Estuary Lactuca sativa L biostimulant protein hydrolysate free amino acids water deficit polyamines osmoprotectants Nutrients Alternative Oxidase Cytoplasmic male sterility Arabidopsis Nitrate signaling Camalexin Database Climate change High light intensity Lolium perenne L Isotope High resolution Cell wall Osmoprotectants Nitrogen-15 Leaf respiration Exact mass spectrometry Omics Gas chromatography Free amino acids 15 N nitrate labelling Jasmonic acid Aminotransferase Kinetics Carbon 13 Metabolic cycle Foraminifera Polyamines Mitochondrial anatomy Environmental parameters Carbon balance Leaf day respiration Absolute quantification Metabolome Nitrate Necrosis Glutamate dehydrogenase heterozygous homozygous kernel yield maize metabolome mutant Atmospheric CO2 Mitochondria Kok method Inhibition constant Mesophyll conductance Necrotrophic fungus CBL/CIPK Complex I Nitrate sensor Class III peroxidase Kunitz-type protease inhibitors Carbon stable isotope Biomonitoring Lactuca sativa L Amino acid NPF Natural abundance Image analysis Bud burst Elemental composition Class III peroxidases Glume Ethylene Ammonium Metabolic pathways Nitrate transporter Lotus japonicus Brassica napus oilseed rape Mass spectrometry Proteomics Catalysis Land carbon uptake Electron transfer chain Divergent selection Glucosinolates Glucosinolates Camalexin Small-sized samples Simultaneous extraction Absolute quantification Elevated CO2 Nitrate uptake nitrate signaling symbiosis stress NRT1PTR NRT2 NPF family Fluxes Awn Metabolic flexibility Carboxylation Lipidomics Energy C-4 plants Carbon isotopes Necrotrophic fungi Gene ontology Mitochondrion Medicago truncatula Photosynthesis Metabolism Germination Nitrate potassium necrotrophic fungi plant-pathogen relation CBL/CIPK jasmonic acid Auxin Metabolomics NRT2 Nodules C-4 photosynthesis Chlorophyll fluorescence Biostimulant