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'Anabaena variabilis' in keywords Facet   Publication Year 1996  [X]
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1996[X]
1Author    ShigetohM. Iyachi11, JoachimB. Ürger, K. Iriakos, K. Otzabasisb, JensT. Hielm Annc, H. O. Rst SengerRequires cookie*
 Title    Photosynthetic Characteristics of Three Strains of Cyanobacteria Grown under Low-or High-C02 Conditions  
 Abstract    Quantum requirements of photosynthetic oxygen evolution at 679 nm, fluorescence em is­ sion spectra at liquid nitrogen temperature (77 K) and fluorescence induction kinetics in the presence of DCM U, were measured in the cyanobacteria Anabaena variabilis M3, Anabaena variabilis ATCC 29413 and A nacystis nidulans R2, each grown under low-or high-C02 condi­ tions. L o w -C 0 2 grown cells o f the cyanobacteria showed a higher quantum requirement of photosynthetic oxygen evolution and a higher ratio o f F7U)_740 to F680_700 fluorescence and a lower variable fluorescence in the presence of D CM U than high-C02 grown cells. These findings indicate a change in excitation energy distribution in favour of photosystem I. The result might be an enhancement in ATP formation caused by cyclic electron flow which in turn provokes dissolved inorganic carbon (D IC) accumulation in these low-C02 grown cells. 
  Reference    Z. Naturforsch. 51c, 40—4 (1996); received August 4/October 6 1995 
  Published    1996 
  Keywords    Quantum Requirement, Fluorescence, Dissolved Inorganic Carbon, Anabaena variabilis, Anacystis nidulans 
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 TEI-XML for    default:Reihe_C/51/ZNC-1996-51c-0040.pdf 
 Identifier    ZNC-1996-51c-0040 
 Volume    51