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Evidence of enzymatic formation of ethylene from methionine by rat liver extracts is presented. The ethylene production is closely associated with growth of the animal. The conversion of L-methionine to ehtylene is oxygen dependent. Substrate analogue studies show that the ethylene-forming system is structurally specific and requires in the center of the molecule alpha-CH2-CH2- with one end attached to an unencumbered sulfur atom from a thioether moiety and the other end attached to a carboxyl group. Sylfhydryl agents are found to be very effective inhibitors of the ethylene-forming system. The finding of alpha-keto-4-methylthiobutyric acid to be a more efficient precursor of ethylene production suggests the possibility that alpha-keto-4-methylthiobutyric acid may be an intermediate in the biosynthesis of ethylene from methionine in mammalian tissues.
P C Fu, and
V Zic, and
K Ozimy
November 1966,
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P C Fu, and
V Zic, and
K Ozimy
April 1975,
Acta hepato-gastroenterologica,
P C Fu, and
V Zic, and
K Ozimy
April 1966,
Science (New York, N.Y.),
P C Fu, and
V Zic, and
K Ozimy
January 2004,
Environmental sciences : an international journal of environmental physiology and toxicology,
P C Fu, and
V Zic, and
K Ozimy
January 1983,
Biofizika,
P C Fu, and
V Zic, and
K Ozimy
March 1961,
The Journal of pharmacology and experimental therapeutics,
P C Fu, and
V Zic, and
K Ozimy
December 1979,
Japanese journal of pharmacology,
P C Fu, and
V Zic, and
K Ozimy
July 1971,
Radiology,
P C Fu, and
V Zic, and
K Ozimy
January 1988,
Journal of cancer research and clinical oncology,
P C Fu, and
V Zic, and
K Ozimy
January 1984,
Kosmicheskaia biologiia i aviakosmicheskaia meditsina,
