Dataset Information


Differential gene expression in high and low sulfide-producing yeast strains during wine fermentation

ABSTRACT: Comparison between two commercial wine yeast strains (UCD522 and P29) differing in their production of H2S during wine fermentation. Due to the characteristics of the strains (commercial, non-standard wine strains), the experiment was duplicated using two completely different platforms and techniques (cDNA-based and in situ synthesized oligonucleotide-based). UCD522 and P29 wine microfermentations were performed in parallel and yeast samples were taken at the stage of fastest fermentation rate. Two biological replicates per yeast strain.

ORGANISM(S): Saccharomyces cerevisiae  

SUBMITTER: David Carro   Company Oryzon Genomics  Enric Bartra  Benjamin Pina  Marta Casado  Benjamin Piña 

PROVIDER: E-GEOD-16215 | ArrayExpress | 2010-05-18



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Differential expression of thiamine biosynthetic genes in yeast strains with high and low production of hydrogen sulfide during wine fermentation.

Bartra E E   Casado M M   Carro D D   Campamà C C   Piña B B  

Journal of applied microbiology 20091215 1

AIMS: Release of hydrogen sulfide by fermenting yeast is a potential problem in wine production, because of its strong organoleptic impact. To identify the genetic determinants of sulfide production, we compared the transcriptomes of two wine yeast strains with similar oenological properties, but with very different levels of sulfide production, UDC522 (high sulfide producer) and P29 (low producer). METHODS AND RESULTS: Oenological microfermentations were sampled at the peak production of sulfid  ...[more]

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