Comparative analysis of the two suborders of Thysanoptera and characterization of the complete mitochondrial genome of Thrips parvispinus

Thrips parvispinus is a serious sucking pest on a number of economically important crops in the oriental region. It has gained importance recently for its drastic range extension distribution as an invasive pest. Here, the complete mitochondrial genome (15,067 bp) of Thrips parvispinus was sequenced...

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Bibliographic Details
Published in:Archives of insect biochemistry and physiology 2023-10, Vol.114 (2), p.e22010-15
Main Authors: Pakrashi, Avas, Patidar, Abhishek, Singha, Devkant, Kumar, Vikas, Tyagi, Kaomud
Format: Article
Language:English
Subjects:
Asymmetry
Bats
Bias
Comparative analysis
Food chains
Genes
Genomes
Idolothripinae
Invasive species
Mitochondria
Nucleotides
Pests
Phlaeothripinae
Phylogenetics
Phylogeny
Principal components analysis
Proteins
Range extension
Terebrantia
Thrips parvispinus
Tubulifera
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Summary:Thrips parvispinus is a serious sucking pest on a number of economically important crops in the oriental region. It has gained importance recently for its drastic range extension distribution as an invasive pest. Here, the complete mitochondrial genome (15,067 bp) of Thrips parvispinus was sequenced and characterized. It possesses 37 genes and the putative noncoding region is duplicated. Comparative analyses of nucleotide diversity, skewness, codon usage bias, and selection pressure in mitochondrial protein-coding genes of the available 31 thrips mitogenomes (24 Terebrantia + 7 Tubulifera) were performed. Phylogenetic analysis showed a sister relationship of T. parvispinus to the clade (T. florum + T. hawaiiensis). Phylogenetic analyses formed the monophyly of subfamilies Phlaeothripinae and Idolothripinae within the family Phlaeothripidae (Suborder Tubulifera). Low nucleotide diversity was indicative of reversal of strand asymmetry in the Tubulifera. Neutrality analysis showed that directional mutation plays a major role in shaping codon usage bias in both suborders. Principal component analysis indicated distinct codon usage patterns in each suborder. Our data suggested weaker selection constrains on Terebrantia than in the Tubulifera. More tubuliferan mitogenomes are required to resolve previous classification hypotheses and elucidate genome evolution in these two suborders.
ISSN:0739-4462
1520-6327
DOI:10.1002/arch.22010