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Cited by 966

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Inhibition of Respiration by Nitric Oxide Induces a Mycobacterium tuberculosis Dormancy Program

Open access
Voskuil, Martin I., Schnappinger, Dirk, Visconti, Kevin C., Harrell, Maria I., Dolganov, Gregory M., Sherman, David R., Schoolnik, Gary K.·2003·The Journal of Experimental Medicine

Abstract

An estimated two billion persons are latently infected with Mycobacterium tuberculosis. The host factors that initiate and maintain this latent state and the mechanisms by which M. tuberculosis survives within latent lesions are compelling but unanswered questions. One such host factor may be nitric oxide (NO), a product of activated macrophages that exhibits antimycobacterial properties. Evidence for the possible significance of NO comes from murine models of tuberculosis showing progressive infection in animals unable to produce the inducible isoform of NO synthase and in animals treated with a NO synthase inhibitor. Here, we show that O2 and low, nontoxic concentrations of NO competitively modulate the expression of a 48-gene regulon, which is expressed in vivo and prepares bacilli for survival during long periods of in vitro dormancy. NO was found to reversibly inhibit aerobic respiration and growth. A heme-containing enzyme, possibly the terminal oxidase in the respiratory pathway, likely senses and integrates NO and O2 levels and signals the regulon. These data lead to a model postulating that, within granulomas, inhibition of respiration by NO production and O2 limitation constrains M. tuberculosis replication rates in persons with latent tuberculosis.

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Metadata

Authors
Voskuil, M. I., Schnappinger, D., Visconti, K. C., Harrell, M. I., Dolganov, G. M., Sherman, D. R., & Schoolnik, G. K.
Venue
The Journal of Experimental Medicine
Published
2003-09-01
Volume
198
Issue
5
Pages
705-713
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W2099183065
Cited by
966
References
6
FWCI
23.24
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Inhibition of Respiration by Nitric Oxide Induces a Mycobacterium tuberculosis Dormancy Program. https://app.cochat.ai/papers/10.1084/jem.20030205
The paper
Voskuil, M. I., Schnappinger, D., Visconti, K. C., Harrell, M. I., Dolganov, G. M., Sherman, D. R., & Schoolnik, G. K. (2003). Inhibition of Respiration by Nitric Oxide Induces a Mycobacterium tuberculosis Dormancy Program. The Journal of Experimental Medicine. https://doi.org/10.1084/jem.20030205

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.