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@ARTICLE{Nedbal:894069,
      author       = {Nedbal, Ladislav and Lazár, Dušan},
      title        = {{P}hotosynthesis dynamics and regulation sensed in the
                      frequency domain},
      journal      = {Plant physiology},
      volume       = {187},
      number       = {2},
      issn         = {1532-2548},
      address      = {Rockville, Md.},
      publisher    = {Soc.},
      reportid     = {FZJ-2021-03019},
      pages        = {646–661},
      year         = {2021},
      abstract     = {Foundations of photosynthesis research have been
                      established mainly by studying the response of plants to
                      changing light, typically to sudden exposure to a constant
                      light intensity after dark acclimation or light flashes.
                      This approach remains valid and powerful, but can be limited
                      by requiring dark acclimation before time-domain
                      measurements and often assumes that rate constants
                      determining the photosynthetic response do not change
                      between dark and light acclimation. We show that these
                      limits can be overcome by measuring plant responses to
                      sinusoidally modulated light of varying frequency. By its
                      nature, such frequency-domain characterization is performed
                      in light-acclimated plants with no need for prior dark
                      acclimation. Amplitudes, phase shifts, and upper harmonic
                      modulation extracted from the data for a wide range of
                      frequencies can target different kinetic domains and
                      regulatory feedbacks. The occurrence of upper harmonic
                      modulation reflects non-linear phenomena, including
                      photosynthetic regulation. To support these claims, we
                      measured chlorophyll fluorescence emission of the green alga
                      Chlorella sorokiniana in light that was sinusoidally
                      modulated in the frequency range 1000 – 0.001 Hz. Based
                      on these experimental data and numerical as well as
                      analytical mathematical models, we propose that
                      frequency-domain measurements can become a versatile tool in
                      plant sensing.},
      cin          = {IBG-2},
      ddc          = {580},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {2171 - Biological and environmental resources for
                      sustainable use (POF4-217)},
      pid          = {G:(DE-HGF)POF4-2171},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {34608969},
      UT           = {WOS:000710977100015},
      doi          = {10.1093/plphys/kiab317},
      url          = {https://juser.fz-juelich.de/record/894069},
}