A comprehensive molecular phylogeny of the Mortierellales (Mortierellomycotina) based on nuclear ribosomal DNA

L. Wagner, B. Stielow, K. Hoffmann, T. Petkovits, T. Papp, C. Vágvölgyi, G. S. de Hoog, G. Verkley, K. Voigt

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Abstract

The basal fungal order Mortierellales constitutes one of the largest orders in the basal lineages. This group consists of one family and six genera. Most species are saprobic soil inhabiting fungi with the ability of diverse biotransformations or the accumulation of unsaturated fatty acids, making them attractive for biotechnological applications. Only few studies exist aiming at the revelation of the evolutionary relationships of this interesting fungal group. This study includes the largest dataset of LSU and ITS sequences for more than 400 specimens containing 63 type or reference strains. Based on a LSU phylogram, fungal groups were defined and evaluated using ITS sequences and morphological features. Traditional morphology-based classification schemes were rejected, because the morphology of the Mortierellales seems to depend on culture conditions, a fact, which makes the identification of synapomorphic characters tedious. This study belongs to the most comprehensive molecular phylogenetic analyses for the Mortierellales up to date and reveals unresolved species and species complexes.

Original languageEnglish
Pages (from-to)77-93
Number of pages17
JournalPersoonia: Molecular Phylogeny and Evolution of Fungi
Volume30
DOIs
Publication statusPublished - Jun 1 2013

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Keywords

  • Internal transcribed spacer
  • Large subunit ribosomal DNA
  • Taxonomic revision
  • Zygomycetes
  • Zygomycota

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

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