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Download Biofilm Highlights by David G. Davies (auth.), Hans-Curt Flemming, Jost Wingender, PDF

By David G. Davies (auth.), Hans-Curt Flemming, Jost Wingender, Ulrich Szewzyk (eds.)

Living in biofilms is the typical lifestyle of microorganisms, transiently immobilized of their matrix of extracellular polymeric components (EPS), interacting in lots of methods and utilizing the matrix as an exterior digestion and security process. this can be how they've got prepared their lifestyles within the setting, within the scientific context and in technical structures – and has helped cause them to the oldest, such a lot winning and ubiquitous kind of existence.

In this ebook, sizzling spots in present biofilm examine are awarded in serious and occasionally provocative chapters. This serves a twofold objective: to supply an outline and to motivate extra discussions. especially, the booklet seeks to stimulate lateral thinking.

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Biofilm Highlights

Dwelling in biofilms is the typical lifestyle of microorganisms, transiently immobilized of their matrix of extracellular polymeric components (EPS), interacting in lots of methods and utilizing the matrix as an exterior digestion and safeguard process. this can be how they've got geared up their lifestyles within the setting, within the scientific context and in technical platforms – and has helped cause them to the oldest, so much winning and ubiquitous kind of existence.

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Aeruginosa, which began after approximately 5 min of exposure (observed as rapid twitching of cells enmeshed in the microcolony matrix), and resulted in complete dispersion of the microcolonies within 30 min. Dispersion that is induced naturally is observed to originate at the interior of biofilm microcolonies and results in the formation of void spaces where bacteria have evacuated the biofilm. Conversely, exogenous dispersion induction results in the complete disaggregation of microcolonies. This observation indicates that biofilm dispersion is initiated where the accumulation of inducer is highest.

Water Sci Technol 39:261–268 O’Toole G, Kaplan HB, Kolter R (2000) Biofilm formation as microbial development. Annu Rev Microbiol 54:49–79 Biofilm Dispersion 27 Peyton BM, Characklis WG (1993) A statistical analysis of the effect of substrate utilization and shear stress on the kinetics of biofilm detachment. Biotechnol Bioeng 41:728–735 Pratt LA, Kolter R (1999) Genetic analyses of bacterial biofilm formation. Curr Opin Microbiol 2:598–603 Purevdorj-Gage B, Costerton WJ, Stoodley P (2005) Phenotypic differentiation and seeding dispersal in non-mucoid and mucoid Pseudomonas aeruginosa biofilms.

2002). When Ulva zoospores reach the surface, they slow down their swimming movement at micromolar hotspots of AHLs and attach directly to the AHL-producing biofilm bacteria (Joint et al. 2007). It has been demonstrated that the detection of AHLs results in calcium influx into the zoospore. Currently, we can only speculate about the ecological and evolutionary benefits of biofilm-mediated habitat choice for spores and larvae: The colonization of abiotic surfaces by “biotic” biofilms could serve as a general indicator/proxy for habitable conditions, or facilitate specific associations with bacterial symbionts.

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