A calcium-fingerprint atlas infers the signaling modes of complex elicitors and reveals a salt-like response to a humic biostimulant
A central challenge in plant signaling is to infer, from an observed response, the mechanism that produced it, including perception and signaling components involved. Cytosolic calcium (Ca2+) is well suited to this reverse-engineering problem: it is a universal early messenger whose spatiotemporal pattern, the Ca2+ signature, is shaped by the specific channels and receptors a stimulus activates.…
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