Dissemination of wine-related yeasts by migratory birds.

Luca Settanni, Giancarlo Moschetti, Nicola Francesca, Nicola Francesca, Giancarlo Moschetti, Luca Settanni, Domenica Canale

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Abstract

The present work was undertaken to evaluate the con-tribution of migratory birds in the environmental dis-semination of yeasts. Four sites (Mazara del Vallo,Lampedusa, Ustica and Linosa), representing themain stop-over points in Sicily, were analysed duringspring and autumnal bird migration and 349 birds(belonging to 10 families) were ringed and analysedfor yeast presence. A total of 125 yeasts were isolated and identified by a multiple genotypic approach, con-sisting of restriction fragment length polymorphism(RFLP) of 5.8S rRNA gene and 26S rRNA andsequencing of D1/D2 domain of the 26S rRNA gene,which resulted in the recognition of 18 species,including the technological relevantSaccharomycescerevisiaewhich were characterized at strain levelapplying three techniques (interdelta analysis, mini-satellite analysis based on the separate amplificationof three genes and microsatellite multiplex PCR ofpolymorphic microsatellite loci). The evaluation of thepersistence of livingS. cerevisiae in birds for about12 h from ingestion of inoculated feed allowed theconclusion that yeasts with technological potentialare disseminated during migration.
Lingua originaleEnglish
pagine (da-a)105-112
Numero di pagine8
RivistaEnvironmental Microbiology Reports
Volume4
Stato di pubblicazionePublished - 2012

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All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Agricultural and Biological Sciences (miscellaneous)

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