The fragmented mitochondrial genomes of two Linognathus lice reveal active minichromosomal recombination and recombination hotspots

Yi-Tian Fu; Renfu Shao; Suleman; Wei Wang; Hui-Mei Wang; Guo-Hua Liu

doi:10.1016/j.isci.2023.107351

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The fragmented mitochondrial genomes of two Linognathus lice reveal active minichromosomal recombination and recombination hotspots

Journal article

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The fragmented mitochondrial genomes of two Linognathus lice reveal active minichromosomal recombination and recombination hotspots

Yi-Tian Fu, Renfu Shao, Suleman, Wei Wang, Hui-Mei Wang and Guo-Hua Liu

iScience, Vol.26(8), pp.1-14

2023

DOI: https://doi.org/10.1016/j.isci.2023.107351

PMCID: PMC10382929

PMID: 37520725

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Abstract

entomology

phylogenetics

genomics

Evidence for recombination between mitochondrial (mt) minichromosomes has been reported in sucking lice, but it is still not clear how frequent mt minichromosomal recombination occurs. To understand mt minichromosomal recombination in sucking lice, we sequenced the mt genomes of the cattle louse Linognathus vituli and the goat louse L. africanus using high-throughput sequencing. Both Linognathus species have 10 mt minichromosomes, and seven of them have the same gene content and gene arrangement. Comparison of mt karyotypes revealed numerous inter-minichromosomal recombination events in the evolution of Linognathus species. Recombination events in the lineage leading to Linognathus lice: merger, duplicate, and translocation. After the divergence of L. vituli and L. africanus, recombination also occurred independently in each species. Many recombination events in the Linognathus species occurred upstream of either cox3 or nad2, indicating these two locations were hotspots for inter-minichromosomal recombination. Our results provide an important perspective on mt evolution in metazoans.

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Title: The fragmented mitochondrial genomes of two Linognathus lice reveal active minichromosomal recombination and recombination hotspots
Authors: Yi-Tian Fu (Author) - Hunan Agricultural University
Renfu Shao (Author) - University of the Sunshine Coast, Queensland, Centre for Bioinnovation
Suleman (Author) - University of Swabi
Wei Wang (Author) - University of the Sunshine Coast, Queensland, Centre for Bioinnovation
Hui-Mei Wang (Author) - Hunan Agricultural University
Guo-Hua Liu (Corresponding Author) - Hunan Agricultural University
Publication details: iScience, Vol.26(8), pp.1-14
Publisher: Cell Press
Date published: 2023
DOI: 10.1016/j.isci.2023.107351
ISSN: 2589-0042
PMID: 37520725; PMC10382929
Copyright note: This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Organisation Unit: School of Science, Technology and Engineering; Centre for Bioinnovation
Language: English
Record Identifier: 99741792402621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Genetics & Heredity

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