Regulation of nitrate reductase activity in higher plants |
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Authors: | HS Srivastava |
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Institution: | Department of Life Sciences, University of Indore, Vigyan Bhawan, Khandwa Road, Indore (M.P.) 452001, India |
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Abstract: | Nitrate reductase is one of the most important enzymes in the assimilation of exogenous nitrate—the predominant form of nitrogen available to green plants growing in soil. Activity of this enzyme in plants gives a good estimate of the nitrogen status of the plant and is very often correlated with growth and yield. Although it is difficult to explain the physiological significance and the mechanism of effects of several factors on the enzyme activity, in some cases suitable postulates have been advanced. In general, the enzyme activity in a plant tissue is a balance between its relative rates of synthesis/degradation and activation/inactivation. Factors may affect the overall activity by interfering with either of these processes. |
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Keywords: | Enzyme regulation enzyme activity nitrate reductase higher plants |
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