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Int J Biol Macromol. 2018 May;111:787-795. doi: 10.1016/j.ijbiomac.2018.01.016. Epub 2018 Jan 5.

Higher tRNA gene duplication in mitogenomes of praying mantises (Dictyoptera, Mantodea) and the phylogeny within Mantodea.

Author information

1
College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, Zhejiang Province, China.
2
College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, Zhejiang Province, China; Key Lab of Wildlife Biotechnology, Conservation and Utilization of Zhejiang Province, Zhejiang Normal University, Jinhua, Zhejiang Province, China.
3
Department of Biology, Carleton University, Ottawa K1S 5B6, Ontario, Canada.
4
College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, Zhejiang Province, China; Key Lab of Wildlife Biotechnology, Conservation and Utilization of Zhejiang Province, Zhejiang Normal University, Jinhua, Zhejiang Province, China; Department of Biology, Carleton University, Ottawa K1S 5B6, Ontario, Canada. Electronic address: zhangjiayong@zjnu.cn.

Abstract

We acquired 21 complete mitogenomes and 6 nearly complete mitogenomes of mantises belonging to 8 families (Hymenopodidae, Iridopterygidae, Mantidae, Metallyticidae, Sibyllidae, Tarachodidae, Thespidae, Toxoderidae) using 14 pairs of mantid specific primer sets and found that 5 species of mantises have duplicate copies (2-4) of trnR: Ambivia undata, Creobroter jiangxiensis, Creobroter urbanus, Phyllothelys sp1. and Theopropus elegans while two novel gene arrangements CR-I-NCR-I-NCR-I-NCR-I-NCR-I-NCR*-Q-M and COII-K*-D*-K-D*-K-D*-K-D were found in Schizocephala bicornis and Stenotoxodera porioni, respectively. The multiple copies of trnR are caused by independent duplications. The gene arrangements in Stenotoxodera porioni with three identical copies of trnK can be explained as mid-way through the TDRL process while the form of gene arrangement in Schizocephala bicornis is unclear. In the phylogeny at the family level, the monophyly of Liturgusidae and Iridopterygidae was supported, whereas the monophyly of Hymenopodidae, Mantidae and Tarachodidae wasn't. The features of mantis mitochondrial genomes including high duplication rates of trnR, trnK and trnI indicate that Mantodea mitochondrial genomes maybe a useful model system for studying gene duplication. However, derived gene arrangements may not be appropriate for phylogenetic inference in Mantodea as they aren't synapomorphy and aren't shared by close relatives.

KEYWORDS:

Gene duplication; Mantodea; Mitochondrial genome; Phylogeny

PMID:
29307803
DOI:
10.1016/j.ijbiomac.2018.01.016
[Indexed for MEDLINE]

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