Plant Physiol. Journal of Pharmacology and Experimental Therapeutics
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Plant Physiology 64:289-292 (1979)
© 1979 American Society of Plant Biologists

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Influence of Enol Ether Amino Acids, Inhibitors of Ethylene Biosynthesis, on Aminoacyl Transfer RNA Synthetases and Protein Synthesis

Autar K. Mattoo1, James D. Anderson, Edo Chalutz2 and Morris Lieberman

a United States Department of Agriculture, Science and Education Administration, Agricultural Research, AMRI; Post Harvest Plant Physiology Laboratory, Beltsville, Maryland 20705

The analogs of rhizobitoxine, aminoethoxyvinylglycine (AVG) (L-2-amino-4-2'-aminoethoxy-trans-3 butenoic acid) and methoxyvinylglycine (MVG) (L-2-amino-4-methoxy-trans-3-butenoic acid), that are potent inhibitors of ethylene biosynthesis at 0.1 millimolar also inhibited protein synthesis and charging of tRNA especially at 1 millimolar and higher concentrations. The saturated analog of MVG inhibited ethylene synthesis while the saturated analog of AVG did not. Both saturated AVG and MVG inhibit methionyl- and leucyl-amino acyl-tRNA synthetase. Because of the inhibition of amino acid metabolism in plant tissues by these rhizobitoxine analogs caution is advised in interpreting the results obtained with concentrations of compounds above 0.1 millimolar.

1 On leave from and present address: Department of Microbiology, M. S. University of Baroda, Baroda 390002, India.

2 On leave from and present address: Agricultural Research Organization, The Volcani Center, Bet-Dagan, Israel.




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J. M. Locke, J. H. Bryce, and P. C. Morris
Contrasting effects of ethylene perception and biosynthesis inhibitors on germination and seedling growth of barley (Hordeum vulgare L.)
J. Exp. Bot., November 1, 2000; 51(352): 1843 - 1849.
[Abstract] [Full Text] [PDF]


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