Characterization of Nero Antico di Pretalucente Wine and Grape Fungal Microbiota: An Expression of Abruzzo Region Cultivar Heritage

Perpetuini, Giorgia; Rossetti, Alessio Pio; Giordano, Lucia; Pulcini, Marta; Dufrusine, Beatrice; Battistelli, Noemi; Zulli, Camillo; Arfelli, Giuseppe; Palliotti, Alberto; Dainese, Enrico; Tofalo, Rosanna

doi:10.3390/fermentation9020150

Cited by 3 publications

(1 citation statement)

References 53 publications

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“…In Italy, Perpetuini et al (2022) reported that the common genera of fungi detected in grape samples of Montepulciano d’Abruzzo cultivar (Abruzzo Region, Central Italy) were represented by Hanseniaspora, Aureobasidium, Botrytis, Pichia, Cladosporium and Alternaria. In another work conducted by Perpetuini et al (2023) , it was found that Aureobasidium, Metschnikowia, Hanseniaspora, Botrytis, Cladosporium, Pichia, Alternaria, Epicoccum, Vishniacozyma and Candida were the main genera detected on the minor grapevine cultivar cv. Nero Antico from Chieti (Abruzzo Region, Central Italy).…”

Section: Discussionmentioning

confidence: 96%

Diversity of fungal communities on Cabernet and Aglianico grapes from vineyards located in Southern Italy

Iorizzo,

Bagnoli,

Vergalito

et al. 2024

Front. Microbiol.

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Grape-associated microbial community is influenced by a combination of viticultural, climatic, pedological and anthropological factors, collectively known as terroir. Therefore, grapes of the same cultivar grown in different areas can be appreciated for their distinctive biogeographic characteristics. In our previous study, we showed that the phenotypic response of Aglianico and Cabernet grapevines from Molise and Sicily regions is significantly influenced by the prevailing pedoclimatic conditions, particularly soil physical properties. However, the scale at which microbial communities differ could be important in clarifying the concept of terroir, including whether it is linked to the grape variety present in a particular vineyard. To explore this further, in the research presented here, a comparative study on the fungal communities inhabiting the berry surfaces of Cabernet and Aglianico cultivars was conducted on different vineyards located in Southern Italy (Molise, Sicily and Campania regions, the first two of which had been involved in our previous study) by using high-throughput sequencing (HTS) and multivariate data analysis. The descriptive approach through relative abundance analysis showed the most abundant phyla (Ascomycota, Basidiomycota, and Chytridiomycota), families (Cladosporiaceae, Saccotheciaceae, Pleosporaceae, Saccharomycodaceae, Sporidiobolaceae, Didymellaceae, Filobasidiaceae, Bulleribasidiaceae, and Saccharomycetaceae) and genera (Cladosporium, Aureobasidium, Alternaria, Stemphylium and Filobasidium) detected on grape berries. The multivariate data analysis performed by using different packages (phyloseq, Vegan, mixOmics, microbiomeMarker and ggplot2) highlighted that the variable “vineyard location” significantly affect the fungal community, while the variable “grape variety” has no significant effect. Thus, some taxa are found to be part of specific vineyard ecosystems rather than specific grape varieties, giving additional information on the microbial contribution to wine quality, thanks to the presence of fermentative yeasts or, conversely, to the involvement in negative or detrimental roles, due to the presence of grape-deriving fungi implied in the spoilage of wine or in grapevine pathogenesis. In this connection, the main functions of core taxa fungi, whose role in the vineyard environment is still poorly understood, are also described.

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Section: Discussionmentioning

confidence: 96%