Characterization of the NAD(P)H oxidase and metronidazole reductase activities of the RdxA nitroreductase of Helicobacter pylori

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Characterization of the NAD(P)H oxidase and metronidazole reductase activities of the RdxA nitroreductase of Helicobacter pylori is …
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scholarly articleQ13442814

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P356DOI10.1111/J.1742-4658.2009.07060.X
P932PMC publication ID2751797
P698PubMed publication ID19438716
P5875ResearchGate publication ID24423967

P50authorIgor OlekhnovichQ57201980
P2093author name stringPaul S Hoffman
Avery Goodwin
P2860cites workMutation discovery in bacterial genomes: metronidazole resistance in Helicobacter pylori.Q50747378
Redox potential and oxygen concentration as factors in the susceptibility of Helicobacter pylori to nitroheterocyclic drugs.Q54172088
Proposed mechanism for metronidazole resistance in Helicobacter pyloriQ68019986
Oxygen scavenging, NADH oxidase and metronidazole resistance in Helicobacter pyloriQ73208184
KINETICS AND MECHANISM OF ACTION OF GLUCOSE OXIDASEQ77220826
Drug targets and mechanisms of resistance in the anaerobic protozoaQ24550694
Helicobacter pyloriQ24683623
Enzymes associated with reductive activation and action of nitazoxanide, nitrofurans, and metronidazole in Helicobacter pyloriQ28205159
Identification of a Mycobacterium tuberculosis putative classical nitroreductase gene whose expression is coregulated with that of the acr aene within macrophages, in standing versus shaking cultures, and under low oxygen conditions.Q28486565
Flavodoxin:quinone reductase (FqrB): a redox partner of pyruvate:ferredoxin oxidoreductase that reversibly couples pyruvate oxidation to NADPH production in Helicobacter pylori and Campylobacter jejuniQ30443522
Antisense RNA modulation of alkyl hydroperoxide reductase levels in Helicobacter pylori correlates with organic peroxide toxicity but not infectivity.Q30444464
Oxidases and reductases are involved in metronidazole sensitivity in Helicobacter pyloriQ32151368
Why metronidazole is active against both bacteria and parasitesQ33676773
Analysis of rdxA and involvement of additional genes encoding NAD(P)H flavin oxidoreductase (FrxA) and ferredoxin-like protein (FdxB) in metronidazole resistance of Helicobacter pylori.Q33980234
Sequential inactivation of rdxA (HP0954) and frxA (HP0642) nitroreductase genes causes moderate and high-level metronidazole resistance in Helicobacter pyloriQ33994585
Activation of the OxyR transcription factor by reversible disulfide bond formationQ34459806
The diverse antioxidant systems of Helicobacter pyloriQ34569491
Metronidazole. A therapeutic review and updateQ34743506
Identification of carboxylation enzymes and characterization of a novel four-subunit pyruvate:flavodoxin oxidoreductase from Helicobacter pyloriQ35589915
From bench to bedside for gene-directed enzyme prodrug therapy of cancerQ36061340
The NADPH quinone reductase MdaB confers oxidative stress resistance to Helicobacter hepaticusQ36536972
Production of superoxide and hydrogen peroxide in medium used to culture Legionella pneumophila: catalytic decomposition by charcoalQ36712375
Reduction of polynitroaromatic compounds: the bacterial nitroreductases.Q37114805
Mechanisms of flavoprotein-catalyzed reactionsQ38625599
Metronidazole activation is mutagenic and causes DNA fragmentation in Helicobacter pylori and in Escherichia coli containing a cloned H. pylori RdxA(+) (Nitroreductase) geneQ39500646
Respiratory physiology and energy conservation efficiency of Campylobacter jejuniQ39983894
SIMPLE METHOD OF ANAEROBIC CULTIVATION, WITH REMOVAL OF OXYGEN BY A BUFFERED GLUCOSE OXIDASE-CATALASE SYSTEM.Q40250808
Synthesis and evaluation of nitroheterocyclic carbamate prodrugs for use with nitroreductase-mediated gene-directed enzyme prodrug therapyQ40612485
Regulation of the synthesis of superoxide dismutase in Escherichia coli. Induction by methyl viologenQ40820142
Virus directed enzyme prodrug therapy for ovarian and pancreatic cancer using retrovirally delivered E. coli nitroreductase and CB1954.Q40954656
Quantitative structure-activity relationships in two-electron reduction of nitroaromatic compounds by Enterobacter cloacae NAD(P)H:nitroreductaseQ43613432
Potential involvement of several nitroreductases in metronidazole resistance in Helicobacter pyloriQ43697807
Flavin thermodynamics explain the oxygen insensitivity of enteric nitroreductases.Q44228067
Experience with 'triple' anti-Helicobacter pylori eradication therapy: side effects and the importance of testing the pre-treatment bacterial isolate for metronidazole resistance.Q44701699
Escherichia coli-nitroreductase suicide gene control of human telomerase reverse transcriptase-transduced minor histocompatibility antigen-specific cytotoxic T cellsQ44817209
Structural and mechanistic studies of Escherichia coli nitroreductase with the antibiotic nitrofurazone. Reversed binding orientations in different redox states of the enzyme.Q45246483
Virus-directed enzyme prodrug therapy: intratumoral administration of a replication-deficient adenovirus encoding nitroreductase to patients with resectable liver cancerQ45658005
Combining gene and immunotherapy for prostate cancerQ45870525
Metronidazole resistance in Helicobacter pylori is due to null mutations in a gene (rdxA) that encodes an oxygen-insensitive NADPH nitroreductaseQ47986775
Gene cloning, purification, and characterization of NfsB, a minor oxygen-insensitive nitroreductase from Escherichia coli, similar in biochemical properties to FRase I, the major flavin reductase in Vibrio fischeriQ48059303
Nitrocompound activation by cell-free extracts of nitroreductase-proficient Salmonella typhimurium strains.Q50076811
P433issue12
P407language of work or nameEnglishQ1860
P921main subjectHelicobacter pylori infectious diseaseQ4497153
metronidazoleQ169569
Helicobacter pyloriQ180556
P304page(s)3354-3364
P577publication date2009-05-07
P1433published inFEBS JournalQ1388041
P1476titleCharacterization of the NAD(P)H oxidase and metronidazole reductase activities of the RdxA nitroreductase of Helicobacter pylori
P478volume276

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