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Int J Hyg Environ Health. 2001 Nov;204(2-3):139-42.

Capability of mucoid Pseudomonas aeruginosa to survive in chlorinated water.

Author information

1
IWW Rheinisch-Westfälisches Institut für Wasserforschung gemeinnützige GmbH, Gerhard-Mercator-Universität Duisburg, Fachgebiet Aquatische Mikrobiologie, Moritzstrasse 26, 45476 Mülheim an der Ruhr, Germany.

Abstract

Mucoid strains of Pseudomonas aeruginosa are characterized by an overproduction of the extracellular polysaccharide alginate. When suspended into chlorinated swimming-pool water or drinking water samples, mucoid bacteria revealed enhanced survival compared with isogenic nonmucoid cells. Removal of slime from mucoid bacteria abolished chlorine resistance, addition of purified alginate to washed bacteria again enhanced survival. Thus, alginate-containing slime confers protection on P. aeruginosa against chlorine and may contribute to survival of these bacteria in chlorinated water systems.

PMID:
11759157
DOI:
10.1078/1438-4639-00085
[Indexed for MEDLINE]

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