Cryptococcus vaughanmartiniae sp. nov. and Cryptococcus onofrii sp. nov. two new species isolated from worldwide cold environments

Benedetta Turchetti, Laura Selbmann, Robert A. Blanchette, Simone Di Mauro, Elisabetta Marchegiani, Laura Zucconi, Brett E. Arenz, Pietro Buzzini

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16 Scopus citations

Abstract

Twenty yeast strains, representing a selection from a wider group of more than 60 isolates were isolated from cold environments worldwide (Antarctica, Iceland, Russia, USA, Italian and French Alps, Apennines). The strains were grouped based on their common morphological and physiological characteristics. A phylogeny based on D1/D2 ribosomal DNA sequences placed them in an intermediate position between Cryptococcus saitoi and Cryptococcus friedmannii; the ITS1 and ITS2 rDNA phylogeny demonstrated that these strains belong to two related but hitherto unknown species within the order Filobasidiales, albidus clade. These two novel species are described with the names Cryptococcusvaughanmartiniae (type strain DBVPG 4736T) and Cryptococcusonofrii (type strain DBVPG 5303T).

Original languageEnglish (US)
Pages (from-to)149-159
Number of pages11
JournalExtremophiles
Volume19
Issue number1
DOIs
StatePublished - Jan 1 2015

Keywords

  • Alps
  • Antarctica
  • Apennines
  • Cold-adapted biodiversity
  • Cryptococcusonofrii sp. nov
  • Cryptococcusvaughanmartiniae sp. nov
  • Iceland
  • Novel Cryptococcus species
  • Psychrophilic yeasts
  • Russia

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