Abstract
Mitochondrial (mt) genomes of astigmatid mites typically contain 37 genes for 13 proteins, two ribosomal RNA (rRNA) genes and 22 transfer RNA (tRNA) genes. However, two Tyrophagus mites (Tyrophagus putrescentiae and T. longior) were reported as having lost three tRNAs in their mt genomes. In this study, we sequenced the complete mitochondrial genome of Tyrophagus fanetzhangorum (14,257 bp) and found typical set of mt tRNA genes (22 tRNAs). The gene arrangement of T. fanetzhangorum is consistent with the pattern of possible common ancestor of astigmatid mites. Phylogenetic analyses were conducted using Maximum likelihood (ML) and Bayesian inference (BI) methods. Phylogenetic analysis shows that T. fanetzhangorum is more closely related to T. putrescentiae than to T. longior within the genus Tyrophagus.
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