Three new Curvularia species from clinical and environmental sources

Isabel Iturrieta-González, Josepa Gené, Nathan Wiederhold, Dania García

Research output: Contribution to journalArticlepeer-review

Abstract

Curvularia is a Pleosporalean monophyletic genus with a great diversity of species, including relevant phytopathogenic, animal and human pathogenic fungi. However, their microscopic identification is difficult due to overlapping morphological features amongst species. In recent years, multi-locus sequence analysis using the ITS region of the rDNA and fragments of the genes gapdh and tef1 revealed numerous cryptic species, especially in isolates that commonly produced 3-septate conidia. Therefore, based on sequence analysis of the above-mentioned DNA barcodes recommended for species delineation in Curvularia, we propose three novel species, C. paraverruculosa, C. suttoniae and C. vietnamensis, isolated from soil, human clinical specimens and plant material, respectively, collected in different countries. These new species are morphologically characterised and illustrated in the present study. Curvularia paraverruculosa differs from its counterparts, C. americana and C. verruculosa, mainly by its narrower conidia. Curvularia suttoniae and C. vietnamensis are closely related to C. petersonii, but the former two have larger conidia.

Original languageEnglish (US)
Pages (from-to)1-21
Number of pages21
JournalMycoKeys
Volume68
DOIs
StatePublished - Jun 17 2020

Keywords

  • Ascomycetes
  • Dematiaceous hyphomycetes
  • Phylogeny
  • Pleosporaceae
  • Taxonomy

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

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