A rapid increase in spinach leaf fructose 2,6-bisphosphate occurs during a light to dark transition

Spinach leaf fructose 2,6-bisphosphate levels increase rapidly during the first 15 minutes of a normal dark period followed by a gradual decline during the next 5 hours. The regulatory mechanism responsible for the dark-induced rise in fructose 2,6-bisphosphate levels can be counteracted by a brief...

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Bibliographic Details
Published in:Plant physiology (Bethesda) 1985-11, Vol.79 (3), p.911-913
Main Authors: Baysdorfer, C, Robinson, J.M
Format: Article
Language:English
Subjects:
Agriculture
DARKNESS
Enzymes
FEUILLE
FOSFATOS
HOJAS
LEAVES
LIGHT
LUMIERE
Luminous intensity
LUZ
Metabolites
OBSCURIDAD
OBSCURITE
PHOSPHATE
PHOSPHATES
Physiological regulation
Plants
Scotophase
Short Communications
Spinach
SPINACIA OLERACEA
Starches
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Summary:Spinach leaf fructose 2,6-bisphosphate levels increase rapidly during the first 15 minutes of a normal dark period followed by a gradual decline during the next 5 hours. The regulatory mechanism responsible for the dark-induced rise in fructose 2,6-bisphosphate levels can be counteracted by a brief exposure to light intensities greater than 1 microeinstein per square meter per second.
ISSN:0032-0889
1532-2548
DOI:10.1104/pp.79.3.911