Evidence map›Paper›PMID 25825434›Full record

ArticleJournal of bacteriology2015

Role of Bacillus subtilis DNA Glycosylase MutM in Counteracting Oxidatively Induced DNA Damage and in Stationary-Phase-Associated Mutagenesis.

Martha Gómez-Marroquín, Luz E Vidales, Bernardo N Debora, Fernando Santos-Escobar, Armando Obregón-Herrera, Eduardo A Robleto, Mario Pedraza-Reyes

Open access · bronzeAbstract read
In one paragraph

Article in Journal of bacteriology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
0.6field-weighted citation impact, top 31% 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

19 citing papers in PubMed, 24 citations in OpenAlex.

  1. Article
  2. Characterization and Transcriptomic Analysis of AntarcticJournal of microbiology and biotechnology · 2026
    Article
  3. Article
  4. Microbiology and molecular biology reviews : MMBR · 2024
    Review
  5. Article
  6. Article
  7. Oxidative stress drives mutagenesis through transcription-coupled repair in bacteria.Proceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  8. Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. Roles ofJournal of bacteriology · 2019
    Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. 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

7 authors at 2 institutions in 2 countries.

Martha Gómez-MarroquínDepartment of Biology, Division of Natural and Exact Sciences, University of Guanajuato, Guanajuato, Mexico.
Luz E VidalesDepartment of Biology, Division of Natural and Exact Sciences, University of Guanajuato, Guanajuato, Mexico.
Bernardo N DeboraDepartment of Biology, Division of Natural and Exact Sciences, University of Guanajuato, Guanajuato, Mexico.
Fernando Santos-EscobarDepartment of Biology, Division of Natural and Exact Sciences, University of Guanajuato, Guanajuato, Mexico.
Armando Obregón-HerreraDepartment of Biology, Division of Natural and Exact Sciences, University of Guanajuato, Guanajuato, Mexico.
Eduardo A RobletoSchool of Life Sciences, University of Nevada, Las Vegas, Nevada, USA.
Mario Pedraza-ReyesDepartment of Biology, Division of Natural and Exact Sciences, University of Guanajuato, Guanajuato, Mexico pedrama@ugto.mx.
Universidad de Guanajuato · MXUniversity of Nevada, Las Vegas · US

Funding

Stationary phase mutagenesis, a component of cell differentiationR15GM110624 · NIGMS · UNIVERSITY OF NEVADA LAS VEGAS · PI ROBLETO, EDUARDO A · 2014 to 2014
$339k
NIGMS NIH HHS GM110624NIGMS NIH HHS R15 GM110624
6 · The paper itself

Abstract

unlabelledReactive oxygen species (ROS) promote the synthesis of the DNA lesion 8-oxo-G, whose mutagenic effects are counteracted in distinct organisms by the DNA glycosylase MutM. We report here that in Bacillus subtilis, mutM is expressed during the exponential and stationary phases of growth. In agreement with this expression pattern, results of a Western blot analysis confirmed the presence of MutM in both stages of growth. In comparison with cells of a wild-type strain, cells of B. subtilis lacking MutM increased their spontaneous mutation frequency to Rif(r) and were more sensitive to the ROS promoter agents hydrogen peroxide and 1,1'-dimethyl-4,4'-bipyridinium dichloride (Paraquat). However, despite MutM's proven participation in preventing ROS-induced-DNA damage, the expression of mutM was not induced by hydrogen peroxide, mitomycin C, or NaCl, suggesting that transcription of this gene is not under the control of the RecA, PerR, or σ(B) regulons. Finally, the role of MutM in stationary-phase-associated mutagenesis (SPM) was investigated in the strain B. subtilis YB955 (hisC952 metB5 leuC427). Results revealed that under limiting growth conditions, a mutM knockout strain significantly increased the amount of stationary-phase-associated his, met, and leu revertants produced. In summary, our results support the notion that the absence of MutM promotes mutagenesis that allows nutritionally stressed B. subtilis cells to escape from growth-limiting conditions. IMPORTANCE: The present study describes the role played by a DNA repair protein (MutM) in protecting the soil bacterium Bacillus subtilis from the genotoxic effects induced by reactive oxygen species (ROS) promoter agents. Moreover, it reveals that the genetic inactivation of mutM allows nutritionally stressed bacteria to escape from growth-limiting conditions, putatively by a mechanism that involves the accumulation and error-prone processing of oxidized DNA bases.

Indexed as

DNA DamageMutagenesisBacillus subtilisBacterial ProteinsDNA GlycosylasesGene Expression Regulation, BacterialOxidative StressStress, PhysiologicalBacterial ProteinsDNA Glycosylases

Identifiers

PMID25825434
PMCPMC4420911
OpenAlexW2151193159

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.