Section 6
Chapter 5,662

Increase in alkaline phosphatase activity in cucumber cucumis sativus roots during calcium starvation

Matsumoto, H.; Yamaya, T.

Plant and Cell Physiology 22(6): 1137-1140


ISSN/ISBN: 0032-0781
Accession: 005661232

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Alkaline phosphatase activity in cucumber roots increased with Ca deficiency. Acid phosphatase was scarcely affected by the treatment. Re-addition of Ca not only suppressed the continuous increase in alkaline phosphatase activity but also reduced the already formed activity. Alkaline phosphatase activity increased with a deficiency of Ca, P, minor elements and Fe in this order. Either cycloheximide or actinomycin D completely suppressed the increase in the activity caused by Ca deficiency.

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