Ozone stress modulates amine oxidase and lipoxygenase expression in lentl (Lens culinaris) seedlings

Mauro Maccarrone, Gerrit A. Veldink, Johannes F G Vliegenthart, Alessandro Finazzi Agrò

Research output: Contribution to journalArticlepeer-review

Abstract

The effect of ozone stress on polyamine metabolism and membrane lipid peroxidation in lentil seedlings through the amine oxidase and lipoxygenase activity and expression has been investigated. Ozone is shown to control the expression of these enzymes at the transcriptional level, down-regulating the amine oxidase gene and up-regulating the lipoxygenase gene. The decrease of amine oxidase activity correlated with the increase of putrescine concentration in the ozone-treated plantlets, whereas the increase of lipoxygenase activity was paralleled by enhanced membrane lipid peroxidation. Finally, polyamines are shown to inhibit lipoxygenase activity in lentils.

Original languageEnglish
Pages (from-to)241-244
Number of pages4
JournalFEBS Letters
Volume408
Issue number2
DOIs
Publication statusPublished - May 19 1997

Keywords

  • Amine oxidase
  • Hydroperoxide
  • Lipoxygenase
  • Ozone
  • Polyamine

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

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