SNC1 is part of the RPP5 locus, a cluster of paralogous disease resistance (R) genes that allows the plant to adapt to pathogens. 4. Summary Table: SNC1 Characteristics Description Protein Type TIR-NB-LRR (NLR) Immune Receptor Model Organism Arabidopsis thaliana (Col-0) Key Action Activates effector-triggered immunity Mutant Phenotype Constitutive activation (dwarfism) Interacting Partner TPR1 (Transcriptional corepressor)

SNC1 guards the plant against pathogens that contain specific effectors through indirect interaction.

When activated, it triggers a defense system, including the hypersensitive response , which restricts pathogen growth.

SNC1-mediated defense gene expression and hypersensitive responses are affected by constant light growth conditions.

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