Characterization of the Complete Mitochondrial Genome of Arius dispar (Siluriformes: Ariidae) and Phylogenetic Analysis Among Sea Catfishes

Abstract

The mitochondrial genome (mitogenome) was 16792 bp in length, containing 13 protein coding genes (PCGs), two rRNA genes ( 12S rRNA and 16S rRNA), 22 tRNA genes, and two main non-coding regions. Among these 37 genes, 28 genes were encoded on the heavy strand, while 9 genes were transcribed on the light strand. The non-coding regions of A. dispar included a control region, a light strand replication and another 11 intergenic spacers. The CR of A. dispar contained 8 conserved sequence blocks (CSBs), a termination-associated sequence (TAS) and a pyrimidine tract. Phylogenetic analysis based on 12 PCGs revealed that A. dispar was genetically closest to Arius arius. The families Schilbeidae, Claroteidae, Mochokidae, and Ariidae formed a closely evolved clade. Molecular information from this research introduces mitogenomice data of A. dispar and suggests the phylogenetic relationships among Siluriformes.

Journal

Journal ID (publisher-id): JOUC

Title: Journal of Ocean University of China

Publisher: Science Press and Springer (China )

ISSN (Electronic): 1672-5182

Publication date (Electronic): 02 September 2020

Publication date (Print): 01 October 2020

Volume: 19

Issue: 5

Pages: 1198-1206

Affiliations

¹Research Center of Harmful Algae and Marine Biology, Jinan University, Guangzhou 510632, China

²Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes, Jinan University, Guangzhou 510632, China

³Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 519000, China

Author notes

*Corresponding author: LU Songhui, Tel: [phone], E-mail: lusonghui1963@ 123456163.com

# The two authors contributed equally to this work.

Article

Publisher ID: s11802-020-4409-1

DOI: 10.1007/s11802-020-4409-1

Copyright statement: Copyright © Ocean University of China, Science Press and Springer-Verlag GmbH Germany 2020.

License:

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Product

Self URI (journal-page): https://www.springer.com/journal/11802