[Cytopathogenic properties of Yersinia pestis strains in an L-41 cell culture]
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Laboratornoe Delo
|January 1, 1990
Abstract:
L-41 cell monolayer grown in cultural microplates was infected with Y. pestis strains of different virulence. The results evidenced a direct relationship between the strains' virulence for white mice and their ability to multiply in cellular system and to show cytopathogenic effect.
Insights
Yersinia pestis (Y. pestis) virulence in mice correlates with its ability to multiply in cell cultures and cause cell damage. This finding helps understand bacterial pathogenesis and infection dynamics.
Area of Science:
- Microbiology
- Cell Biology
- Pathogenesis
Background:
- Yersinia pestis (Y. pestis) is a bacterium responsible for plague.
- Understanding the factors that determine Y. pestis virulence is crucial for disease control.
Purpose of the Study:
- To investigate the relationship between Y. pestis virulence in vivo and its behavior in vitro.
- To assess the correlation between bacterial multiplication, cytopathogenicity, and host virulence.
Main Methods:
- Infection of L-41 cell monolayers with Y. pestis strains of varying virulence.
- Observation of bacterial multiplication within the cellular system.
- Assessment of cytopathogenic effects on the cell monolayer.
Main Results:
- A direct correlation was observed between the virulence of Y. pestis strains in white mice and their capacity to multiply in cell cultures.
- The ability of Y. pestis strains to induce a cytopathogenic effect in vitro was directly related to their virulence.
- Bacterial multiplication and cytopathogenicity in vitro serve as indicators of Y. pestis virulence.
Conclusions:
- In vitro assays measuring bacterial multiplication and cytopathogenicity can predict Y. pestis virulence.
- Cellular systems provide a valuable model for studying Y. pestis pathogenesis.
- These findings contribute to understanding the mechanisms underlying Y. pestis infection.