Effect of neocuproine and cuprizone on the development of amine oxidase and growth in pea seedlings

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Effects of neocuproine (2,9-dimethyl-1, 10-phenanthroline) and cuprizone (biscyclo-hexanone oxalyldihydrazone), as copper-chelating agents on the development of amine oxidase and the growth of pea plants were studied. Amine oxidase development in the apical part was inhibited by administration of neocuproine, and this effect was markedly reversed by the addition of copper disodium ethylenediaminetetraacetate(EDTA-Na_2-Cu). In this case, the amine oxidase activity was stimulated. Pea plant growth was inhibited by this chelator but not in the presence of EDTA-Na_2-Cu. On the other hand, the development of enzyme activity and growth were much less sensitive to cuprizone.
日本植物生理学会の論文