Dataset Information

Sequencing and analysis of the complete mitochondrial genome in Anopheles culicifacies species B (Diptera: Culicidae).

ABSTRACT: The complete mitochondrial genome sequence of Anopheles culicifacial species B was sequenced in this study. The length of the mitochondrial genome is 15?330?bp, which contains 13 protein-coding genes (PCGs), 22 tRNA genes, two rRNA genes, and a non-coding control region. The gene order and the gene composition are consistent with those previously reported for other mosquito species. The initiation codon of the PCGs complies with the ATN rule except for COI using TCG and ND5 using GTG as a start codon, and the termination codon is TAA or imcomplete, an only T. The total base composition is 40.4% A, 38.1% T, 12.4% C, and 9.1% G. The phylogenetic tree based on the sequences of 13 protein-coding genes showed that these species were classified into two clades, corresponding to the subgenus Cellia and subgenus Nyssorhynchus. An. culicifacies species B of Myzomyia Series was clustered with An. gambiae of Pyretophorus Series with a high bootstrap value of 100%. The complete mitogenome data can provide a basis for molecular identification and phylogenetic studies of mosquito species.

SUBMITTER: Hua YQ

PROVIDER: S-EPMC4902849 | biostudies-literature | 2016 Jul

REPOSITORIES: biostudies-literature

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Publications

Sequencing and analysis of the complete mitochondrial genome in Anopheles culicifacies species B (Diptera: Culicidae).

Hua Ya-Qiong YQ Yan Zhen-Tian ZT Fu Wen-Bo WB He Qi-Yi QY Zhou Yong Y Chen Bin B

Mitochondrial DNA. Part A, DNA mapping, sequencing, and analysis 20150626 4

The complete mitochondrial genome sequence of Anopheles culicifacial species B was sequenced in this study. The length of the mitochondrial genome is 15 330 bp, which contains 13 protein-coding genes (PCGs), 22 tRNA genes, two rRNA genes, and a non-coding control region. The gene order and the gene composition are consistent with those previously reported for other mosquito species. The initiation codon of the PCGs complies with the ATN rule except for COI using TCG and ND5 using GTG as a start ...[more]

PMID: 26114319

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Project description:Some species of the Hyrcanus group are vectors of malaria in China. However, the member species are difficult to identify accurately by morphology. The development of sequencing technologies offers the possibility of further studies based on the complete mitochondrial genome. In this study, samples of mosquitoes of the Hyrcanus group were collected in China between 1997 and 2015. The mitochondrial genomes of ten species of the Hyrcanus group were analyzed, including the structure and base composition, codon usage, secondary structure of tRNA, and base difference sites in protein coding regions. Phylogenetic analyses using maximum-likelihood and Bayesian inference were performed based on mitochondrial genes and complete mitochondrial genomes The mitochondrial genome of 10 Hyrcanus group members ranged from 15,403 bp to 15,475 bp, with an average 78.23% (A + T) content, comprising of 13 PCGs (protein coding genes), 22 tRNAs, and 2 rRNAs. Site differences between some closely related species in the PCGs were small. There were only 36 variable sites between Anopheles sinensis and Anopheles belenrae for a variation ratio of 0.32% in all PCGs. The pairwise interspecies distance based on 13 PCGs was low, with an average of 0.04. A phylogenetic tree constructed with the 13 PCGs was consistent with the known evolutionary relationships. Some phylogenetic trees constructed by single coding regions (such as COI or ND4) or combined coding regions (COI + ND2 + ND4 + ND5 or ND2 + ND4) were consistent with the phylogenetic tree constructed using the 13 PCGs. The phylogenetic trees constructed using some coding genes (COII, ND5, tRNAs, 12S rRNA, and 16S rRNA) differed from the phylogenetic tree constructed using PCGs. The difference in mitochondrial genome sequences between An. sinensis and An. belenrae was very small, corresponding to intraspecies difference, suggesting that the species was in the process of differentiation. The combination of all 13 PCG sequences was demonstrated to be optimal for phylogenetic analysis in closely related species.

Dataset Information

Sequencing and analysis of the complete mitochondrial genome in Anopheles culicifacies species B (Diptera: Culicidae).

Publications

Sequencing and analysis of the complete mitochondrial genome in Anopheles culicifacies species B (Diptera: Culicidae).

Similar Datasets

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