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Comparative analysis between wild type and hap5-null mutant in response to rapamycin treatment

ABSTRACT: To identify the potential Hap5-regulated genes, we treated wild type cells and hap5 mutant cells with rapamycin and their corespondent transcriptional profiles were compared. Total 608 significant genes were identified. Among them, 343 genes are upregulated in hap5 mutant in repsonse to rapamycin while 265 genes are downregulated in comparison with the wild type.

ORGANISM(S): Candida albicans

PROVIDER: GSE41266 | GEO | 2013/03/24

SECONDARY ACCESSION(S): PRJNA176466

REPOSITORIES: GEO

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Comparative analysis between wild type and hap5-null mutant in response to rapamycin treatment

Project description:To identify the potential Hap5-regulated genes, we treated wild type cells and hap5 mutant cells with rapamycin and their corespondent transcriptional profiles were compared. Total 608 significant genes were identified. Among them, 343 genes are upregulated in hap5 mutant in repsonse to rapamycin while 265 genes are downregulated in comparison with the wild type. Rapamycin induced gene expression in wild type and hap5-null mutant was measured after 4.5 h growth in YPD followed by 0.5 h of incubation in the presence of 0.2 ug/ml rapamycin. Four independent experiments were performed for each strain.

2013-03-24 | E-GEOD-41266 | biostudies-arrayexpress

Transcriptional profiling of Rapamycin-treated ptc6 and ptc1ptc6 mutant yeast cells

Project description:We are interested in the study of the sensitivity of yeast cells lacking either the type 1 protein phosphatase Ptc6 or Ptc1 and Ptc6 to the drug rapamycin. In order to carry out our studies, we analyzed the changes in the transcription profile that a short-term incubation with rapamycin (200 ng/mL) has in wild type, ptc6 mutant and ptc1 ptc6 double mutant cells. It has been shown that inhibition of the TOR pathway by treatment with rapamycin has profound effects on the global transcriptional profile. We confirmed the previously described transcription changes induced by the drug in wild type cells and characterized an notable attenuation of the transcriptional response in cells lacking either PTC6 or PTC1 and PTC6 genes.

2013-04-19 | GSE38256 | GEO

Gene expression comparison between yeast histone H2B WT and H2B R95A mutant without and with rapamycin treatment.

Project description:This microarray data is the Affymetrix array of RNA expressed by Wild Type and Mutant strains yeast that is untreated and treated with rapamycin. In yeast, rapamycin inhibits the TORC1 kinase signaling pathway causing rapid alteration in gene expression and ultimately cell cycle arrest in G1 and this study provides a new insight whereby rapamycin signaling via the Torc1 kinase may exploit the pheromone pathway.

2022-04-25 | GSE201413 | GEO

Transcriptional profiling of Rapamycin treatment in yeast cells lacking the Ptc1 protein phosphatase.

Project description:We are interested in the study of the already reported sensitivity of yeast cells lacking the type 1 protein phosphatase Ptc1 to the drug rapamycin. In order to carry out our studies, we analyzed the changes in the transcription profile that a short-term incubation with rapamycin (200 ng/mL) has in both, wild type and ptc1 cells. It has been shown that inhibition of the TOR pathway by treatment with rapamycin has profound effects on the global transcriptional profile. We confirmed the previously described transcription changes induced by the drug in wild type cells. Under our working conditions rapamycin increased, in wild type cells, at least 2-fold the expression of 667 genes, whereas it decreased the mRNA level of 721 genes (13.8% and 14.9% of genes with measurable expression level, respectively). Gene ontology analysis shows that, as previously documented, many induced genes falls into the NCR, Msn2/Msn4 regulated stress response or Retrograde response categories, whereas genes encoding cytoplasmic, but not mitochondrial, ribosomal proteins and the so called RIBI regulon where largely repressed. Deletion of PTC1 decreases the number of genes induced or repressed at least 2-fold by rapamycin treatment. Remarkably, lack of Ptc1 seems to lead to a general attenuation of changes triggered by rapamycin. The wt and the ptc1 mutant strains were analyzed in this series. We compared the expression profile of each strain treated with Rapamycin (200 ng/ml for 1h) with that of the same strain mock-treated (90% ethanol, 10% Tween-20). A Dye-swap was carried out for each RNA sample. Total number of chips analyzed: 4

