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Updated: Sep 20, 2026

Quantifying Yersinia pseudotuberculosis Type III Secretion System Activity Following Iron Starvation and Anaerobic Growth
Published on: May 31, 2024
[Virulence of Yersinia pseudotuberculosis strains isolated from environment as a threat to human epidemic]
Izabela Czyzewska1, Antoni J Furowicz
1Katedra Immunologii i Mikrobiologii Wydziału Biotechnologii i Hodowli Zwierzat Akademii Rolniczej w Szczecinic.
Abstract:
The purpose of the work has been to identify Yersinia pseudotuberculosis strains and to demonstrate their potential pathogenicity using PCR reaction. Investigations included 167 samples of the water and 32 samples of the soil from westpomeranian region. Based on the analysis of PCR reactions the research confirmed the presence of DNA Y. pseudotuberculosis strain in 6 of the water samples and in 1 of the soil sample. The strains have been identified by nucleotide sequence of the ypm gene, which is specific only for mentioned species. Genotypic analysis demonstrated also the presence of genes, which confirmed their virulence. The PCR reaction should be used in the microbiological diagnostic of Y. pseudotuberculosis strains, isolated from animals and from environment, because it is very specific, fast and sensitive method.
Insights
This study identified pathogenic Yersinia pseudotuberculosis in water and soil samples using PCR. The polymerase chain reaction (PCR) method confirmed the presence and virulence of these bacteria in environmental samples.
Area of Science:
- Microbiology
- Molecular Biology
- Environmental Science
Context:
- Yersinia pseudotuberculosis is an important bacterial pathogen.
- Environmental surveillance is crucial for public health.
- The West Pomeranian region's water and soil were investigated.
Purpose:
- To identify Yersinia pseudotuberculosis strains in environmental samples.
- To assess the potential pathogenicity of identified strains.
- To evaluate the utility of PCR for Y. pseudotuberculosis detection.
Summary:
- Polymerase chain reaction (PCR) detected Y. pseudotuberculosis DNA in 6 water and 1 soil sample.
- The ypm gene confirmed species identification.
- Genotypic analysis revealed virulence genes, indicating pathogenicity.
Impact:
- PCR is a specific, fast, and sensitive method for diagnosing Y. pseudotuberculosis.
- This research highlights the importance of environmental monitoring for this pathogen.
- Findings support the use of PCR in microbiological diagnostics for environmental isolates.
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