A resonance raman study of carotenoid susceptibility to photooxidatiom in the cyanobacterium Anacystis nidulans

B. Szalontai, K. Csatorday

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Carotenoids were proven to be convenient Raman active probes of membrane structure. When no change is detectable in relative peak intensities and positions in the Raman spectrum the sensitivity of carotenoids to photodestruction may offer a new dimension in membrane research. This was taken advantage of by studying phycocyanin-carotenoid interaction in the cyanobacterium Anacystis nidulans. During nitrate starvation the auxiliary pigment phycocyanin is lost and the value of the decay constant calculated from the deterioration of the resonance Raman spectra also diminished. The temperature dependence of the decay constant made possible the determination of the phase transition temperature of the thylakoid membrane as well.

Original languageEnglish
Pages (from-to)269-272
Number of pages4
JournalJournal of Molecular Structure
Volume60
Issue numberC
DOIs
Publication statusPublished - 1980

Fingerprint

carotenoids
Cyanobacteria
Carotenoids
Phycocyanin
magnetic permeability
Raman scattering
Raman spectra
membranes
Membranes
membrane structures
Membrane structures
Thylakoids
Transition Temperature
Phase Transition
decay
Starvation
pigments
deterioration
Pigments
Nitrates

ASJC Scopus subject areas

  • Structural Biology
  • Organic Chemistry
  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Materials Science (miscellaneous)
  • Atomic and Molecular Physics, and Optics

Cite this

A resonance raman study of carotenoid susceptibility to photooxidatiom in the cyanobacterium Anacystis nidulans. / Szalontai, B.; Csatorday, K.

In: Journal of Molecular Structure, Vol. 60, No. C, 1980, p. 269-272.

Research output: Contribution to journalArticle

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