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首页> 外文期刊>Marine biology >Small-scale spatial and temporal genetic structure of the Atlantic sea scallop (Placopecten magellanicus) in the inshore Gulf of Maine revealed using AFLPs
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Small-scale spatial and temporal genetic structure of the Atlantic sea scallop (Placopecten magellanicus) in the inshore Gulf of Maine revealed using AFLPs

机译:利用AFLP揭示了缅因湾沿岸大西洋扇贝(Placopecten magellanicus)的小规模时空遗传结构

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摘要

Despite long planktonic durations, many species of broadcast spawning invertebrates exhibit genetic structure at small spatial and temporal scales. Amplified fragment length polymorphisms were used to assess genetic variation in the sea scallop, Placopecten magellanicus, among four inshore and one offshore location in the Gulf of Maine and temporal genetic variation among age classes of sea scallops at one site. Our results indicated that genetic structure for P. magellanicus exists on smaller spatial scales (tens to hundreds of kilometers) than expected given the 40-day planktonic larval period. In addition, genetic differences among age classes may be influenced by inter-annual differences in larval supply or reproductive success. Future genetic studies should sample multiple age classes prior to comparison among locations.
机译:尽管浮游时间长,但许多种类的产卵无脊椎动物在较小的时空尺度上仍显示出遗传结构。扩增的片段长度多态性用于评估缅因湾海扇贝,麦哲伦扇贝的四个沿海和一个近海地点的遗传变异以及一个地点海扇贝的年龄类别之间的时空遗传变异。我们的研究结果表明,在40天的浮游幼虫期中,麦哲伦球菌的遗传结构存在于较小的空间尺度(数十至数百公里)。此外,各年龄段之间的遗传差异可能受到幼虫供应或生殖成功年际差异的影响。未来的遗传研究应在对不同地点进行比较之前对多个年龄段进行抽样。

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  • 来源
    《Marine biology》 |2013年第11期|3015-3025|共11页
  • 作者

    Erin F. Owen; Paul D. Rawson;

  • 作者单位

    School of Science and Humanities, Husson University,1 College Circle, Bangor, ME 04401, USA;

    School of Marine Sciences, University of Maine,5751 Murray Hall, Orono, ME 04469, USA;

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  • 正文语种 eng
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