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首页> 外文期刊>Marine biology >Low-mitochondrial Diversity And Lack Of Structure In The Velvet Swimming Crab Necora Puber Along The Galician Coast
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Low-mitochondrial Diversity And Lack Of Structure In The Velvet Swimming Crab Necora Puber Along The Galician Coast

机译：加利西亚海岸天鹅绒游泳蟹Necora Puber的低线粒体多样性和缺乏结构

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摘要

The velvet swimming crab Necora puber is a common species along the European Atlantic coasts. Due to its increasing commercial importance, many studies have been carried out to characterize its growth and reproduction, but no genetic assessment has ever been attempted at the population level. Here, we describe the genetic diversity and population structure of N. puber in northwestern Spain (Galicia), including additional samples from France, Portugal, and southern Spain. To do so, we analysed two mito-chondrial fragments of the COI and 16S genes in 217 individuals collected from ten localities. Our results unveil low-genetic diversity and weak population structure along the studied range. A range expansion after the last glacial maximum, followed by ongoing gene flow, seems to be the most likely explanation for the observed genetic pattern.
机译：天鹅绒游泳蟹Necora puber是欧洲大西洋沿岸的常见物种。由于其日益重要的商业意义，已经进行了许多研究以表征其生长和繁殖，但是从未尝试过在人群水平上进行遗传评估。在这里，我们描述了西班牙西北部（加利西亚）的青春猪笼草的遗传多样性和种群结构，包括来自法国，葡萄牙和西班牙南部的其他样本。为此，我们分析了从十个地方收集的217个人的两个COI和16S基因的线粒体片段。我们的结果揭示了在研究范围内低遗传多样性和弱种群结构。在最后一次冰川期之后的范围扩大，接着是持续的基因流动，似乎是观察到的遗传模式的最可能解释。

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