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Abstract
The complete mitochondrial genome (mitogenome) sequence of Triphysa phryne (Lepidoptera: Nymphalidae: Satyrinae) was determined in this study. The mitogenome is 15,143 bp in length, containing 37 typical animal mitochondrial genes: 13 putative protein-coding genes (PCGs), 2 ribosomal RNAs, 22 transfer RNAs and a non-coding AT-rich region. Its gene content and order are identical to those of other lepidopteran mitogenomes. All protein-coding genes (PCGs) are initiated by ATN codons, except for COI gene which uses CGA as its start codon. Nine PCGs terminate in the common stop TAA, whereas the COI, COII, ND5 and ND4 genes end with single T. All tRNA genes showed typical secondary cloverleaf structures except for the tRNASer(AGN), which has a simple loop with the absence of its DHU stem. The 316 bp AT-rich region contains several features common to the other lepidopterans, such as the motif ATAGA followed by an 19-bp poly-T stretch and two microsatellite-like (TA)8(AT) and (TA)4 elements preceded by the ATTTA motif.
Declaration of interest
The authors report no conflict of interest. The authors alone are responsible for the content and writing of this paper. This work was supported by the National Science Fundation of China (Grant No. 41172004) and the Opening Funds from the State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences (Grant No. 104143).