Calcium-mediated perception and defense responses activated in plant cells by metabolite mixtures secreted by the biocontrol fungus Trichoderma atroviride
2007

How Trichoderma Fungi Help Plants Defend Against Diseases

publication 10 minutes Evidence: moderate

Author Information

Author(s): Lorella Navazio, Barbara Baldan, Roberto Moscatiello, Anna Zuppini, Sheridan L Woo, Paola Mariani, Matteo Lorito

Primary Institution: Università di Padova

Hypothesis

Can plant cells perceive and respond to metabolites secreted by the biocontrol fungus Trichoderma atroviride?

Conclusion

Plant cells can sense secreted fungal molecules through changes in intracellular calcium levels, leading to distinct defense responses.

Supporting Evidence

  • Trichoderma metabolites caused distinct calcium responses in soybean cells.
  • The study identified a specific calcium signature associated with Trichoderma metabolites.
  • Different fractions of Trichoderma metabolites had varying effects on plant cell viability.

Takeaway

Plants can feel when helpful fungi are around and react to them, which helps them fight off diseases.

Methodology

The study involved applying Trichoderma culture filtrates to soybean cell cultures and measuring calcium levels and defense responses.

Limitations

The study was conducted in vitro, which may not fully replicate natural plant-fungal interactions.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2229-7-41

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