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首页> 外文期刊>Biochemical Genetics >Characterization of the Whole Mitogenome of Largehead Hairtail Trichiurus lepturus (Trichiuridae): Insights into Special Characteristics
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Characterization of the Whole Mitogenome of Largehead Hairtail Trichiurus lepturus (Trichiuridae): Insights into Special Characteristics

机译：巨大发型瘤型脑膜炎症状脑筋膜（Trichiuridae）的表征：特殊特征见解

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摘要

Mitochondrial genomes are valuable for making inferences regarding population genetics, phylogenetics and recently in understanding adaptive variation in OXPHOS genes. Ribbon fish, Trichiurus lepturus is distributed in the Indian Ocean and contributes to a major share of pelagic fish landings. Considering the importance, we characterized the complete mitogenome of large head hairtail T. lepturus from Indian waters by PCR amplification and sequencing. The entire mitogenome is 16,840 bp in length, with 13 protein coding genes, 2 subunit ribosomal RNA genes, and 1 control region similar to other vertebrates. Genome contains only 21 tRNAs (tRNA(Pro) is absent) as against 22 tRNAs reported in other vertebrates. The putative origin of L-strand replication (O-L) was located in a cluster of five tRNA genes (WANCY region) and may not be functional due to the variation of conserved motif (5 '-GCCGG-3 ') and loop. These two unusual features are common for Trichiurus mitogenomes. Phylogenetic analysis supported the monophyly of Trichiuridae. This study will provide information for further studies on taxonomy, phylogeny and patterns of adaptive evolution in the mitogenome of Trichiurus species.
机译：线粒体基因组是对群体遗传学，系统发育，最近理解毒物基因的适应性变化的推论是有价值的。丝带鱼，Trichiurus Lepturus分布在印度洋中，有助于Pelagic Fish Landings的主要份额。考虑到重要性，通过PCR扩增和测序，其特征在于印度水域的大头发肽T.Lepturus的完整促使。整个促使的长度为16,840bp，具有13个蛋白质编码基因，2个亚基核糖体RNA基因，以及类似于其他脊椎动物的1个对照区域。基因组仅含有21个TrNA（不存在TRNA（PRO）），其在其他脊椎动物中报告的22个TRNA。 L-链复制（O-L）的推定起源位于五个TRNA基因（WANCAND区域）的簇中，并且由于保守基序（5'-GCCGG-3'）和环路的变化而可能不是功能。这两个不寻常的特征对于Trichiurus mitogenomes是常见的。系统发育分析支持Trichiuridae的一定。本研究将提供关于进一步研究Trichiurus物种促进剂的分类学，系统发育和自适应演化模式的信息。

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