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Light-induced absorbance changes in the fungus Verticillium-Agricinum

  • K C Hsiao
  • Lars Olof Björn
Publishing year: 1982
Language: English
Pages: 73-75
Publication/Series: Physiologia Plantarum
Volume: 55
Issue: 2
Document type: Journal article
Publisher: Wiley Online Library

Abstract english

Light-induced absorbance changes were investigated in vivo in the fungus V. agaricinum (Link) Corda. There was a broad light-induced absorbance decrease in the blue and near UV with a maximum at 384 nm. An action spectrum indicated that the absorbance changes were due to photo-bleaching of a pigment with an absorption spectrum that was similar to the action spectrum. Neither redox reactions nor energy metabolism were involved in the photo-bleaching process. A direct comparison of action spectra for light-induced absorbance changes and photo-induction of carotenogenesis suggests that the photo-bleaching may not be related to photo-induction of carotenogenesis.


  • Biological Sciences


  • ISSN: 0031-9317
Lars Olof Björn
E-mail: lars_olof [dot] bjorn [at] biol [dot] lu [dot] se

Professor emeritus

Molecular Cell Biology

+46 46 222 72 53