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首页> 外文期刊>Polar biology >Complete Mitochondrial Genome Sequences Of The Arctic Ocean Codfishes Arctogadus Glacialis And Boreogadus Saida Reveal Oril And Trna Gene Duplications
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Complete Mitochondrial Genome Sequences Of The Arctic Ocean Codfishes Arctogadus Glacialis And Boreogadus Saida Reveal Oril And Trna Gene Duplications

机译：北极海洋鳕的线粒体基因组完整序列Arctogadus Glacialis和Boreogadus Saida揭示了Oril和Trna基因重复

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摘要

We have determined the complete mitochondrial genome sequences of the codfishes Arctogadus glacialis and Boreogadus saida (Order Gadiformes, Family Gadidae). The 16,644 bp and 16,745 bp mtDNAs, respectively, contain the same set of 37 structural genes found in all vertebrates analyzed so far. The gene organization is conserved compared to other Gadidae species, but with one notable exception. B. saida contains heteroplasmic rearrangement-mediated duplications that include the origin of light-strand replication and nearby tRNA genes. Examination of the mitochondrial control region of A. glacialis, B. saida, and four additional representative Gadidae genera identified a highly variable domain containing tandem repeat motifs in A. glacialis. Mitogenomic phylogeny based on the complete mitochondrial genome sequence, the concatenated protein-coding genes, and the derived protein sequences strongly supports a sister taxa affiliation of A. glacialis and B. saida.
机译：我们已经确定了银鳕Arctogadus glacialis和Boreogadus saida（Order Gadiformes，Family Gadidae）的完整线粒体基因组序列。迄今为止，分别在所有脊椎动物中发现的16644 bp和16745 bp mtDNA包含相同的37个结构基因集。与其他虎科物种相比，该基因的组织是保守的，但有一个明显的例外。 B. saida包含异质重排介导的重复，包括轻链复制的起源和附近的tRNA基因。冰川假单胞菌，所述的B.saida和四个其他代表性的Gadidae属的线粒体控制区的检查确定了一个高度可变的域，包含在冰川假单胞菌中的串联重复基序。基于完整的线粒体基因组序列，级联的蛋白质编码基因和衍生的蛋白质序列的线粒体系统发生学，有力地支持了A. glacialis和B. saida的姊妹类群隶属关系。

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