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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Fate of Legionella pneumophila in macrophages of C57BL/6 chronic granulomatous disease mice.

We compared the intracellular survival and growth of Legionella pneumophila Philadelphia-1 in peritoneal macrophages obtained from A/J, C57BL/6, and X-linked chronic granulomatous disease (CGD) mice produced from C57BL/6 strain. The initial killing was observed in A/J and C57BL/6 macrophages at 2, 4 and 6 hr after in vitro phagocytosis, but not in the CGD macrophages. Thereafter, there was a 10-fold increase of CFU in A/J macrophages. The bacteria, however, did not proliferate in C57BL/6 and CGD macrophages at 24 or 48 hr after in vitro phagocytosis. These results suggest that effector molecules for the initial killing are a superoxide anion and its metabolites, and Lgn1 gene product inhibits the intracellular growth of L. pneumophila independently of NADPH oxidase.[1]

References

  1. Fate of Legionella pneumophila in macrophages of C57BL/6 chronic granulomatous disease mice. Saito, M., Kajiwara, H., Miyamoto, H., Yoshida, S. Microbiol. Immunol. (2001) [Pubmed]
 
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