This study comprehensively investigated volatile compounds and microbial communities of spontaneously fermented Vitis quinquangularis wines from the Guangxi production regions. The aroma profiles of V. quinquangularis wines were analyzed by GC-O-MS, GC-QQQ-MS/MS, and quantitative descriptive analysis. The wines exhibit predominantly fruity and floral notes, with contributions from esters and (E)-β-damascenone. A distinctive and typical "green and earthy" aroma was observed, with contributions from C6 compounds and volatile phenols such as 1-hexanol, (E)-3-hexen-1-ol, hexanoic acid, 4-vinylguaiacol, eugenol, and isoeugenol. Metagenomics and culturomics analyses indicated that the dominant strains involved in the spontaneous fermentation process were Hanseniaspora opuntiae, Saccharomyces cerevisiae, Paenibacillus sp., Sphingomonas sp., and Bacillus sp. Additionally, microorganisms from sixteen generas, including Actinomycetospora and Ameyamaea, etc., along with six enzymes like EC 1.1.1.1 and EC 1.1.1.318, etc., were implicated in the production of the "green and earthy" aroma in V. quinquangularis wines.
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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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| 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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