Evidence map›Paper›PMID 19270272›Full record

ArticleGenetics2009

Genetic identification of factors that modulate ribosomal DNA transcription in Saccharomyces cerevisiae.

Robert D Hontz, Rachel O Niederer, Joseph M Johnson, Jeffrey S Smith

Open access · bronzeAbstract read
In one paragraph

Article in Genetics, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
1.2field-weighted citation impact, top 22% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

25 citing papers in PubMed, 39 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 1 institution in 1 country.

Robert D HontzDepartment of Biochemistry and Molecular Genetics, University of Virginia Health System, Charlottesville, Virginia 22908, USA.
Rachel O Niederer
Joseph M Johnson
Jeffrey S Smith
University of Virginia Health System · US

Funding

THE RIBOSOMAL DNA AND TRANSCRIPTIONAL SILENCINGR01GM061692 · NIGMS · UNIVERSITY OF VIRGINIA CHARLOTTESVILLE · PI SMITH, JEFFREY SCOTT · 2000 to 2004
$1.1M
NIGMS NIH HHS GM61692NIGMS NIH HHS R01 GM061692
6 · The paper itself

Abstract

Ribosomal RNA (rRNA) is transcribed from the ribosomal DNA (rDNA) genes by RNA polymerase I (Pol I). Despite being responsible for the majority of transcription in growing cells, Pol I regulation is poorly understood compared to Pol II. To gain new insights into rDNA transcriptional regulation, we developed a genetic assay in Saccharomyces cerevisiae that detects alterations in transcription from the centromere-proximal rDNA gene of the tandem array. Changes in Pol I transcription at this gene alter the expression of an adjacent, modified URA3 reporter cassette (mURA3) such that reductions in Pol I transcription induce growth on synthetic media lacking uracil. Increases in Pol I transcription induce growth on media containing 5-FOA. A transposon mutagenesis screen was performed with the reporter strain to identify genes that play a role in modulating rDNA transcription. Mutations in 68 different genes were identified, several of which were already known to function in chromatin modification and the regulation of Pol II transcription. Among the other classes of genes were those encoding proteasome subunits and multiple kinases and phosphatases that function in nutrient and stress signaling pathways. Fourteen genes were previously uncharacterized and have been named as regulators of rDNA transcription (RRT).

Indexed as

Transcription, GeneticBlotting, WesternChromatinChromatin ImmunoprecipitationDNA, RibosomalDNA Transposable ElementsHistone DeacetylasesMutagenesisReverse Transcriptase Polymerase Chain ReactionRNA, MessengerRNA Polymerase ISaccharomyces cerevisiaeChromatinDNA, RibosomalDNA Transposable ElementsHistone DeacetylasesRNA, MessengerRNA Polymerase I

Identifiers

PMID19270272
PMCPMC2674809
OpenAlexW2009855315

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.