Calcium Inhibition of Pyrophosphatase in Crude Plant Extracts: IMPLICATION OF SOLUBLE CALCIUM IN C4 PHOTOSYNTHESIS

AUTOR(ES)
RESUMO

Assays of alkaline pyrophosphatase activity in crude plant extracts are inhibited by soluble calcium coextracted with the enzyme from leaf tissues. Calcium concentrations in most extracts are high enough to interfere seriously with the assay.

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