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@ARTICLE{Alboresi:16490,
      author       = {Alboresi, A. and Gerotto, D. and Cazzaniga, S. and Bassi,
                      R. and Morosinotto, T.},
      title        = {{A} red-shifted antenna protein associated with
                      {P}hotosystem {II} in {P}hyscomitrella patens},
      journal      = {The journal of biological chemistry},
      volume       = {286},
      issn         = {0021-9258},
      address      = {Bethesda, Md.},
      publisher    = {Soc.},
      reportid     = {PreJuSER-16490},
      pages        = {28978 - 28987},
      year         = {2011},
      note         = {This work was supported by the Cassa di Risparmio di Padova
                      e Rovigo (CaRiPaRo) Foundation, Universita di Padova Grant
                      CPDA089403, EEC Project Harvest and Fondo per gli
                      Investimenti della Ricerca di Base-Parallelomics Grant
                      RBIP06CTBR.},
      abstract     = {Antenna systems of plants and green algae are made up of
                      pigment-protein complexes belonging to the light-harvesting
                      complex (LHC) multigene family. LHCs increase the
                      light-harvesting cross-section of photosystems I and II and
                      catalyze photoprotective reactions that prevent
                      light-induced damage in an oxygenic environment. The genome
                      of the moss Physcomitrella patens contains two genes
                      encoding LHCb9, a new antenna protein that bears an overall
                      sequence similarity to photosystem II antenna proteins but
                      carries a specific motif typical of photosystem I antenna
                      proteins. This consists of the presence of an asparagine
                      residue as a ligand for Chl 603 (A5) chromophore rather than
                      a histidine, the common ligand in all other LHCbs.
                      Asparagine as a Chl 603 (A5) ligand generates red-shifted
                      spectral forms associated with photosystem I rather than
                      with photosystem II, suggesting that in P. patens, the
                      energy landscape of photosystem II might be different with
                      respect to that of most green algae and plants. In this
                      work, we show that the in vitro refolded LHCb9-pigment
                      complexes carry a red-shifted fluorescence emission peak,
                      different from all other known photosystem II antenna
                      proteins. By using a specific antibody, we localized LHCb9
                      within PSII supercomplexes in the thylakoid membranes. This
                      is the first report of red-shifted spectral forms in a PSII
                      antenna system, suggesting that this biophysical feature
                      might have a special role either in optimization of light
                      use efficiency or in photoprotection in the specific
                      environmental conditions experienced by this moss.},
      keywords     = {Bryopsida: chemistry / Bryopsida: genetics / Bryopsida:
                      metabolism / Genome, Plant: physiology / Photosystem II
                      Protein Complex: chemistry / Photosystem II Protein Complex:
                      genetics / Photosystem II Protein Complex: metabolism /
                      Plant Proteins: chemistry / Plant Proteins: genetics / Plant
                      Proteins: metabolism / Photosystem II Protein Complex (NLM
                      Chemicals) / Plant Proteins (NLM Chemicals) / J (WoSType)},
      cin          = {IBG-2},
      ddc          = {570},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Biochemistry $\&$ Molecular Biology},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:21705318},
      pmc          = {pmc:PMC3190705},
      UT           = {WOS:000293837000034},
      doi          = {10.1074/jbc.M111.226126},
      url          = {https://juser.fz-juelich.de/record/16490},
}