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Title: The catalase-peroxidase KatG is required for virulence of Xanthomonas campestris pv. campestris in a host plant by providing protection against low levels of H2O2
Authors: Thichakorn Jittawuttipoka
Sarinya Buranajitpakorn
Paiboon Vattanaviboon
Skorn Mongkolsuk
Mahidol University
Chulabhorn Research Institute
Chulabhorn Graduate Institute
Center of Excellence on Environmental Health
Keywords: Biochemistry, Genetics and Molecular Biology;Immunology and Microbiology
Issue Date: 1-Dec-2009
Citation: Journal of Bacteriology. Vol.191, No.23 (2009), 7372-7377
Abstract: 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 H 2O2 and a superoxide generator and is avirulent in a plant model system. katG expression is induced by oxidants in an OxyR-dependent manner. Copyright © 2009, American Society for Microbiology. All Rights Reserved.
ISSN: 00219193
Appears in Collections:Scopus 2006-2010

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