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Abstract
In this study, we determined the complete mitochondrial genome of the little squid (Loligo duvaucelii). The genome is 17,413 bp in length, containing 13 protein-coding genes, 22 transfer RNA genes, 2 ribosomal RNA genes and 3 main non-coding regions. The overall base composition of L. duvaucelii is 40.01% A, 32.33% T, 19.14% C and 8.52% G, with a high A + T bias of 72.34%. All of the three control regions (CR) contain termination-associated sequences and conserved sequence blocks. Here, we describe a phylogenetic analysis of 10 species of Cephalopoda based on the complete mitochondrial genome, the result showed that the Loliolus uyii is most closely related to L. duvaucelii. This mitogenome sequence data would play an important role in the investigation of phylogenetic relationship, taxonomic resolution and phylogeography of the Cephalopoda.
Declaration of interest
The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper. This study was supported by National Project of Scientific and Technical Supporting Programs Funded by Ministry of Science & Technology of China (No. 2011BAD13B08); Public science and technology research funds projects of ocean (No. 201405014); Major projects of Zhejiang ocean University (No. X12D01).