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Breaking Conventions: Ohrr, A Transcriptional Regulator From Burkholderia Thailandensis, Anuja Rajiv Pande
Breaking Conventions: Ohrr, A Transcriptional Regulator From Burkholderia Thailandensis, Anuja Rajiv Pande
LSU Doctoral Dissertations
Organic peroxides (OPs) are highly toxic oxidants. They directly react with cellular macromolecules rendering them inactive. Soil bacteria live in an oxidative environment rich in OPs from plant exudates and other xenobiotic compounds. Bacteria also face a burst of organic peroxides (lipid peroxides) in the macrophages during host invasion. Prokaryotes sense oxidative changes in environment and modulate their gene expression as an adaptive response for survival. MarR (multiple antibiotic resistance regulators) proteins enable bacteria to respond to such stress. Resistance to organic oxidants has been hypothesized to help bacteria survive in presence of disinfectants. This increases nosocomial infection rate.
Bacteria …