SCAF4 and SCAF8, Transcriptional Anti-Terminator Proteins
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA498525 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR8112710.fastq.gz | Fastqsanger.gz | |||
| SRR8112720.fastq.gz | Fastqsanger.gz | |||
| SRR8112730_1.fastq.gz | Fastqsanger.gz | |||
| SRR8112730_2.fastq.gz | Fastqsanger.gz | |||
| SRR8112740_1.fastq.gz | Fastqsanger.gz |
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Project description:Accurate regulation of RNA Polymerase II (RNAPII) transcriptional termination is a prerequisite for correct gene expression. Here we describe a role for SCAF4 and SCAF8 as anti-terminators, suppressing the use of early, alternative polyadenylation sites (PASs). The SCAF4/8 proteins bind the hyper-phosphorylated RNAPII C-terminal repeat domain (CTD) modified on both Ser2 and Ser5, and are detected at early, alternative PASs. Concomitant knockout of human SCAF4 and SCAF8 results in altered PAS selection, leading to expression of truncated mRNAs and proteins lacking functional domains, and is cell-lethal. While SCAF4 and SCAF8 thus work redundantly to suppress early termination, they also have independent, non-essential functions. SCAF8 is a positive RNAPII elongation factor, whereas SCAF4 is required for correct termination at canonical transcription termination sites in the presence of SCAF8. Together, SCAF4 and SCAF8 coordinate the transition between elongation and termination, directing PAS selection to ensure correct RNAPII transcriptional termination in human cells.
2019-05-16 | GSE121822 | GEO
Project description:Accurate regulation of RNA Polymerase II (RNAPII) transcriptional termination is a prerequisite for correct gene expression. Here we describe a role for SCAF4 and SCAF8 as anti-terminators, suppressing the use of early, alternative polyadenylation sites (PASs). The SCAF4/8 proteins bind the hyper-phosphorylated RNAPII C-terminal repeat domain (CTD) modified on both Ser2 and Ser5, and are detected at early, alternative PASs. Concomitant knockout of human SCAF4 and SCAF8 results in altered PAS selection, leading to expression of truncated mRNAs and proteins lacking functional domains, and is cell-lethal. While SCAF4 and SCAF8 thus work redundantly to suppress early termination, they also have independent, non-essential functions. SCAF8 is a positive RNAPII elongation factor, whereas SCAF4 is required for correct termination at canonical transcription termination sites in the presence of SCAF8. Together, SCAF4 and SCAF8 coordinate the transition between elongation and termination, directing PAS selection to ensure correct RNAPII transcriptional termination in human cells.
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Project description:Accurate regulation of RNA Polymerase II (RNAPII) transcriptional termination is a prerequisite for correct gene expression. Here we describe a role for SCAF4 and SCAF8 as anti-terminators, suppressing the use of early, alternative polyadenylation sites (PASs). The SCAF4/8 proteins bind the hyper-phosphorylated RNAPII C-terminal repeat domain (CTD) modified on both Ser2 and Ser5, and are detected at early, alternative PASs. Concomitant knockout of human SCAF4 and SCAF8 results in altered PAS selection, leading to expression of truncated mRNAs and proteins lacking functional domains, and is cell-lethal. While SCAF4 and SCAF8 thus work redundantly to suppress early termination, they also have independent, non-essential functions. SCAF8 is a positive RNAPII elongation factor, whereas SCAF4 is required for correct termination at canonical transcription termination sites in the presence of SCAF8. Together, SCAF4 and SCAF8 coordinate the transition between elongation and termination, directing PAS selection to ensure correct RNAPII transcriptional termination in human cells.
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Project description:Accurate regulation of RNA Polymerase II (RNAPII) transcriptional termination is a prerequisite for correct gene expression. Here we describe a role for SCAF4 and SCAF8 as anti-terminators, suppressing the use of early, alternative polyadenylation sites (PASs). The SCAF4/8 proteins bind the hyper-phosphorylated RNAPII C-terminal repeat domain (CTD) modified on both Ser2 and Ser5, and are detected at early, alternative PASs. Concomitant knockout of human SCAF4 and SCAF8 results in altered PAS selection, leading to expression of truncated mRNAs and proteins lacking functional domains, and is cell-lethal. While SCAF4 and SCAF8 thus work redundantly to suppress early termination, they also have independent, non-essential functions. SCAF8 is a positive RNAPII elongation factor, whereas SCAF4 is required for correct termination at canonical transcription termination sites in the presence of SCAF8. Together, SCAF4 and SCAF8 coordinate the transition between elongation and termination, directing PAS selection to ensure correct RNAPII transcriptional termination in human cells.
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Project description:Accurate regulation of RNA Polymerase II (RNAPII) transcriptional termination is a prerequisite for correct gene expression. Here we describe a role for SCAF4 and SCAF8 as anti-terminators, suppressing the use of early, alternative polyadenylation sites (PASs). The SCAF4/8 proteins bind the hyper-phosphorylated RNAPII C-terminal repeat domain (CTD) modified on both Ser2 and Ser5, and are detected at early, alternative PASs. Concomitant knockout of human SCAF4 and SCAF8 results in altered PAS selection, leading to expression of truncated mRNAs and proteins lacking functional domains, and is cell-lethal. While SCAF4 and SCAF8 thus work redundantly to suppress early termination, they also have independent, non-essential functions. SCAF8 is a positive RNAPII elongation factor, whereas SCAF4 is required for correct termination at canonical transcription termination sites in the presence of SCAF8. Together, SCAF4 and SCAF8 coordinate the transition between elongation and termination, directing PAS selection to ensure correct RNAPII transcriptional termination in human cells.
2019-05-16 | GSE121817 | GEO
Project description:Accurate regulation of RNA Polymerase II (RNAPII) transcriptional termination is a prerequisite for correct gene expression. Here we describe a role for SCAF4 and SCAF8 as anti-terminators, suppressing the use of early, alternative polyadenylation sites (PASs). The SCAF4/8 proteins bind the hyper-phosphorylated RNAPII C-terminal repeat domain (CTD) modified on both Ser2 and Ser5, and are detected at early, alternative PASs. Concomitant knockout of human SCAF4 and SCAF8 results in altered PAS selection, leading to expression of truncated mRNAs and proteins lacking functional domains, and is cell-lethal. While SCAF4 and SCAF8 thus work redundantly to suppress early termination, they also have independent, non-essential functions. SCAF8 is a positive RNAPII elongation factor, whereas SCAF4 is required for correct termination at canonical transcription termination sites in the presence of SCAF8. Together, SCAF4 and SCAF8 coordinate the transition between elongation and termination, directing PAS selection to ensure correct RNAPII transcriptional termination in human cells.
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