Morphology and molecular phylogeny of staurojoenina mulleri sp. nov. (trichonymphida, parabasalia) from the hindgut of the kalotermitid neotermes jouteli

Gillian Gile, Kevin J. Carpenter, Erick R. James, Rudolf H. Scheffrahn, Patrick J. Keeling

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Staurojoenina is a large and structurally complex genus of hypermastigont parabasalians found in the hindgut of lower termites. Although several species of Staurojoenina have been described worldwide, all Staurojoenina observed to date in different species of North American termites have been treated as the same species, S. assimilis. Here, we characterize Staurojoenina from the North American termite Neotermes jouteli using light microscopy, scanning electron microscopy, and phylogenetic analysis of small subunit ribosomal RNA, and compare it with S. assimilis from its type host, Incisitermes minor. The basic morphological characteristics of the N. jouteli symbiont, including its abundant bacterial epibionts, are similar as far as they may be compared with existing data from S. assimilis, although not consistently identical. In contrast, we find that they are extremely distantly related at the molecular level, sharing a pairwise similarity of SSU rRNA genes comparable to that seen between different genera or even families of other parabasalians. Based on their evolutionary distance and habitat in different termite genera, we consider the N. jouteli Staurojoenina to be distinct from S. assimilis, and describe a new species, Staurojoenina mulleri, in honor of the pioneering parabasalian researcher, Miklos Muller.

Original languageEnglish (US)
Pages (from-to)203-213
Number of pages11
JournalJournal of Eukaryotic Microbiology
Volume60
Issue number2
DOIs
StatePublished - Mar 2013
Externally publishedYes

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Parabasalidea
Isoptera
Phylogeny
Ribosomal RNA
rRNA Genes
Electron Scanning Microscopy
Ecosystem
Microscopy
Research Personnel
Light

Keywords

  • Barcoding
  • epibiont
  • hypermastigote
  • symbiont
  • termite

ASJC Scopus subject areas

  • Microbiology

Cite this

Morphology and molecular phylogeny of staurojoenina mulleri sp. nov. (trichonymphida, parabasalia) from the hindgut of the kalotermitid neotermes jouteli. / Gile, Gillian; Carpenter, Kevin J.; James, Erick R.; Scheffrahn, Rudolf H.; Keeling, Patrick J.

In: Journal of Eukaryotic Microbiology, Vol. 60, No. 2, 03.2013, p. 203-213.

Research output: Contribution to journalArticle

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