条纹丽鱼（赫克尔，1840年）（鲈形目：丽鱼科）的完整线粒体DNA基因组
Complete mitochondrial DNA genome of banded cichlid Heckel, 1840 (Perciformes: Cichlidae).
作者信息
Chen Yan, Yang Chaojie, Chen Zhi, Tang Weixiang, Lei Zelin, Du Yuxuan
机构信息
College of Fisheries and Life Science, Hainan Tropical Ocean University, Sanya, PR China.
出版信息
Mitochondrial DNA B Resour. 2020 Jul 9;5(3):2697-2698. doi: 10.1080/23802359.2020.1787260.
In this study, we sequenced the complete mitochondrial genome of Heckel, 1840 (Perciformes, Cichlidae). This mitochondrial genome, consisting of 16,577 base pairs (bp), contains 13 protein-coding genes, 2 ribosomal RNAs, 22 transfer RNAs, and 2 noncoding control regions (control region and origin of light-strand replication) as those found in other vertebrates. Control region, of 917 bp in length, is located between tRNA and tRNA. Within the control region, typical conserved domains, such as the termination-associated sequence (TAS), central, and conserved sequence blocks domains were identified. The overall base composition of the heavy strand shows 27.6% of T, 26.3% of C, 29.3% of A, and 16.8% of G, with a slight A + T rich feature (56.9%). The complete mitogenome data provide useful genetic markers for the studies on the molecular identification, population genetics, phylogenetic analysis, and conservation genetics.
在本研究中，我们对1840年的赫氏丽鱼（鲈形目，丽鱼科）的线粒体基因组进行了测序。该线粒体基因组由16,577个碱基对（bp）组成，包含13个蛋白质编码基因、2个核糖体RNA、22个转运RNA以及2个非编码控制区（控制区和轻链复制起点），与其他脊椎动物中的情况相同。长度为917 bp的控制区位于tRNA和tRNA之间。在控制区内，鉴定出了典型的保守结构域，如终止相关序列（TAS）、中央结构域和保守序列块结构域。重链的总体碱基组成为：T占27.6%，C占26.3%，A占29.3%，G占16.8%，具有轻微的A+T富集特征（56.9%）。完整的线粒体基因组数据为分子鉴定、群体遗传学、系统发育分析和保护遗传学研究提供了有用的遗传标记。
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