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Curr Opin Microbiol. 2000 Feb;3(1):35-42.

Reactive nitrogen intermediates and the pathogenesis of Salmonella and mycobacteria.

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  • 1Department of Microbiology and Immunology, Box 62, Graduate Program in Immunology, Weill Cornell Medical College, New York, NY 10021, USA.

Abstract

Over the past decade, reactive nitrogen intermediates joined reactive oxygen intermediates as a biochemically parallel and functionally non-redundant pathway for mammalian host resistance to many microbial pathogens. The past year has brought a new appreciation that these two pathways are partially redundant, such that each can compensate in part for the absence of the other. In combination, their importance to defense of the murine host is greater than previously appreciated. In addition to direct microbicidal actions, reactive nitrogen intermediates have immunoregulatory effects relevant to the control of infection. Genes have been characterized in Mycobacterium tuberculosis and Salmonella typhimurium that may regulate the ability of pathogens to resist reactive nitrogen and oxygen intermediates produced by activated macrophages.

PMID:
10679417
[PubMed - indexed for MEDLINE]
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