Abstract
A protocol is described for making a soluble whole-cell extract from yeast (Saccharomyces cerevisiae) that supports active and specific transcription initiation by RNA polymerases I, II, and III. Specific initiation by polymerase I decreases in high-density cultures, paralleling the decrease in abundance of the endogenous 35S rRNA precursor. This extract should be useful for studying the molecular mechanisms that regulate rRNA transcription in yeast.
MeSH Terms
Base Sequence
Cytosol/metabolism
Genes, Fungal
Molecular Sequence Data
Oligonucleotide Probes
Plasmids
RNA Polymerase I/metabolism
RNA Precursors/metabolism
RNA, Ribosomal/genetics
Restriction Mapping
Saccharomyces cerevisiae/enzymology,genetics
Transcription, Genetic
Chemicals
Oligonucleotide Probes
RNA Precursors
RNA, Ribosomal
RNA Polymerase I
Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Schultz M C
Fred Hutchinson Cancer Research Center, Seattle, WA 98104.
Choe S Y
Reeder R H
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