The complete mitochondrial genome sequence of Southwellina hispida supports monophyly of Palaeacanthocephala (Acanthocephala: Polymorphida)

Mohiuddin Gazi, Jiyeon Kim, Joong Ki Park

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Acanthocephala is a relatively small, but distinct obligate parasitic group that includes 4 classes: Archiacanthocephala, Palaeacanthocephala, Polyacanthocephala, and Eoacanthocephala. The phylogenetic relationships of acanthocephalans are mainly based on nuclear ribosomal genes. In this study, we determined the complete mitochondrial genome sequence of Southwellina hispida (Palaeacanthocephala: Polymorphida), and used this genome sequence along with other platyzoan species (including syndermatan groups) to assess its phylogenetic position within Acanthocephala. The S. hispida mtDNA is a 14,742. bp circular molecule that contains 36 genes (lacking atp8) encoded in the same direction. Phylogenetic analyses of amino acid sequences for 12 protein-coding genes suggested palaeacanthocephalan species to be monophyletic, and this group to be sister to Eoacanthocephala. These results confirm other morphological and molecular data supporting palaeacanthocephalan monophyly.

Original languageEnglish
Pages (from-to)64-68
Number of pages5
JournalParasitology International
Volume64
Issue number4
DOIs
StatePublished - 1 Aug 2015

Keywords

  • Acanthocephala
  • Mitochondrial genome
  • Molecular phylogeny
  • Palaeacanthocephala
  • Polymorphida
  • Southwellina hispida

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