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. 1982 Oct;70(4):1221–1223. doi: 10.1104/pp.70.4.1221

Inhibition by Polyamines of Macromolecular Synthesis and Its Implication for Ethylene Production and Senescence Processes 1,2

Akiva Apelbaum 1,2, Isaac Icekson 1,2, Alan C Burgoon 1,2, Morris Lieberman 1,2,3
PMCID: PMC1065854  PMID: 16662642

Abstract

Applied diamines and polyamines inhibited the incorporation of radioactively labeled leucine and uridine into trichloroacetic acid-insoluble material in apple (Malus domestica Borkh, cv Golden Delicious) fruit tissue. The inhibitory effect was in general more pronounced with the higher molecular weight amines. Putrescine at 5 millimolar inhibited leucine incorporation by 37% and uridine by 44%. Spermidine and spermine at the same concentration inhibited uridine incorporation by 60%. The polyamines at concentrations between 0.1 and 1.0 millimolar inhibited leucine incorporation by 55 to 90%. The inhibitory effect of 0.1 to 10 millimolar polyamines on dark- and wound-induced senescence or ethylene production, is discussed in the light of interference with macromolecular synthesis.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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