The complete mitochondrial genomes of three grasshoppers, Asiotmethis zacharjini, Filchnerella helanshanensis and Pseudotmethis rubimarginis (Orthoptera: Pamphagidae)
2013
Zhang, Hong-Li | Zeng, Hui-Hua | Huang, Yuan | Zheng, Zhe-Min
The complete mitogenomes of Asiotmethis zacharjini, Filchnerella helanshanensis and Pseudotmethis rubimarginis are 15,660bp, 15,657bp and 15,661bp in size, respectively. All three mitogenomes contain a standard set of 13 protein - coding genes, 22 transfer RNA genes (tRNAs), 2 ribosomal RNA genes (rRNAs) and an A+T-rich region in the same order as those of the other analysed caeliferan species, including the rearrangement of trnAsp and trnLys. The putative initiation codon for the cox1 gene in the three species is CCG. The long polythymine stretch (T-stretch) in the A+T-rich region of the three species is not adjacent to the trnIle but inside the stem–loop sequence in the majority strand. The mitogenomes of F. helanshanensis and P. rubimarginis have higher overall similarities. The characterization of the three mitogenomes will enrich our knowledge on the Pamphagidae mitogenome. The phylogenetic analyses indicated that within the Caelifera, Pyrgomorphoidea is a sister group to Acridoidea. The species from the Pamphagidae form a monophyletic group, as is the case for Acrididae. Furthermore, the two families cluster as sister groups, supporting the monophyly of Acridoidea. The relationships among eight acridid subfamilies were (Cyrtacanthacridinae+(Calliptaminae+(Catantopinae+(Oxyinae+(Melanopline+(Acridinae+(Oedipodinae+Gomphocerinae))))))).
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