雷氏水萤（鞘翅目：萤科）线粒体全基因组的序列与结构
Sequence and organization of complete mitochondrial genome of the firefly, Aquatica leii (Coleoptera: Lampyridae).
作者信息
Jiao Hengwu, Ding Minghui, Zhao Huabin
机构信息
a Department of Zoology , College of Life Sciences, Wuhan University , Wuhan , China.
出版信息
Mitochondrial DNA. 2015;26(5):775-6. doi: 10.3109/19401736.2013.855746. Epub 2013 Dec 2.
The firefly Aquatica leii (Coleoptera: Lampyridae) is widely distributed in China. In this study, we sequenced and characterized the first complete mitochondrial genome of the firefly from the subfamily Luciolinae. The circular genome of 16,856 bp in length contains 13 protein-coding genes, 22 transfer RNA genes, 2 ribosomal RNA genes and a non-coding AT-rich region. Overall base composition of the genome is 42.28% A, 34.80% T, 13.91% C and 9.01% G, with an AT bias of 77.08%. All protein-coding genes start with an ATN codon, and terminate with the typical stop codon TAA, TAG or a single T. The non-coding AT-rich region is unusually long (2239 bp), containing six 113 bp tandem repeats and a microsatellite-like (TA)7 element. The genome sequence is useful for studying the evolution of sexual signaling and many ecological specializations in fireflies.
雷氏萤（鞘翅目：萤科）在中国分布广泛。在本研究中，我们对萤亚科的雷氏萤的首个完整线粒体基因组进行了测序和特征分析。该环状基因组长度为16,856 bp，包含13个蛋白质编码基因、22个转运RNA基因、2个核糖体RNA基因和一个富含AT的非编码区。基因组的总体碱基组成为：A占42.28%，T占34.80%，C占13.91%，G占9.01%，AT偏倚率为77.08%。所有蛋白质编码基因均以ATN密码子起始，并以典型的终止密码子TAA、TAG或单个T终止。富含AT的非编码区异常长（2239 bp），包含六个113 bp的串联重复序列和一个微卫星样（TA）7元件。该基因组序列有助于研究萤火虫性信号的进化以及许多生态特化现象。
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