Influence Of Cobalt Ions On Enzyme Activty Of Isocitriate Lyase And Its Regulation In Condition Of Seed Germination Of Glycine Max L.

Abstract

Ð?. F. Chechui

We investigated the activity of isocitrate lyase in seeds of Glycine max L. after 24, 72, and 120 hours of germination and effect of cobalt ions on the activity of the enzyme in time limit of the experiment. We fixed the increase in the activity of isocitrate lyase under influence of cobalt ions occurs by means of enzyme induction on third day of experiment while maintaining performance of enzyme activity on the fifth day; one of the reasons caused the increased activity of the key enzyme of the glyoxylate cycle under the influence of cobalt ions can be increasing of the concentration of lipid peroxidation. In addition, during experiments with usage of actinomycin D we determined the increasing of activity of isocitrate lyase under the influence of cobalt ions by enzyme induction.

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