Oxidoreductases Acting on CH-NH Group Donors 6 article 6 Growth 4 Maize 4 Plant Leaves 4 Plant Proteins 4 Polyamine oxidase 4 Polyamines 4 Reactive oxygen species 4 Salinity 4 Sodium Chloride 4 Stress, Physiological 4 Zea mays 4 enzymology 4 growth, development and aging 4 maize 4 metabolism 4 oxidoreductase 4 physiological stress 4 physiology 4 plant leaf 4 polyamine oxidase 4 sodium chloride 4 vegetable protein 4 5,10 methylenetetrahydrofolate reductase (FADH2) 2 Adult 2 Aged 2 Argentina 2 Brazil 2 DNA fragment 2