies suggest that, Atlantic, measurable degree gene flow occurs populations, which could result isolation-by-distance pattern observed basin. contrast, no evidence contemporary Mediterranean, contrasting patterns basins
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