The complete mitochondrial genome of Nematobrycon palmeri (Characiformes:Nematobrycon) and phylogenetic studies of Characidaes.

ABSTRACT: Complete mitochondrial genome of the Characiform fish Nematobrycon palmeri was characterized in the present study. The whole mitogenome was 17,340 bp in size and the proportion of coding sequences with a total length of 11,448 bp was 66.02%, which encodes 3805 amino acids. The base composition of the genome was 30.92% for A, 23.92% for C, 14.88% for G, and 30.28% for T. All protein-coding genes were started with ATG, CO1 and ATP8 ended by AGG, TAG respectively, whereas CO2, ATP6, ND4 ended by a single T, the other PCGs commonly ended by TAA. The length of 12S and 16S ribosomal RNA was 949 bp and 1675 bp, respectively. The control region (D-loop) ranging from 15,654 bp to 17,340 bp was 1687 bp in size. It showed negative GC skew value (-0.2329) and positive AT skewness (0.0105). Phylogenetic analysis showed that N. palmeri was most closely related to Gephyrocharax atracaudatus. The complete mitochondrial genome sequence would provide a new insight into taxonomic classification, and help to draw a more complete picture of species diversity within the Characidae.

SUBMITTER: Wang Q 

PROVIDER: S-EPMC7782840 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature