Open AccessSaccharomyces cerevisiaeSignature Genes for Predicting Nitrogen Deficiency during Alcoholic Fermentation
Author(s) -
Ana MendesFerreira,
Marcel·lí del Olmo,
José Garcı́a-Martı́nez,
Elena Jiménez-Martí,
Cecı́lia Leão,
Arlete MendesFaia,
José E. PérezOrtín
Publication year - 2007
Publication title -
applied and environmental microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.552
H-Index - 324
eISSN - 1070-6291
pISSN - 0099-2240
DOI - 10.1128/aem.01029-07
Subject(s) - saccharomyces cerevisiae , wine , yeast in winemaking , yeast , gene , biology , strain (injury) , genetics , fermentation in winemaking , genome , fermentation , ethanol fermentation , food science , anatomy
Genome-wide analysis of the wine yeast strain Saccharomyces cerevisiae PYCC4072 identified 36 genes highly expressed under conditions of low or absent nitrogen in comparison with a nitrogen-replete condition. Reverse transcription-PCR analysis for four of these transcripts with this strain and its validation with another wine yeast strain underlines the usefulness of these signature genes for predicting nitrogen deficiency and therefore the diagnosis of wine stuck/sluggish fermentations.
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