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KMID : 0352720000240020083
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Journal of Ginseng Research
2000 Volume.24 No. 2 p.83 ~ p.88
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Sucrose Synthase, UDP-glucose pyrophosphorylase and ADP-glucose Pyrophosphorylnse in Korea Ginseng Roots
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Mi Ja Lee/Yelena V Sundukova
Mi Ja Lee/Hoon Park
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Abstract
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The seasonal variation in the activity of sucrose synthase, ADP-glucose pyrophosphorylase and UDP-glucose pyrophosphorylase in roots of Panax ginseng C.A.Meyer have been studied. It was revealed that sucrose synthase and ADP-glucose pyrophosphorylase are adaptive enzymes and can serve as markers of sink strength, while UDP-glucose pyrophosphorylase is the maintenance enzyme. The average day temperature exceeded 24。C appeared to cause the disturbance in refilling process, affecting the starch synthesis. Study on the dependence of oxygen consumption in stele tissue with temperature revealed the sharp accelerating of this process after 24。C.
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KEYWORD
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Sucrose synthase, ADP-glucose pyrophosphorylnse, UDP-glucose pyrophosphorylnse, oxygen consumption, seasonal variation, heat-shock stress, Panax ginseng
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