Phylogenetic meta-analysis of the Cyprinidae (Teleostei: Cypriniformes) family using mitochondrial cytochrome b region

Hegedűs, Bettina and Bagi, Zoltán and Kusza, Szilvia (2024) Phylogenetic meta-analysis of the Cyprinidae (Teleostei: Cypriniformes) family using mitochondrial cytochrome b region. ÁLLATTENYÉSZTÉS ÉS TAKARMÁNYOZÁS, 73 (2). pp. 81-97. ISSN 0230-1814

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Abstract

In this study, phylogenetic relationships were investigated within the Cyprinidae family. This is the largest taxonomic group of freshwater fishes, which therefore has ecological and economic importance. Sequences of the mitochondrial cytochrome b (cyt b) region were collected from the NCBI (National Center for Biotechnology Information) database, which was screened to identify a total of 1,025 sequences belonging to 219 species of the Cyprinidae family, which were contained to 684 haplotypes. The results of the meta-analyses showed that species of fish belonging to different subfamilies were well separated in their haplotypes (apart from 1), while those belonging to the same or closely related species have shared identical haplotypes. In some cases (n=12), haplotypes belonging to more than one species were found. In this sense, although the exact relationship between subfamilies and other groups is controversial in several instances, this study has addressed several phylogenetic issues as well as discussed and supported theories proposed in the literature. However, it confirmed that taxonomic classifications within the Cyprinidae family are still generally correct. To the best of our knowledge, this study is the first attempt to analyse the mitochondrial cytochrome b region in sequences of the Cyprinidae family available from the NCBI database by phylogenetic analysis.

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