Increase in Alkaline Phosphatase Activity in Cucumber Roots during Calcium Starvation |
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| Authors: | Matsumoto Hideaki; Yamaya Tomoyuki |
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| Institution: | Institute for Agricultural and Biological Sciences, Okayama University Chuo 2-20-1, Kurashiki, Okayama 710, Japan |
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| Abstract: | Alkaline phosphatase activity in cucumber roots increased withcalcium deficiency. However, acid phosphatase was scarcely affectedby the treatment. Re-addition of calcium not only suppressedthe continuous increase in alkaline phosphatase activity butalso reduced the already formed activity. Alkaline phosphatase activity increased with a deficiency ofcalcium, phosphate, minor elements and iron in this order. Eithercycloheximide or actinomycin D completely suppressed the increasein the activity caused by calcium deficiency. (Received April 16, 1981; Accepted July 17, 1981) |
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