1: Genes and Polypeptides of Photosystem.- Genes of the Photosynthetic Apparatus of Higher Plants Structure, Expression and Strategies for their Engineering.- Specific Mutagenesis as a Tool for the Analysis of Structure/Function Relationships in Photosystem II.- Replication of Chloroplast DNA: Replication Origins, Topoisomerase I, and In Vitro Replication.- Molecular Genetics of Herbicide Resistance in Cyanobacteria.- Molecular Analysis of a Gene (irp A) Encoding a Function Essential for Iron-limited Growth in the Cyanobacterium Anacystis nidulans R2.- Primary Structure and Expression in Escherichia coli of the Mn-stabilising Protein Involved in Photosystem II Water Oxidation.- Further Characterisation of the Isolated PS2 Reaction Centre.- Use of Synthetic Peptides in Studies on the Biogenesis and Phosphorylation of Photosystem II Proteins.- Functional Role for 33KDa Proteins in the Oxygen Evolution Complex (OEC).- Heat-shock Proteins Associated with Chloroplasts.- The Role of Chloride in Oxygen Evolution.- Isolation of a Highly Active PS II Preparation from Wheat Triticum Aestivum and the Chemical Modification of Tyrosine Residues with 4-chloro-7-nitrobenzofurazan (NBD-C1).- Phosphorylation of Photosystem Two Reaction Centre Polypeptides.- Trafficking and Distribution of the Photosynthetic Reaction Centre Proteins in the Chloroplast Membranes.- 2: Energy Transduction.- Linear-dichroic Triplet-minus-Singlet Absorbance Difference Spectra of Borohydride-treated Reaction Centres of Rhodobacter sphaeroides R26.- Ca++ Gating of Proton Fluxes in Thylakoid Membranes: Regulation of Localised and Delocalised Energy Coupled Proton Gradients.- Plastoquinone Diffusion in Proteoliposomes Studied by Pyrene Fluorescence Quenching.- The Involvement of Sulphydryl Group of Coupling Factor 1 (CF1) in Energy Transduction in Chloroplast.- 3: Stress Effects on Photosynthesis Organisms.- The Bioenergetics of Stress Responses in Cyanobacteria.- CAM Induction in Mesembryanthemum crystallinum: Protein Expression.- Sensitivity to Far-uv Light as a Parameter for the Study of in vivo Regulation of Development of PSII Particles in Cyanobacteria: An Analytical Model.- Effects of Light Chilling on Photophosphorylation in Cucumber.- Effect of Heat Stress on Photosynthesis and Respiration in a Wheat (Triticum aestivum L.) Mutant.- Inhibition of Energy Transfer Reactions in Cyanobacteria by Different Ultraviolet Radiation.- Carbon Dioxide Fixation by PEP Carboxylase in Pod-walls of Chickpea (Cicer arietinum L.).- Genotypic Response to Assimilate Demand in a Variegated Leaf Mutant of Nerium Oleander.- Selective Alternations in Photosynthetic Pigment Characteristic and Photoelectron Transport during Senescence of Wheat Leaves.- 4: Molecular Structure—Functions, Relationships.- New Results on the Mechanism of Photosynthetic Water Oxidation.- Molecular and Cellular Biology of the Major Light-harvesting Pigment-protein (LHCIIb) of Higher Plants.- Transport of Proteins into Chloroplasts.- The Role of Lipid-Protein Interactions in the Structure and Function of Photosynthetic Membranes.- to Triplet-minus-Singlet Absorbance Difference Spectroscopy Monitored with Absorbance-detected Magnetic Resonance.- Photosystem I Particles from Sorghum: Isolation and Characterisation of Chlorophyll-Protein Complexes under Differing Growth Light Regimes.