Saccharomyces cerevisiae
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA93393 | ENA |
REPOSITORIES: ENA
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Project description:In Saccharomyces cerevisiae, the Ca2+/calmodulin-dependent protein phosphatase, calcineurin, is activated by specific environmental conditions, including exposure to Ca2+ and Na+, and induces gene expression by regulating the Crz1p/Tcn1p transcription factor. We used DNA microarrays to perform a comprehensive analysis of calcineurin/Crz1p-dependent gene expression following addition of Ca2+ (200 mM) or Na+ (0.8 M) to yeast. 163 genes exhibited increased expression that was reduced 50% or more by calcineurin inhibition. These calcineurin dependent genes function in signaling pathways, ion/small molecule transport, cell wall maintenance, vesicular transport, and include many open reading frames of heretofore-unknown function. Three distinct gene classes were defined: 28 genes displayed calcineurin-dependent induction in response to Ca2+ and Na+, 125 showed calcineurin-dependent expression following Ca2+ but not Na+ addition, and 10 were regulated by calcineurin in response to Na+ but not Ca2+. Analysis of crz1D cells established Crz1p as the major effecter of calcineurin-regulated gene expression in yeast. We identified the Crz1p binding site as 5-GNGGC(G/T)CA-3 by in vitro site selection. A similar sequence, 5-GAGGCTG-3, was identified as a common sequence motif in the upstream regions of calcineurin/Crz1p-dependent genes. This finding is consistent with direct regulation of these genes by Crz1p. Set of arrays organized by shared biological context, such as organism, tumors types, processes, etc. Keywords: Logical Set
2005-10-15 | GSE3456 | GEO
Project description:In Saccharomyces cerevisiae, the Ca2+/calmodulin-dependent protein phosphatase, calcineurin, is activated by specific environmental conditions, including exposure to Ca2+ and Na+, and induces gene expression by regulating the Crz1p/Tcn1p transcription factor. We used DNA microarrays to perform a comprehensive analysis of calcineurin/Crz1p-dependent gene expression following addition of Ca2+ (200 mM) or Na+ (0.8 M) to yeast. 163 genes exhibited increased expression that was reduced 50% or more by calcineurin inhibition. These calcineurin dependent genes function in signaling pathways, ion/small molecule transport, cell wall maintenance, vesicular transport, and include many open reading frames of heretofore-unknown function. Three distinct gene classes were defined: 28 genes displayed calcineurin-dependent induction in response to Ca2+ and Na+, 125 showed calcineurin-dependent expression following Ca2+ but not Na+ addition, and 10 were regulated by calcineurin in response to Na+ but not Ca2+. Analysis of crz1D cells established Crz1p as the major effecter of calcineurin-regulated gene expression in yeast. We identified the Crz1p binding site as 5-GNGGC(G/T)CA-3 by in vitro site selection. A similar sequence, 5-GAGGCTG-3, was identified as a common sequence motif in the upstream regions of calcineurin/Crz1p-dependent genes. This finding is consistent with direct regulation of these genes by Crz1p. Set of arrays organized by shared biological context, such as organism, tumors types, processes, etc. Computed
2005-10-15 | E-GEOD-3456 | biostudies-arrayexpress
Project description:Saccharomyces cerevisiae is an excellent microorganism for industrial succinic acid production, but high succinic acid concentration will inhibit the growth of Saccharomyces cerevisiae then reduce the production of succinic acid. Through analysis the transcriptomic data of Saccharomyces cerevisiae with different genetic backgrounds under different succinic acid stress, we hope to find the response mechanism of Saccharomyces cerevisiae to succinic acid.
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