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Comparative mitogenomics and phylogenetics of the family Carangidae with special emphasis on the mitogenome of the Indian Scad Decapterus russelli

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Relation http://eprints.cmfri.org.in/15889/
https://www.nature.com/articles/s41598-022-09636-5
https://doi.org/10.1038/s41598-022-09636-5
 
Title Comparative mitogenomics and phylogenetics of the family Carangidae with special emphasis on the mitogenome of the Indian Scad Decapterus russelli
 
Creator Jose, Anjaly
Sukumaran, Sandhya
Mukundan, Lakshmi
Raj, Neenu
Mary, Sujitha
Krishnan, Nisha
Gopalakrishnan, A
 
Subject Fish Genetics
Mackerel
Carangids
 
Description Carangids are abundant and commercially important marine fish that contribute to a significant portion of the fisheries in many parts of the world. In the present study, we characterized the complete mitogenome of the Indian scad, Decapterus russelli and performed a comprehensive comparative mitogenomic analysis of the family Carangidae. The comparative mitogenomics provided valuable insights into the structure, variability, and features of the coding and non-coding regions that evolved across species over millions of years. The structural features of tRNAs revealed changes in the frequency of mismatched and wobble base pairs, which is reflected in the base composition of H and L strands. The highly conserved sequence motif of the mTERF binding site in carangids over the ~ 400 MYA of their divergence demonstrated the functional importance of these sites. The control region of carangids was characterized by the presence of discontinuous repeat units with a high rate of sequence divergence in the form of base substitutions, insertions, and deletions. The maintenance of secondary structures in the control region independent of the rapid evolution of primary structure suggested the effect of selective constraints on their maintenance. Maximum likelihood (ML) and Bayesian inference (BI) phylogeny revealed a similar topology consistent with previous taxonomic studies. The extant carangids diverged through the evolutionary events experienced during the Cretaceous, Paleogene, and Neogene periods.
 
Publisher Nature
 
Date 2022
 
Type Article
PeerReviewed
 
Format text
 
Language en
 
Identifier http://eprints.cmfri.org.in/15889/1/Nature%20Scientific%20Reports_2022_Sandhya%20Sukumaran.pdf
Jose, Anjaly and Sukumaran, Sandhya and Mukundan, Lakshmi and Raj, Neenu and Mary, Sujitha and Krishnan, Nisha and Gopalakrishnan, A (2022) Comparative mitogenomics and phylogenetics of the family Carangidae with special emphasis on the mitogenome of the Indian Scad Decapterus russelli. Nature Scientific Reports, 12. pp. 1-17.