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Book Cover
Author Laisk, A

Title Dynamics of Leaf Photosynthesis : Rapid Response Measurements and Their Interpretations
Published Melbourne : CSIRO Publishing, 1998


Description 1 online resource (175 pages)
Series Techniques in plant sciences ; no. 1
Techniques in plant sciences ; no. 1.
Contents Cover; Title; Copyright; Contents; Forevvord; Preface; 1 Conceptual background; 1.1 Why rapid response?; 1.2 Basic physics of gas flow; 1.2.1 Dynamic resistance of an orifice; 1.2.2 Viscous resistance of a capillary; 1.2.3 Pressure-flow relationships in practice; something intermediate between an orifice and a capillary; 1.2.4 Diffusional mixing of gases in tubes; 1.3 Basic principles of fast-response leaf gas exchange measurement; 2 Rapid-response gas exchange measurement systems for the investigation of the kinetics of leaf photosynthesis; 2.1 Design of the twin-channel system
2.2 Presetting the O[sub(2)] concentration of the carrier gas2.3 Humidification of the carrier gas; 2.4 Mixing CO[sub(2)] into the humidified carrier gas; 2.5 Design of the rapid-response leaf chamber with contact thermostatting; 2.6 Irradiation sources and fibre optics; 2.7 Gas analysis; 2.7.1 Carbon dioxide; 2.7.2 Water vapour; 2.7.3 Oxygen; 2.8 Data logging and processing; 2.9 Movement of the gas front through the leaf chamber and whole-system response; 2.10 Modified rapid-response system for CO[sub(2)] titration of leaves using changes in O[sub(2)] concentration
3 Kinetic analysis of leaf carbon metabolism in steady-state C[sub(3)] photosynthesis3.1 Calculation of the effective CO[sub(2)] concentration during photosynthesis in leaves; 3.1.1 The network of condensed diffusion resistances and fluxes in a leaf; 3.1.2 Expression of fluxes using the difference of the chemical potential of CO[sub(2)]; 3.2 Dependence of the calculated intercellular CO[sub(2)] concentrations on the statistical distribution of stomatal apertures; 3.3 The effect of leaf optical density on the shape of light-response curves
3.4 Determining photosynthetic parameters from steady-state CO[sub(2)] exchange measurements3.4.1 Theoretical relationships between electron transport, CO[sub(2)] fixation and photorespiratory CO[sub(2)] evolution; 3.4.2 CO[sub(2)]/O[sub(2)] specificity of rubisco; 3.4.3 Dark respiration in the light; 3.4.4 Mesophyll diffusion resistance; 3.5 From steady-state to transient analysis of leaf CO[sub(2)] uptake; 3.5.1 Steady-state and transient CO[sub(2)] curves; 3.5.2 Steady-state and transient light curves; 4 Investigations of transient processes in C[sub(3)] leaf photosynthesis
4.1 Dark-light induction of photosynthesis4.1.1 CO[sub(2)] uptake during the dark-light induction of photosynthesis; 4.1.2 O[sub(2)] evolution during the induction under light saturation and light limitation; 4.1.3 Simultaneous measurements of CO[sub(2)] uptake and O[sub(2)] evolution during induction; 4.2 Kinetic studies of photosynthetic carboxylation in vivo; 4.2.1 Kinetics of rubisco with respect to CO[sub(2)]; 4.2.2 Post-illumination CO[sub(2)] uptake: kinetics of rubisco in vivo with respect to RuBP; 4.2.3 Analysing the inhibition of rubisco in leaves by post-illumination transients
Summary Details a novel approach to dynamic, as opposed to steady-state, analysis of leaf photosynthesis
Notes 4.3 Measurement of photorespiratory CO[sub(2)] evolution in the light
Print version record
Subject Photosynthesis -- Measurement
NATURE / General.
Photosynthesis -- Measurement
Form Electronic book
Author Oja, V
ISBN 9780643105294