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Applied and Environmental Microbiology, July 2001, p. 3325-3327, Vol. 67, No. 7
0099-2240/01/$04.00+0 DOI: 10.1128/AEM.67.7.3325-3327.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
Incidence of Klebsiella Species in
Surface Waters and Their Expression of Virulence Factors
R.
Podschun,1,*
S.
Pietsch,1
C.
Höller,2 and
U.
Ullmann1
Department of Medical Microbiology and
Virology1 and Department of Hygiene and
Environmental Medicine,2 University of Kiel,
Kiel, Germany
Received 30 November 2000/Accepted 6 May 2001
To investigate the occurrence of different Klebsiella
spp. in aquatic environments, a total of 208 samples of natural surface waters was examined. From half (53%) of these samples, 123 Klebsiella strains were isolated, the most common species
being Klebsiella pneumoniae. A comparison of these isolates
to a group of 207 clinical K. pneumoniae isolates
demonstrated that water isolates of K. pneumoniae, unlike
those of K. oxytoca and K. planticola, are as
capable as clinical isolates of expressing putative virulence factors
such as serum resistance and capsular polysaccharides, pili, and siderophores.
*
Corresponding author. Mailing address: Department of
Medical Microbiology and Virology, University of Kiel, Brunswiker Str. 4, 24105 Kiel, Germany. Phone: 49-431-597-3305. Fax: 49-431-597-3296. E-mail: podschun{at}medmicrobio.uni-kiel.de.
Applied and Environmental Microbiology, July 2001, p. 3325-3327, Vol. 67, No. 7
0099-2240/01/$04.00+0 DOI: 10.1128/AEM.67.7.3325-3327.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
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