I. Chlorosomes and Chlorophyll-Binding Proteins.- Structural Studies on Chlorosomes from Prosthecochloris aestuarii.- Spin Label Studies on Chlorosomes from Green Bacteria.- Ground-State Molecular Interactions of Bacteriochlorophyll c in Chlorosomes of Green Bacteria and in Model Systems: A Resonance Raman Study.- Growth Rate and the Control of Development of the Photosynthetic Apparatus in Chloroflexus aurantiacus as Studied on the Basis of Cytoplasmic Membrane Structure and Chlorosome Size.- The Bacteriochlorophyl1 c--Binding Protein from Chlorosomes of Chlorobium limicola f. thiosulfatophilum.- Structural Studies on the Antenna Complexes and Polypeptides of Chloroflexus aurantiacus and Other Green Photosynthetic Bacteria.- II. Energy Transfer.- Energy Trapping and Electron Transfer in Chloroflexus aurantiacus.- Transfer of Excitation Energy in Chloroflexus aurantiacus.- Excitation Energy Transfer in Living Cells of the Green Bacterium Chlorobium limicola Studied by Picosecond Fluorescence Spectroscopy.- Picosecond Energy Transfer Kinetics in Chlorosomes and Bacteriochlorophyll a-Proteins of Chlorobium limicola.- III. Reaction Centers.- Electron Transfer in the Reaction Center of Green Sulfur Bacteria and Heliobacterium chlorum.- Comparative Study of Spectral and Kinetic Properties of Electron Transfer in Purple and Green Photosynthetic Bacteria.- Triplet-Minus-Singlet Optical Difference Spectroscopy of Some Green Photosynthetic Bacteria.- IV. Electron Trrnsport.- Soluble Electron Transfer Proteins of Chiorobiaceae.- Complex Formation between Chlorobium limicola f. thiosulfatophilum c-Type Cytochromes.- The Mechanism of Photosynthetic Electron Transport and Energy Transduction by Membrane Fragments from Chloroflexus aurantiacus.- Electron Transport Chains of Phototrophically and Chemotrophically Grown Chloroflexus aurantiacus.- V. Carbon, Hydrogen, Nitrogen and Sulfur Metabolism.- A New C02 Fixation Mechanism in Chloroflexus aurantiacus Studied by 13C-NMR.- KinetilS/