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- Title
Comparative Mitogenomic and Phylogentic Analyses of a Schizothoracine Fish, Gymnodiptychus dybowskii from Two Water Systems in Xinjiang.
- Authors
Wei Meng; Tianyan Yang; Yunguo Liu; Mahmut Halik; Tianxiang Gao
- Abstract
Gymnodiptychus dybowskii belonging to subfamily Schizothoracinae is a rare and endangered aboriginal fish in Xinjiang. In this study, the complete mitochondrial genomes of G. dybowskii from Tarim River system (16, 677bp) and Ili River system (16, 667bp) were sequenced. Besides, their genetic characteristics were also identified and compared simultaneously. Genetic distance and sequence differentiation suggested that great genetic variation existed within species and the sample from Kaidu River in South Xinjiang might be a cryptic species or subspecies of G. dybowskii. The phylogenetic analyses from 12 concatenated H-strand-encoding protein genes were conducted by Neighbor-Joining method to reveal the evolutionary relationships within subfamily Schizothoracinae. Three different grades of schizothoracine fishes were well recognized from each other in branching diagram. The primitive group and the specialized group + the highly specialized group constituted a sister relationship with strong supports.
- Subjects
FISH phylogeny; DUAL water systems; RARE fishes; PROTEIN genetics; FISH evolution
- Publication
Pakistan Journal of Zoology, 2018, Vol 50, Issue 6, p2119
- ISSN
0030-9923
- Publication type
Article
- DOI
10.17582/journal.pjz/2018.50.6.2119.2127