Prologue.- History and Insights.- Phytochrome.- Phytochrome Overview.- Evolutionary Selection of Phytochrome Chromophores.- Tertiary and Quaternary Structures of Phytochrome A.- Interactions of the Arabidopsis Type II Phytochromes.- A Structure-Function Model Based on Inter-Domain Crosstalks in Phytochromes.- Functions of Different Domains of Phytochrome.- Light Regulation of Intracellular Localization of Phytochrome B.- Photoregulation of Cytoplasmic Motility.- Polymorphism of Phytochrome A and Its Functional Implications.- Phytochromes and Functions: Studies Using Gene Targeting in Physcomitrella.- Distinct Functions of Phytochromes on the Photomorphogenesis in Rice.- Cryptochrome.- Cryptochrome Overview.- Early Events Triggered by Light Activation of the Arabidopsis CRY1 Blue-Light Photoreceptor.- Phototropin.- Phototropin Overview.- Proton Transfer Reactions in LOV-Domain Photochemistry.- Vibrational Spectroscopy Explores the Photoreaction of LOV Domains.- LOV Domain-Containing Proteins in Arabidopsis.- Phototropin Phosphorylation.- NPH3 and RPT2: Signal Transducers in Phototropin Signaling Pathways.- Molecular Mechanism of Blue Light Response in Stomatal Guard Cells.- Chloroplast Photorelocation Movement.- Other Photoreceptors.- Structural Dynamics of the Signal Termination Process in Rhodopsin.- Participation of Internal Water Molecules and Clusters in the Unidirectional Light-Induced Proton Transfer in Bacteriorhodopsin.- Phototaxis Photoreceptor in Euglena gracilis.- A Flavin Mononucleotide-Binding Aquaporin in the Plant Plasma Membrane: A Candidate for Photoreceptor?.- Green Light Effects on Plant Growth and Development.- Photoreceptors in Avian Magnetoreception.- Signal Transduction.- Light Control of Plant Development: A Role of theUbiquitin/Proteasome-Mediated Proteolysis.- Phytochrome and COP1 Regulates Abundance of Phytochrome Interacting Factor 3.- Roles Played by Auxin in Phototropism and Photomorphogenesis.- The Effect of Light and Gravity on Hypocotyl Growth Orientation.- Convergence of Phytochrome and Cryptochrome Signalling.- Downstream Integrators of Red, Far-Red, and Blue Light Signaling for Photomorphogenesis.- Signal Transduction Pathways Regulating Chromatic Adaptation.- Components of Light-Induced Signal Transduction in Cyanobacteria.- Light Signal Transduction Coupled with Reactive Oxygen Species in Neurospora crassa.- Photoperiodism and Circadian Rhythm.- Light Regulation of Flowering Time in Arabidopsis.- Comparative Molecular Biology in Photoperiodic Flowering Between the Short-Day Plant Rice and the Long-Day Plant Arabidopsis.- The Photoperiodic Control of Flowering in Rice, a Short-Day Plant.- ZEITLUPE and the Control of Circadian Timing.- Epilogue.- Epilogue: Eighteen Years of Progress in Photomorphogenesis.
