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Cell Biology

New bacterial path for finding iron described

Published in TB and Outbreaks Week, July 26th, 2005

A new pathway for intracellular iron acquisition by mycobacteria - including the agent that causes tuberculosis - is described by Princeton University scientists.

Tuberculosis is a major global pathogen for which there is increasing drug resistance. This iron acquisition mechanism represents a potential new antibiotic target.

Mycobacterium tuberculosis multiplies within endocytic vesicles called phagosomes within macrophages - cells of the immune system - during infection, but nothing was known about how these bacteria found the iron necessary for growth. John Groves and colleagues writing in the August 2005 issue of Nature Chemical...

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