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首页> 外文期刊>Genomics >The complete mitochondrial genome of Calappa bilineata: The first representative from the family Calappidae and its phylogenetic position within Brachyura
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The complete mitochondrial genome of Calappa bilineata: The first representative from the family Calappidae and its phylogenetic position within Brachyura

机译：Calappa Bilineata的完全线粒体基因组：育雏属植物的第一个代表及其在Brachyura的系统发育位置

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摘要

In this study, we determined the complete mitogenome sequence of Calappa bilineata, which is the first mitogenome of Calappidae up to now. The total length is 15,606 bp and includes 13 protein-coding genes, 22 transfer RNAs, two ribosomal RNAs and one control region. The genome composition is highly A + T biased (68.7%), and exhibits a negative AT-skew (- 0.010) and GC-skew (- 0.267). As with other invertebrate mitogenomes, the PCGs start with the standard ATN and stop with the standard TAN codons or incomplete T. Phylogenetic analysis showed that C. bilineata was most closely related to Matuta planipes (Matutidae), and these two species formed a sister Glade, constituting a Calappoidea group and forming a sister Glade with part of Eriphioidea. The existence of the polyphyletic families raised doubts over the traditional classification system. These results will help to better understand the features of the C. bilineata mitogenome and lay foundation for further evolutionary relationships within Brachyura.
机译：在这项研究中，我们确定了Calappa Bilineata的完整促催化序列，这是迄今为止的第一个催乳素组。总长度为15,606bp，包括13个蛋白质编码基因，22种转移RNA，两个核糖体RNA和一个对照区域。基因组组合物高度A + T偏置（68.7％），并且在偏差（ - 0.010）和GC偏差（ - 0.267）上表现出负阴性。与其他无脊椎动物毒蛛一样，PCG以标准的ATN开始，并用标准的棕褐色密码子停止，或者不完全T.系统发育分析表明，C.Bilineata与Matuta Planipes（Matutidae）最密切相关，这两个物种形成了妹妹林林，构成Calappoidea组并与埃里维奥的一部分形成姐妹林林。对传统分类系统的复发家族的存在提出了怀疑。这些结果将有助于更好地了解C.Bilineata促丝氨酸的特征，并为Brachyura内的进一步进化关系奠定基础。

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