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Article

The Complete Mitochondrial Genome of the Chicken Body Louse, Menacanthus cornutus, and Evolutionary Patterns of Extensive Gene Rearrangements in the Mitochondrial Genomes of Amblycera (Psocodea: Phthiraptera)

Department of Entomology and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, China
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Author to whom correspondence should be addressed.
Genes 2022, 13(3), 522; https://doi.org/10.3390/genes13030522
Submission received: 25 February 2022 / Revised: 11 March 2022 / Accepted: 12 March 2022 / Published: 16 March 2022
(This article belongs to the Special Issue Phylogeny and Genetic Diversity of Insects)

Abstract

Animal mitochondrial (mt) genomes are typically double-strand circular DNA molecules, but diverse structural variations have been widely found in multiple groups. In parasitic lice (Phthiraptera), the structure of mt genomes varies remarkably across all five suborders. In this study, we reported the complete mt genome of a chicken body louse, Menacanthus cornutus, which has a typical single circular mt chromosome and drastic mt gene rearrangements. This mt genome is 15,693 bp in length, consisting of 13 protein-coding genes, 23 tRNA genes, 2 rRNA genes, and a control region. A comparison with a typical insect mt genome suggested that two highly similar trnM are present in the mt genome of M. cornutus. Moreover, almost every single gene was rearranged, and over half of mt genes were inverted. Phylogenetic analyses inferred from the mt genome sequences supported the monophyly and position of Amblycera. Mapped over the phylogenetic relationships of Amblycera, we identified two inversion events for the conserved gene blocks in Boopidae and Menoponidae. The inverted ND4L-ND4 was likely a synapomorphic rearrangement in Menoponidae. Our study demonstrated the importance of sequencing mt genomes for additional taxa to uncover the mechanism underlying the structural evolution of the mt genome in parasitic lice.
Keywords: Menacanthus cornutus; mitochondrial genome; gene rearrangement; evolution Menacanthus cornutus; mitochondrial genome; gene rearrangement; evolution

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MDPI and ACS Style

Gong, S.; Xu, Y.; Xu, S.; Liang, Y.; Tian, L.; Cai, W.; Li, H.; Song, F. The Complete Mitochondrial Genome of the Chicken Body Louse, Menacanthus cornutus, and Evolutionary Patterns of Extensive Gene Rearrangements in the Mitochondrial Genomes of Amblycera (Psocodea: Phthiraptera). Genes 2022, 13, 522. https://doi.org/10.3390/genes13030522

AMA Style

Gong S, Xu Y, Xu S, Liang Y, Tian L, Cai W, Li H, Song F. The Complete Mitochondrial Genome of the Chicken Body Louse, Menacanthus cornutus, and Evolutionary Patterns of Extensive Gene Rearrangements in the Mitochondrial Genomes of Amblycera (Psocodea: Phthiraptera). Genes. 2022; 13(3):522. https://doi.org/10.3390/genes13030522

Chicago/Turabian Style

Gong, Siyu, Ye Xu, Shiwen Xu, Yanxin Liang, Li Tian, Wanzhi Cai, Hu Li, and Fan Song. 2022. "The Complete Mitochondrial Genome of the Chicken Body Louse, Menacanthus cornutus, and Evolutionary Patterns of Extensive Gene Rearrangements in the Mitochondrial Genomes of Amblycera (Psocodea: Phthiraptera)" Genes 13, no. 3: 522. https://doi.org/10.3390/genes13030522

APA Style

Gong, S., Xu, Y., Xu, S., Liang, Y., Tian, L., Cai, W., Li, H., & Song, F. (2022). The Complete Mitochondrial Genome of the Chicken Body Louse, Menacanthus cornutus, and Evolutionary Patterns of Extensive Gene Rearrangements in the Mitochondrial Genomes of Amblycera (Psocodea: Phthiraptera). Genes, 13(3), 522. https://doi.org/10.3390/genes13030522

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