Journal article
Rearrangement of mitochondrial tRNA genes in flat bugs (Hemiptera: Aradidae)
Scientific Reports, Vol.6(25725), pp.1-9
2016
Abstract
The typical insect mitochondrial (mt) genome organization, which contains a single chromosome with 37 genes, was found in the infraorder Pentatomomorpha (suborder Heteroptera). The arrangement of mt genes in these true bugs is usually the same as the ancestral mt gene arrangement of insects. Rearrangement of transfer RNA (tRNA) genes, however, has been found in two subfamilies of flat bugs (Mezirinae and Calisiinae, family Aradidae). In this study, we sequenced the complete mt genomes of four species from three other subfamilies (Aradinae, Carventinae and Aneurinae). We found tRNA gene rearrangement in all of these four species. All of the rearranged tRNA genes are located between the mitochondrial control region and cox1, indicating this region as a hotspot for gene rearrangement in flat bugs; the rearrangement is likely caused by events of tandem duplication and random deletion of genes. Furthermore, our phylogenetic and dating analyses indicated that the swap of positions between trnQ and trnI occurred ~162 million years ago (MYA) in the most recent common ancestor of the five subfamilies of flat bugs investigated to date, whereas the swap of positions between trnC and trnW occurred later in the lineage leading to Calisiinae, and the translocation of trnC and trnY occurred later than 134 MYA in the lineage leading to Aradinae.
Details
- Title
- Rearrangement of mitochondrial tRNA genes in flat bugs (Hemiptera: Aradidae)
- Authors
- Fan Song (Author) - China Agricultural University, ChinaHu Li (Author) - China Agricultural University, ChinaRenfu Shao (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and EngineeringAimin Shi (Author) - China Agricultural University, ChinaXiaoshuan Bai (Author) - Inner Mongolia Normal University, ChinaZiaorong Zheng (Author) - China Agricultural University, ChinaErnst Heiss (Author) - Tiroler Landesmuseum, AustriaWanzhi Cai (Author) - China Agricultural University, China
- Publication details
- Scientific Reports, Vol.6(25725), pp.1-9
- Publisher
- Nature Publishing Group
- Date published
- 2016
- DOI
- 10.1038/srep25725
- ISSN
- 2045-2322
- Copyright note
- Copyright © 2016 The Authors. This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
- Organisation Unit
- School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering; Centre for Bioinnovation
- Language
- English
- Record Identifier
- 99449529702621
- Output Type
- Journal article
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