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Related Experiment Video

Updated: Dec 17, 2025

Agroinfiltration and PVX Agroinfection in Potato and Nicotiana benthamiana

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Published on: January 3, 2014

Social Evolution and Cheating in Plant Pathogens.

Maren L Friesen¹

¹Department of Plant Pathology and Department of Crop and Soil Sciences, Washington State University, Pullman, Washington 99164, USA;

Annual Review of Phytopathology

|July 1, 2020

Summary

This summary is machine-generated.

Plant pathogens engage in social behaviors, like sharing resources, which influence disease. Understanding these interactions and microbial cheating can improve plant health management.

Keywords:

cooperation eco-evolutionary dynamics microbiome multilevel selection public goods virulence

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Area of Science:

Plant pathology
Microbial ecology
Evolutionary biology

Background:

Plant pathogens are integral to host microbiomes, exhibiting ecological and evolutionary dynamics.
Pathogen virulence is often driven by social interactions producing public goods (e.g., quorum-sensing signals, exoenzymes, effectors).
Life-history decisions in pathogens have social consequences impacting host and pathogen fitness.

Purpose of the Study:

To explore the role of social interactions in plant pathogen virulence.
To investigate the prevalence and mechanisms of cheating within plant-pathogen systems.
To identify strategies for managing plant microbiomes by understanding pathogen social behavior.

Main Methods:

Analysis of molecular mechanisms in plant-pathogen interactions.
Review of case studies demonstrating pathogen cheating.
Integration of sensing and omics technologies for field-based microbial fitness assessment.

Main Results:

Social interactions significantly influence virulence and disease progression.
Opportunities for cheating are abundant due to the molecular basis of sequential host-pathogen interactions.
Evidence for cheating exists in several plant-pathogen systems, with likely occurrences in others.

Conclusions:

Understanding pathogen social dynamics is crucial for managing plant diseases.
Leveraging knowledge of microbial social behavior and advanced technologies can enhance plant health.
Targeting social interactions offers novel avenues for controlling plant pathogens.