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Genetic and pharmacological evidence for kinetic competition between alternative poly(A) sites in yeast

ABSTRACT: Genetic and pharmacological evidence for kinetic competition between alternative poly(A) sites in yeast

PROVIDER: PRJNA673491 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12956000.fastq.gz	Fastqsanger.gz
	SRR12999700.fastq.gz	Fastqsanger.gz
	SRR12999800.fastq.gz	Fastqsanger.gz
	SRR12956001.fastq.gz	Fastqsanger.gz
	SRR12999701.fastq.gz	Fastqsanger.gz

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Genetic and pharmacological evidence for kinetic competition between alternative poly(A) sites in yeast - cordycepin treatment

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Genetic and pharmacological evidence for kinetic competition between alternative poly(A) sites in yeast - 3'end cleavage factors

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Project description:Genetic and pharmacological evidence for kinetic competition between alternative poly(A) sites in yeast - 3'end cleavage factor mPAT

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Genetic and pharmacological evidence for kinetic competition between alternative poly(A) sites in yeast - 4tU cordycepin treatment with rpb1 slow mutant

Project description:Genetic and pharmacological evidence for kinetic competition between alternative poly(A) sites in yeast - 4tU cordycepin treatment with rpb1 slow mutant

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Genetic and pharmacological evidence for kinetic competition between alternative poly(A) sites in yeast

Project description:This SuperSeries is composed of the SubSeries listed below.

2021-06-25 | GSE160539 | GEO

Genetic and pharmacological evidence for kinetic competition between alternative poly(A) sites in yeast - cordycepin treatment

Project description:PAT-seq approach was used to determine changes to 3'UTR length in yeast upon addition of 20µg/ml cordycepin (3'deoxyadenosine) for 0, 5, 10, 20 or 40 minutes

2021-06-25 | GSE160537 | GEO

Genetic and pharmacological evidence for kinetic competition between alternative poly(A) sites in yeast - NNS complex

Project description:PAT-seq approach was used to determine changes to 3'UTR length in yeast upon mutation of NNS subunits Nrd1 (nrd1-5), Nab3 (nab3-11) and Sen1 (sen1-1) compared to wild type cells

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Genetic and pharmacological evidence for kinetic competition between alternative poly(A) sites in yeast.

Project description:Most eukaryotic mRNAs accommodate alternative sites of poly(A) addition in the 3' untranslated region in order to regulate mRNA function. Here, we present a systematic analysis of 3' end formation factors, which revealed 3'UTR lengthening in response to a loss of the core machinery, whereas a loss of the Sen1 helicase resulted in shorter 3'UTRs. We show that the anti-cancer drug cordycepin, 3' deoxyadenosine, caused nucleotide accumulation and the usage of distal poly(A) sites. Mycophenolic acid, a drug which reduces GTP levels and impairs RNA polymerase II (RNAP II) transcription elongation, promoted the usage of proximal sites and reversed the effects of cordycepin on alternative polyadenylation. Moreover, cordycepin-mediated usage of distal sites was associated with a permissive chromatin template and was suppressed in the presence of an rpb1 mutation, which slows RNAP II elongation rate. We propose that alternative polyadenylation is governed by temporal coordination of RNAP II transcription and 3' end processing and controlled by the availability of 3' end factors, nucleotide levels and chromatin landscape.

| S-EPMC8263057 | biostudies-literature

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