Cited by 57Tuberculosis Research and EpidemiologyIron Metabolism and DisordersBacterial Genetics and Biotechnology

Iron acquisition, assimilation and regulation in mycobacteria

Banerjee, Sharmistha, Farhana, Aisha, Ehtesham, Nasreen Z., Hasnain, Seyed E.·2011·Infection, Genetics and Evolution

Abstract

Iron is as crucial to the pathogen as it is to the host. The tuberculosis causing bacillus, Mycobacterium tuberculosis (M.tb), is an exceptionally efficient pathogen that has evolved proficient mechanisms to sequester iron from the host despite its thick mycolate-rich outer covering and a highly impermeable membrane of phagolysosome within which it persists inside an infected host macrophage. Further, both overindulgence and moderation of iron inside a host are a threat to mycobacterial persistence. While for removing iron from the host reservoirs, mycobacteria synthesize molecules that have several times higher affinity for iron than their host counterparts, they also synthesize molecules for efficient storage of excess iron. This is supported by tightly regulated iron dependent global gene expressions. In this review we discuss the various molecules and pathways evolved by mycobacteria for an efficient iron metabolism. We also discuss the less investigated players, like iron responsive proteins and iron responsive elements in mycobacteria, and highlight the lacunae in our current understanding of iron acquisition and utilization in mycobacteria with an ultimate aim to make iron metabolism as a possible anti-mycobacterial target.

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Crossref · 10.1016/j.meegid.2011.02.016

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Authors
Banerjee, S., Farhana, A., Ehtesham, N. Z., & Hasnain, S. E.
Affiliations
  • University of Hyderabad (IN)
  • University of Alabama (US)
  • Jawaharlal Nehru Centre for Advanced Scientific Research (IN)
Corresponding author
Hasnain, Seyed E.
Venue
Infection, Genetics and Evolution
Publisher
Elsevier BV
Published
2011-07
Volume
11
Issue
5
Pages
825-838
ISSN
1567-1348 (ISSN-L)
OpenAlex
W2095015980
Cited by
57
References
132
Citations by year
2026: 1 · 2025: 1 · 2024: 6 · 2023: 3 · 2022: 6 · 2021: 5 · 2020: 4 · 2019: 2 · 2018: 3 · 2017: 4 · 2016: 4 · 2015: 4 · 2014: 3 · 2013: 8 · 2012: 1
FWCI
0.56
Type
journal article
Language
en
Open access
closed
Locations
  • Infection Genetics and Evolution (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Tuberculosis Research and Epidemiology
  • Health Sciences › Medicine › Hematology › Iron Metabolism and Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
Keywords
iron acquisition, iron metabolism, Mycobacterium tuberculosis, mycobacteria, iron sequestration, iron storage, iron-responsive element, global gene regulation, phagolysosomes, mycolic acids, tuberculosis
MeSH terms
Biological Transport, Humans, Iron, Mycobacterium, Mycobacterium Infections, Gene Expression Regulation, Bacterial

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