Project description:Transcriptional profiling of the melanoma SK-mel-103 comparing control untreated cells with cells treated with 1ug/ml of polyinosine-polycytidylic acid (pIC) or 1ug/ml of pIC with polyethyleneimine (PEI) for 4 or 10 hours. Keywords: Treatment Four-condition experiment, SK-Mel-103 untreated vs. SK-Mel-103 treated with pIC/pIC+PEI at 4 and 10 hours. One replicate per array.

2010-04-08 | E-GEOD-14445 | biostudies-arrayexpress

Bacillus sp. v-76

Project description:Bacillus sp. V-76 genome sequencing

| PRJNA303228 | ENA

Mediator orchestrates PIC assembly

Project description:Mediator orchestrates PIC assembly

| PRJEB7387 | ENA

Methylacidiphilum fumariolicum strain:Pic

Project description:Methylacidiphilum fumariolicum strain Pic Genome sequencing and assembly

| PRJNA749370 | ENA

An integrated SAGA and TFIID PIC assembly pathway selective for poised and induced promoters [ChIP-Exo]

Project description:Genome-wide, little is understood about how proteins organize at inducible promoters before and after in-duction, and to what extent inducible and constitutive architectures depend on cofactors. We report that se-quence-specific transcription factors and their tethered cofactors (e.g., SAGA, Mediator, TUP, NuA4, SWI/SNF, RPD3-L) are already bound to promoters prior to induction (“poised”), rather than recruited upon induction, whereas induction recruits the pre-initiation complex (PIC). Through depletion and/or deletion ex-periments we show that SAGA does not function at constitutive promoters, although a SAGA-independent Gcn5 does acetylate +1 nucleosomes there. At poised promoters, SAGA catalyzes +1 nucleosome acetylation but not PIC assembly. At induced promoters, SAGA catalyzes acetylation, deubiquitylation, and PIC assembly. Surprisingly, SAGA mediates induction by creating a PIC that allows TFIID to stably associate, rather than creating a TFIID-independent PIC, as is generally thought. These findings suggest that inducible systems, where present, evolved on top of constitutive systems.

2022-10-27 | GSE212654 | GEO

An integrated SAGA and TFIID PIC assembly pathway selective for poised and induced promoters [RNA-Seq]

2022-10-27 | GSE212653 | GEO

Foreskin Melanocyte: control vs. treated with pIC/pIC+PEI

Project description:Transcriptional profiling of Foreskin Melanocyte comparing control untreated cells with cells treated with 1ug/ml of polyinosine-polycytidylic acid (pIC) or 1ug/ml of pIC with polyethyleneimine (PEI) for 4 or 10 hours.

2010-02-01 | GSE16337 | GEO

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