Science & ResearchJul 20, 2026
Alarmone ((p)ppGpp) signalling tunes Arabidopsis thaliana nuclear gene expression to shape the balance of plant immune outcomes
RSH enzymes (RelA/SpoT homologs) synthesize ppGpp (guanosine tetra-/pentaphosphate) in plastids, regulating organelle function.
RSH enzymes (RelA/SpoT homologs) synthesize ppGpp (guanosine tetra-/pentaphosphate) in plastids, regulating organelle function. More importantly, whether ppGpp acts as a simple rheostat on immune output or determines which mode of defence a plant deploys remains poorly…
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