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Effect of loss of function of Gal11/Med15 and Med3 from the Mediator tail module in budding yeast

ABSTRACT: Gene expression was compared for wild type yeast (BY4741) and yeast lacking Gal11/Med15 and Med3, or from a gal11-myc med3∆ strain. The gal11-myc allele shows a partial loss of function when combined with med3∆. Expression was analyzed for yeast grown in YPD as well as in CSM. We also examined gene expression of the wild type strain BY4742 grown in YPD and include that data here.

ORGANISM(S): Schizosaccharomyces pombe Saccharomyces cerevisiae

PROVIDER: GSE31774 | GEO | 2011/09/01

SECONDARY ACCESSION(S): PRJNA145277

REPOSITORIES: GEO

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Effect of loss of function of Gal11/Med15 and Med3 from the Mediator tail module in budding yeast

Project description:Gene expression was compared for wild type yeast (BY4741) and yeast lacking Gal11/Med15 and Med3, or from a gal11-myc med3â strain. The gal11-myc allele shows a partial loss of function when combined with med3â. Expression was analyzed for yeast grown in YPD as well as in CSM. We also examined gene expression of the wild type strain BY4742 grown in YPD and include that data here. Gene expression was compared for wild type yeast (BY4741 and BY4742) and yeast lacking Gal11/Med15 and Med3, or from a gal11-myc med3â strain.

2011-08-31 | E-GEOD-31774 | biostudies-arrayexpress

CEA_SGF:E00013#yap1_HU_response

Project description:Analysis of the response to hydroxyurea in a yeast yap1 mutant strain compared to wild-type strain (BY4741 or BY4742 backgrounds). Cells were grown in YPD rich medium containing 200 mM hydroxyurea (HU) for 2 hours. Keywords: repeat sample

2005-12-01 | GSE1941 | GEO

CEA SGF:E00013#yap1 aft W303a HU response

Project description:Analysis of the response to hydroxyurea in a yeast aft1 mutant strain compared to wild-type strain (BY4741 or BY4742 backgrounds). Cells were grown in YPD rich medium containong 200 mM hydroxyurea (HU) for 2 hours. Analysis of the response to hydroxyurea in a yeast aft1aft2 mutant strain (Y18aft2d) compared to wild-type strain (CM3260). Cells were grown in YPD rich medium containing 200 mM hydroxyurea (HU) for 2 hours. Gene expression changes due to the aft1 mutation were also analysed in absence of HU (BY4741 background). Analysis of mid-term response to hydroxyurea in a yeast wild-type strain (W303a). Cells were grown in YPD rich medium containing 200 mM hydroxyurea (HU) for 2 hours. Gene expression changes were analysed compared to the same strain grown in the same medium without HU. Keywords: repeat sample

2005-12-01 | GSE1914 | GEO

CEA_SGF:E00013#yap1_HU_response

2005-11-30 | E-GEOD-1941 | biostudies-arrayexpress

CEA_SGF:E00013#yap1_aft_W303a_HU_response

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ChIP-seq of Mediator subunits in Mediator mutants and wild type yeast

Project description:Mediator subunits Med17 (Srb4) and Med15 (Gal11) were subjected to ChIP in wild type yeast, med18 (srb5), med20 (srb2), and med2 med3 med15 (triple mutant) yeast, all in kin28-anchor away yeast after 1 hr rapamycin treatment to evict Kin28 from the nucleus. This results in inactivation of Kin28, which reduces Mediator turnover at promoters and allows stronger Mediator ChIP signal at promoters. <br></br>Both Med17 and Med15 were tagged with myc and precipitated using the monoclonal antibody against c-myc. Please note that a specific control for rapamycin treatment was not performed in this experiment, as that has been well documented in the literature for this experiment, using what is called the anchor away method. The untagged sample is a control for non-specific immunoprecipitation.

2017-12-01 | E-MTAB-5824 | biostudies-arrayexpress

CEA_SGF:E00015#aft_HU_response

Project description:Analysis of the response to hydroxyurea in a yeast aft1aft2 mutant strain (Y18aft2d) compared to wild-type strain (CM3260). Cells were grown in YPD rich medium containing 200 mM hydroxyurea (HU) for 2 hours. Gene expression changes due to the aft1 mutation were also analysed in absence of HU (BY4741 background). Keywords: repeat sample

2005-12-01 | GSE1942 | GEO

Heterochronic Evolution Reveals Modular Timing Changes in Budding Yeast Transcriptomes (Mutation Accumulation Lines)

Project description:45 genome-wide microarray measurements for 23 mutation accumulation lines grown in YPD liquid culture MA lines obtained by single-colony transfer on YPD plates for 600 generations, starting from a BY4741 derived strain (see Zeyl C, DeVisser JA: Estimates of the rate and distribution of fitness effects of spontaneous mutation in Saccharomyces cerevisiae. Genetics 2001, 157:53–61)

2010-10-19 | GSE24770 | GEO

Functional studies of the Yeast Mediator Tail Module Subunits

Project description:The yeast Mediator complex can be divided into three modules, designated Head, Middle and Tail. Tail comprises the Med2, Med3, Med5, Med15 and Med16 protein subunits, which are all encoded by genes that are individually non-essential for viability. In cells lacking Med16, Tail is displaced from Head and Middle. However, inactivation of MED5/MED15 and MED15/MED16 are synthetically lethal, indicating that Tail performs essential functions as a separate complex even when it is not bound to Middle and Head. We have used the N-Degron method to create temperature sensitive (ts) mutants in the Mediator tail subunits Med5, Med15 and Med16 to study the immediate effects on global gene expression when each subunit is individually inactivated, and when MED5/15 or MED15/16 are inactivated together. All Degron constructs were expressed from their normal chromosomal location under the control of their respective endogenous promoters. We isolated RNA from each strain as early as 45 minutes after changing from the permissive to the restrictive growth conditions to minimize possible secondary effects on gene expression that are not directly caused by the Degron construct(s).

2013-06-07 | E-GEOD-47712 | biostudies-arrayexpress

Functional studies of the Yeast Mediator Tail Module Subunits

2013-06-07 | GSE47712 | GEO

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