I. THE BIOLOGY OF THE NITROGEN CYCLE
1. FOREWORD, The editors, Hermann Bothe, Stuart J. Ferguson and William E. Newton
II. DENITRIFICATION
2. INTRODUCTION TO THE BIOCHEMISTRY AND MOLECULAR BIOLOGY OF DENITRIFICATION, Rob JM van Spanning, David J. Richardson and Stuart J. Ferguson
3. THE PROKARYOTIC NITRATE REDUCTASES, David J. Richardson, Rob van Spanning and Stuart J. Ferguson
4. NITRITE REDUCTASES IN DENITRIFICATION, Serena Rinaldo and Francesca Cutruzzolà
5. NITRIC OXIDE REDUCTASE: STRUCTURAL VARIATIONS AND CATALYTIC MECHANISM, Simon de Vries, Suharti and Laurice A.M. Pouvreau
6. NITROUS OXIDE REDUCTASES, Walter G. Zumft and Heinz Körner
7. DENITRIFICATION IN RHIZOBIA-LEGUME SYMBIOSIS, María J. Delgado, Sergio Casella and Eulogio J. Bedmar
8. THE DISSIMILATORY REDUCTION OF NITRATE TO AMMONIA BY ANAEROBIC BACTERIA, S. B. Mohan and Jeff A. Cole
III. BIOLOGICAL NITROGEN FIXATION
9. PHYSIOLOGY, BIOCHEMISTRY AND MOLECULAR BIOLOGY OF NITROGEN FIXATION, William E. Newton
10. REGULATORY CASCADES TO EXPRESS NITROGENASES, Bernd Masepohl and Karl Forchhammer
11. THE RHIZOBIUM-LEGUME NITROGEN-FIXING SYMBIOSIS, Gary Stacey
12. PLANT SYMBIOSES WITH FRANKIA AND CYANOBACTERIA, Katharina Pawlowski and Birgitta Bergman
13. ASSOCIATIVE NITROGEN FIXATION, Anne Van Dommelen and Jos Vanderleyden
14. MEASURING N2 FIXATION IN THE FIELD, Jonathan P. Zehr and Joseph P. Montoya
IV. OTHER REACTIONS OF THE NITROGEN CYCLE
15. BIOCHEMISTRY AND MOLECULAR BIOLOGY OF NITRIFICATION, Stuart J. Ferguson, David J. Richardson and Rob J.M. van Spanning
16. THE ECOLOGY OF NITRIFYING BACTERIA, Jim I. Prosser
17. ANAMMOX, Huub J.M. Op den Camp, Mike S.M. Jetten and Marc Strous
18. NITRATE ASSIMILATION IN BACTERIA, Conrado Moreno-Vivián and Enrique Flores
19. NITRATE ASSIMILATION IN PLANTS, Rudolf Tischner and Werner Kaiser
20. CHARACTERIZATION OF PROTEOLYTIC MICROBES AND THEIR ACTIVITIES IN SOILS, M. Mrkonjic Fuka, Monika Engel, Jean-Charles Munch and Michael Schloter
V. APPLICATIONS OF REACTIONS OF THE NITROGEN CYCLE, WITH EMPHASIS ON DENITRIFICATION
21. MOLECULAR TOOLS TO ASSESS THE DIVERSITY AND DENSITY OF DENITRIFYING BACTERIA IN THEIR HABITATS, Sara Hallin, Gesche Braker and Laurent Philippot
22. DENITRIFICATION AND AGRICULTURE, Jean Charles Munch and Gerard L. Velthof
23. DENITRIFICATION AND N-CYCLING IN FOREST ECOSYSTEMS
Per Ambus and Sophie Zechmeister-Boltenstern
24. DENITRIFICATION IN WETLANDS
Oswald Van Cleemput, Pascal Boeckx, Per-Eric Lindgren and Karin Tonderski
25. ORGANISMS OF THE NITROGEN CYCLE UNDER EXTREME CONDITIONS: LOW TEMPERATURE, SALINITY, pH AND WATER STRESS, Blaž Stres, Maria José Bonete, Rosa Maria Martínez-Espinosa, Ivan Mahne and Hermann Bothe
26. N2O EMISSION AND GLOBAL CHANGES, MODELLING APPROACHES, Lars Bakken and Peter Dörsch
27. INTERACTIONS AMONG ORGANISMS THAT RESULT IN ENHANCED ACTIVITIES OF N-CYCLE REACTIONS, Hermann Bothe and Harold Drake