Ethylene Biosynthesis and its Regulation in Higher Plants

Yang, Shang Fa; Hoffman, Neil E.

doi:10.1146/annurev.pp.35.060184.001103

Cited by 2,939 publications

(1,312 citation statements)

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“…Exogenously applied polyamines have been reported to inhibit the biosynthesis of ethylene (Apelbaum et al 1981;Suttle, 1981) by blocking its formation from I -aminocyclopropane-Icarboxylic acid (Fuhrer et al, 1982). This reaction is catalysed by an ill-defined constitutive membraneassociated enzyme system (Yang & Hoffman, 1984). The polyamine effect is somewhat antagonized by Ca2' and it was suggested that through ionic interactions with membranes and changes in membrane microviscosity polyamines could modulate this latter activity (Ben-Arie et al, 1982;Fuhrer et al, 1982).…”

Section: Interaction Of Polyamines With Membrane Componentsmentioning

confidence: 99%

“…The transformation of 1-aminocyclopropane-I-carboxylate into ethylene can also be induced by radicals (e.g. superoxide radical anion) generated from plant membranes (Yang & Hoffman, 1984), and polyamines acting as scavengers (see above) were found to strongly interfere with such a reaction (Drolet, et al, 1986). The specificity and the physiological meaning of these observations are difficult to assess at present, since we do not know whether senescence induced by ethylene can be regulated by signals which affect, in vivo, polyamine biosynthesis in plants.…”

Section: Interaction Of Polyamines With Membrane Componentsmentioning

confidence: 99%

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Influence of polyamines on membrane functions

Schuber

1989

Biochemical Journal

417

222

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Section: Interaction Of Polyamines With Membrane Componentsmentioning

confidence: 99%

Section: Interaction Of Polyamines With Membrane Componentsmentioning

confidence: 99%

Influence of polyamines on membrane functions

Schuber

1989

Biochemical Journal

417

222

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“…The rate constant for the association of AVG with apple ACC synthase was determined by stopped-flow spectrophotometry (2. The plant hormone ethylene, which regulates many aspects of plant growth, development, and senescence is synthesized in the Yang cycle (1). The biosynthetic precursor of ethylene, 1-aminocyclopropane-1-carboxylate (ACC), 1 is produced by a pyridoxal phosphate (PLP)-dependent enzyme, ACC synthase (S-adenosyl-L-methionine methylthioadenosine lyase, EC 4.4.1.14).…”

mentioning

confidence: 99%

“…The plant hormone ethylene, which regulates many aspects of plant growth, development, and senescence is synthesized in the Yang cycle (1). The biosynthetic precursor of ethylene, 1-aminocyclopropane-1-carboxylate (ACC), 1 is produced by a pyridoxal phosphate (PLP)-dependent enzyme, ACC synthase (S-adenosyl-L-methionine methylthioadenosine lyase, EC 4.4.1.14). This enzyme catalyzes the ␣,␥-elimination of methylthioadenosine (MTA) from S-adenosyl-L-methionine (SAM) to produce ACC (Scheme 1).…”

mentioning

confidence: 99%

Apple 1-Aminocyclopropane-1-carboxylate Synthase in Complex with the Inhibitor l-Aminoethoxyvinylglycine

Capitani¹,

McCarthy²,

Gut³

et al. 2002

Journal of Biological Chemistry

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The 1.6-Å crystal structure of the covalent ketimine complex of apple 1-aminocyclopropane-1-carboxylate (ACC) synthase with the potent inhibitor L-aminoethoxyvinylglycine (AVG) is described. ACC synthase catalyzes the committed step in the biosynthesis of ethylene, a plant hormone that is responsible for the initiation of fruit ripening and for regulating many other developmental processes. AVG is widely used in plant physiology studies to inhibit the activity of ACC synthase. The structural assignment is supported by the fact that the complex absorbs maximally at 341 nm. These results are not in accord with the recently reported crystal structure of the tomato ACC synthase AVG complex, which claims that the inhibitor only associates noncovalently. The rate constant for the association of AVG with apple ACC synthase was determined by stopped-flow spectrophotometry (2.1 ؋ 10 5 M ؊1 s ؊1 ) and by the rate of loss of enzyme activity (1

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“…Ethylene is a gaseous plant hormone which is produced by plant cells mainly as a response to stress conditions (Yang and Hoffman 1984). Several researchers have attempted to elucidate the possible influence of ethylene on plant tissue cultures (Burg 1962;Pratt and Goeschl 1969).…”

Section: Introductionmentioning

confidence: 99%

Improvement of regeneration of Lycopersicon pennellii protoplasts by decreasing ethylene production

et al. 1991

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Take-down policy If you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim.Downloaded from the University of Groningen/UMCG research database (Pure): http://www.rug.nl/research/portal. For technical reasons the number of authors shown on this cover page is limited to 10 maximum. Download date: 12-05-2018Plant Cell Reports (1991) 9:539-543 Summary. Lycopersicon pennellii shoots, cultured in vitro for more than a year (type I plants) produced few viable protoplasts in contrast to shoots cultured in vitro for less than five months (type II plants). Ethylene production of both plant types was compared. The low viability of plant type I protoplasts could be correlated with high ethylene production and an increased cell sap osmolality. The ethylene action inhibitor silver thiosulphate improved protoplast yield and viability, especially when using donor tissue, germinated and cultured on medium containing silver thiosulphate (type III plants). Moreover, the choice of cell wall degrading enzymes influenced protoplast viability, since ethylene release was significantly lower using Cellulase R 10 than CeUulysin. All improvements together resulted in an efficient protocol for the isolation and regeneration of L ycopersicon pennellii protoplasts, Plant Cell Reports

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Ethylene Biosynthesis and its Regulation in Higher Plants

Cited by 2,939 publications

References 68 publications

Influence of polyamines on membrane functions

Influence of polyamines on membrane functions

Apple 1-Aminocyclopropane-1-carboxylate Synthase in Complex with the Inhibitor l-Aminoethoxyvinylglycine

Improvement of regeneration of Lycopersicon pennellii protoplasts by decreasing ethylene production

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