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Science 14 January 1994:
Vol. 263. no. 5144, pp. 227 - 230
DOI: 10.1126/science.8284673

Articles

Science, Vol 263, Issue 5144, 227-230
Copyright © 1994 by American Association for the Advancement of Science


articles

inhA, a gene encoding a target for isoniazid and ethionamide in Mycobacterium tuberculosis

A Banerjee, E Dubnau, A Quemard, V Balasubramanian, KS Um, T Wilson, D Collins, G de Lisle, and WR Jacobs Jr

Howard Hughes Medical Institute, Albert Einstein College of Medicine, Bronx, NY 10461.

Isoniazid (isonicotinic acid hydrazide, INH) is one of the most widely used antituberculosis drugs, yet its precise target of action on Mycobacterium tuberculosis is unknown. A missense mutation within the mycobacterial inhA gene was shown to confer resistance to both INH and ethionamide (ETH) in M. smegmatis and in M. bovis. The wild-type inhA gene also conferred INH and ETH resistance when transferred on a multicopy plasmid vector to M. smegmatis and M. bovis BCG. The InhA protein shows significant sequence conservation with the Escherichia coli enzyme EnvM, and cell-free assays indicate that it may be involved in mycolic acid biosynthesis. These results suggest that InhA is likely a primary target of action for INH and ETH.


