Pathogen recognition

Resistance (R) Genes

Hypersensitive Response (HR)

Systemic Acquire Resistance (SAR)

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Salicylic Acid (SA)

Mutants affecting SA synthesis

Mutants affecting SA synthesis

Mutant Screen

NPR1: non-expresser of PR genes

NPR1 overexpression

Pathogen-Related (PR) Genes

SAR

Structural features of NPR1

NPR1-GFP localizes in nucleus upon SAR induction

TGA Factors

TGA2 C-term interacts with NPR1

Reduced resistance to P.parasitica and tolerance to SA

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SAR

SAR

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