Zhao Na, Chen Feng, Liao Xiaolin
a Key Laboratory of Ecological Impacts of Hydraulic-Projects and Restoration of Aquatic Ecosystem of Ministry of Water Resources , Institute of Hydroecology, Ministry of Water Resources and Chinese Academy of Sciences , Wuhan 430079 , China.
Mitochondrial DNA A DNA Mapp Seq Anal. 2016;27(1):692-3. doi: 10.3109/19401736.2014.913146. Epub 2014 May 9.
The complete mitochondrial genome of an endemic fish Ptychidio jordani is a circular molecular of 16,602 bp in size, containing 13 protein-coding genes (PCGs), 22 transfer RNA (tRNA) genes, 2 ribosomal RNA (rRNA) genes and a non-coding control region. Most of the genes are encoded on the heavy strand, expect for ND6 and eight tRNAs. The control region is 940 bp in length and is located between the tRNA(Pro) and tRNA(Phe) genes. Of 13 PCGs, 7 genes (ND2, COII, ATPase 6, COIII, ND3, ND4, Cytb) had an incomplete stop codon. The complete mtDNA genome sequence obtained in this study would be useful for studying genetic diversity and phylogenetics in Ptychidio jordani and related taxa in future.
中国本土鱼类南方鲇的完整线粒体基因组是一个大小为16,602 bp的环状分子，包含13个蛋白质编码基因（PCGs）、22个转运RNA（tRNA）基因、2个核糖体RNA（rRNA）基因和一个非编码控制区。大多数基因由重链编码，ND6和8个tRNA基因除外。控制区长940 bp，位于tRNA(Pro)和tRNA(Phe)基因之间。在13个PCGs中，7个基因（ND2、COII、ATPase 6、COIII、ND3、ND4、Cytb）具有不完整的终止密码子。本研究获得的完整线粒体DNA基因组序列将有助于未来研究南方鲇及相关类群的遗传多样性和系统发育。
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