Journal
INTERNATIONAL JOURNAL OF ANTIMICROBIAL AGENTS
Volume 31, Issue 6, Pages 567-571Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijantimicag.2008.01.016
Keywords
Mycobacterium tuberculosis; antimycobacterial drug; acetohydroxyacid synthase inhibitor; non-tuberculous mycobacteria
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Sulfometuron methyl (SM) is an inhibitor of acetohydroxyacid synthase (AHAS), the first common enzyme in the branched-chain amino acid biosynthetic pathway, and shows activity against Mycobacterium tuberculosis both in vitro and in vivo. To develop AHAS inhibitor derivatives with more potent activity, 100 sulfonylurea analogues were screened for antimycobacterial activity against M. tuberculosis and non-tuberculous mycobacteria (NTM), and then evaluated for intracellular activity using mouse macrophages. Three new compounds with antimycobacterial activity comparable with that of SM were identified. These compounds exhibit significant activity against intracellular M. tuberculosis (including the drug-resistant M. tuberculosis strains), and NTM Mycobacterium abscessus and Mycobacterium kansasii, respectively. (c) 2008 Elsevier B. V. and the International Society of Chemotherapy. All rights reserved.
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