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Updated: Feb 13, 2026

Imaging Mycobacterium tuberculosis in Mice with Reporter Enzyme Fluorescence
Published on: February 26, 2018
The 7-phenyl benzoxaborole series is active against Mycobacterium tuberculosis
Aaron Korkegian1, Theresa O'Malley1, Yi Xia2
1TB Discovery Research, Infectious Disease Research Institute, Seattle, WA, USA.
Abstract:
We identified a series of novel 7-phenyl benzoxaborole compounds with activity against Mycobacterium tuberculosis. Compounds had a range of activity with inhibitory concentrations (IC90) as low as 5.1 μM and no cytotoxicity against eukaryotic cells (IC50 > 50 μM). Compounds were active against intracellular mycobacteria cultured in THP-1 macrophages. We isolated and characterized resistant mutants with mutations in NADH dehydrogenase (Ndh) or the regulatory protein Mce3R. Mutations suggest that Ndh may be the target of this series.
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