A Novel 6-Benzyl Ether Benzoxaborole Is Active against Mycobacterium tuberculosis In Vitro
Author(s) -
Nipul Patel,
Theresa O’Malley,
Yong-Kang Zhang,
Yi Xia,
Bjorn Sunde,
Lindsay Flint,
Aaron Korkegian,
Thomas R. Ioerger,
J.C. Sacchettini,
M.R. Alley,
Tanya Parish
Publication year - 2017
Publication title -
antimicrobial agents and chemotherapy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.07
H-Index - 259
eISSN - 1070-6283
pISSN - 0066-4804
DOI - 10.1128/aac.01205-17
Subject(s) - mycobacterium tuberculosis , minimum inhibitory concentration , in vitro , ic50 , ether , microbiology and biotechnology , cytotoxicity , mutant , chemistry , intracellular , bacteria , mycobacterium , pharmacology , tuberculosis , biology , biochemistry , medicine , organic chemistry , gene , genetics , pathology
We identified a novel 6-benzyl ether benzoxaborole with potent activity against Mycobacterium tuberculosis The compound had an MIC of 2 μM in liquid medium. The compound was also able to prevent growth on solid medium at 0.8 μM and was active against intracellular bacteria (50% inhibitory concentration [IC 50 ] = 3.6 μM) without cytotoxicity against eukaryotic cells (IC 50 > 100 μM). We isolated resistant mutants (MIC ≥ 100 μM), which had mutations in Rv1683, Rv3068c, and Rv0047c.
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