Salmonella Infection Mechanisms in Plants and Animals
Author Information
Author(s): Adam Schikora, Isabelle Virlogeux-Payant, Eduardo Bueso, Ana V. Garcia, Theodora Nilau, Amélie Charrier, Sandra Pelletier, Pierrette Menanteau, Manuela Baccarini, Philippe Velge, Heribert Hirt
Primary Institution: URGV Plant Genomics, INRA/University of Evry, Evry, France
Hypothesis
Do Salmonella bacteria retain their virulence when originating from plants compared to standard media?
Conclusion
Salmonella from infected plants are as virulent as those grown in standard media, indicating a significant risk for food safety.
Supporting Evidence
- Salmonella from plants can infect human cells and mice with similar efficiency as those grown in standard media.
- T3SS mutants of Salmonella showed reduced virulence in plants, indicating the importance of this system for infection.
- Transcriptome analysis revealed significant gene expression changes in Arabidopsis in response to Salmonella infection.
Takeaway
This study shows that Salmonella can infect both plants and animals, and bacteria from plants can still make people sick.
Methodology
The study involved infecting Arabidopsis thaliana with Salmonella and assessing its virulence in human cells and mice.
Limitations
The study primarily focused on one plant species and specific Salmonella strains, which may limit the generalizability of the findings.
Participant Demographics
C57BL/6 mice were used for in vivo experiments.
Statistical Information
Statistical Significance
p≥0.05
Digital Object Identifier (DOI)
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