Harnessing Natural Diversity and Rational Design for Enhanced Plant Immunity.

Indirect pathogen recognition—where bacterial pathogens modify host proteins and plant receptors detect the modification—is a common resistance system, and natural diversity across species, within species, and within individuals can inform rational engineering.

• Why it matters: Crop losses from plant pathogens motivate durable genetic resistance, but the molecular mechanisms and engineering rules for indirect recognition need clearer, diversity-informed frameworks.
• What they did: The work surveys natural genetic diversity for indirect recognition at three scales—across species, within species, and within individuals—and extends these insights to rational design using advances in structural and computational biology.
• The result: By linking diversity-driven mechanism discovery to rational engineering approaches, it supports improved plant-pathogen recognition strategies for bacterial pathogen resistance.

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