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. 1985 Feb;77(2):506-8.
doi: 10.1104/pp.77.2.506.

Diurnal variation of asparaginase in developing pea leaves

K Sieciechowicz  1 , R J Ireland, K W Joy
Affiliations

Diurnal variation of asparaginase in developing pea leaves

K Sieciechowicz et al. Plant Physiol. 1985 Feb.

Abstract

Levels of asparaginase activity from developing pea leaves (Pisum sativum) were found to change on a daily basis, increasing during the light period and decreasing in the dark. During extended periods of light, high levels of activity were maintained, while prolonged dark reduced activity to a low value. Half-expanded leaves exhibited the greatest change in activity over the photoperiod. Very young or mature leaves displayed little or no diurnal variation in asparaginase activity.

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