Abstract
The complete mitochondrial genome (mitogenome) of Gomphocerus sibiricus, consisting of 15,590 bp, was determined and analyzed. It displays typical genome organization found in other Caelifera mitogenomes: 13 protein-coding genes, 22 transfer RNA genes, two ribosomal RNA genes and one A+T rich region. In this paper, we focused on the comparative analyses of mitogenomes from four Gomphocerinae taxa to find characteristics of nucleotide composition and overlapping and non-coding regions. In addition, we compared variable sites in the structure of 22 tRNAs and two rRNAs, and differences in some common conserved elements of A+T rich regions. Furthermore, we analyzed phylogenetic relationships of 12 Caelifera species using maximum likelihood (ML) and Bayesian inference (BI) based on two different datasets from mitogenomes. Our results reveal that G. sibiricus has a close relationship with Gomphocerus licenti of the four Gomphocerinae taxa examined in these analyses.
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