Plant Physiol. Journal of Pharmacology and Experimental Therapeutics
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Plant Physiology 49:546-549 (1972)
© 1972 American Society of Plant Biologists

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Nitrate Reductase of Rice Seedlings and Its Induction by Organic Nitro-Compounds

T. C. Shen

a School of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia

Nitrate simultaneously induced NADH- and NADPH-nitrate reductase activities in rice seedlings. Chloramphenicol, other organic nitro-compounds such as o-nitroaniline and 2,4-dinitrophenol and nitrite also induced nitrate reductase in rice seedlings. The nitrate- or nitrite-induced nitrate reductase could accept electrons more efficiently from NADH than NADPH. However, when this enzyme was induced by organic nitro-compounds, it could accept electrons more efficiently from NADPH than NADH.






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ASPB Publications PLANT PHYSIOLOGY THE PLANT CELL
Copyright © 1972 by the American Society of Plant Biologists