IVES 9 IVES Conference Series 9 OENO IVAS 9 OENO IVAS 2019 9 Category: Grape and wine microorganisms: diversity and adaptation

Grape and wine microorganisms: diversity and adaptation

Grape and wine microorganisms: diversity and adaptationIVES Conference SeriesOENO IVAS 2019

Yeast diversity in Vitis labrusca l. Ecosystems

Although there are detailed studies on the microbiota of Vitis vinifera L. grapes, little is known about the diversity of yeast communities present in non-vinifera Vitis ecosystems (i.e., grapes and spontaneously fermenting grape musts). Potentially scientific and/or enological valuable yeast strains from these non-vinifera Vitis ecosystems might never be isolated from V. vinifera L. Using a standard culture-dependent strategy, we studied the population of yeast species during initial stages of spontaneous fermentation of V. labrusca L. (Isabella) grape musts. Rare non-Saccharomyces yeast species were recognized in Isabella, including Candida azymoides, Pichia cecembensis, Candida californica, Candida bentonensis, Issatchenkia hanoiensis and Candida apicola.

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