Chapter

Photosynthesis: Mechanisms and Effects

pp 233-236

Gloeobacter Violaceus — Further Investigation of an Unusual Photosynthetic Apparatus Pigment Changes in Response to Changes in Light Quality

  • F. KoenigAffiliated withMolekulare Pflanzenphysiologie, Universität Bremen
  • , P. JöstingmeyerAffiliated withMolekulare Pflanzenphysiologie, Universität Bremen
  • , D. MangelsAffiliated withMolekulare Pflanzenphysiologie, Universität Bremen

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Abstract

Gloeobacter violaceus is an in numerous aspects unusual cyanobacterium, carrying the photosynthetic apparatus in the cytoplasmic membrane [1], [2]. The typical long wavelength fluorescence emission of PS I at 77K is missing [3]. The membrane is underlayed by phycobilisomes carrying phycourobilin in addition to phycoerythrobilin [4]. An early publication suggests that there is no pronounced difference in the response of the organism to different light qualities during growth [1].

Key words

antennae carotenoids chromatic adaptation cyanobacteria phycobiliproteins phycourobilin