Chlorophyll a fluorescence induction kinetics in leaves predicted from a model describing each discrete step of excitation energy and electron transfer associated with Photosystem II

@article{Zhu2005ChlorophyllAF,
  title={Chlorophyll a fluorescence induction kinetics in leaves predicted from a model describing each discrete step of excitation energy and electron transfer associated with Photosystem II},
  author={Xinguang Zhu and Neil R. Baker and Eric Desturler and Donald R. Ort and Stephen P. Long},
  journal={Planta},
  year={2005},
  volume={223},
  pages={114-133}
}
Chlorophyll a fluorescence induction (FI) is widely used as a probe for studying photosynthesis. On illumination, fluorescence emission rises from an initial level O to a maximum P through transient steps, termed J and I. FI kinetics reflect the overall performance of photosystem II (PSII). Although FI kinetics are commonly and easily measured, there is a lack of consensus as to what controls the characteristic series of transients, partially because most of the current models of FI focus on… 

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It is shown, in agreement with the theory, that the sigmoidicity of the fluorescence rise is variable with light intensity and mainly, if not exclusively, determined by the ratio between rate of light excitation and the rate constant of donor side quenching release.

A model of chlorophyll a fluorescence induction kinetics with explicit description of structural constraints of individual photosystem II units

A novel FI model is developed, using a rule-based kinetic Monte Carlo method, which incorporates not only structural and kinetic information on PSII, but also a simplified photosystem I, which provides a framework for exploring impacts of modifying not only kinetic but also structural parameters on the FI kinetics.

Sigmoidal reduction kinetics of the photosystem II acceptor side in intact photosynthetic materials during fluorescence induction.

  • D. JolyR. Carpentier
  • Biology
    Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology
  • 2009
A new quantitative method to analyze experimental FI traces in leaves and intact chloroplasts revealed a sigmoidicity in the reduction kinetics of the PSII acceptor side of intact systems.

Modeling of chlorophyll a fluorescence kinetics in plant cells. Derivation of a descriptive algorithm.

The model and simulation of light-driven chlorophyll fluorescence induction in 10–20 min dark-adapted intact leaves and thylakoids is presented, and application of and results with the algorithm are illustrated for a variety of MTF-induced OJDIP curves.

A model of chlorophyll a fluorescence induction kinetics with explicit description of structural constraints of individual photosystem II units

Chlorophyll a fluorescence induction (FI) kinet- ics, in the microseconds to the second range, reflects the overall performance of the photosynthetic apparatus. In this paper, we have developed a

The fast and slow kinetics of chlorophyll a fluorescence induction in plants, algae and cyanobacteria: a viewpoint

The light-induced/dark-reversible changes in the chlorophyll (Chl) a fluorescence of photosynthetic cells and membranes in the μs-to-several min time window (fluorescence induction, FI; or Kautsky

The polyphasic chlorophyll a fluorescence rise measured under high intensity of exciting light.

  • D. Lazár
  • Biology
    Functional plant biology : FPB
  • 2006
The K-step, usually detected after a high-temperature stress, and other steps appearing in the transient (the H and G steps) are discussed, and some applications of the transient are also mentioned.
...

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