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- Title
Spatiotemporal Dynamics of Assyrtiko Grape Microbiota.
- Authors
Tegopoulos, Konstantinos; Tsirka, Theodora; Stekas, Christos; Gerasimidi, Eleni; Skavdis, George; Kolovos, Petros; Grigoriou, Maria E.
- Abstract
Vitis vinifera, an economically significant grapevine species, is known for wine, juice, and table grape production. The berries of wine grapes host a diverse range of microorganisms influencing both grapevine health and the winemaking process. Indigenous to Greece, the emblematic variety Assyrtiko, renowned for high-quality white wines, originated from Santorini and spread to various Greek regions. Despite existing studies on the microbiota of several varieties, the carposphere microbiota of Assyrtiko grapes remains unexplored. Thus, we conducted a spatiotemporal metagenomic study to identify the epiphytic microbial community composition of Assyrtiko grapes. The study was conducted in two consecutive vintage years (2019 and 2020) across three different and distinct viticulture regions in Greece (Attica, Thessaloniki, Evros). We performed amplicon sequencing, targeting the 16S rRNA gene for bacteria and the ITS region for fungi, with subsequent comprehensive bioinformatic analysis. Our data indicate that the distribution and relative abundance of the epiphytic carposphere microbial communities of the Assyrtiko variety are shaped both by vintage and biogeography.
- Subjects
GREECE; TABLE grapes; GRAPES; BERRIES; MICROBIAL communities; BACTERIAL genes; BIOGEOGRAPHY; VITICULTURE; VITIS vinifera; WHITE wines
- Publication
Microorganisms, 2024, Vol 12, Issue 3, p577
- ISSN
2076-2607
- Publication type
Article
- DOI
10.3390/microorganisms12030577