The requirement for carotenoids in the assembly and function of the photosynthetic complexes in Chlamydomonas reinhardtii. (Articolo in rivista)

Type
Label
  • The requirement for carotenoids in the assembly and function of the photosynthetic complexes in Chlamydomonas reinhardtii. (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1104/pp.112.205260 (literal)
Alternative label
  • Santabarbara S, Casazza AP, Ali K, Economou CK, Wannathong T, Zito F, Redding KE, Rappaport F, Purton S. (2013)
    The requirement for carotenoids in the assembly and function of the photosynthetic complexes in Chlamydomonas reinhardtii.
    in Plant physiology (Bethesda)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Santabarbara S, Casazza AP, Ali K, Economou CK, Wannathong T, Zito F, Redding KE, Rappaport F, Purton S. (literal)
Pagina inizio
  • 535 (literal)
Pagina fine
  • 546 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.plantphysiol.org/content/161/1/535.long (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 61 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 11 (literal)
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  • 1 (literal)
Note
  • PubMe (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Institute of Structural and Molecular Biology, University College London, London WC1E 6BT, United Kingdom (S.S., K.A., C.K.E., T.W., S.P.) Istituto di Biofisica (S.S.) and Insituto di Biologia e Biotecnologia Agraria (A.P.C.), Consiglio Nazionale delle Ricerche, 20133 Milan, Italy Unité Mixte de Recherche 7099 Centre National de la Recherche Scientifique/Université Paris-7 (F.Z.) and Unité Mixte de Recherche 7141 Centre National de la Recherche Scientifique/Université Paris-6 (S.S., F.R.), Institut Biologie Physico-Chimique, F-75005 Paris, France Department of Chemistry and Biochemistry, Arizona State University, Tempe, Arizona 85287 (K.E.R.) (literal)
Titolo
  • The requirement for carotenoids in the assembly and function of the photosynthetic complexes in Chlamydomonas reinhardtii. (literal)
Abstract
  • We have investigated the importance of carotenoids on the accumulation and function of the photosynthetic apparatus using a mutant of the green alga Chlamydomonas reinhardtii lacking carotenoids. The FN68 mutant is deficient in phytoene synthase, the first enzyme of the carotenoid biosynthesis pathway, and therefore is unable to synthesize any carotenes and xanthophylls. We find that FN68 is unable to accumulate the light-harvesting complexes associated with both photosystems as well as the RC subunits of photosystem II. The accumulation of the cytochrome b?f complex is also strongly reduced to a level approximately 10% that of the wild type. However, the residual fraction of assembled cytochrome b?f complexes exhibits single-turnover electron transfer kinetics comparable to those observed in the wild-type strain. Surprisingly, photosystem I is assembled to significant levels in the absence of carotenoids in FN68 and possesses functional properties that are very similar to those of the wild-type complex. (literal)
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