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首页> 外文期刊>Estuarine Coastal and Shelf Science >Regional genetic differentiation in the blue mussel from the Baltic Sea area
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Regional genetic differentiation in the blue mussel from the Baltic Sea area

机译：波罗的海地区蓝贻贝的区域遗传分化

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摘要

Connectivity plays an important role in shaping the genetic structure and in evolution of local adaptation. In the marine environment barriers to gene flow are in most cases caused by gradients in environmental factors, ocean circulation and/or larval behavior. Despite the long pelagic larval stages, with high potential for dispersal many marine organisms have been shown to have a fine scale genetic structuring. In this study, by using a combination of high-resolution genetic markers, species hybridization data and biophysical modeling we can present a comprehensive picture of the evolutionary landscape for a keystone species in the Baltic Sea, the blue mussel. We identified distinct genetic differentiation between the West Coast, Baltic Proper and Bothnian Sea regions, with lower gene diversity in the Bothnian Sea. Oceanographic connectivity together with salinity and to some extent species identity provides explanations for the genetic differentiation between the West Coast and the Baltic Sea (Baltic Proper and Bothnian Sea). The genetic differentiation between the Baltic Proper and Bothnian Sea cannot be directly explained by oceanographic connectivity, species identity or salinity, while the lower connectivity to the Bothnian Sea may explain the lower gene diversity. (C) 2016 The Authors. Published by Elsevier Ltd.
机译：连接性在塑造遗传结构和局部适应性进化中起着重要作用。在海洋环境中，基因流动的障碍在大多数情况下是由环境因素，海洋环流和/或幼虫行为的梯度引起的。尽管上层幼体阶段很长，但具有很高的传播潜力，许多海洋生物已被证明具有良好的遗传结构。在这项研究中，通过结合使用高分辨率遗传标记，物种杂交数据和生物物理模型，我们可以全面呈现出蓝色贻贝在波罗的海的关键物种的进化景观。我们确定了西海岸，波罗的海适当地区和波特尼亚海地区之间的独特遗传分化，而波特尼亚海的基因多样性较低。海洋学的连通性以及盐度和某种程度上的物种同一性为西海岸和波罗的海（波罗的海的适当和波特尼亚海）之间的遗传分化提供了解释。波罗的海和波特尼亚海之间的遗传分化不能通过海洋学连通性，物种同一性或盐度直接解释，而与波特尼亚海的较低连通性可以解释基因多样性较低。 （C）2016作者。由Elsevier Ltd.发布

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  • 来源
    《Estuarine Coastal and Shelf Science》 |2017年第5期|98-109|共12页
  • 作者

    Larsson J.; Lind E. E.; Corell H.; Grahn M.; Smolarz K.; Lonn M.;

  • 作者单位

    Sodertorn Univ, Sch Nat Sci Technol & Environm Studies, Alfred Nobels Alle 7, S-14152 Stockholm, Sweden;

    Swedish Univ Agr Sci, Dept Aquat Resources, Stangholmsvagen 2, S-17893 Stockholm, Sweden;

    Univ Gothenburg, Dept Marine Sci, S-45296 Tjarno, Stromstad, Sweden;

    Sodertorn Univ, Sch Nat Sci Technol & Environm Studies, Alfred Nobels Alle 7, S-14152 Stockholm, Sweden;

    Univ Gdansk, Inst Oceanog, Dept Marine Ecosyst Functioning, Lab Estuarine Ecol, Al Pilsudskiego 46, PL-81378 Gdynia, Poland;

    Sodertorn Univ, Sch Nat Sci Technol & Environm Studies, Alfred Nobels Alle 7, S-14152 Stockholm, Sweden;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    AFLP; Baltic Sea; Barrier; Gene flow; Oceanographic connectivity; Population genetics;

    机译：AFLP;波罗的海;屏障;基因流;海洋学连通性;种群遗传学;

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