Nitrate reductase of rice seedlings and its induction by organic nitro-compounds |
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| Authors: | Shen T C |
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| Affiliation: | School of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia. |
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| Abstract: | 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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