Unknown,Transcriptomics,Genomics,Proteomics

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Genome-wide analysis of the SNAPc complex [Illumina array]


ABSTRACT: The small nuclear RNA (snRNA)-activating protein complex (SNAPc) is a basal transcription factor that mediates the transcriptional activation of snRNAs. Here, we describe the genome-wide occupancy of the SNAPC1_and SNAPC4 subunits of SNAPc. While the SNAPC4 occupancy was in accord with the role for SNAPc in snRNA transcription, SNAPC1_displayed a broader genomic profile mirroring that of RNA polymerase II at highly active protein-coding genes. Our functional analysis revealed a role for SNAPC1_in regulation of both basal and activator-induced transcription of protein-coding genes. These studies expand the role for SNAPC1_beyond its regulation of snRNA transcription. EGF stimulation of Hela cells, transfected with a control sh (scr) or a SNAPC1_sh

ORGANISM(S): Homo sapiens

SUBMITTER: Alessandro Gardini 

PROVIDER: E-GEOD-41528 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Requirement for SNAPC1 in transcriptional responsiveness to diverse extracellular signals.

Baillat David D   Gardini Alessandro A   Cesaroni Matteo M   Shiekhattar Ramin R  

Molecular and cellular biology 20120910 22


Initiation of transcription of RNA polymerase II (RNAPII)-dependent genes requires the participation of a host of basal transcription factors. Among genes requiring RNAPII for transcription, small nuclear RNAs (snRNAs) display a further requirement for a factor known as snRNA-activating protein complex (SNAPc). The scope of the biological function of SNAPc and its requirement for transcription of protein-coding genes has not been elucidated. To determine the genome-wide occupancy of SNAPc, we pe  ...[more]

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