Putative pathways for time-course physiological and proteomic mechanisms underlying melatonin priming on renovating aging-induced damage and promoting germination in oat seeds. SuSy, sucrose synthase; UDP-GlcDH, UDP-glucose 6-dehydrogenase; UDPG, UDP-glucose; ATP-PFK, ATP-dependent 6-phosphofructokinase; Gly-3-P, Glyceraldehyde-3P; GAPDH, glyceraldehyde-3-phosphate dehydrogenase; PEP, phosphoenolpyruvate; PK, pyruvate kinase; MGO, methylglyoxal; GLO1, lactoylglutathione lyase; S-LGSH, (R)-S-lactoylglutathione; DL, D-lactate; DLDH, D-lactate dehydrogenase [cytochrome]; DLD, dihydrolipoyl dehydrogenase; PDC1, pyruvate decarboxylase 1; HAc, acetaldehyde; S-GSHDH, S-(hydroxymethyl) glutathione dehydrogenase; OAA, oxaloacetate; ACO, aconitate hydratase; Isocit, Isocitrate; α-KG, α-ketoglutarate; Suc, succinate; SDHA, succinate dehydrogenase [ubiquinone] flavoprotein subunit; Fum, fumarate; Ser, serine; SHMT, serine hydroxymethyltransferase; Gly, glycine; HSDH, homoserine dehydrogenase; L-ASA, L-aspartate 4-semialdehyde; L-Asp, L-Aspartate; Pro, proline; P5CS, δ-1-pyrroline-5-carboxylate synthase; Glu, glutamate; E4P, D-erythrose 4-phosphate; PDDA, phospho-2-dehydro-3-deoxyheptonate aldolase; DAHP, 3-deoxy-D-arabino-heptulosonate-7-phosphate; PPA, phenylpyruvate; AT, transaminase; Phe, phenylalanine; PAL, phenylalanine ammonia-lyase; CA, cinnamic acid; HPL, p-hydroxy-phenyl lignin; POD, peroxidase; PI(3)P, phosphatidylinositol triphosphate; PI-PLC, phosphoinositide phospholipase C; DAG, diacylglycerol; PC, phosphatidylcholine; α-LA, α-linolenic acid; OPR, 12-oxo-phytodienoic acid reductase; JA, jasmonate; MeJA, methyl jasmonate.