The aim of this work was to study the variability of 36 Saccharomyces cerevisiae wild strains isolated from different grape varieties and from two very distant zones, located in Northern and Southern Italy. The strains were differentiated on the basis of parameters of technological interest, such as resistance to antimicrobial compounds frequently present in wine, and the production of volatile aromatic compounds (VOC), determined by SPME procedure in the experimental wines obtained by inoculated fermentations. The VOC profile allowed to differentiate the yeasts in function of isolation area: S. cerevisiae isolated from Southern Italy grapes were able to produce more volatile compounds than those from Northern Italy. The compounds synthesized by all the yeasts, besides the ethanol, were 3-methyl-1-butanol and ethyl acetate. The production of acids during the alcoholic fermentation was a characteristic of Southern yeast strains. The screening of S. cerevisiae strains for technological parameters, such as sulphur dioxide, copper and ethanol resistance or hydrogen sulphide production, revealed similar behaviour for sulphur dioxide resistance among Northern and Southern S. cerevisiae strains. Copper resistance and sulphur dioxide production were correlated to isolation area: S. cerevisiae "Northern" strains showed higher copper resistance and lowest hydrogen sulphide production than that exhibited from "Southern" strains.
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| Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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| Site | Modification | Modifier | Source | Reference |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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| Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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| Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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