Cell-signalling repression in bacterial quorum sensing
نویسندگان
چکیده
منابع مشابه
Cell-signalling repression in bacterial quorum sensing.
In this paper we expand on two mathematical models for investigating the role of three distinct repression mechanisms within the so-called quorum sensing (QS) cell-signalling process of bacterial colonies growing (1) in liquid cultures and (2) in biofilms. The repression mechanisms studied are (i) reduction of cell signalling molecule (QSM) production by a constitutively produced agent degradin...
متن کاملQuorum Sensing: A Cell-Cell Signalling Mechanism Used to Coordinate Behavioral Changes in Bacterial Populations
One of the most important mechanisms for bacterial cell-to-cell communication and behaviour coordination under changing environments is often referred to as " quorum sensing " (QS). QS relies on the activation of a sensor kinase or response regulator protein by, in many cases, a diffusible, low molecular weight signal molecule (a " pheromone " or " autoinducer ") (Camara et al., 2002). Conseque...
متن کامل5D Bacterial quorum sensing
Quorum sensing is a form of system stimulus and response that is correlated to population density. Many species of bacteria use quorum sensing to coordinate various types of behavior including bioluminescence, biofilm formation, virulence, and antibiotic resistance, based on the local density of the bacterial population [10, 7, 9, 24, 40, 36, 42, 27]. In an analogous fashion, some social insect...
متن کاملMessing with bacterial quorum sensing.
Quorum sensing is widely recognized as an efficient mechanism to regulate expression of specific genes responsible for communal behavior in bacteria. Several bacterial phenotypes essential for the successful establishment of symbiotic, pathogenic, or commensal relationships with eukaryotic hosts, including motility, exopolysaccharide production, biofilm formation, and toxin production, are ofte...
متن کاملBacterial quorum-sensing network architectures.
Quorum sensing is a cell-cell communication process in which bacteria use the production and detection of extracellular chemicals called autoinducers to monitor cell population density. Quorum sensing allows bacteria to synchronize the gene expression of the group, and thus act in unison. Here, we review the mechanisms involved in quorum sensing with a focus on the Vibrio harveyi and Vibrio cho...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Mathematical Medicine and Biology
سال: 2004
ISSN: 1477-8599,1477-8602
DOI: 10.1093/imammb21.3.169