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V. M. Bulatovic, N. L. Wengenack, J. R. Uhl, L. Hall, G. D. Roberts, F. R. Cockerill III, and F. Rusnak (2002)
Antimicrob. Agents Chemother. 46, 2765-2771
   Abstract »    Full Text »    PDF »
Isoniazid-Induced Transient High-Level Resistance in Mycobacterium tuberculosis.
M. Viveiros, I. Portugal, R. Bettencourt, T. C. Victor, A. M. Jordaan, C. Leandro, D. Ordway, and L. Amaral (2002)
Antimicrob. Agents Chemother. 46, 2804-2810
   Abstract »    Full Text »    PDF »
Mn(III) Pyrophosphate as an Efficient Tool for Studying the Mode of Action of Isoniazid on the InhA Protein of Mycobacterium tuberculosis.
M. Nguyen, A. Quemard, S. Broussy, J. Bernadou, and B. Meunier (2002)
Antimicrob. Agents Chemother. 46, 2137-2144
   Abstract »    Full Text »    PDF »
Mycobacterium tuberculosis Genes Induced during Infection of Human Macrophages.
E. Dubnau, P. Fontan, R. Manganelli, S. Soares-Appel, and I. Smith (2002)
Infect. Immun. 70, 2787-2795
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The Antituberculosis Drug Ethionamide Is Activated by a Flavoprotein Monooxygenase.
T. A. Vannelli, A. Dykman, and P. R. Ortiz de Montellano (2002)
J. Biol. Chem. 277, 12824-12829
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MabA (FabG1), a Mycobacterium tuberculosis protein involved in the long-chain fatty acid elongation system FAS-II.
H. Marrakchi, S. Ducasse, G. Labesse, H. Montrozier, E. Margeat, L. Emorine, X. Charpentier, M. Daffe, and A. Quemard (2002)
Microbiology 148, 951-960
   Abstract »    Full Text »    PDF »
In Vitro Antimycobacterial Activities of 2'-Monosubstituted Isonicotinohydrazides and Their Cyanoborane Adducts.
R. Maccari, R. Ottana, F. Monforte, and M. G. Vigorita (2002)
Antimicrob. Agents Chemother. 46, 294-299
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Rapid Detection of Pyrazinamide-Resistant Mycobacterium tuberculosis by a PCR-Based In Vitro System.
Y. Suzuki, A. Suzuki, A. Tamaru, C. Katsukawa, and H. Oda (2002)
J. Clin. Microbiol. 40, 501-507
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Purification and Biochemical Characterization of the Mycobacterium tuberculosisbeta -Ketoacyl-acyl Carrier Protein Synthases KasA and KasB.
M. L. Schaeffer, G. Agnihotri, C. Volker, H. Kallender, P. J. Brennan, and J. T. Lonsdale (2001)
J. Biol. Chem. 276, 47029-47037
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Resistance to Nucleoside Analog Reverse Transcriptase Inhibitors Mediated by Human Immunodeficiency Virus Type 1 p6 Protein.
S. Peters, M. Munoz, S. Yerly, V. Sanchez-Merino, C. Lopez-Galindez, L. Perrin, B. Larder, D. Cmarko, S. Fakan, P. Meylan, et al. (2001)
J. Virol. 75, 9644-9653
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In Vitro Activity of a Novel Antimycobacterial Compound, N-Octanesulfonylacetamide, and Its Effects on Lipid and Mycolic Acid Synthesis.
N. M. Parrish, T. Houston, P. B. Jones, C. Townsend, and J. D. Dick (2001)
Antimicrob. Agents Chemother. 45, 1143-1150
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The Susceptibility of Mycobacterium tuberculosis to Isoniazid and the Arg{right-arrow}Leu Mutation at Codon 463 of katG Are Not Associated.
H. R. van Doorn, E. J. Kuijper, A. van der Ende, A. G. A. Welten, D. van Soolingen, P. E. W. de Haas, and J. Dankert (2001)
J. Clin. Microbiol. 39, 1591-1594
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Differential expression of mycobacterial proteins following phagocytosis by macrophages.
I. M. Monahan, J. Betts, D. K. Banerjee, and P. D. Butcher (2001)
Microbiology 147, 459-471
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Use of Real-Time PCR and Fluorimetry for Rapid Detection of Rifampin and Isoniazid Resistance-Associated Mutations in Mycobacterium tuberculosis.
M. J. Torres, A. Criado, J. C. Palomares, and J. Aznar (2000)
J. Clin. Microbiol. 38, 3194-3199
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Ethionamide activation and sensitivity in multidrug-resistant Mycobacterium tuberculosis.
A. E. DeBarber, K. Mdluli, M. Bosman, L.-G. Bekker, and C. E. Barry 3rd (2000)
PNAS 97, 9677-9682
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Inactivation of the inhA-Encoded Fatty Acid Synthase II (FASII) Enoyl-Acyl Carrier Protein Reductase Induces Accumulation of the FASI End Products and Cell Lysis of Mycobacterium smegmatis.
C. Vilchèze, H. R. Morbidoni, T. R. Weisbrod, H. Iwamoto, M. Kuo, J. C. Sacchettini, and W. R. Jacobs Jr. (2000)
J. Bacteriol. 182, 4059-4067
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Characterization of the Mycobacterium tuberculosis iniBAC Promoter, a Promoter That Responds to Cell Wall Biosynthesis Inhibition.
D. Alland, A. J. Steyn, T. Weisbrod, K. Aldrich, and W. R. Jacobs Jr. (2000)
J. Bacteriol. 182, 1802-1811
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Inhibition of the Staphylococcus aureus NADPH-dependent Enoyl-Acyl Carrier Protein Reductase by Triclosan and Hexachlorophene.
R. J. Heath, J. Li, G. E. Roland, and C. O. Rock (2000)
J. Biol. Chem. 275, 4654-4659
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Disruption of the Genes Encoding Antigen 85A and Antigen 85B of Mycobacterium tuberculosis H37Rv: Effect on Growth in Culture and in Macrophages.
L. Y. Armitige, C. Jagannath, A. R. Wanger, and S. J. Norris (2000)
Infect. Immun. 68, 767-778
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InhA, a target of the antituberculous drug isoniazid, is involved in a mycobacterial fatty acid elongation system, FAS-II.
H. Marrakchi, G. Lanéelle, and A. Quémard (2000)
Microbiology 146, 289-296
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Action Mechanism of Antitubercular Isoniazid. ACTIVATION BY MYCOBACTERIUM TUBERCULOSIS KatG, ISOLATION, AND CHARACTERIZATION OF InhA INHIBITOR.
B. Lei, C.-J. Wei, and S.-C. Tu (2000)
J. Biol. Chem. 275, 2520-2526
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High-Dose Isoniazid Therapy for Isoniazid-Resistant Murine Mycobacterium tuberculosis Infection.
M. H. Cynamon, Y. Zhang, T. Harpster, S. Cheng, and M. S. DeStefano (1999)
Antimicrob. Agents Chemother. 43, 2922-2924
   Abstract »    Full Text »



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