Pathways of ethylene biosynthesis

Yang, Shang Fa; Baur, A. H.

doi:10.1007/bf01101153

Cited by 23 publications

(4 citation statements)

References 36 publications

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“…On the other hand, the first increases in ethylene concentration observed in our work occurred after i day whereas in the work of Phillips auxin levels had not increased significantly at this time. It is known that water imbalance leads to increased rates of protein breakdown in leaves (Shah and Loomis, 1965;Dove, 1971;Naylor, 1972) and since methionine appears to be the precursor of ethylene in higher plants (Yang and Baur, 1969) it may be that increased availability of this amino acid leads to the elevated ethylene levels observed in this work.…”

Section: Discussionmentioning

confidence: 66%

EFFECT OF WATER STRESS UPON ENDOGENOUS ETHYLENE LEVELS IN VICIA FABA

1974

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SUMMARYConditions of drought or waterlogging lead to greatly increased internal ethylene concentrations in Vida faba L. These increases appear to be due partly to decreased diffusion and partly to increased synthesis and are superimposed on normal diurnal fluctuations in internal ethylene concentration. The higher concentrations observed are correlated with a reduction in growth rate and increased leaf and flower abscission and senescence. The role of ethylene in the mediation of developmental responses to water stress is discussed.

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Section: Discussionmentioning

confidence: 66%

EFFECT OF WATER STRESS UPON ENDOGENOUS ETHYLENE LEVELS IN VICIA FABA

1974

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“…By comparison, acetic acid is a very poor precursor of ethylene in higher plants and both carbons are equally incorporated (Burg & Burg 1964). It has been shown in experiments with tritiated water that during the biosynthesis of ethylene by P. digitatum in glucose medium, three out of four ethylene hydrogens are derived from water (Chou & Yang 1973) but in apple tissue there was little incorporation of hydrogen from this source (Yang & Baur 1969). Chou & Yang (1973) have shown, by means of some elegant biochemistry, that glutamic acid is the most immediate precursor of ethylene which has been identified so far.…”

Section: Biochemistry Of Ethylene Formation By Penicillium Digitatummentioning

confidence: 99%

Ethylene and Agriculture: the Role of the Microbe

Primrose

1979

Journal of Applied Bacteriology

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“…Enzymic conversion of methionine analogs to ethylene catalvzed by peroxidase has been elucidated recently (5,6,11,12,15,17); a-keto-y-methylthiobutyric acid and methional, but not methionine, are the active substrates. A chemical mechanism accounting for suich enzymic formation of ethylene has been described (15)(16)(17)(18). On tlle basis of this information, Yalng (16) has proposed the following scheme for the biosynthesis of ethylene in plants: methionine -> a-keto-y-methylthiobutyric acid -+ methional -) ethylene.…”

mentioning

confidence: 99%