Progress in Botany/Fortschritte der Botanik

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InhaltsangabeA. Morphology.- I. Cytology.- a) General and Molecular Cytology.- 1. Ontogeny and Development of Plastids.- 2. The Structure of Plastids.- a) Proplastids.- b) Eoplasts.- c) Amyloplasts.- d) Amoeboid Plastids.- e) Pregranal Plastids.- f) Etioplasts.- g) Mature Chloroplasts.- h) Senescing Chloroplasts.- i) Chromoplasts.- j) Elaioplasts.- k) Proteoplasts.- l) Sieve Element Plastids.- 3. Mitochondria.- References.- b) Special Cytology: Differentiated Cells and Cell Development in Higher Plants.- 1. Secretory Cells.- a) Mucilage-Secreting Cells.- b) Nectaries.- c) Salt Glands and Hydathodes.- d) Glands of Carnivorous Plants.- e) Glands with Terpenoid, Flavonoid and Phenolic Secretions.- 2. Idioblasts.- a) Oil Idioblasts.- b) Oxalate Crystal Idioblasts.- 3. Epidermis.- a) Guard Cell Structure.- b) Guard Cell Development.- c) Cuticle.- 4. Aleurone Cells, Endosperm.- 5. Motor Cells for Leaf Movement, Gravity Sensitive Cells.- 6. Animal Food Tissue, Galls.- a) Cells of Ant and Beetle Food Tissue.- b) Galls.- 7. Seasonal Variations in Cell Structure.- 8. Cell Development.- a) General Considerations, Models.- b) Spore Germination.- c) Tip Growth.- d) The Plane of Division.- e) Senescence, Abscission, Formation of Intercellular Spaces.- References.- c) Oberflächenskulpturen bei höheren Pflanzen.- 1. Allgemeines und Methodik.- 2. Epidermale Oberflächen.- a) Mikromorphologische Aspekte.- b) Taxonomische Aspekte.- c) Funktionell-ökologische Aspekte.- 3. Pollen.- Literatur.- II. Reproductive Structures of the Flowering Plants.- 1. Introduction.- 2. Inflorescences.- 3. Flowers.- a) Systematic and Evolutionary Aspects.- b) Flower Ontogeny and Phyllotaxis of Floral Organs.- c) Perianth.- d) Androecium.- e) Gynoecium.- 4. Fruits and Seeds.- 5. Historical Surveys.- References.- B. Physiology.- I. Photosynthesis. The Photosynthetic Reaction Center.- 1. Introduction.- 2. Photosystem 2 Electron Transport.- 3. Delayed Fluorescence of Chlorophyll.- a) Emission Spectra.- b) Decay Kinetics and Temperature Dependence.- c) Stimulation by an Electric Field.- d) Thermolinescence.- 4. The Reaction Center of Green Photosynthetic Bateria.- References.- II. Metabolism of Organic Acids.- Crassulacean Acid Metabolism (CAM).- 1. Current Review on CAM.- 2. Taxonomic Distribution of CAM.- 3. Carbon Flow in CAM.- a) ?-Carboxylation as Initial Step of CAM.- b) Intracellular Localization of PEP-C and Other CAM Enzymes.- c) Nocturnal Storage of Malic Acid.- d) Malic Acid Consumption in CAM.- e) Studies of Carbon Isotope Composition in Context with CAM Carbon Flow.- The Role of Malate and PEP-Carboxylase-Mediated CO2 Fixation in Nitrogen Metabolism.- References.- III. Metabolism of Inorganic Nitrogen Compounds.- 1. Dinitrogen Reduction.- a) Dinitrogen Reduction by Free-Living Organisms.- b) Symbiotic Dinitrogen Reduction.- 2. Nitrate Reduction.- a) Assimilatory Nitrate Reduction.- b) Dissimilatory Nitrate Reduction.- 3. Nitrification.- References.- IV. Secondary Plant Substances. Some Tyrosine- and Phenylalanine-Derived Alkaloids.- 1. Introduction.- 2. Reticuline and Other Benzylisoquinolines.- 3. Bisbenzylisoquinolines.- 4. Aporphine Alkâloids.- 5. Sebiferine.- 6. Erythrina Alkaloids.- 7. Cephalotaxus and Homoerythrina Alkaloids.- References.- V. Growth.- 1. Gibberellins.- a) Chemistry.- b) Methods of Isolation and Determination.- c) Occurrence.- d) Biosynthesis and Metabolism.- e) Action.- 2. Brassinolide.- 3. Cytokinins.- a) Analytical Methods.- b) Occurrence.- c) Biogenesis and Metabolism.- d) Action.- References.- C. Genetics.- I. Replication.- 1. Reviews and Methods.- 2. Regulation of Initiation of DNA Synthesis.- 3. Rate and Fidelity of Elongation.- 4. Pattern and Termination of Replication.- 5. Enzymes Involved in Replication.- 6. Endoreplication, Meiotic, and Differential DNA Replication.- References.- II. Recombination - Recombination in Higher Plants.- 1. Introduction.- 2. Sexual Recombination.- a) Structural Control of Meiotic Processes.- b) Physiological Proc

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