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首页> 外文期刊>International Journal of Biological Macromolecules: Structure, Function and Interactions >Characterization of the complete mitochondrial genome of Biston marginata (Lepidoptera: Geometridae) and phylogenetic analysis among lepidopteran insects
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Characterization of the complete mitochondrial genome of Biston marginata (Lepidoptera: Geometridae) and phylogenetic analysis among lepidopteran insects

机译:鳞翅目昆虫(Lepidoptera:Geometridae)(Lepidoptera:geometridae)完全线粒体基因组的表征及鳞翅目昆虫的系统发育分析

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The complete mitochondrial genome (mitogenome) of Biston marginata (Lepidoptera: Geometridae) was determined and annotated. The circular genome is 15,470 bp long and it contains the entire set of 37 genes usually present in lepidopteran mitogenomes. The nucleotide composition of the genome is highly A + T biased, accounting for 81.20%, with a slightly positive AT skewness (0.028), indicating the occurrence of more As than Ts, as found in other Geometridae species. Except for cox1 gene starts with non-canonical initial codon CGA, all protein-coding genes start with ATN codon. Three of the 13 PCGs (protein coding gene) had an incomplete termination codon, T or TA, while the others terminated with TAA. All tRNA genes are predicted to fold into typical clover-leaf secondary structure, except for the tmS1 (AGN), in which the dihydrouridine (DHU) arm could not form a stable stem-loop structure. The A + T-rich region of 343 bp is comprised of non-repetitive sequences, but have several distinctive features, including the motif "ATAGA" followed by a 19 bp poly-T stretch, a microsatellite-like (TA)(7) element next to the ATTTA motif. The phylogenetic analyses support the view that the B. marginata is closely related to the Biston pantrinaria, and confirm that Biston marginata belongs to the family Geometridae. (C) 2018 Published by Elsevier B.V.
机译:确定并注释了亲子粒细胞(Lepidoptera:Geometridae)的完全线粒体基因组(促滤膜)。循环基因组是15,470bp长,它含有通常存在于鳞翅目型毒蛛中的整个37个基因。基因组的核苷酸组合物具有高度偏置的偏置,占81.20%,偏见略微阳性(0.028),表明在其他地质物种中发现的比Ts多于Ts。除了COX1基因以非规范初始密码子CGA开始,均蛋白质编码基因从ATN密码子开始。 13个PCG(蛋白质编码基因)中的三个具有不完全的终端密码子,T或TA,而其他终止于TAA。除了TMS1(AGN)之外,预计所有TRNA基因将折叠成典型的三叶草 - 叶二级结构,其中二氢鲁(DHU)臂不能形成稳定的茎环结构。 343bp的富含A + T的区域由非重复序列组成,但具有几个独特的特征,包括图案“Ataga”,其次是19bp poly-t拉伸,微卫星状(Ta)(7) attta主题旁边的元素。系统发育分析支持该观点,即B. Marginata与佩斯顿潘甘草密切相关,并确认Biston Marginata属于Geometridae的家族。 (c)2018由elestvier b.v出版。

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