Low-coverage genome sequencing yields the complete mitogenome of Pyjama slug, Chromodoris quadricolor (Mollusca: Chromodorididae)

Abstract

In this study, the complete mitogenome sequence of Pyjama Slug, Chromodoris quadricolor (Mollusca: Chromodorididae), has been decoded for the first time by low-coverage genome-sequencing method. The overall base composition of C. quadricolor mitogenome is 30.6% for A, 14.4% for C, 17.8% for G and 37.2% for T and has low GC content of 32.2%. The assembled mitogenome, consisting of 14 259 bp, has unique 13 protein-coding genes (PCGs), 22 transfer RNAs and two ribosomal RNAs genes. The C. quadricolor mitogenome has the common mitogenome gene organization and feature of Nudipleura (a clade of sea slugs and sea snails). The complete mitogenome provides essential and important DNA molecular data for further evolutionary analysis for sea slugs and sea snails.