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1985 (1)
1Author    Günter Döhler, Alfred MärteRequires cookie*
 Title    Effect of Light Intensity on Photosynthetic 14C 0 2 Fixation of A nabaena flos -aquae  
 Abstract    The cyanobacterium Anabaena flos-aquae (strain 1444) grown at different intensities o f white light (900. 3500 and 30000 lux) showed changes in the content and com position o f the pigments. Phycocyanin was more affected by high light conditions during growth than chlorophyll a. In comparison to in low white light grown cyanobacteria num ber o f phycobilisom es and thylakoids decreased under strong light. A dim inution o f 14C 0 2 fixation, total am ino acid content, glutam ic acid and glutamine pools was found in strong white light grown cells. Under these conditions the majority o f l4C-labelling was measured in sugar phosphates. After pressure treatment a marked increase o f 14C-incorporation into am ino acids could be obtained. Results were discussed with reference to regulation o f buoyancy in Anabaena flos-aquae. 
  Reference    Z. Naturforsch. 40c, 122 (1985); received August lO/O ctober 19 1984 
  Published    1985 
  Keywords    Pigmentation, Photosynthetic C 0 2 Fixation, Am ino Acids, G as Vacuoles, Anabaena flos-aquae 
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 TEI-XML for    default:Reihe_C/40/ZNC-1985-40c-0122.pdf 
 Identifier    ZNC-1985-40c-0122 
 Volume    40