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논문 기본 정보

자료유형
학술저널
저자정보
Rui Li (Neijiang Normal University) Gang Wang (Neijiang Normal University) Zheng‑Yong Wen (Neijiang Normal University) Yuan‑Chao Zou (Neijiang Normal University) Chuan‑Jie Qin (Neijiang Normal University) Yu Luo (Neijiang Academy of Agricultural Sciences) Jun Wang (Neijiang Normal University) Gui‑Hong Chen (Neijiang Normal University)
저널정보
한국유전학회 Genes & Genomics Genes & Genomics Vol.41 No.2
발행연도
2019.1
수록면
147 - 157 (11page)

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The snakehead fish, Channa siamensis, belongs to the genus of Channa (perciformes: Channidae) and was first reported by Günther in 1861. Despite it has been described approximately for 15 decades, the genetic information is limited and the taxon status of this kind of fish is still unclear. The primary objective of this study is to get more genomic data and calculate the taxon location of this kind of fish. The next generation sequencing method was used to obtain the whole mitochondrial DNA information, and bioinformatic analysis was performed to investigate the evolutionary status and taxon location of C. siamensis. The circular mitochondrial DNA was 16,570 bp in length, and which showed typical piscine structure and arrangement. The overall nucleotide composition was 29.28% A, 24.72% T, 30.71% C, 15.29% G, with 54.1% AT, respectively. Phylogenetic analyses using concatenated amino acid and nucleotide sequences of the 13 protein-coding genes with two different methods (Maximum likelihood and Bayesian analysis) both highly supported C. siamensis belongs to the genus Channa and shows a close relationship with C. micropeltes. These data will provide more useful information for a better understanding of the mitochondrial genomic diversities and evolution in fish as well as novel genetic markers for studying population genetics and species identification.

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