Variation in the nitrate reductase of rice seedlings
- 1 January 1972
- journal article
- Published by Springer Nature in Planta
- Vol. 108 (1) , 21-28
- https://doi.org/10.1007/bf00386503
Abstract
Nitrate reductase was induced in rice seedlings by nitrate and by chloramphenicol. During the induction period the different enzyme activities associated with nitrate reductase increased to different degrees. Nitrate induced high NADH-nitrate reductase activity and a great increase in the NADH-cytochrome c reductase activity which was associated with the nitrate reductase in a sucrose gradient. Chloramphenicol induced a nitrate reductase which had higher activity with NADPH than NADH. Chloramphenicol also induced a marked increase in NADPH-cytochrome c reductase activity as well as in NADH-cytochrome c reductase activity. Both activities were associated with the nitrate reductase in a sucrose gradient.Keywords
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