The complete mitochondrial genome and phylogenomics of a damselfly, Euphaea formosa support a basal Odonata within the Pterygota

Chung Ping Lin, Ming Yu Chen, Jen Pan Huang

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

This study determined the first complete mitochondrial genome of a damselfly, Euphaea formosa (Insecta: Odonata: Zygoptera), and reconstructed a phylogeny based on thirteen protein-coding genes of mitochondrial genomes in twenty-five representative hexapods to examine the relationships among the basal Pterygota. The damselfly's mitochondrial genome is a circular molecule of 15,700 bp long, and contains the entire set of thirty-seven genes typically found in insects. The gene arrangement, nucleotide composition, and codon usage pattern of the mitochondrial genome are similar across the three odonate species, suggesting a conserved genome evolution within the Odonata. The presence of the intergenic spacer s5 likely represents a synapomorphy for the dragonflies (Anisoptera). Maximum parsimony, maximum likelihood, and Bayesian analyses of both nucleotide and amino acid sequences cannot support the three existing phylogenetic hypotheses of the basal Pterygota (Palaeoptera, Metapterygota, and Chiastomyaria). In contrast, the phylogenetic results indicate an alternative hypothesis of a strongly supported basal Odonata and a sister relationship of the Ephemeroptera and Plecoptera. The unexpected sister Ephemeroptera. +. Plecoptera clade, which contradicts with the widely accepted hypothesis of a monophyletic Neoptera, requires further analyses with additional mitochondrial genome sampling at the base of the Neoptera.

Original languageEnglish
Pages (from-to)20-29
Number of pages10
JournalGene
Volume468
Issue number1-2
DOIs
Publication statusPublished - 2010 Nov 1

Fingerprint

Odonata
Mitochondrial Genome
Taiwan
Insects
Nucleotides
Gene Order
Bayes Theorem
Phylogeny
Codon
Amino Acid Sequence
Genome

Keywords

  • Basal Pterygota
  • Damselfly
  • Intergenic spacer
  • Mitochondrial genome
  • Odonata
  • Phylogenomics

ASJC Scopus subject areas

  • Genetics

Cite this

The complete mitochondrial genome and phylogenomics of a damselfly, Euphaea formosa support a basal Odonata within the Pterygota. / Lin, Chung Ping; Chen, Ming Yu; Huang, Jen Pan.

In: Gene, Vol. 468, No. 1-2, 01.11.2010, p. 20-29.

Research output: Contribution to journalArticle

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