Circadian Rhythm of Nitrate Reductase Activity in Jatropha curcas Under Different Photoregimens

Our knowledge on the circadian phenomenon in Jatropha curcas is limited. Therefore, we studied the activity of nitrate reductase (NR) in leaves of J. curcas under light and dark cycles (LD 12:12), continuous light (LL) and constant darkness (DD). We observed a statistically significant circadian rhythm in NR activity in LD. Unlike in DD, the circadian oscillation in NR activity persisted in continuous light, irrespective of different light...