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Peng Z.,Guangxi Mangrove Research Center | Chen J.,Beihai Municipal Environmental Protection Bureau | Lai T.,Guangxi Mangrove Research Center | Huang Y.,Beihai Municipal Environmental Protection Bureau | Wu L.,Beihai Municipal Environmental Protection Bureau
Mitochondrial DNA | Year: 2014

The complete mitochondrial genome of Epinephelus quoyanus is first presented in this article. It is a circular DNA double strand of 16,797 bp in length, consisting of 13 protein-coding genes, 2 ribosomal RNA genes, 22 transfer RNA (tRNA) genes and a control region. The gene order and transcriptional orientation of E. quoyanus was same with most vertebrates. Several short overlaps and intergenic spacers were found at different gene junctions. Unusually, the CO1 gene started with GTG codon and the ATP6 gene started with CTG codon. The tRNA-Ser2 (GCU) lost the DHU stem. Within the control region, the termination-associated sequence was found near the tRNA-Pro and the conserved sequence blocks (1-3) were identified near the tRNA-Phe. © 2014 Informa UK Ltd. Source


Peng Z.,Guangxi Mangrove Research Center | Huang Y.,Beihai Municipal Environmental Protection Bureau | Chen J.,Beihai Municipal Environmental Protection Bureau | Lai T.,Guangxi Mangrove Research Center | Wu L.,Beihai Municipal Environmental Protection Bureau
Mitochondrial DNA | Year: 2014

The complete mitochondrial genome of Epinephelus epistictus was first presented in this study. It was 16,920 bp in length, consisted of 13 protein-coding genes, 22 tRNA genes, 2 rRNA genes and 1 putative control region (D-loop). Overall nucleotide base composition was 28.78% A, 28.5% C, 16.12% G and 26.6% T. The COI gene started with GTG codon and the ATP6 gene started with CTG codon. The tRNA-Ser2 lacked the dihydrouridine (DHU) arm and formed one loop. The origin of L-strand replication (OL) was identified between tRNA-Asn and tRNA-Cys genes. The control region was rich in A + T (69.93%) and poor in G (12.80%). Two tandem repeat motifs were found in the control region with one nucleotide different. © 2014 Informa UK Ltd. Source

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