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

Thichakorn JittawuttipokaSarinya BuranajitpakornPaiboon VattanaviboonSkorn MongkolsukMahidol UniversityChulabhorn Research InstituteChulabhorn Graduate InstituteCenter of Excellence on Environmental Health2018-09-132018-09-132009-12-01Journal of Bacteriology. Vol.191, No.23 (2009), 7372-7377002191932-s2.0-72249100848https://repository.li.mahidol.ac.th/handle/20.500.14594/27107Xanthomonas 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.Mahidol UniversityBiochemistry, Genetics and Molecular BiologyImmunology and MicrobiologyThe catalase-peroxidase KatG is required for virulence of Xanthomonas campestris pv. campestris in a host plant by providing protection against low levels of H2O2ArticleSCOPUS10.1128/JB.00788-09