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Sluggish Fermentation

ABSTRACT: Gene expression analysis of a time course experiment of a synthetic must (nitrogen-poor) fermentation by a natural wine yeast. Three replicates of five time points taken at 24, 48, 80, 96 and 144 hours after yeast inoculation

ORGANISM(S): Saccharomyces cerevisiae

SUBMITTER: Jose Garcia-Martinez

PROVIDER: E-GEOD-5836 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Saccharomyces cerevisiae signature genes for predicting nitrogen deficiency during alcoholic fermentation.

Mendes-Ferreira A A del Olmo M M García-Martínez J J Jiménez-Martí E E Leão C C Mendes-Faia A A Pérez-Ortín J E JE

Applied and environmental microbiology 20070629 16

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. ...[more]

PMID: 17601813

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