Journal Article
The Complete Mitochondrial Genomes of Three Imperiled Cyprinid Fishes: Bonytail (Gila elegans), Rio Grande Silvery Minnow (Hybognathus amarus) and Loach Minnow (Tiaroga cobitis)
Date: 2020/06/08
Author(s): Osborne, M. J., A. C. Cameron, B. P. Fitzgerald, S. A. McKitrick, M. R. Paulk, and T. F. Turner
Publication: Mitochondrial DNA Part B, v. 5
URL: https://doi.org/10.1080/23802359.2020.1774435
DOI: 10.1080/23802359.2020.1774435
Abstract:
Gila elegans, Hybognathus amarus, and Tiaroga cobitis (Family Cyprinidae, Order Cypriniformes) are endemic and endangered fishes in the southwestern United States. We present complete mitochondrial genomes for each species. Each mitochondrion consisted of 13 protein-coding genes, 2 ribosomal (rRNA) genes, 22 transfer RNA (tRNA) genes, and a single control region (D-loop), and gene order was consistent with other cyprinid fishes. Total genome lengths were 16,593 base pairs (bp) for G. elegans, 16,705 bp for H. amarus, and 16,802 for T. cobitis. The GC content in G. elegans and H. amarus was 44%, but higher in T. cobitis at 48%. Phylogenetic trees were generated to confirm relationships inferred via novel mitogenomes, and best-supported trees were consistent with previous research.
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