Kluyveromyces marxianus has a promising enological potential because of strong extracellular pectinase activity and the copious production of specific higher alcohols and esters. However, K. marxianus is unable to complete alcoholic fermentation on its own. For this reason it is only used in co- or sequential fermentation in conjunction with Saccharomyces spp. Here we applied the protoplast fusion technique to two commercial Saccharomyces cerevisiae strains (Lalvin EC1118® and Lalvin QA23®) and K. marxianus isolate IWBT Y885, to obtain fusants that possess pre-selected, enologically relevant features of K. marxianus, but with improved fermentation performance. After an extensive selection process, performed using non-auxotrophic markers, we identified one fusant, BF2020, that shows enhanced fermentation performance compared to the parental strain K. marxianus Y885, but that still exhibits strong pectinase activity and may be suitable for industrial production. The genome of the selected hybrid was further investigated and characterized by RAPD-PCR analysis and whole genome sequencing.
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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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