Bacterial quorum sensing and anti-quorum sensing = 세균의 적정밀도 인식을 통한 신호전달 및 신호전달 차단 연구

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Bacterial quorum sensing and anti-quorum sensing = 세균의 적정밀도 인식을 통한 신호전달 및 신호전달 차단 연구
S Y Park; Jung-Kee Lee
Bibliographic Citation
Korean Journal of (Applied) Microbiology & Biotechnology, vol. 32, no. 1, pp. 1-10
Publication Year
Many bacteria monitor their population density and control the expression of specialized gene sets in response to bacterial cell density based on a mechanism referred to as quorum sensing. In all cases, quorum sensing involves the production and detection of extracellular signaling molecules, autoinducers, as which Gram-negative and Gram-positive bacteria use most prevalently acylated homoserine lactones and processed oligo-peptides, respectively. Through quorum-sensing communication circuits, bacteria regulate a diverse array of physiological functions, including virulence, symbiosis, competence, conjugation, antibiotic production, motility, sporulation, and biofilm formation. Many pathogens have evolved quorum-sensing mechanisms to mount population-density-dependent attacks to overwhelm the defense responses of plants, animals, and humans. Since these AHL-mediated signaling mechanisms are widespread and highly conserved in many pathogenic bacteria, the disruption of quorum-sensing system might be an attractive target for novel anti-infective therapy. To control AHL-mediated pathogenicity, several promising strategies to disrupt bacterial quorum sensing have been reported, and several chemicals and enzymes have been also investigated for years. These studies indicate that anti-quorum sensing strategies could be developed as possible alternatives of antibiotics.
antibioticsautoinducerpathogenquorum sensingsignalingantibiotic therapybacterial virulence
Korea Soc-Assoc-Inst
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