Tuberculosis
New findings from P.A. Fontan and co-authors describe advances in tuberculosis
Published in TB and Outbreaks Week, October 27th, 2009
"In this report, we describe the M. tuberculosis sigma(B) regulon and the phenotypes of an M. tuberculosis sigB mutant strain exposed to cell envelope stress, oxidative stress, and hypoxia," wrote P.A. Fontan and colleagues.
The researchers concluded: "The sigB mutant was especially defective in survival under hypoxic conditions in vitro, but it was not attenuated for growth in THP-1 cells or during mouse and guinea pig infection."
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