Genetics and Regulation of Nitrogen Fixation in Free-Living Bacteria

Series Preface. Preface. List of Contributors. Dedication. 1: Historical Perspective – Development of nif Genetics and Regulation in Klebsiella pneumoniae; R. Dixon
1. Introduction
2. The Early Years
3. Defining the K. pneumoniae nif Genes
4. The Recombinant DNA Era
5. nif Gene Regulation
6. Coda
References 2: Genetics of Nitrogen Fixation and Related Aspects of Metabolism in Species of Azotobacter: History and Current Status; C. Kennedy and P. Bishop
1. Research on the Genus Azotobacter (1901-2003)
2. Application of the Tools of Genetics and Molecular Biology in Species of Azotobacter
3. The nif Genes encoding the Enzymes for Structure, Function, and Biosynthesis of Mo-containing Nitrogenase
4. Regulation of Expression of nif and Associated Genes by Ammonium and O2
5. Ancillary Properties of Azotobacter Species that Aid the Efficiency of Nitrogen Fixation
6. Discovery of Molybdenum-independent Nitrogenase Systems in A. vinelandii
7. Molybdenum-independent Nitrogenase systems in other Azotobacter Species
Acknowledgements
References 3: Nitrogen Fixation in the Clostridia; J.-S. Chen
1. Introduction
2. The Nitrogen-fixing Clostridia
3. Distinctive Features of the nif Genes of the Clostridia
4. Genes of Ammonia Assimilation
5. Regulation of Nitrogen Fixation and Ammonia Assimilation
6. Concluding Remarks
References 4: Regulation of Nitrogen Fixation in Methanogenic Archaea; J.A. Leigh
1. Introduction
2. History and Background
3. Transcriptional Regulation
4. Regulation of Nitrogenase Activity
5. Summary
References 5: Nitrogen Fixation in Heterocyst-Forming Cyanobacteria; T. Thiel
1.Introduction
2. Structure of Heterocysts
3. Nitrogenase Genes
4. Heterocyst Metabolism
5. Genes Important for Heterocyst Formation
6. heterocyst Pattern Formation
7. Regulation
Acknowledgements
References 6: N2 Fixation by Non-Heterocystous Cyanobacteria; J.R. Gallon
1. Introduction
2. Non-heterocystous Cyanobacteria
3. Patterns of N2 Fixation
Acknowledgements
References 7: Nitrogen Fixation in the Photosynthetic Purple Bacterium Rhodobacter capsulatus; B. Masepohl, T. Drepper and W. Klipp
1. Introduction
2. Organization of Nitrogen-fixing Genes
3. The Nitrogen-fixation Regulon of R. capsulatus
4. Ammonium Control of Synthesis and Activity of both Nitrogenases
5. Environmental Factors Controlling Nitrogen Fixation
6. Linkage of Nitrogen Fixation, Photosynthesis, and Carbon Dioxide Assimilation
7. Nitrogen Fixation in other Photosynthetic Purple Bacteria
References 8: Post-translational Regulation of Nitorgenase in Photosynthetic Bacteria; S. Nordlund and P.W. Ludden
1. Introduction
2. Discovery of Nitrogen Fixation by Photosynthetic Bacteria
3. In vitro Studies of Nitrogenase in Photosynthetic Bacteria
4. The Protein Era
5. Evidence for the Drat/Drag System in other Organisms
6. Other ADP-Ribosylations
7. Genetics of the Drag/Drat System
8. Signal Transduction to Drat and Drat
9. Conclustions
Acknowledgement
References 9: Regulation of Nitrogen Fixation in Free-Living Diazotrophs; M.J. Merrick
1. Introduction
2. General Nitrogen Control Systems
3. nif-specific Nitrogen Control
4. Nitrogen Control of Nitrogenase Activity
5. Conclusions
References 10: Molybdenum Uptake and Homeostatis; R.N. Pau
1. Molybdenum Outside Cells
2.