Progress in Botany / Fortschritte der Botanik

With one new volume each year, this series keeps scientists and advanced students informed of the latest developments and results in all areas of botany. The present volume includes reviews on plant physiology, genetics, taxonomy and geobotany.

Review.- Botanical Aspects of Landscape Ecology with Outlooks on Forest Dieback.- A. Physiology.- I. Plant Water Relations: Metabolic Responses to Water Deficit and Surplus.- II. The Leaf Epidermis: its Ecophysiologieal Significance.- III. Developmental Physiology: Regulation of Polar Cell Growth and Morphogenesis.- IV. Intracellular Movement.- V. Thermotropic Responses of Biomembranes Exemplified by the Tonoplast of Crassulacean Acid Metabolism Plants.- VI. Nitrate or Ammonium Uptake and Transport, and Rapid Regulation of Nitrate Reduction in Higher Plants.- VII. Secondary Plant Substances: Benzylisoquinoline Alkaloids.- VIII. Carbohydrate Processing in the Mesophyll Trajectory in Symplasmic and Apoplasmic Phloem Loading.- B. Genetics.- I. DNA Replication and DNA Repair.- II. Recombination: Novel Gene and Genome Combinations for Resistance Breeding by Hybridization and Genetic Transformation.- 1. Introduction.- 2. Introgression of Foreign Genes for Disease and Pest Resistance by Interspecific Hybridization.- a) Sexual Hybridization and Embryo Rescue.- b) Somatic Hybridization.- 3. Genetically Engineered Resistance.- 4. Interspecific Hybridization Versus Transformation.- 5. Conclusions and Future Prospects.- References.- III. Extranuclear Inheritance: Plastid Genetics.- 1. Introduction.- 2. The Results of Sequencing the Plastid Genomes of a Gymnosperm and Two Algae.- 3. Plastome Mutants of Higher Plants and the Elucidation of Their Molecular Basis.- 4. RNA Editing in Plastids.- 5. Plastid Transformation: Advances and Applications.- References.- IV. Molecular Cell Biology: Signal Transduction in Plants.- 1. Introduction.- 2. Cytosolic Ca2+ as Second Messenger.- 3. GTP-Binding Proteins: a Broad Protein Family.- 4. Nuclear Pores and Nuclear Transport of Proteins.- 5. Conclusions.- References.- V. Genetics of Phytopathogenic Fungi.- 1. Introduction.- 2. Molecular Diversity of Fungi.- 3. Genetic Analysis of Host-Pathogen Interaction.- 4. Perspectives.- References.- C. Taxonomy.- I. Flower Evolution.- II. Systematics and Evolution of the Algae: Endocytobiosis and Evolution of the Major Algal Lineages.- III. Lichenized and Lichenicolous Fungi 1993-1994.- D. Geobotany.- I. Seed, Pollen, and Clonal Dispersal and Their Role in Structuring Plant Populations.- E. Special Topics.- I. Phloem in Plant Tissue Cultures.- IL Floral Ecology.- Report on the Years 1992 (1991) to 1994 (1995).- References.