Abstract

The complete mitogenome of Cyclosa japonica (GenBank accession number MK512575) is 14,687 bp in length, containing 13 protein-coding genes (PCGs), 22 transfer RNA genes (tRNAs), 2 ribosomal RNA genes, and a putative control region. Its gene content and organization are identical with other spider mitogenomes. The overall base composition was as follows: A (35.61%), T (37.35%), C (10.87%), and G (16.18%), with an A + T bias (72.96%). Seven tRNAs (trnM, trnW, trnK, trnE, trnF, trnH, and trnT) lacked the TΨC arm stem, while two tRNAs (trnS1 and trnS2) lacked the dihydrouracil (DHU) arm. Phylogenetic tree based on concatenated amino acid sequences of 13 PCGs shows that C. japonica is closely related to Cyclosa argenteoalba, which accord with morphological classification.

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