Evidence map›Paper›PMID 8164689›Full record

ArticleMolecular and cellular biology1994

Mutations in XRS2 and RAD50 delay but do not prevent mating-type switching in Saccharomyces cerevisiae.

E L Ivanov, N Sugawara, C I White, F Fabre, J E Haber

Open access · greenAbstract read
In one paragraph

Article in Molecular and cellular biology, 1994. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 117 papers.

0numbers the graph read from it
0cells of the map it votes in
117citing papers in PubMed
3.6field-weighted citation impact, top 6% 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

117 citing papers in PubMed, 230 citations in OpenAlex.

  1. Article
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  4. Checkpoint Responses to DNA Double-Strand Breaks.Annual review of biochemistry · 2020
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57 more citing papers are in PubMed but not listed here.

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

5 authors at 2 institutions in 2 countries.

E L IvanovRosenstiel Basic Medical Sciences Research Center, Brandeis University, Waltham, Massachusetts 02254-9110.
N Sugawara
C I White
F Fabre
J E Haber
Brandeis University · USInstitut Curie · FR

Funding

Recombination Mechanisms in Yeast Cell DifferentiationR37GM020056 · NIGMS · BRANDEIS UNIVERSITY · PI HABER, JAMES E · 2007 to 2016
$5.5M
RECOMBINATION MECHANISMS IN YEAST CELL DIFFERENTIATIONR01GM020056 · NIGMS · BRANDEIS UNIVERSITY · PI HABER, JAMES E · 1985 to 2006
$3.4M
NIGMS NIH HHS GM20056
6 · The paper itself

Abstract

In Saccharomyces cerevisiae, a large number of genes in the RAD52 epistasis group has been implicated in the repair of chromosomal double-strand breaks and in both mitotic and meiotic homologous recombination. While most of these genes are essential for yeast mating-type (MAT) gene switching, neither RAD50 nor XRS2 is required to complete this specialized mitotic gene conversion process. Using a galactose-inducible HO endonuclease gene to initiate MAT switching, we have examined the effect of null mutations of RAD50 and of XRS2 on intermediate steps of this recombination event. Both rad50 and xrs2 mutants exhibit a marked delay in the completion of switching. Both mutations reduce the extent of 5'-to-3' degradation from the end of the HO-created double-strand break. The steps of initial strand invasion and new DNA synthesis are delayed by approximately 30 min in mutant cells. However, later events are still further delayed, suggesting that XRS2 and RAD50 affect more than one step in the process. In the rad50 xrs2 double mutant, the completion of MAT switching is delayed more than in either single mutant, without reducing the overall efficiency of the process. The XRS2 gene encodes an 854-amino-acid protein with no obvious similarity to the Rad50 protein or to any other protein in the database. Overexpression of RAD50 does not complement the defects in xrs2 or vice versa.

Indexed as

DNA-Binding ProteinsGenes, FungalGenes, Mating Type, FungalSaccharomyces cerevisiae ProteinsAmino Acid SequenceBase SequenceCrosses, GeneticDeoxyribonucleases, Type II Site-SpecificDNA, FungalDNA PrimersEnzyme InductionFungal ProteinsGene DeletionGenotypeKineticsMethyl MethanesulfonateDeoxyribonucleases, Type II Site-SpecificDNA-Binding ProteinsDNA, FungalDNA PrimersFungal ProteinsHO protein, S cerevisiaeMethyl MethanesulfonateRAD50 protein, S cerevisiaeSaccharomyces cerevisiae ProteinsSCEI protein, S cerevisiaeXRS2 protein, S cerevisiae

Identifiers

PMID8164689
PMCPMC358706
OpenAlexW1907621681

What OpenQuestion holds

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Registered trials

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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.