- Comparative Assessment of the Intracellular Survival of the Burkholderia pseudomallei bopC Mutant
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Varintip Srinon , Sunsiree Muangman , Nithima Imyaem , Veerachat Muangsombut , Natalie R. Lazar Adler , Edouard E. Galyov , Sunee Korbsrisate
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J. Microbiol. 2013;51(4):522-526. Published online August 30, 2013
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DOI: https://doi.org/10.1007/s12275-013-2557-3
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Abstract
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Burkholderia pseudomallei, the causative agent of melioidosis, is a Gram-negative saprophytic bacterium capable of surviving within phagocytic cells. To assess the role of BopC (a type III secreted effector protein) in the pathogenesis of B. pseudomallei, a B. pseudomallei bopC mutant was used to infect J774A.1 macrophage-like cells. The bopC mutant showed significantly reduced intracellular survival in infected macrophages compared to wild-type B. pseudomallei. In addition, the bopC mutant displayed delayed escape from endocytic vesicles compared with the wild-type strain. This indicates that BopC is important, and at least in part, needed for intracellular survival of B. pseudomallei.
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