De novo sequence of the mitochondrial genome of Tyrophagus putrescentiae (Acari: Sarcoptiformes) including 22 tRNA sequences and the largest non-coding region
Experimental and Applied Acarology(2020)
Abstract
In this study, we de novo sequenced and analyzed the circular mitochondrial genome (mitogenome) of Tyrophagus putrescentiae . It was 14,156 bp long and contained a complete set of 37 genes, contrary to the initial published sequences; it included 22 tRNA sequences and the largest non-coding region. The mtDNA gene order of T. putrescentiae was found to be identical to that of Aleuroglyphus ovatus , Caloglyphus berlesei , and Rhizoglyphus robini (all Acaroidea). Most tRNAs of T. putrescentiae lack at least a D-arm or T-arm. Tyrophagus putrescentiae tRNAs also shared considerable structural and sequence similarity with the tRNAs of other reported Acaroidea species that have the full set of tRNAs. The largest non-coding region was located between trnF and trnS1 , and it contained a microsatellite-like (AT) n sequence, short palindromic sequences, and several hairpin loops, as observed in other reported Acaroidea species (excepting Tyrophagus longior ).
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Key words
Mitochondrial genome,De novo sequence,tRNA structure,Largest non-coding region,Tyrophagus putrescentiae
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