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Plant Physiology 50:496-498 (1972) © 1972 American Society of Plant Biologists Biochemical Pathway of Stress-induced Ethylene
a Science Department, Frederick Community College, Frederick, Maryland 21701, b Plant Air Pollution Laboratory, Plant Science Research Division, Agricultural Research Service, United States Department of Agriculture, Beltsville, Maryland 20705
Ethylene production from beam and tobacco leaves increased rapidly following the application of toxic compounds such as CuSO4, Endothal, and ozone. Treatments which increased ethylene evolution also increased the conversion of U-14C-methionine into ethylene. Cycloheximide inhibited the production of chemical stress-induced ethylene. These results suggest that ethylene is produced by the same biochemical pathway forming basal ethylene, auxin-induced ethylene, or that produced during the ripening of climacteric fruit.
1 This work was performed when A. L. Abeles was on a summer program for teachers, sponsored by the Educational Services Branch, Information Division, United States Department of Agriculture, Beltsville, Md.
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