Pseudomonas aeruginosa outcompetes other bacteria in the manifestation and maintenance of a biofilm in polyvinylchloride tubing as used in dental devices.

Christoph Gert Ammann, Markus Nagl, Michael Nogler, Débora Cristina Coraça-Huber

Journal: Archives of microbiology 2016;198(4):389-91

PMID: 26980595

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Abstract

In a PVC tube as a model system for dental devices, Pseudomonas aeruginosa outcompetes Staphylococcus aureus and Klebsiella pneumoniae for the biofilm formation. P. aeruginosa has advantage over the other strains due to higher tolerance for low-nutrient situations or direct killing by the production of soluble factors like pyocyanin.

Address: Experimental Orthopaedics, Medical University of Innsbruck, Innrain 36 - 1. Floor, 6020, Innsbruck, Austria.; Division of Hygiene and Medical Microbiology, Department of Hygiene, Microbiology and Social Medicine, Medical University of Innsbruck, Schöpfstrasse. 41, 6020, Innsbruck, Austria.; Experimental Orthopaedics, Medical University of Innsbruck, Innrain 36 - 1. Floor, 6020, Innsbruck, Austria. [email protected].

DOI: 10.1007/s00203-016-1208-6

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MeSH Terms: Antibiosis, Bacterial Load, Bacterial Physiological Phenomena, Biofilms, Dental Materials, Klebsiella pneumoniae, Microbial Sensitivity Tests, Polyvinyl Chloride, Pseudomonas aeruginosa, Pyocyanine, Staphylococcus aureus