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Published VersionCC BY V4.0, Open Access
Journal article
The fragmented mitochondrial genomes of two Linognathus lice reveal active minichromosomal recombination and recombination hotspots
iScience, Vol.26(8), pp.1-14
2023
Abstract
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.
Details
- Title
- The fragmented mitochondrial genomes of two Linognathus lice reveal active minichromosomal recombination and recombination hotspots
- Authors
- Yi-Tian Fu (Author) - Hunan Agricultural UniversityRenfu Shao (Author) - University of the Sunshine Coast, Queensland, Centre for BioinnovationSuleman (Author) - University of SwabiWei Wang (Author) - University of the Sunshine Coast, Queensland, Centre for BioinnovationHui-Mei Wang (Author) - Hunan Agricultural UniversityGuo-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
- 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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