Potential virulence-associated properties ofPlesiomonas shigelloides strains

Serotyping and some potential virulence-associated markers were investigated inPlesiomonas shigelloides strains isolated from humans, animals and aquatic environments. Surface properties of these strains were evaluated using Congo red binding, salt-aggregation test, bacterial adherence to xylene and...

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Bibliographic Details
Published in:Folia microbiologica 2004-09, Vol.49 (5), p.543-548
Main Authors: Ciznar, I, Hostacka, A, Gonzalez-Rey, C, Krovacek, K
Format: Article
Language:English
Subjects:
Aquatic animals
Aquatic environment
Bacteria
Elastase
Histidine
Histidine decarboxylase
Hydrophobicity
Lactones
Lipase
Microbiology
Pancreatic elastase
Pathogenesis
Proteinase
Serotyping
Strains (organisms)
Subtilisin
Surface properties
Triacylglycerol lipase
Triglycerides
Virulence
Xylene
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Summary:Serotyping and some potential virulence-associated markers were investigated inPlesiomonas shigelloides strains isolated from humans, animals and aquatic environments. Surface properties of these strains were evaluated using Congo red binding, salt-aggregation test, bacterial adherence to xylene and motility. Production of pancreatic elastase, proteinase (consistent with subtilisin Carlsberg), triacylglycerol lipase, histidine decarboxylase and β-hemolysin was also determined. In addition, detection of signal molecules such as C4-C8 unsubstitutedN-acylhomoserine lactones (AHLs) was performed. The serological typing of theP. shigelloides strains showed that the isolates belonged to 13 different serovars. The majority of the strains were hydrophobic and motile. The strains produced low levels of elastase, proteinase and histidine decarboxylase whereas triacylglycerol lipase activity was relatively high. Only 23.3% of the strains produced hemolysin. The AHLs signal molecules were not detected.P. shigelloides strains were able to produce a variety of potential virulence markers which may be involved in the pathogenesis ofPlesiomonas-associated infections.
ISSN:0015-5632
1874-9356
DOI:10.1007/BF02931531