Evidence map›Paper›PMID 12057944›Full record

ArticleJournal of bacteriology2002

Nitric oxide-induced homologous recombination in Escherichia coli is promoted by DNA glycosylases.

Erik J Spek, Laurel N Vuong, Tetsuya Matsuguchi, Martin G Marinus, Bevin P Engelward

Open access · greenAbstract read
In one paragraph

Article in Journal of bacteriology, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
1.0field-weighted citation impact, top 24% 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

20 citing papers in PubMed, 37 citations in OpenAlex.

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  10. Single cell trapping and DNA damage analysis using microwell arrays.Proceedings of the National Academy of Sciences of the United States of America · 2010
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  19. Inhibition of bacterial DNA replication by zinc mobilization during nitrosative stress.Proceedings of the National Academy of Sciences of the United States of America · 2003
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  20. Article
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 1 country.

Erik J SpekDivision of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
Laurel N Vuong
Tetsuya Matsuguchi
Martin G Marinus
Bevin P Engelward
Massachusetts Institute of Technology · USUniversity of Massachusetts Chan Medical School · US

Funding

"Mechanisms of Damage-Induced Homologous Recombination"R01CA079827 · NCI · MASSACHUSETTS INSTITUTE OF TECHNOLOGY · PI ENGELWARD, BEVIN P. · 1999 to 2011
$1.9M
RADIOPHARMACEUTICALS FOR POSITRON TOMOGRAPHY AND CANCERR01CA026371 · NCI · MASSACHUSETTS GENERAL HOSPITAL · PI ELMALEH, DAVID R · 1985 to 1986
–
NCI NIH HHS CA26371-21NCI NIH HHS R01 CA079827NCI NIH HHS R01CA79827-0
6 · The paper itself

Abstract

Nitric oxide (NO*) is involved in neurotransmission, inflammation, and many other biological processes. Exposure of cells to NO* leads to DNA damage, including formation of deaminated and oxidized bases. Apurinic/apyrimidinic (AP) endonuclease-deficient cells are sensitive to NO* toxicity, which indicates that base excision repair (BER) intermediates are being generated. Here, we show that AP endonuclease-deficient cells can be protected from NO* toxicity by inactivation of the uracil (Ung) or formamidopyrimidine (Fpg) DNA glycosylases but not by inactivation of a 3-methyladenine (AlkA) DNA glycosylase. These results suggest that Ung and Fpg remove nontoxic NO*-induced base damage to create BER intermediates that are toxic if they are not processed by AP endonucleases. Our next goal was to learn how Ung and Fpg affect susceptibility to homologous recombination. The RecBCD complex is critical for repair of double-strand breaks via homologous recombination. When both Ung and Fpg were inactivated in recBCD cells, survival was significantly enhanced. We infer that both Ung and Fpg create substrates for recombinational repair, which is consistent with the observation that disrupting ung and fpg suppressed NO*-induced recombination. Taken together, a picture emerges in which the action of DNA glycosylases on NO*-induced base damage results in the accumulation of BER intermediates, which in turn can induce homologous recombination. These studies shed light on the underlying mechanism of NO*-induced homologous recombination.

Indexed as

Recombination, GeneticCarbon-Oxygen LyasesDNA-(Apurinic or Apyrimidinic Site) LyaseDNA DamageDNA-Directed DNA PolymeraseDNA-Formamidopyrimidine GlycosylaseDNA GlycosylasesDNA RepairEscherichia coliEscherichia coli ProteinsExodeoxyribonucleasesExodeoxyribonuclease VMutationN-Glycosyl HydrolasesNitric OxideUracil-DNA GlycosidaseCarbon-Oxygen LyasesDNA-(Apurinic or Apyrimidinic Site) LyaseDNA-Directed DNA PolymeraseDNA-Formamidopyrimidine GlycosylaseDNA-formamidopyrimidine glycosylase, E coliDNA GlycosylasesEscherichia coli ProteinsExodeoxyribonucleasesExodeoxyribonuclease VN-Glycosyl HydrolasesNitric OxideUmuC protein, E coliUmuD protein, E coliUracil-DNA Glycosidase

Identifiers

PMID12057944
PMCPMC135131
OpenAlexW2131332448

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.