Dataset Information

The complete mitogenome and phylogeny analysis of Pareuchiloglanis longicauda (Yue, 981) (Siluriformes: Sisoridae).

ABSTRACT: Pareuchiloglanis longicauda, a Sisorid fish that is distributed in the upper Pearl River. In this study, the complete mitogenome of P. longicauda was sequenced using traditional Sanger sequencing approach. The 16,588 bp genome was consisted of 2 rRNAs, 22tRNAs, 13 protein-coding genes (PCGs) and 1 control region. The 13 PCGs started with a traditional ATG and end with stop codon TAA, TAG, TGA, TA or a single T base. Phylogenetic analysis based on 13 PCGs from 22 species using maximum-likelihood method produced three major clades (Clade I, II and III). Unexpectedly, our mitogenome exhibited only 92.12% identity to the previously published one (GenBank accession no. KP872693) with differences mainly located in the gene region. Furthermore, Pareuchiloglanis did not form a monophyletic genus and P. longicauda had the closest relationship with P. macrotrema. The result suggested that more complete mitogenomes are needed to reveal the phylogenetic placement of Pareuchiloglanis in the family Sisoridae.

SUBMITTER: Dai W

PROVIDER: S-EPMC8635575 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature

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Publications

The complete mitogenome and phylogeny analysis of Pareuchiloglanis longicauda (Yue, 981) (Siluriformes: Sisoridae).

Dai Wei W Yin Zhihong Z Li Nannan N Ye Shuifeng S

Mitochondrial DNA. Part B, Resources 20211126 12

Pareuchiloglanis longicauda, a Sisorid fish that is distributed in the upper Pearl River. In this study, the complete mitogenome of P. longicauda was sequenced using traditional Sanger sequencing approach. The 16,588 bp genome was consisted of 2 rRNAs, 22tRNAs, 13 protein-coding genes (PCGs) and 1 control region. The 13 PCGs started with a traditional ATG and end with stop codon TAA, TAG, TGA, TA or a single T base. Phylogenetic analysis based on 13 PCGs from 22 species using maxim ...[more]

PMID: 34869876

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Project description:A very significant part of the world's freshwater ichthyofauna is represented by ancient, exceptionally diverse and cosmopolitan ray-finned teleosts of the order Siluriformes. Over the years, catfish have been established as an exemplary model for probing historical biogeography at various scales. Yet, several tantalizing gaps still exist in their phylogenetic history, timeline and mode of diversification. Here, we re-examine the phylogeny of catfish by assembling and analyzing almost all publicly available mitogenome data. We constructed an ingroup matrix of 62 full-length mitogenome sequences from 20 catfish families together with four cypriniform outgroups, spanning 15,557 positions in total. Partitioned maximum likelihood analyses and Bayesian relaxed clock dating using fossil age constraints provide some useful and novel insights into the evolutionary history of this group. Loricarioidei are recovered as the first siluriform group to diversify, rendering Neotropics the cradle of the order. The next deepest clade is the South American Diplomystoidei placed as a sister group to all the remaining Siluroidei. The two multifamilial clades of "Big Asia" and "Big Africa" are also recovered, albeit nodal support for the latter is poor. Within "Big Asia", Bagridae are clearly polyphyletic. Other interfamilial relationships, including Clariidae + Heteropneustidae, Doradidae + Auchenipteridae and Ictaluridae + Cranoglanididae are robustly resolved. Our chronogram shows that siluriforms have a Pangaean origin, at least as far back as the Early Cretaceous. The inferred timeline of the basal splits corroborates the "Out-of-South America" hypothesis and accords well with the fossil record. The divergence of Siluroidei most likely postdated the final separation of Africa and South America. An appealing case of phylogenetic affinity elaborated by biogeographic dispersal is exemplified by the Early Paleogene split between the Southeast Asian Cranoglanididae and Ictaluridae, with the latter radiating into North America's freshwater realm by Eocene. The end of Cretaceous probably concludes the major bout of diversification at the family level while with the dawn of the Cenozoic a prolific radiation is evident at the generic level.

Dataset Information

The complete mitogenome and phylogeny analysis of Pareuchiloglanis longicauda (Yue, 981) (Siluriformes: Sisoridae).

Publications

The complete mitogenome and phylogeny analysis of <i>Pareuchiloglanis longicauda</i> (Yue, 981) (Siluriformes: Sisoridae).

Similar Datasets

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