Phylogeny and taxonomy of obscure genera of microfungi

P. W. Crous, U. Braun, M. J. Wingfield, A. R. Wood, Hyeon-Dong Shin, B. A. Summerell, A. C. Alfenas, C. J R Cumagun, J. Z. Groenewald

Research output: Contribution to journalArticle

84 Citations (Scopus)

Abstract

The recently generated molecular phylogeny for the kingdom Fungi, on which a new classification scheme is based, still suffers from an under representation of numerous apparently asexual genera of microfungi. In an attempt to populate the Fungal Tree of Life, fresh samples of 10 obscure genera of hyphomycetes were collected. These fungi were subsequently established in culture, and subjected to DNA sequence analysis of the ITS and LSU nrRNA genes to resolve species and generic questions related to these obscure genera. Brycekendrickomyces (Herpotrichiellaceae) is introduced as a new genus similar to, but distinct from Haplographium and Lauriomyces. Chalastospora is shown to be a genus in the Pleosporales, with two new species, C. ellipsoidea and C. obclavata, to which Alternaria malorum is added as an additional taxon under its oldest epithet, C. gossypii. Cyphellophora eugeniae is newly described in Cyphellophora (Herpotrichiellaceae), and distinguished from other taxa in the genus. Dictyosporium is placed in the Pleosporales, with one new species, D. streliziae. The genus Edenia, which was recently introduced for a sterile endophytic fungus isolated in Mexico, is shown to be a hyphomycete (Pleosporales) forming a pyronellea-like synanamorph in culture. Thedgonia is shown not to represent an anamorph of Mycosphaerella, but to belong to the Helotiales. Trochophora, however, clustered basal to the Pseudocercospora complex in the Mycosphaerellaceae, as did Verrucisporota. Vonarxia, a rather forgotten genus of hyphomycetes, is shown to belong to the Herpotrichiellaceae and Xenostigmina is confirmed as synanamorph of Mycopappus, and is shown to be allied to Seifertia in the Pleosporales. Dichotomous keys are provided for species in the various genera treated. Furthermore, several families are shown to be polyphyletic within some orders, especially in the Capnodiales, Chaetothyriales and Pleosporales.

Original languageEnglish
Pages (from-to)139-161
Number of pages23
JournalPersoonia: Molecular Phylogeny and Evolution of Fungi
Volume22
DOIs
Publication statusPublished - 2009 Jun 1

Fingerprint

Pleosporales
Herpotrichiellaceae
phylogeny
fungus
Hyphomycetes
taxonomy
anamorphs
fungi
new species
Mycosphaerellaceae
Capnodiales
Chaetothyriales
new genus
Helotiales
Pseudocercospora
Mycosphaerella
Alternaria
DNA
gene
sequence analysis

Keywords

  • Brycekendrickomyces
  • Chalastospora
  • Cyphellophora
  • Dictyosporium
  • Edenia
  • Phylogeny
  • Taxonomy
  • Thedgonia
  • Trochophora
  • Verrucisporota
  • Vonarxia
  • Xenostigmina

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Plant Science

Cite this

Crous, P. W., Braun, U., Wingfield, M. J., Wood, A. R., Shin, H-D., Summerell, B. A., ... Groenewald, J. Z. (2009). Phylogeny and taxonomy of obscure genera of microfungi. Persoonia: Molecular Phylogeny and Evolution of Fungi, 22, 139-161. https://doi.org/10.3767/003158509X461701

Phylogeny and taxonomy of obscure genera of microfungi. / Crous, P. W.; Braun, U.; Wingfield, M. J.; Wood, A. R.; Shin, Hyeon-Dong; Summerell, B. A.; Alfenas, A. C.; Cumagun, C. J R; Groenewald, J. Z.

In: Persoonia: Molecular Phylogeny and Evolution of Fungi, Vol. 22, 01.06.2009, p. 139-161.

Research output: Contribution to journalArticle

Crous, PW, Braun, U, Wingfield, MJ, Wood, AR, Shin, H-D, Summerell, BA, Alfenas, AC, Cumagun, CJR & Groenewald, JZ 2009, 'Phylogeny and taxonomy of obscure genera of microfungi', Persoonia: Molecular Phylogeny and Evolution of Fungi, vol. 22, pp. 139-161. https://doi.org/10.3767/003158509X461701
Crous, P. W. ; Braun, U. ; Wingfield, M. J. ; Wood, A. R. ; Shin, Hyeon-Dong ; Summerell, B. A. ; Alfenas, A. C. ; Cumagun, C. J R ; Groenewald, J. Z. / Phylogeny and taxonomy of obscure genera of microfungi. In: Persoonia: Molecular Phylogeny and Evolution of Fungi. 2009 ; Vol. 22. pp. 139-161.
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