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Cell-cell influences on bacterial community development in aquatic biofilms

Article Abstract:

Field investigations are conducted to see whether two different N-acylated homoserine lactones (AHLs), N-octanoyl-L-homoserine lactone (C8-HSL) and N-(3-oxooctanoyl)-L-homoserine lactone (3-O-C8-HSL), could influence recruitment of bacteria to biofilms. Changes are observed in the presence and absence of acylated homoserine lactones, which suggests that these molecules and other factors might affect adherent population composition.

Author: Forstner, Michael R.J., Fuqua, Clay, Barnes, Mary B., Windham, M.. Katy, Merchant, Mubina
Publisher: American Society for Microbiology
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 2005
Bacterial growth, Serine, Lactones, Chemical properties

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Enhanced biofilm formation and increased resistance to antimicrobial agents and bacterial invasion are caused by synergistic interactions in multispecies biofilms

Article Abstract:

A study examined 17 epiphytic bacterial strains, isolated from the surface of marine alga Ulva australis, and was screened for synergistic interactions within biofilms when present together in different combinations. The data strongly show that synergistic effects promote biofilm biomass and resistance of the biofilm to antimicrobial agents and bacterial invasion in multispecies biofilms.

Author: Kjelleberg, Staffan, Webb, Jeremy S., Sorensen, Soren J., Rao, Dhana, Burmolle, Mette, Hansen, Lars H.
Publisher: American Society for Microbiology
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 2006
Other Marine Fishing, Miscellaneous marine products, Seaweed & Algae, Genetic aspects, Drug resistance in microorganisms, Microbial drug resistance, Marine algae

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Spatiometabolic stratification of Shewanella oneidensis biofilms

Article Abstract:

A report that Shewanella oneidensis biofilm structures reproductivity stratify with respect to growth activity and metabolism as a function of size is presented. Findings reveal that, far from being dead, the majority of cells in mature S. oneidensis biofilms have actively turned-on metabolic programs appropriate to their local microenvironment and development stage.

Author: Newman, Dianne K., Lies, Douglas P., Teal, Tracy K., Wold, Barbara J.
Publisher: American Society for Microbiology
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 2006
Microbial metabolism, Shewanella, Report

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Subjects list: Research, Microbial mats, Structure
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