Autoinhibition of plasma membrane H+-ATPase1 regulates systemic herbivore defense in Arabidopsis.

Abstract excerpt

Autoinhibited plasma membrane H+-ATPases1 (AHA1) plays a crucial role in wound-induced systemic signaling, yet its role in insect resistance has not been fully explored. Prior research on fungal and plant AHAs has identified an extended carboxy-terminal tail (C-tail), which forms a regulatory apparatus involving an autoinhibitory domain. Here, we show that truncation of the C-tail of AHA1 increases pump activity...

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