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Biological Research

Print version ISSN 0716-9760


WILHELM, VIVIAN et al. The complete sequence of the mitochondrial genome of the Chinook salmon, Oncorhynchus tshawytscha. Biol. Res. [online]. 2003, vol.36, n.2, pp.223-231. ISSN 0716-9760.

The complete sequence of the mitochondrial genome of Chinook salmon, Oncorhynchus tshawytscha, has been determined. The circular genome consisting of 16,644 base pairs encodes thirteen proteins, the 12S and 16S ribosomal RNAs, and 22 transfer RNAs. These genes are ordered in the same way as most other vertebrates. The nucleotide and amino acid sequences of the ribosomal RNAs and the thirteen protein-coding genes were compared with those of other salmonids such as Oncorhynchus mykiss, Salmo salar, Salvelinus fontinalis, Salvelinus alpinus and Coregonus lavaretus. The sequence features of the control region (D-loop), the origin of L-strand replication and a putative peptide codified by the 16S mitochondrial RNA are described and discussed.

Keywords : Salmonids; Mitochondria; Genome; Peptides; 16S rRNA.

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