Aims: The investigation of yeast microflora during the must fermentation of two wine varieties (Frankovka modra - Blaufränkisch and Veltlinske zelene - Grüner Veltliner) from two consecutive vintages was performed using a three-step approach.
Methods and results: The investigation strategy consisted of the combination of yeast cultivation, selection of the isolated yeasts based on the amplification of internal transcribed spacer 2 using a fluorescence-labelled primer (f-ITS-PCR) and a final identification step based on amplification and sequencing of the ITS1-5.8S rDNA-ITS2 region of the selected yeasts. By this three-step approach, it was possible to screen 433 yeasts isolates that belonged to 13 different species.
Conclusions: The f-ITS-PCR allowed the unambiguous differentiation of all isolated yeast species that produced their typical f-ITS-PCR profile.
Significance and impact of the study: This is one of few reports that treat the yeast diversity in Slovakian wines and in two varieties largely cultivated in Central Europe. The three-step approach permitted the rapid and reliable identification of isolated yeasts. The f-ITS-PCR with its good discrimination power can represent a suitable molecular tool for the selection of yeast members recovered from food or other environments.
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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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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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