First report of the complete mitochondrial genome and phylogenetic analysis of Aphrodita australis (Aphroditidae, Annelida)

Autor: Zongxing Wang, Xiuqi Li, Zongjun Xu, Hongzhan Liu, Yanan Wang, Fengrong Zheng
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Mitochondrial DNA. Part B. Resources, Vol 4, Iss 2, Pp 4116-4117 (2019)
Druh dokumentu: article
ISSN: 2380-2359
23802359
DOI: 10.1080/23802359.2019.1692712
Popis: In this study, the complete mitochondrial genome of the Aphrodita australis was sequenced. The complete mitochondrial genome was circular and 15,288 bp in length, consisted of a typical set of 13 protein-coding genes (PCGs), 2 ribosomal RNA (rRNA) genes, 22 transfer RNA (tRNA) genes, and 1 non-coding control region. All these genes are in the heavy strand. The non-coding control region is 672 bp in length, and located between tRNA-Ser and tRNA-Leu. The overall nucleotides base composition of the heavy strand is 31.02% for A, 22.76% for C, 12.49% for G, and 33.73% for T, with a slight A + T-rich feature (64.75%). All of the PCGs begin with ATG as their start codon and the cox 3, cytb and nad 3 are terminated with TAA, atp8, nad4, nad 4l, and nad 6 are terminated with TAG, while others are terminated by incomplete codon T. Seen from the phylogenetic tree, A. australis has a more close relationship with Goniada japonica than other species.
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