Changes in Leaf Nitrate Reductase Activity In Vivo and In Vitro During Light-Dark Transitions |
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| Authors: | B. K. Salalkar R. S. Shaikh R. M. Naik S. V. Munjal B. B. Desai Prikhshayat Singh M. S. Naika |
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| Affiliation: | 1. Department of Biochemistry, Mahatma Phule Krishi Vidyapeeth, Rahuri, 413 722, India
2. Division of Biochemistry, Indian Agricultural Research Institute, New Delhi, 110 012, India
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| Abstract: | Nitrate reductase activity in the leaves of a number of plants after transfer from light to dark was assayed both by in vivo and in vitro methods. The initial activity persisted during the dark phase for a considerable length of time and declined gradually. After exposure to light again, the NR activity increased rapidly. The possibility of nitrate assimilation in complete darkness is discussed. |
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