2008-12-31 | E-GEOD-11530 | biostudies-arrayexpress

Transcriptional profiling of Rapamycin treatment in yeast cells lacking the Ptc1 protein phosphatase.

2008-12-31 | GSE11530 | GEO

Gene expression data from control and REPTOR KO larvae after 6h rapamycin treatment

Project description:The first aim was to identify genes whose transcription is induced by rapamycin feeding in Drosophila larvae. Secondly, the goal was to find out which contribution the transcription factor REPTOR (=CG13624) has to the observed changes in expression. We thus compared gene epxression between rapamycin fed and control fed larvae in wild type larvae and in REPTOR KO larvae.

2015-04-30 | GSE55220 | GEO

Gene expression data from control and REPTOR KO larvae after 6h rapamycin treatment

2015-04-30 | E-GEOD-55220 | biostudies-arrayexpress

Expression analysis of wild-type and transcription factor mutants in response to rapamycin

Project description:Transcript level changes in transcription factor mutants after rapamycin treatment, compared to the wild-type strain. This data set accompanies the study "Widespread Misinterpretable ChIP-seq Bias in Yeast" (GSE51251) Four separate wild-type cultures of yeast were grown, and each culture was split into two. Then, one was treated with DMSO and the other one was treated with rapamycin. For transcription factor mutants, two separate cultures were grown, and rapamycin was treated in the same way as treated to the wild type. Total RNA was recovered from each culture, then labeled oligo was prepared following NimbleGene standard protocol. Each chip measures the expression levels of 5,777 genes from yeast.

2013-11-15 | E-GEOD-51376 | biostudies-arrayexpress

Transcriptional responses of wild-type and Gcn2-/- Th17 cells to halofuginone and rapamycin

Project description:This study was designed to evaluate similarities and differences between transcriptional responses of developing Th17 cells to the prolyl-tRNA synthetase inhibitor, halofuginone, and the mTOR inhibitor, rapamycin. Further comparisons between wild-type and Gcn2-/- Th17 cells allow for investigation into which gene modules regulated by halofuginone or rapamycin treatment require Gcn2. Murine CD4+ CD25- T cells were magnetically isolated from wild-type or Gcn2-/- T cells. These cells were activated through anti-CD3/ anti-CD28 antibodies and polarized into Th17 cells using TGFb plus IL-6. 10 nM halofuginone, 10 nM rapamycin, or vehicle control (DMSO) were added to cultures at the time of activation. Cells were harvested at 4, 18, or 72 hours post-activation and differentiation. RNA was isolated from each sample and used for microarray analysis. Each culture condition and time-point was repeated twice in independent experiments using cells isolated from different wild-type or Gcn2-/- mice. Vehicle versus halofuginone, vehicle versus rapamycin, halofuginone versus rapamycin. Gcn2-/- versus wild-type T cells treated with vehicle, halofuginone, or rapamycin.

2014-05-29 | E-GEOD-47478 | biostudies-arrayexpress

Effects of rapamycin exposure on zebrafish ZF4 cells

Project description:mTOR inhibitor rapamycin is a well-known anticancer and immunosuppressant agent. Effects of rapamycin on zebrafish cells have not been previously studied using transcriptome analyses. Our microarray analysis on ZF4 cells showed that rapamycin treatment modulated a large set of genes with varying functions including protein synthesis, assembly of mitochondrial and proteosomal machinery, cell cycle, metabolism, and oxidative phosphorylation.

2016-12-31 | GSE53086 | GEO

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