Modulation of membrane fluidity by catalytic hydrogenation affects the chilling susceptibility of the blue-green alga, Anacystis nidulans

L. Vigh, F. Joó

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

All the changes, i.e. the phase separation temperature of thylakoid lipids, shift in the chilling induced increase of K+ permeability and decline in photosynthetic O2-production, respectively, brought about by temperature acclimation in Anacystis nidulans, can be accomplished by homogeneous catalytic hydrogenation of the fatty acids, as well, using a new water-soluble Pd(II) complex, hitherto unknown in biological applications. Since the thermo-adaptation replaced by proper hydrogenation conducted under isothermal condition results in a similar modification of chilling susceptibility, it afforts direct evidence that chilling response is mediated by changing the degree of fatty acid unsaturation in Anacystis nidulans.

Original languageEnglish
Pages (from-to)423-427
Number of pages5
JournalFEBS letters
Volume162
Issue number2
DOIs
Publication statusPublished - Oct 17 1983

Keywords

  • Anacystis nidulans
  • Catalytic hydrogenation
  • Chilling susceptibility
  • Membrane fluidity

ASJC Scopus subject areas

  • Biophysics
  • Structural Biology
  • Biochemistry
  • Molecular Biology
  • Genetics
  • Cell Biology

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