Biological Fixation of Nitrogen for Ecology and Sustainable Agriculture

1. Structural Chemistry and Biochemistry of Nitrogenase.- Nitrogenase: Two Decades of Biochemical Genetics.- Molybdenum-Nitrogenase: Structure and Function.- 2. Signal Perception, Transduction and Cell Cycle Genes in Nodulation.- Rhizobium Nodulation Factors in Perspective.- The Host-Specific Role of Chemical Modifications at the Reducing Terminus of Lipo-Chitin Oligosaccharides.- The Complex Interaction Between Bradyrhizobiumjaponicum and its Symbiotic Host Plants.- Studies on MsENOD40 gene Expression in Alfalfa (Medicago sativa L.) and White Sweetclover (Melilotus alba Desr.).- Nod-Factor Attachment, Calcium-Fluxes, and Lipid-Transfer Proteins in Symbiotic Signal Transduction.- Degradation of Modulation Signals from Rhizobium meliloti by its Host Plants.- Induction of Root Cortical Cell Divisions by Heterologous Nodulation Factors.- ENOD40 Expression Precedes Cell Division and Affects Phytohormone Perception at the Onset of Nodulation.- ENOD40 Expression and Phytohormonal Imbalances in Nodule Organogenesis.- N-Acyl Galactosamine Inhibition of Lipo-Chitooligosaccharide Action.- Cell Cycle Reregulation During Nodule Development.- 3. Plant Genes Involved in Nodulation.- The Saga of the Nodulin Genes.- Identification of New Medicago truncatula Nodulin Genes: Comparison of two Molecular Approaches.- Plant Gene Expression During Stem Nodule Development on Sesbania rostrata.- Identification of Trans-Acting Factors Regulating Nodulin Gene Expression.- Analysis of Genes Expressed in Root Nodules of Broad Bean (Vicia faba L.).- Regulation of Bradyrhizobium japonicum hemB, a Heme Biosynthesis Gene.- 4. Bacterium - Plant Surface Interaction.- Rhizobial Capsular and Lipopolysaccharides: Evidence for Their Importance in Rhizobium-Legume Symbiosis.- Changes in Rhizobium Lipopolysaccharide Structure Induced by Host Compounds.- Symbiotic Suppression of the Medicago sativa Plant Defence System by Rhizobium meliloti Oligosaccharides.- Biochemical and Molecular Analyses of Rhizobial Responses to Legume Flavonoids.- Flavonoid-Inducible Regions in the Symbiotic Plasmid of Rhizobium etli.- Azospirillum Genes Involved in Chemotaxis and Adhesion to Plant Roots.- 5. Molecular Microbial Ecology.- Molecular Microbial Ecology.- Plant Regulation of Root Colonization by Rhizobium meliloti.- Host-Controlled Restriction of Nodulation by Bradyrhizobium japonicum strain USDA 110 and Characterization of a Gene Regulating Nodulation.- Enhancing the Potential of Microbial Inoculants Through Molecular Microbial Ecology.- 6. Nitrogen Fixing Systems.- Nitrogen Fixation in Rhodospirillum rubrum: Regulation of Activity and Generation of Reductant.- Molecular Studies of the Electron Transport Pathway to Nitrogenase in Rhodobacter capsulatus.- Regulation of Alternative Nitrogenase Systems by Environmental Factors in the Cyanobacterium Anabaena variabilis.- Heterocyst Differentiation and Nitrogen Fixation in Cyanobacteria.- Trichodesmium Has Cells Specialized for Nitrogen Fixation but Lacks Heterocysts.- 7. Nitrogen Fixation in Sustainable Agriculture.- Biological Nitrogen Fixation for Sustainable Agriculture.- Enhanced Agricultural Sustainability Through Biological Nitrogen Fixation.- Towards the Application of Nitrogen Fixation Research to Forestry and Agriculture.- Genetic Potential of Plants for Improving the Beneficial Microbe Interactions.- DNA-Probing as a Tool to Monitor the Distribution of N2-Fixing, Denitrifying and Nitrifying Bacteria in Soils.- 8. Carbon-Nitrogen Metabolism in Symbiotic Systems.- Carbon-Nitrogen Metabolism in Symbiotic Systems: Integration and Overall Regulation.- Assimilation of Reduced Nitrogen in Tropical Legume Nodules: Regulation of de novo Purine Biosynthesis and Peroxisome Proliferation.- Contrasting C Supply, N Assimilation and N Transport Across a Range of Symbiotic Plants.- Robinia pseudoacacia, a Model Tree Legume.- Unsolved Mysteries in Carbon Metabolism in Legume Nodules.- Phosphorous Deficiency Increases the Respiratory Cost...