Pyridine nucleotide pool size changes in iron-deficient Plantago lanceolata roots during reduction of external oxidants

carence en substance nutritive cell membranes deficiencias nutritivas fer hierro iron membranas celulares membrane cellulaire nucleotide nucleotides nutrient deficiencies piridinas plantago lanceolata potencial redox potentiel redox pyridine pyridines racine redox potential reduction roots