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Involvement of Holliday junction resolvase in fluoroquinolone-mediated killing of Mycobacterium smegmatis.
Long, Quanxin; Du, Qinglin; Fu, Tiwei; Drlica, Karl; Zhao, Xilin; Xie, Jianping.
Afiliación
  • Long Q; Institute of Modern Biopharmaceuticals, State Key Laboratory Breeding Base of Eco-Environment and Bio-Resource of the Three Gorges Area, Key Laboratory of Ministry of Education Eco-Environment of the Three Gorges Reservoir Region, School of Life Sciences, Southwest University, Beibei District, Chong
  • Du Q; Institute of Modern Biopharmaceuticals, State Key Laboratory Breeding Base of Eco-Environment and Bio-Resource of the Three Gorges Area, Key Laboratory of Ministry of Education Eco-Environment of the Three Gorges Reservoir Region, School of Life Sciences, Southwest University, Beibei District, Chong
  • Fu T; Institute of Modern Biopharmaceuticals, State Key Laboratory Breeding Base of Eco-Environment and Bio-Resource of the Three Gorges Area, Key Laboratory of Ministry of Education Eco-Environment of the Three Gorges Reservoir Region, School of Life Sciences, Southwest University, Beibei District, Chong
  • Drlica K; Public Health Research Institute and Department of Microbiology, Biochemistry, and Molecular Genetics, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey, USA.
  • Zhao X; Public Health Research Institute and Department of Microbiology, Biochemistry, and Molecular Genetics, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey, USA State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen U
  • Xie J; Institute of Modern Biopharmaceuticals, State Key Laboratory Breeding Base of Eco-Environment and Bio-Resource of the Three Gorges Area, Key Laboratory of Ministry of Education Eco-Environment of the Three Gorges Reservoir Region, School of Life Sciences, Southwest University, Beibei District, Chong
Antimicrob Agents Chemother ; 59(3): 1782-5, 2015 Mar.
Article en En | MEDLINE | ID: mdl-25534729
ABSTRACT
The absence of the Holliday-junction Ruv resolvase of Mycobacterium smegmatis increased the bacteriostatic and bactericidal activities of the fluoroquinolone moxifloxacin, an important antituberculosis agent. The treatment of ruvAB-deficient cells with thiourea and 2,2'-bipyridyl lowered moxifloxacin lethality to wild-type levels, indicating that the absence of ruvAB stimulates a lethal pathway involving reactive oxygen species. A hexapeptide that traps the Holliday junction substrate of RuvAB potentiated moxifloxacin-mediated lethality, supporting the development of small-molecule enhancers for moxifloxacin activity against mycobacteria.
Asunto(s)

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Mycobacterium smegmatis / Fluoroquinolonas / Resolvasas de Unión Holliday Idioma: En Revista: Antimicrob Agents Chemother Año: 2015 Tipo del documento: Article

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Mycobacterium smegmatis / Fluoroquinolonas / Resolvasas de Unión Holliday Idioma: En Revista: Antimicrob Agents Chemother Año: 2015 Tipo del documento: Article