Interspecies communication in bacteria

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Interspecies communication in bacteria.

Until recently, bacteria were considered to live rather asocial, reclusive lives. New research shows that, in fact, bacteria have elaborate chemical signaling systems that enable them to communicate within and between species. One signal, termed AI-2, appears to be universal and facilitates interspecies communication. Many processes, including virulence factor production, biofilm formation, and...

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Diffusible signals and interspecies communication in bacteria.

Many bacteria use cell-cell communication mediated by diffusible signal molecules to monitor their population density or confinement to niches and to modulate their behaviour in response to these aspects of their environment. Work on signalling systems within individual species has formed a platform for studies of interspecies interactions that can occur within polymicrobial communities in natu...

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Interspecies Communication In Oral Biofilm

Oral cavity contains large numbers of microorganisms. Dental plaque is composed of bacteria in a matrix of salivary glycoproteins and extracellular polysaccharides which displays extensive interactions while forming biofilm structures, carrying out physiological functions, and inducing microbial pathogenesis. Our emerging view of the microbial world is one in which individual bacteria exert the...

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Interspecies Communication and Periodontal Disease

More than 500 bacterial strains may be found in dental plaque. In the beginning, the emphasis was laid on the isolation of bacteria in pure culture to define their properties. However, now, it has been well established that in nature the bacteria exist as a member of polymicrobial community or consortium of interacting species. Interactions among human oral bacteria are integral to the developm...

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ژورنال

عنوان ژورنال: Journal of Clinical Investigation

سال: 2003

ISSN: 0021-9738

DOI: 10.1172/jci20195