Journal
JOURNAL OF BACTERIOLOGY
Volume 191, Issue 23, Pages 7372-7377Publisher
AMER SOC MICROBIOLOGY
DOI: 10.1128/JB.00788-09
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Funding
- National Center for Genetic Engineering and Biotechnology (BIOTEC)
- Mahidol University
- Thailand Research Fund [PHD/0222/ 2547]
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Xanthomonas campestris pv. campestris katG encodes a catalase-peroxidase that has a role in protecting the bacterium against micromolar concentrations of H2O2. A knockout mutation in katG that causes loss of catalase-peroxidase activity correlates with increased susceptibility to H2O2 and a superoxide generator and is avirulent in a plant model system. katG expression is induced by oxidants in an OxyR-dependent manner.
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