Inactivating Mutations in Irc7p Are Common in Wine Yeasts, Attenuating Carbon-Sulfur β-Lyase Activity and Volatile Sulfur Compound Production.
aroma
lyase
sulfur
thiols
wine
yeasts
Journal
Applied and environmental microbiology
ISSN: 1098-5336
Titre abrégé: Appl Environ Microbiol
Pays: United States
ID NLM: 7605801
Informations de publication
Date de publication:
15 03 2019
15 03 2019
Historique:
received:
05
11
2018
accepted:
11
01
2019
pubmed:
20
1
2019
medline:
28
2
2020
entrez:
20
1
2019
Statut:
epublish
Résumé
During alcoholic fermentation of grape sugars, wine yeasts produce a range of secondary metabolites that play an important role in the aroma profile of wines. In this study, we have explored the ability of a large number of wine yeast strains to modulate wine aroma composition, focusing on the release of the "fruity" thiols 3-mercaptohexan-1-ol (3-MH) and 4-mercapto-4-methylpentan-2-one (4-MMP) from their respective cysteinylated nonvolatile precursors. The role of the yeast gene
Identifiants
pubmed: 30658969
pii: AEM.02684-18
doi: 10.1128/AEM.02684-18
pmc: PMC6414363
pii:
doi:
Substances chimiques
3-mercaptohexan-1-ol
0
4-mercapto-4-methyl-pentan-2-one
0
Saccharomyces cerevisiae Proteins
0
Sulfhydryl Compounds
0
Sulfur Compounds
0
Carbon-Sulfur Lyases
EC 4.4.-
Irc7 protein, S cerevisiae
EC 4.4.-
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
Copyright © 2019 American Society for Microbiology.
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