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Heterogeneity of photosystem II probed by the numerically simulated chlorophyll a fluorescence rise (O–J–I–P)

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  • Strasser, Reto J.
  • D. Stirbet, Alexandrina

Abstract

The in vivo variable fluorescence of chlorophyll a is used as a non-intrusive probe of the physiological state of intact leaves. It was established that the origin of this signal is the antenna system of photosystem II (PSII). The PSII population is heterogeneous with respect to antenna size, connectivity, electron transport activity, and localization. In this paper we have simulated the effect of these heterogeneities on the fluorescence transient using a mathematical model based on the redox reactions from the acceptor side of PSII. We have concluded that the systems with heterogeneous antenna size and connectivity can be simulated acceptably with a homogeneous population of PSII centres having average values for antenna size and the connectivity constant C. However, this is not possible if there are inactive PSII centres in the system (the so-called non-QB active centres). Finally, we have presented some possible applications of these types of simulations.

Suggested Citation

  • Strasser, Reto J. & D. Stirbet, Alexandrina, 1998. "Heterogeneity of photosystem II probed by the numerically simulated chlorophyll a fluorescence rise (O–J–I–P)," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 48(1), pages 3-9.
    • Handle: RePEc:eee:matcom:v:48:y:1998:i:1:p:3-9
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    Cited by:

    1. Natiele SANDRINI CELOVANE & Jadson BONINI ZAMPIROLLO & Thais SILVA COSTA & Clodoaldo LEITES PINHEIRO & Diolina MOURA SILVA & Elisa MITSUKO AOYAMA & Antelmo RALPH FALQUETO, 2018. "Photochemical activity in Dalbergia nigra (Vell.) Fr. Allem. seedlings submitted to water deficit," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 64(10), pages 409-415.
    2. Stirbet, Alexandrina D. & Rosenau, Philipp & Ströder, Andreas C. & Strasser, Reto J., 2001. "Parameter optimisation of fast chlorophyll fluorescence induction model," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 56(4), pages 443-450.

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