The complete mitochondrial genome of Acropora aculeus (cnidaria, scleractinia, acroporidae)

Abstract

The mitochondrial genome is typically a single circular chromosome in eukaryotes. In the present study, the sequenced mitochondrial genome of Acropora aculeus was of 18 532 bp in length, and encoded thirteen typical protein-coding genes, two ribosomal RNA genes, and two transfer RNA genes. All genes except trnM, rrnL, trnW, atp8, and cox2 were engulfed by the large intron of the nad5 gene. A unique initiation codon TTG presented in the nad3 gene. In the phylogenic tree, the tree length of genus Montipora/Astreopora was longest among all genus pairwise comparisons in the family Acroporidae, and it was also longer than the tree length of A. aculeus/other species. These results suggested that the mitochondrial genome evolution of genus Astreopora could be fastest in the family Acroporidae.

Keywords:

• Acropora aculeus
• coral
• genome organization
• mitochondrial genome

Declaration of interest

The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper. The research was funded by Midwestern construction projects in Hainan University (ZXBJH-XK006).