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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Salalkar, B.K., Shaikh, R.S., Naik, R.M. et al. Changes in Leaf Nitrate Reductase Activity In Vivo and In Vitro During Light-Dark Transitions. J. Plant Biochem. Biotechnol. 8, 37–40 (1999). https://doi.org/10.1007/BF03263055
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DOI: https://doi.org/10.1007/BF03263055