Cited by 125Tuberculosis Research and EpidemiologyBacterial Genetics and BiotechnologyIron Metabolism and Disorders

Self-poisoning of Mycobacterium tuberculosis by interrupting siderophore recycling

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Jones, Christopher M., Wells, Ryan M., Madduri, Ashoka V. R., Renfrow, Matthew B., Ratledge, Colin, Moody, D. Branch, Niederweis, Michael·2014·Proceedings of the National Academy of Sciences

Abstract

Significance: Many bacteria acquire iron from the environment by secreting small iron-binding molecules called siderophores. Mycobacterium tuberculosis , the causative agent of tuberculosis, produces the siderophores mycobactin and carboxymycobactin. Here, we demonstrate that M. tuberculosis recycles its siderophores to enable efficient iron use. Disrupting this process causes the intracellular accumulation of deferrated siderophores, which poisons M. tuberculosis. Both externally available and internally synthesized siderophores are toxic for the recycling-deficient mutant, despite its ability to use heme as an iron source. These findings suggest that targeting siderophore recycling may lead to the development of much-needed drugs to combat one of the world’s most deadly bacterial pathogens.

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  • M. tuberculosis recycles siderophores to enable efficient iron use, whereas disruption of this process results in iron-mediated self-poisoning of the bacteria.

    “Recent evidence suggest that M. tuberculosis recycle siderophores to enable efficient iron use, whereas disruption of this process results in iron-mediated self-poisoning of the bacteria (209).”

    From Macrophage defense mechanisms against intracellular bacteria (2015) · cites this paper as [209]

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Authors
Jones, C. M., Wells, R. M., Madduri, A. V. R., Renfrow, M. B., Ratledge, C., Moody, D. B., & Niederweis, M.
Affiliations
  • University of Alabama at Birmingham (US)
  • Brigham and Women's Hospital (US)
  • University of Hull (GB)
Venue
Proceedings of the National Academy of Sciences
Published
2014-01-13
Volume
111
Issue
5
Pages
1945-1950
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W1974201067
Cited by
125
References
47
Citations by year
2026: 7 · 2025: 12 · 2024: 6 · 2023: 13 · 2022: 9 · 2021: 8 · 2020: 8 · 2019: 7 · 2018: 17 · 2017: 9 · 2016: 11 · 2015: 15 · 2014: 2
FWCI
8.67
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • University of Alabama at Birmingham (T32 GM008361)
  • University of Alabama
  • National Institutes of Health (AI074805)
  • Science and Technology Facilities Council (ST/H002235/1, PP/E00119X/1, ST/K001000/1)
  • National Institute of General Medical Sciences (T32GM008361)
  • National Institute of Allergy and Infectious Diseases (AI074805, T32 AI 07041, T32AI007493, P01AI074805, T32AI007041, R01AI083632, AI083632)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Tuberculosis Research and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
  • Health Sciences › Medicine › Hematology › Iron Metabolism and Disorders
Keywords
Mycobacterium tuberculosis, mycobactin, iron acquisition, antibiotic targets, tuberculosis
MeSH terms
Biological Transport, Genes, Bacterial, Iron, Models, Biological, Mutation, Mycobacterium tuberculosis, Oxazoles, Promoter Regions, Genetic, Salts, Siderophores, Intracellular Space

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