Evidence map›Paper›PMID 22674789›Full record

ArticleYeast (Chichester, England)2012

A new method to efficiently induce a site-specific double-strand break in the fission yeast Schizosaccharomyces pombe.

Sham Sunder, Nikole T Greeson-Lott, Kurt W Runge, Steven L Sanders

Open access · greenAbstract readEvaluation Study
In one paragraph

Article in Yeast (Chichester, England), 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
0.5field-weighted citation impact, top 36% 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

17 citing papers in PubMed, 23 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 2 institutions in 1 country.

Sham SunderDepartment of Biochemistry and Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH, USA.
Nikole T Greeson-Lott
Kurt W Runge
Steven L Sanders
Case Western Reserve University · USCleveland Clinic · US

Funding

TUMOR METABOLISM PROGRAMP30CA043703 · NCI · CASE WESTERN RESERVE UNIVERSITY · PI MARK R CHANCE · 1987 to 2026
$142.3M
REGULATION OF TELOMERE LENGTHR01GM050752 · NIGMS · CLEVELAND CLINIC LERNER COM-CWRU · PI RUNGE, KURT W · 1994 to 2012
$3.2M
Control of Yeast Life SpanR01AG019960 · NIA · CLEVELAND CLINIC LERNER COM-CWRU · PI RUNGE, KURT W · 2001 to 2014
$3.2M
NCI NIH HHS P30 CA043703NCI NIH HHS P30 CA43703NIA NIH HHS AG19960NIA NIH HHS R01 AG019960NIGMS NIH HHS GM50752NIGMS NIH HHS R01 GM050752
6 · The paper itself

Abstract

Double-strand DNA breaks are a serious threat to cellular viability and yeast systems have proved invaluable in helping to understand how these potentially toxic lesions are sensed and repaired. An important method to study the processing of DNA breaks in the budding yeast Saccharomyces cerevisiae is to introduce a unique double-strand break into the genome by regulating the expression of the site-specific HO endonuclease with a galactose inducible promoter. Variations of the HO site-specific DSB assay have been adapted to many organisms, but the methodology has seen only limited use in the fission yeast Schizosaccharomyces pombe because of the lack of a promoter capable of inducing endonuclease expression on a relatively short time scale (~1 h). We have overcome this limitation by developing a new assay in which expression of the homing endonuclease I-PpoI is tightly regulated with a tetracycline-inducible promoter. We show that induction of the I-PpoI endonuclease produces rapid cutting of a defined cleavage site (> 80% after 1 h), efficient cell cycle arrest and significant accumulation of the checkpoint protein Crb2 at break-adjacent regions in a manner that is analogous to published findings with DSBs produced by an acute exposure to ionizing irradiation. This assay provides an important new tool for the fission yeast community and, because many aspects of mammalian chromatin organization have been well-conserved in Sz. pombe but not in S. cerevisiae, also offers an attractive system to decipher the role of chromatin structure in modulating the repair of double-stranded DNA breaks.

Indexed as

DNA Breaks, Double-StrandedGenetic TechniquesDNA RepairEndonucleasesGene Expression Regulation, FungalGenome, FungalSchizosaccharomycesSchizosaccharomyces pombe ProteinsEndonucleasesSchizosaccharomyces pombe Proteins

Identifiers

PMID22674789
PMCPMC3389596
OpenAlexW1851871403

What OpenQuestion holds

Textmetadata
LicenceTDM
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.