The Dark Side of the Salad: Salmonella typhimurium Overcomes the Innate Immune Response of Arabidopsis thaliana and Shows an Endopathogenic Lifestyle
2008

Salmonella Infections in Arabidopsis Plants

publication 10 minutes Evidence: moderate

Author Information

Author(s): Adam Schikora, Alessandro Carreri, Emmanuelle Charpentier, Heribert Hirt

Primary Institution: Unité de Recherche en Génomique Végétale, Institut National de la Recherche Agronomique

Hypothesis

Can Salmonella typhimurium infect and proliferate in Arabidopsis thaliana and how does the plant respond?

Conclusion

Salmonella can invade and proliferate in Arabidopsis, triggering immune responses that are insufficient to prevent infection.

Supporting Evidence

  • Salmonella can infect various Arabidopsis tissues and proliferate in intracellular compartments.
  • Arabidopsis activates MAPK cascades and PR gene expression in response to Salmonella infection.
  • JA and ET signaling pathways are crucial for Arabidopsis resistance against Salmonella.

Takeaway

Salmonella can get inside plants like Arabidopsis and make them sick, even though the plants try to fight back.

Methodology

Arabidopsis plants were infected with Salmonella and various experiments were conducted to assess bacterial proliferation and plant immune responses.

Limitations

The study primarily focuses on Arabidopsis and may not fully represent other plant species' responses to Salmonella.

Digital Object Identifier (DOI)

10.1371/journal.pone.0002279

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