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Mitogenome evidence for the existence of cryptic species in Coelomactra antiquata

机译：丝裂基因证据表明古斑蛇中存在隐性物种

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摘要

Cryptic species which improve our understanding of species diversity and evolutionary histories within marine animals have been increasingly revealed in the marine realm. Coelomactra antiquate is an important commercial bivalve species, but has been suffering from severe population decline due to over-exploitation and deterioration of environmental conditions. To test the hypothesis that cryptic species might exist in C. antiquate presented in previous study, four complete mitogenomes of C. antiquate from northern and southern China were determined here. Comprehensive comparative analysis of the mitochondrial genomes of C. antiquate between northern and southern population reveals significant differences in genome composition, protein coding genes, tRNA genes, non-coding regions, genetic divergence and phylogenetic analysis. The results provide strong mitogenome evidence for the existence of cryptic species in C. antiquate. Besides, our results also support that comprehensive comparative analysis of mtDNA represents an accessible and powerful tool to identify cryptic species.
机译：在海洋领域，越来越多地揭示了提高我们对海洋动物物种多样性和进化历史的理解的隐性物种。拟青霉是一种重要的商业双壳类，但由于过度开发和环境条件的恶化，种群严重减少。为了检验先前研究中提出的古老的梭状芽胞杆菌中可能存在隐性物种的假说，这里确定了来自中国北方和南方的四个完整的古老的梭状芽孢杆菌的有丝分裂基因组。对北部和南部种群的古猿衣原体线粒体基因组进行全面比较分析，发现在基因组组成，蛋白质编码基因，tRNA基因，非编码区，遗传差异和系统发育分析上存在显着差异。该结果提供了有力的有丝分裂基因组证据，证明了古猿衣原体中存在隐性物种。此外，我们的研究结果还支持对mtDNA进行全面的比较分析是鉴定隐性物种的一种可访问且功能强大的工具。

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  • 来源
    《Genes & Genomics》 |2013年第6期|693-701|共9页
  • 作者

    Yang Yuan; Lingfeng Kong; Qi Li;

  • 作者单位

    Key Laboratory of Mariculture Ministry of Education Ocean University of China">(1);

    Key Laboratory of Mariculture Ministry of Education Ocean University of China">(1);

    Key Laboratory of Mariculture Ministry of Education Ocean University of China">(1);

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