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@ARTICLE{Stingaciu:824954,
      author       = {Stingaciu, Laura and O’Neill, Hugh and Liberton, Michelle
                      and Urban, Volker S. and Pakrasi, Himadri B. and Ohl,
                      Michael},
      title        = {{R}evealing the {D}ynamics of {T}hylakoid {M}embranes in
                      {L}iving {C}yanobacterial {C}ells},
      journal      = {Scientific reports},
      volume       = {6},
      issn         = {2045-2322},
      address      = {London},
      publisher    = {Nature Publishing Group},
      reportid     = {FZJ-2016-07450},
      pages        = {19627},
      year         = {2016},
      abstract     = {Cyanobacteria are photosynthetic prokaryotes that make
                      major contributions to the production of the oxygen in the
                      Earth atmosphere. The photosynthetic machinery in
                      cyanobacterial cells is housed in flattened membrane
                      structures called thylakoids. The structural organization of
                      cyanobacterial cells and the arrangement of the thylakoid
                      membranes in response to environmental conditions have been
                      widely investigated. However, there is limited knowledge
                      about the internal dynamics of these membranes in terms of
                      their flexibility and motion during the photosynthetic
                      process. We present a direct observation of thylakoid
                      membrane undulatory motion in vivo and show a connection
                      between membrane mobility and photosynthetic activity.
                      High-resolution inelastic neutron scattering experiments on
                      the cyanobacterium Synechocystis sp. PCC 6803 assessed the
                      flexibility of cyanobacterial thylakoid membrane sheets and
                      the dependence of the membranes on illumination conditions.
                      We observed softer thylakoid membranes in the dark that have
                      three-to four fold excess mobility compared to membranes
                      under high light conditions. Our analysis indicates that
                      electron transfer between photosynthetic reaction centers
                      and the associated electrochemical proton gradient across
                      the thylakoid membrane result in a significant driving force
                      for excess membrane dynamics. These observations provide a
                      deeper understanding of the relationship between
                      photosynthesis and cellular architecture.},
      cin          = {ICS-1 / Neutronenstreuung ; JCNS-1 / JCNS-SNS},
      ddc          = {000},
      cid          = {I:(DE-Juel1)ICS-1-20110106 / I:(DE-Juel1)JCNS-1-20110106 /
                      I:(DE-Juel1)JCNS-SNS-20110128},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551) /
                      6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 6215 - Soft Matter, Health and Life Sciences (POF3-621)},
      pid          = {G:(DE-HGF)POF3-551 / G:(DE-HGF)POF3-6G4 /
                      G:(DE-HGF)POF3-6215},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000368778100001},
      pubmed       = {pmid:26790980},
      doi          = {10.1038/srep19627},
      url          = {https://juser.fz-juelich.de/record/824954},
}