Dataset Information

Mitochondrial genome of the garfish Hyporhamphus quoyi (Beloniformes: Hemiramphidae) and phylogenetic relationships within Beloniformes based on whole mitogenomes.

ABSTRACT: Mitochondrial DNA (mtDNA) can provide genome-level information (e.g. mitochondrial genome structure, phylogenetic relationships and codon usage) for analyzing molecular phylogeny and evolution of teleostean species. The species in the order Beloniformes have commercial importance in recreational fisheries. In order to further clarify the phylogenetic relationship of these important species, we determined the complete mitochondrial genome (mitogenome) of garfish Hyporhamphus quoyi of Hemiramphidae within Beloniformes. The mitogenome was 16,524 bp long and was typical of other teleosts mitogenomes in size and content. Thirteen PCGs started with the typical ATG codon (with exception of the cytochrome coxidase subunit 1 (cox1) gene with GTG). All tRNA sequences could be folded into expected cloverleaf secondary structures except for tRNASer (AGN) which lost a dihydrouracil (DHU) stem. The control region was 866 bp in length, which contained some conserved sequence blocks (CSBs) common to Beloniformes. The phylogenetic relationship between 26 fish Beloniformes species was analyzed based on the complete nucleotide and amino acid sequences of 13 PCGs by two different inference methods (Maximum Likelihood and Bayesian Inference). Phylogenetic analyses revealed Hemiramphidae as the sister group to Exocoetidae and it is a paraphyletic grouping. Our results may provide useful information on mitogenome evolution of teleostean species.

SUBMITTER: Cui L

PROVIDER: S-EPMC6237333 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Mitochondrial genome of the garfish Hyporhamphus quoyi (Beloniformes: Hemiramphidae) and phylogenetic relationships within Beloniformes based on whole mitogenomes.

Cui Lei L Dong Yuelei Y Cao Rongbo R Gao Jian J Cen Jingyi J Zheng Zhijia Z Lu Songhui S

PloS one 20181115 11

Mitochondrial DNA (mtDNA) can provide genome-level information (e.g. mitochondrial genome structure, phylogenetic relationships and codon usage) for analyzing molecular phylogeny and evolution of teleostean species. The species in the order Beloniformes have commercial importance in recreational fisheries. In order to further clarify the phylogenetic relationship of these important species, we determined the complete mitochondrial genome (mitogenome) of garfish Hyporhamphus quoyi of Hemiramphida ...[more]

PMID: 30439949

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Project description:BackgroundDespite the medical importance of mosquitoes of the genus Anopheles in the transmission of malaria and other human diseases, its phylogenetic relationships are not settled, and the characteristics of mitochondrial genome (mitogenome) are not thoroughly understood.MethodsThe present study sequenced and analyzed the complete mitogenomes of An. peditaeniatus and An. nitidus, investigated genome characteristics, and inferred the phylogenetic relationships of 76 Anopheles spp.ResultsThe complete mitogenomes of An. peditaeniatus and An. nitidus are 15,416 and 15,418 bp long, respectively, and both include 13 PCGs, 22 tRNAs, two tRNAs and one control region (CR). Mitogenomes of Anopheles spp. are similar to those of other insects in general characteristics; however, the trnR and trnA have been reversed to "trnR-trnA," as has been reported in other mosquito genera. Genome variations mainly occur in CR length (493-886 bp) with six repeat unit types identified for the first time that demonstrate an evolutionary signal. The subgenera Lophopodomyia, Stethomyia, Kerteszia, Nyssorhynchus, Anopheles and Cellia are inferred to be monophyletic, and the phylogenetic analyses support a new phylogenetic relationship among the six subgenera investigated, in that subgenus Lophopodomyia is the sister to all other five subgenera, and the remaining five subgenera are divided into two clades, one of which is a sister-taxon subgenera Stethomyia + Kerteszia, and the other consists of subgenus Nyssorhynchus as the sister to a sister-group subgenera Anopheles + Cellia. Four series (Neomyzomyia, Pyretophorus, Neocellia and Myzomyia) of the subgenus Cellia, and two series (Arribalzagia and Myzorhynchus) of the subgenus Anopheles were found to be monophyletic, whereas three sections (Myzorhynchella, Argyritarsis and Albimanus) and their subdivisions of the subgenus Nyssorhynchus were polyphyletic or paraphyletic.ConclusionsThe study comprehensively uncovered the characteristics of mitogenome and the phylogenetics based on mitogenomes in the genus Anopheles, and provided information for further study on the mitogenomes, phylogenetics and taxonomic revision of the genus.

Dataset Information

Mitochondrial genome of the garfish Hyporhamphus quoyi (Beloniformes: Hemiramphidae) and phylogenetic relationships within Beloniformes based on whole mitogenomes.

Publications

Mitochondrial genome of the garfish Hyporhamphus quoyi (Beloniformes: Hemiramphidae) and phylogenetic relationships within Beloniformes based on whole mitogenomes.

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