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J Biol Phys. 1999 Jun;25(2-3):177-92. doi: 10.1023/A:1005101703188.

Kinetic mechanisms of biological regulation in photosynthetic organisms.

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  • 1Dept. Biophysics, Biological Faculty, Moscow State University, Vorobjevy Gory, Moscow, 119899 Russia; Tel.

Abstract

Principles of regulation on different levels of photosynthetic apparatus are discussed. Mathematical models of isolated photosynthetic reaction centers and general system of energy transduction in chloroplast are developed. A general approach to model these complex metabolic systems is suggested. Regulatory mechanisms in plant cell are correlated with the different patterns of fluorescence induction curve at different internal physiological states of the cells and external (environmental) conditions. Light regulation inside photosynthetic reaction centers, diffusion processes in thylakoid membrane, generation of transmembrane electrochemical potential, coupling with processes of CO(2) fixation in Calvin Cycle are considered as stages of control of energy transformation in chloroplasts in their connection with kinetic patterns of fluorescence induction curves and other spectrophotometric data.

KEYWORDS:

Calvin cycle; Fluorescence induction curve; Modeling; Photosynthesis; Primary photosynthetic reactions; Regulation; Transmembraneelectric potential difference

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