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@ARTICLE{Braun:127709,
      author       = {Braun, Regina and Farré, E. and Schurr, Ulrich and
                      Matsubara, Shizue},
      title        = {{E}ffects of light and circulation clock on growth and
                      chlorophyll accumulation of {N}annochloropsis gaditana
                      ({E}ustigmatophyte)},
      journal      = {Journal of phycology: a bimonthly of the Phycological
                      Society of America},
      volume       = {50},
      number       = {3},
      issn         = {0022-3646},
      address      = {Oxford [u.a.]},
      publisher    = {Wiley-Blackwell},
      reportid     = {FZJ-2012-00666},
      pages        = {515 - 525},
      year         = {2014},
      abstract     = {Circadian clocks synchronize various physiological,
                      metabolic and developmental processes of organisms with
                      specific phases of recurring changes in their environment
                      (e.g. day and night or seasons). Here, we investigated
                      whether the circadian clock plays a role in regulation of
                      growth and chlorophyll (Chl) accumulation in Nannochloropsis
                      gaditana, an oleaginous marine microalga which is considered
                      as a potential feedstock for biofuels and for which a draft
                      genome sequence has been published. Optical density (OD) of
                      N. gaditana culture was monitored at 680 and 735 nm under
                      12:12 h or 18:6 h light-dark (LD) cycles and after switching
                      to continuous illumination in photobioreactors. In parallel,
                      Chl fluorescence was measured to assess the quantum yield of
                      photosystem II. Furthermore, to test if red- or blue-light
                      photoreceptors are involved in clock entrainment in N.
                      gaditana, some of the experiments were conducted by using
                      only red or blue light. Growth and Chl accumulation were
                      confined to light periods in the LD cycles, increasing more
                      strongly in the first half than in the second half of the
                      light periods. After switching to continuous light, rhythmic
                      oscillations continued (especially for OD680) at least in
                      the first 24 h, with a $50\%$ decrease in the capacity to
                      grow and accumulate Chl during the first subjective night.
                      Pronounced free-running oscillations were induced by blue
                      light, but not by red light. In contrast, the photosystem II
                      quantum yield was determined by light conditions. The
                      results indicate interactions between circadian and light
                      regulation of growth and Chl accumulation in N. gaditana.},
      cin          = {IBG-2},
      ddc          = {570},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {242 - Sustainable Bioproduction (POF2-242) / 89582 - Plant
                      Science (POF2-89582)},
      pid          = {G:(DE-HGF)POF2-242 / G:(DE-HGF)POF2-89582},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000337559800010},
      doi          = {10.1111/jpy.12177},
      url          = {https://juser.fz-juelich.de/record/127709},
}