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1988 (1)
1986 (1)
1Author    Robert Carpentier, RogerM. Leblanc, Guy BellemareRequires cookie*
 Title    Chlorophyll Photobleaching in Pigment-Protein Complexes  
 Abstract    Pigment photobleaching was performed in thylakoid membranes of Hordeum vulgare (wild type, mutant Chlorina f2, Norfluranzon treated seedlings) and in pigment-protein complexes (CP-I and LHCP) isolated from H. vulgare and Chlamydomonas reinhardtii. Multiphasic kinetics were obtained in all of the above cases. Energy transfer towards pigments absorbing at longer wavelength is postulated as a general protection mechanism against photobleaching. This mechanism explains a substantial bleaching of carotenoids and a faster bleaching of chlorophyll aggregates, absorbing at long wavelength. These conclusions were valid for isolated complexes as well as for thylakoid membranes, although membranes were less sensitive to light. In tro d u ctio n 
  Reference    Z. Naturforsch. 41c, 284 (1986); received September 23 1985 
  Published    1986 
  Keywords    Pigment-Protein Complexes, Photobleaching, Thylakoid Membranes Energy Transfer, Chlorophyll 
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 TEI-XML for    default:Reihe_C/41/ZNC-1986-41c-0284.pdf 
 Identifier    ZNC-1986-41c-0284 
 Volume    41 
2Author    S. S. Brody, D. Simpson, M. RiehRequires cookie*
 Title    Distribution of cis-iraws-ß-Carotene in Pigment-Protein Fractions of Photosystem I and II  
 Abstract    The distribution of isomers of ß-carotene is reported in the CP-47 pigment-protein complex of photosystem II and photosystem I (PS I) from barley. The distribution of carotenoids from light harvester complex II is reported. CP-47 lacks 9,9'-rá-carotene, but contains 9,13'-c/s-carotene; PS I lacks 9,\2>'-cis but contains 9,9'-eis. More 9-eis, 9,13-cw, 9,15-c/s, and epoxide is observed in CP-47 than in PS I. 
  Reference    Z. Naturforsch. 43c, 577—580 (1988); received March 15 1988 
  Published    1988 
  Keywords    Photosynthesis, Carotene, High Performance Liquid Chromatography, Photosystems, Pigment-Protein Complex 
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 TEI-XML for    default:Reihe_C/43/ZNC-1988-43c-0577.pdf 
 Identifier    ZNC-1988-43c-0577 
 Volume    43