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Complete mitochondrial genome of the Critically Endangered speartooth shark Glyphis glyphis (Carcharhiniformes: Carcharhinidae)

2013; Taylor & Francis; Volume: 25; Issue: 6 Linguagem: Inglês

10.3109/19401736.2013.809443

1940-1744

Xiao Chen, Min Liu, Peter M. Grewe, Peter M. Kyne, Pierre Feutry,

Genomics and Phylogenetic Studies

In this study we present the first complete mitogenome for the speartooth shark Glyphis glyphis, a rare euryhaline elasmobranch from northern Australia and Papua New Guinea. The mitogenome is 16,702 bp in length and the overall base composition is 31.5% A; 26.0% C; 13.0% G and 29.5% T. It includes 2 ribosomal RNA (rRNA) genes, 22 transfer RNA (tRNA) genes, 13 protein-coding genes and a putative 1066 bp long control region. The COI gene is initiated by GTG codon whereas the remaining protein-coding genes started with the ATG codon. This study will help elucidate the taxonomy of this poorly known group of sharks.