Plant Physiol. Drug Metab Dispos
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Plant Physiology 42:391-397 (1967)
© 1967 American Society of Plant Biologists

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Fat Metabolism in Higher Plants. XXXIV. Development of Fatty Acid Synthetase as a Function of Protein Synthesis in Aging Potato Tuber Slices

Claude Willemot1 and P. K. Stumpf2

Department of Biochemistry and Biophysics, University of California, Davis, California 95616

Experiments with inhibitors of protein synthesis (actinomycin D, puromycin, actidione) showed that the increase and the change in fatty acid synthetase activity, observed during the aging of potato disks, were accompanied by and related to a temporary rise in the rate of protein and RNA synthesis. These results concur with the earlier suggestion by Click and Hackett that the aging process involves a type of derepression. A possible course of events during aging, and possible derepression mechanisms are suggested and discussed.

1 Postdoctoral Fellow, National Research Council of Canada (1965-66).

2 This research was supported in part by a grant of the USDA (No. 12-14-100-7990-74).






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Copyright © 1967 by the American Society of Plant Biologists