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@ARTICLE{Keller:856917,
      author       = {Keller, Beat and Vass, Imre and Matsubara, Shizue and Paul,
                      Kenny and Jedmowski, Christoph and Pieruschka, Roland and
                      Nedbal, Ladislav and Rascher, Uwe and Muller, Onno},
      title        = {{M}aximum fluorescence and electron transport kinetics
                      determined by light-induced fluorescence transients ({LIFT})
                      for photosynthesis phenotyping},
      journal      = {Photosynthesis research},
      volume       = {140},
      number       = {2},
      issn         = {0166-8595},
      address      = {Dordrecht [u.a.]},
      publisher    = {Springer Science + Business Media B.V},
      reportid     = {FZJ-2018-06244},
      pages        = {221-233},
      year         = {2019},
      abstract     = {Photosynthetic phenotyping requires quick characterization
                      of dynamic traits when measuring large plant numbers in a
                      fluctuating environment. Here, we evaluated the
                      light-induced fluorescence transient (LIFT) method for its
                      capacity to yield rapidly fluorometric parameters from 0.6 m
                      distance. The close approximation of LIFT to conventional
                      chlorophyll fluorescence (ChlF) parameters is shown under
                      controlled conditions in spinach leaves and isolated
                      thylakoids when electron transport was impaired by anoxic
                      conditions or chemical inhibitors. The ChlF rise from
                      minimum fluorescence (Fo) to maximum fluorescence induced by
                      fast repetition rate (Fm−FRR) flashes was dominated by
                      reduction of the primary electron acceptor in photosystem II
                      (QA). The subsequent reoxidation of QA− was quantified
                      using the relaxation of ChlF in 0.65 ms (Fr1) and 120 ms
                      (Fr2) phases. Reoxidation efficiency of QA− (Fr1/Fv, where
                      Fv = Fm−FRR − Fo) decreased when electron transport
                      was impaired, while quantum efficiency of photosystem II
                      (Fv/Fm) showed often no significant effect. ChlF relaxations
                      of the LIFT were similar to an independent other method.
                      Under increasing light intensities, Fr2′/Fq′ (where
                      Fr2′ and Fq′ represent Fr2 and Fv in the light-adapted
                      state, respectively) was hardly affected, whereas the
                      operating efficiency of photosystem II (Fq′/Fm′)
                      decreased due to non-photochemical quenching. Fm−FRR was
                      significantly lower than the ChlF maximum induced by
                      multiple turnover (Fm−MT) flashes. However, the resulting
                      Fv/Fm and Fq′/Fm′ from both flashes were highly
                      correlated. The LIFT method complements Fv/Fm with
                      information about efficiency of electron transport.
                      Measurements in situ and from a distance facilitate
                      application in high-throughput and automated phenotyping.},
      cin          = {IBG-2},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {582 - Plant Science (POF3-582) / DPPN - Deutsches Pflanzen
                      Phänotypisierungsnetzwerk (BMBF-031A053A)},
      pid          = {G:(DE-HGF)POF3-582 / G:(DE-Juel1)BMBF-031A053A},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:30357678},
      UT           = {WOS:000466916000008},
      doi          = {10.1007/s11120-018-0594-9},
      url          = {https://juser.fz-juelich.de/record/856917},
}