Potential virulence-associated properties of Plesiomonas shigelloides strains
Language English Country United States Media print
Document type Journal Article
PubMed
15702543
DOI
10.1007/bf02931531
Knihovny.cz E-resources
- MeSH
- Bacterial Adhesion MeSH
- Species Specificity MeSH
- 4-Butyrolactone analogs & derivatives metabolism MeSH
- Gram-Negative Bacterial Infections microbiology MeSH
- Hemolysin Proteins biosynthesis MeSH
- Histidine Decarboxylase biosynthesis MeSH
- Humans MeSH
- Lipase biosynthesis MeSH
- Water Microbiology MeSH
- Pancreatic Elastase biosynthesis MeSH
- Plesiomonas classification isolation & purification metabolism pathogenicity MeSH
- Serotyping MeSH
- Virulence MeSH
- Animals MeSH
- Check Tag
- Humans MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Names of Substances
- 4-Butyrolactone MeSH
- Hemolysin Proteins MeSH
- Histidine Decarboxylase MeSH
- homoserine lactone MeSH Browser
- Lipase MeSH
- Pancreatic Elastase MeSH
Serotyping and some potential virulence-associated markers were investigated in Plesiomonas 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 beta-hemolysin was also determined. In addition, detection of signal molecules such as C4-C8 unsubstituted N-acylhomoserine lactones (AHLs) was performed. The serological typing of the P. 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 of Plesiomonas-associated infections.
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