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Recovered Fermentation

ABSTRACT: Gene expression analysis of a time course experiment of a synthetic must (nitrogen-poor) fermentation by a natural wine yeast, supplemented at 72 hours with 200 mg/l of nitrogen Three replicates of five time points taken at 24, 48, 80, 96 and 144 hours after yeast inoculation. Time points 24 and 48 hours are common to Sluggish fermentation. Time points at 80, 96 and 144 hours are exclusive of this experiment.

ORGANISM(S): Saccharomyces cerevisiae

SUBMITTER: Jose Garcia-Martinez 

PROVIDER: E-GEOD-5837 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Transcriptional response of Saccharomyces cerevisiae to different nitrogen concentrations during alcoholic fermentation.

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

Applied and environmental microbiology 20070302 9

Gene expression profiles of a wine strain of Saccharomyces cerevisiae PYCC4072 were monitored during alcoholic fermentations with three different nitrogen supplies: (i) control fermentation (with enough nitrogen to complete sugar fermentation), (ii) nitrogen-limiting fermentation, and (iii) the addition of nitrogen to the nitrogen-limiting fermentation (refed fermentation). Approximately 70% of the yeast transcriptome was altered in at least one of the fermentation stages studied, revealing the  ...[more]

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