Yeasts vectored by migratory birds collected in the Mediterranean island of Ustica and description of Phaffomyces usticensis f.a. sp. nov., a new species related to the cactus ecoclade

Nicola Francesca, Cláudia Carvalho, Ciro Sannino, Marco A. Guerreiro, Pedro M. Almeida, Luca Settanni, Bruno Massa, José P. Sampaio, Giancarlo Moschetti

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Nine yeast species belonging to genera Candida, Cryptococcus, Phaffomyces, Rhodotorula and Wickerhamomyces, and one species of Aureobasidium genus were isolated from the cloaca of migratory birds. Candida glabrata and C. inconspicua were the species most frequently isolated and Wickerhamomyces sylviae, which has recently been described as a new species isolated from bird cloaca, was again found. The majority of isolates showed the ability to grow up to 40°C and/or at pH 3.0, two environmental conditions typical of the digestive tract of birds. The phylogenetic analysis of the D1/D2 domain of 26S rRNA gene placed the cultures of Phaffomyces in a new lineage that differed from the closest species, P. opuntiae, by 13 nucleotide substitutions. The new species was able to grow at 40 °C and at pH 2.5, which suggests a possible adaptation to the bird cloaca. Moreover, the ability to grow in the presence of digitonin at pH 3.7 and the assimilation of ethyl acetate indicates a potential cactophilic origin. For the first time, the presence of yeasts belonging to the Phaffomyces clade in Europe and also in non-cactus environments is reported. The new species is formally described as P. usticensis sp. nov. (PYCC 6346T = CBS 12958T).

Original languageEnglish
Pages (from-to)910-921
Number of pages12
JournalFems Yeast Research
Volume14
Issue number6
DOIs
Publication statusPublished - Sep 2014

Fingerprint

Mediterranean Islands
Cactaceae
Cloaca
Birds
Yeasts
Rhodotorula
Candida glabrata
Cryptococcus
Digitonin
rRNA Genes
Candida
Gastrointestinal Tract
Nucleotides

Keywords

  • Cactus-yeast
  • Delichon urbicum
  • Novel species
  • Phaffomyces usticensis sp. nov.
  • Phenotypic characterization
  • Phylogenetic analysis

Cite this

Francesca, Nicola ; Carvalho, Cláudia ; Sannino, Ciro ; Guerreiro, Marco A. ; Almeida, Pedro M. ; Settanni, Luca ; Massa, Bruno ; Sampaio, José P. ; Moschetti, Giancarlo. / Yeasts vectored by migratory birds collected in the Mediterranean island of Ustica and description of Phaffomyces usticensis f.a. sp. nov., a new species related to the cactus ecoclade. In: Fems Yeast Research. 2014 ; Vol. 14, No. 6. pp. 910-921.
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Yeasts vectored by migratory birds collected in the Mediterranean island of Ustica and description of Phaffomyces usticensis f.a. sp. nov., a new species related to the cactus ecoclade. / Francesca, Nicola; Carvalho, Cláudia; Sannino, Ciro; Guerreiro, Marco A.; Almeida, Pedro M.; Settanni, Luca; Massa, Bruno; Sampaio, José P.; Moschetti, Giancarlo.

In: Fems Yeast Research, Vol. 14, No. 6, 09.2014, p. 910-921.

Research output: Contribution to journalArticle

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