Phytoalexins

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phytoalexin

(Science: protein) toxic compounds produced by higher plants in response to attack by pathogens and to other stresses. Sometimes referred to as plant antibiotics, but rather non-specific, having a general fungicidal and bacteriocidal action.

Very much analogous to an antibody response as production is triggered by elicitors.

Examples include: pisatin, phaseolin.

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