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Plant Physiol. 1989 Sep;91(1):1-4.

Enzymes of ethylene biosynthesis.

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1
MSU-DOE Plant Research Laboratory, Michigan State University, East Lansing, Michigan 48824.

Abstract

The properties of enzymes involved in ethylene biosynthesis are reviewed and progress toward the purification of these enzymes is described. The enzyme whose activity usually limits ethylene biosynthesis is 1-aminocyclopropane-1-carboxylate (ACC) synthase. Even though its level in plants is extremely low, it has now been purified from several sources. The enzyme that converts ACC to ethylene does not survive homogenization, apparently because it is membrane-bound and because its activity requires membrane integrity. Properties of this enzyme have been elucidated in vivo and in vacuolar preparations which possess the capacity to convert ACC to ethylene.

PMID:
16666977
PMCID:
PMC1061940
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