Accumulation and fate of microorganisms and microspheres in biofilms formed in a pilot-scale water distribution system

Article Abstract:

The accumulation and fate of model microbial pathogens within a drinking-water distribution system was investigated in naturally grown biofilms formed in a novel pilot-scale water distribution system provided with chlorinated and UV-treated water. The result indicates that desorption is one of the primary mechanisms affecting the fate of microspheres, legionelle, and bacteriophages in biofilms within a pilot-scale distribution system, followed by disinfection and biological grazing.

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Identification and localization of extraradicular biofilm-forming bacteria associated with refractory endodontic pathogens

Article Abstract:

The identification and localization of bacteria in human extraradicular biofilms are investigated. The results have shown that Porphyromonas gingivalis, Tannellera forsythensis, and Fusobacterium nucleatum are associated with extraradicular biofilm formation and refractory periapical periodontitis.

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Vulnerability of pathogenic biofilms to Micavibrio aeruginosavorus

Article Abstract:

The host specificity of the gram-negative exoparasitic predatory bacterium Micavibrio aeruginosavorus is investigated. A screening is conducted to identify the genes that are important for Pseudomonas aeruginosa-Micavibrio interaction.

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