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Quorum quenching and proactive host defense
Trends in Plant Science, 2003Both plants and humans have inducible defense mechanisms. This passive defense strategy leaves the host unprotected for a period of time until resistance is activated. Moreover, many bacterial pathogens have evolved cell-cell communication (quorum-sensing) mechanisms to mount population-density-dependent attacks to overwhelm the host's defense ...
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Signal Molecule-Dependent Quorum-Sensing and Quorum-Quenching Enzymes in Bacteria
Critical Reviews in Eukaryotic Gene Expression, 2014The quick spread of nosocomial bacterial infections and the increasing prevalence of drugresistant strains make the development of novel drugs for pathogens an urgent priority. Quorum sensing (QS) is a communication mechanism used by bacteria to recognize population density fluctuations and control gene expression, which play a critical role both in ...
Yanfen, Du +4 more
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Biofouling Control by Quorum Quenching
2015Bacteria above a threshold cell density regulate the expression of a specific group of their genes in response to small signal molecules called autoinducers. This twitter communication phenomenon is called quorum sensing (QS). Among the various genetic expressions mediated by QS , biofilm formation and expression of virulence factors are the most ...
Vipin C. Kalia +3 more
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Quorum Quenching: Impact and Mechanisms
2014This chapter focuses on the impact and molecular mechanisms of quorum quenching, with emphasis on quorum-quenching enzymes and other signal disruption mechanisms. There are five key processes in quorum-sensing circuit, (i) signal generation, (ii) signal transportation, (iii) signal accumulation, (iv) signal recognition, and (v) signal autoinduction ...
Lian-Hui Wang +2 more
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Quorum Sensing and Quorum Quenching Metabolites in Actinomycetes
2022Jamuna A. Bai, Ravishankar V. Rai
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Quorum sensing and quorum quenching in membrane bioreactors
2020Kwang-Ho Choo +2 more
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