Evidence map›Paper›PMID 20977351›Full record

ReviewAntioxidants & redox signaling2011

Peroxide stress elicits adaptive changes in bacterial metal ion homeostasis.

Melinda J Faulkner, John D Helmann

Open access · greenAbstract readReview
In one paragraph

Review in Antioxidants & redox signaling, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 74 papers.

0numbers the graph read from it
0cells of the map it votes in
74citing papers in PubMed
10.5field-weighted citation impact, top 2% 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

74 citing papers in PubMed, 159 citations in OpenAlex.

  1. Deletion ofApplied and environmental microbiology · 2026
    Article
  2. Article
  3. mSystems · 2025
    Article
  4. Article
  5. Review
  6. Article
  7. Article
  8. Dpr-mediated HJournal of bacteriology · 2024
    Article
  9. Article
  10. Article
  11. Article
  12. Infection and immunity · 2024
    Article
  13. Article
  14. Manganese transporters regulate the resumption of replication in hydrogen peroxide-stressed Escherichia coli.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2023
    Article
  15. The Arsenal ofAntioxidants (Basel, Switzerland) · 2023
    Review
  16. Review
  17. Iron homeostasis inMicrobiology (Reading, England) · 2023
    Article
  18. Article
  19. The Catalase KatA Contributes to Microaerophilic HAntioxidants (Basel, Switzerland) · 2022
    Article
  20. Article

14 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

2 authors at 1 institution in 1 country.

Melinda J FaulknerDepartment of Microbiology, Cornell University, Ithaca, New York 14853-8101, USA.
John D Helmann
Cornell University · US

Funding

Zinc Homeostasis in Bacillus subtilisR01GM059323 · NIGMS · CORNELL UNIVERSITY ITHACA · PI HELMANN, JOHN D · 2000 to 2017
$4.5M
NIGMS NIH HHS GM059323NIGMS NIH HHS R01 GM059323
6 · The paper itself

Abstract

Exposure to hydrogen peroxide (H(2)O(2)) and other reactive oxygen species is a universal feature of life in an aerobic environment. Bacteria express enzymes to detoxify H(2)O(2) and to repair the resulting damage, and their synthesis is typically regulated by redox-sensing transcription factors. The best characterized bacterial peroxide-sensors are Escherichia coli OxyR and Bacillus subtilis PerR. Analysis of their regulons has revealed that, in addition to inducible detoxification enzymes, adaptation to H(2)O(2) is mediated by modifications of metal ion homeostasis. Analogous adaptations appear to be present in other bacteria as here reviewed for Deinococcus radiodurans, Neisseria gonorrhoeae, Streptococcus pyogenes, and Bradyrhizobium japonicum. As a general theme, peroxide stress elicits changes in cytosolic metal distribution with the net effect of reducing the damage caused by reactive ferrous iron. Iron levels are reduced by repression of uptake, sequestration in storage proteins, and incorporation into metalloenzymes. In addition, peroxide-inducible transporters elevate cytosolic levels of Mn(II) and/or Zn(II) that can displace ferrous iron from sensitive targets. Although bacteria differ significantly in the detailed mechanisms employed to modulate cytosolic metal levels, a high Mn:Fe ratio has emerged as one key correlate of reactive oxygen species resistance.

Indexed as

BacteriaBacterial ProteinsHydrogen PeroxideIronModels, BiologicalOxidation-ReductionBacterial ProteinsHydrogen PeroxideIron

Identifiers

PMID20977351
PMCPMC3110094
OpenAlexW2031525739

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.