In plants, which defense mechanism is triggered by specific recognition of pathogen effectors, akin to adaptive immunity?
Answer
ETI (Specific recognition)
In the context of plant defenses, the concept analogous to the specific, powerful response of adaptive immunity is ETI, which stands for Effector-Triggered Immunity. ETI is activated specifically when the plant recognizes specialized molecular signals, known as pathogen effectors, released by the invader. This specific recognition leads to a much stronger and more specialized defensive reaction. This contrasts with PTI (Pattern-Triggered Immunity), which is the analogy for the innate system, providing an immediate, broad defense based on general recognition.
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