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@ARTICLE{Eicher:843904,
      author       = {Eicher, Barbara and Marquardt, Drew and Heberle, Frederick
                      A. and Letofsky-Papst, Ilse and Rechberger, Gerald N. and
                      Appavou, Marie-Sousai and Katsaras, John and Pabst, Georg},
      title        = {{I}ntrinsic {C}urvature-{M}ediated {T}ransbilayer
                      {C}oupling in {A}symmetric {L}ipid {V}esicles},
      journal      = {Biophysical journal},
      volume       = {114},
      number       = {1},
      issn         = {0006-3495},
      address      = {Cambridge, Mass.},
      publisher    = {Cell Press},
      reportid     = {FZJ-2018-01431},
      pages        = {146 - 157},
      year         = {2018},
      abstract     = {We measured the effect of intrinsic lipid curvature, , on
                      structural properties of asymmetric vesicles made of
                      palmitoyl-oleoyl-phosphatidylethanolamine (POPE; ) and
                      palmitoyl-oleoyl-phosphatidylcholine (POPC; ). Electron
                      microscopy and dynamic light scattering were used to
                      determine vesicle size and morphology, and x-ray and neutron
                      scattering, combined with calorimetric experiments and
                      solution NMR, yielded insights into leaflet-specific lipid
                      packing and melting processes. Below the lipid melting
                      temperature we observed strong interleaflet coupling in
                      asymmetric vesicles with POPE inner bilayer leaflets and
                      outer leaflets enriched in POPC. This lipid arrangement
                      manifested itself by lipids melting cooperatively in both
                      leaflets, and a rearrangement of lipid packing in both
                      monolayers. On the other hand, no coupling was observed in
                      vesicles with POPC inner bilayer leaflets and outer leaflets
                      enriched in POPE. In this case, the leaflets melted
                      independently and did not affect each other’s acyl chain
                      packing. Furthermore, we found no evidence for transbilayer
                      structural coupling above the melting temperature of either
                      sample preparation. Our results are consistent with the
                      energetically preferred location of POPE residing in the
                      inner leaflet, where it also resides in natural membranes,
                      most likely causing the coupling of both leaflets. The loss
                      of this coupling in the fluid bilayers is most likely the
                      result of entropic contributions.},
      cin          = {JCNS-FRM-II / Neutronenstreuung ; JCNS-1},
      ddc          = {570},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106},
      pnm          = {6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
                      Neutron Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-MLZ)KWS1-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:29320681},
      UT           = {WOS:000419595500016},
      doi          = {10.1016/j.bpj.2017.11.009},
      url          = {https://juser.fz-juelich.de/record/843904},
}