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首页> 外文期刊>Genomics >Molecular footprints of inshore aquatic adaptation in Indo-Pacific humpback dolphin (Sousa chinensis)
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Molecular footprints of inshore aquatic adaptation in Indo-Pacific humpback dolphin (Sousa chinensis)

机译：Indo-Pacific Humpback海豚（Sousa Chinensis）近岸水生适应的分子足迹

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摘要

The Indo-Pacific humpback dolphin, Sousa chinensis, being a member of cetaceans, had fully adapted to inshore waters. As a threatened marine mammal, little molecular information available for understanding the genetic basis of ecological adaptation. We firstly sequenced and obtained the draft genome map of S. chinensis. Phylogenetic analysis in this study, based on the single copy orthologous genes of the draft genome, is consistent with traditional phylogenetic classification. The comparative genomic analysis indicated that S. chinensis had 494 species-specific gene families, which involved immune, DNA repair and sensory systems associated with the potential adaption mechanism. We also identified the expansion and positive selection genes in S. chinensis lineage to investigate the potential adaptation mechanism. Our study provided the potential insight into the molecular bases of ecological adaptation in Indo-Pacific humpback dolphin and will be also valuable for future understanding the ecological adaptation and evolution of cetaceans at the genomic level.
机译：Indo-Pacific Humpback Dolphin，Sousa Chinensis是鲸群岛的成员，完全适应了近海水域。作为受威胁的海洋哺乳动物，很少的分子信息可用于了解生态适应的遗传基础。我们首先测序并获得了S.Chinensis的基因组图草案。该研究的系统发育分析，基于基因组草案的单拷贝外科基因，与传统的系统发育分类一致。比较基因组分析表明，S.Chinensis具有494种特异性基因家族，其涉及与潜在适应机制相关的免疫，DNA修复和感官系统。我们还鉴定了S.Chinensis谱系中的膨胀和阳性选择基因，以研究潜在的适应机制。我们的研究提供了对印度 - 太平洋驼背海豚的生态适应的分子基础的潜在洞察力，对于未来的理解基因组水平的生态适应和演变也是有价值的。

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  • 来源
    《Genomics》 |2019年第5期|共9页
  • 作者

    Ming Yao; Jian Jianbo; Yu Fei; Yu Xueying; Wang Jingzhen; Liu Wenhua;

  • 作者单位

    Shantou Univ Marine Biol Inst Shantou 515063 Guangdong Peoples R China;

    Shantou Univ Marine Biol Inst Shantou 515063 Guangdong Peoples R China;

    Shantou Univ Marine Biol Inst Shantou 515063 Guangdong Peoples R China;

    Qinzhou Univ Guangxi Key Lab Marine Disaster Beibu Gulf Qinzhou 535011 Guangxi Peoples R China;

    Qinzhou Univ Guangxi Key Lab Marine Disaster Beibu Gulf Qinzhou 535011 Guangxi Peoples R China;

    Shantou Univ Marine Biol Inst Shantou 515063 Guangdong Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 医学遗传学;
  • 关键词

    Sousa chinensis; Sequence; Evolution; Adaptation; Cetaceans;

    机译：Sousa chinensis;序列;进化;适应;鲸类;

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