缅甸巨型蚯蚓Tonoscolex birmanicus的线粒体全基因组(Clitellata: Megascolecidae)。

Mitochondrial Dna Pub Date : 2015-06-01 Epub Date: 2013-09-19 DOI:10.3109/19401736.2013.830300
Ah Rha Wang, Yong Hong, Tin Moe Win, Iksoo Kim
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引用次数: 15

摘要

到目前为止,只有三种纤毛虫的线粒体全基因组(有丝分裂基因组)序列是可用的。我们确定了缅甸特有的难以捉摸的缅甸巨型蚯蚓Tonoscolex birmanicus (Clitellata: Megascolecidae)的完整有丝分裂基因组序列。15,170 bp长的基因组包含37个后生动物有丝分裂基因组的典型基因[13个蛋白质编码基因(PCG), 2个rRNA基因和22个tRNA基因]和1个主要的非编码区。所有的37个基因都是从同一条DNA链转录而来的。T. birmanicus有丝分裂基因组的排列与两个同序物种Lumbricus terrestris和Perionyx excavates相同。所有13个pcg都以ATG开头。对于终止密码子,只有6个PCGs以TAA结尾,而其余的PCGs以不完整的终止密码子t结尾。基因在5个位置共重叠14bp,在9个位置共包含16bp的基因间间隔序列。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Complete mitochondrial genome of the Burmese giant earthworm, Tonoscolex birmanicus (Clitellata: Megascolecidae).

Until now the complete mitochondrial genome (mitogenome) sequences of only three species of clitellate have been available. We have determined the complete mitogenome sequences of the elusive Burmese giant earthworm Tonoscolex birmanicus (Clitellata: Megascolecidae), which is endemic to Myanmar. The 15,170-bp long genome contains the 37 genes typical of metazoan mitogenomes [13 protein-coding genes (PCG), 2 rRNA genes and 22 tRNA genes] and 1 major non-coding region. All of the 37 genes are transcribed from the same DNA strand. The arrangement of the T. birmanicus mitogenome is identical to that of two within-ordinal species Lumbricus terrestris and Perionyx excavates. All 13 PCGs start with the ATG. For the stop codon, only six PCGs end with the TAA, whereas the remaining ones ends with the incomplete stop codon, T. Genes overlap in a total of 14 bp in five locations, and harbor a total of 16 bp of intergenic spacer sequences in nine locations.

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来源期刊
Mitochondrial Dna
Mitochondrial Dna 生物-遗传学
自引率
0.00%
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0
审稿时长
2.4 months
期刊介绍: Previously published under the title DNA Sequence (Vols 1-19.3), Mitochondrial DNA accepts original high-quality reports based on mapping, sequencing and analysis of mitochondrial DNA and RNA. Descriptive papers on DNA sequences from mitochondrial genomes, and also analytical papers in the areas of population genetics, medical genetics, phylogenetics and human evolution that use mitochondrial DNA as a source of evidence for studies will be considered for publication. The editorial board will also consider manuscripts that examine population genetic and systematic theory that specifically address the use of mitochondrial DNA sequences.
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