Biological Nitrogen Fixation

Front Cover
Springer Science & Business Media, Apr 30, 1992 - Science - 943 pages
Nitrogen fixation is a key component of the nitrogen cycle, one of the most fundamental cycles in the biosphere. Conversion of atmospheric nitrogen into organic nitrogen compounds can be carried out only by certain bacteria and blue-green algae (cyanobacteria). Some nitrogen fixing bacteria live symbiotically with leguminous plants such as peas, beans, clover, and certain tropical trees in nodules on the plants' roots, while others live independently in the soil and aquatic habitats. By the activity of these microorganisms, the soil is enriched with the nitrogen required for plant growth and function. Thus the topic is of considerable practical as well as fundamental importance. In Biological Nitrogen Fixation, the leading researchers in nitrogen fixation from all over the world contribute up-to-the-minute general reviews on all aspects of the subject, from the molecular biology and genetics to the biochemistry, physiology, and ecology of nitrogen fixation. This compendium of current research is an indispensable reference for all involved in nitrogen fixation research, and of use to all who deal indirectly with the subject. It will also serve as a thoroughly up-to-date textbook for graduate students in microbiology, plant science, biochemistry, molecular biology, plant pathology, agronomy, and genetics.
 

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Contents

Highlights in Biological Nitrogen Fixation during the Last 50 Years
1
Phylogenetic Classification of NitrogenFixing Organisms
43
Physiology of Nitrogen Fixation in FreeLiving Heterotrophs
87
Nitrogen Fixation by Photosynthetic Bacteria
135
Nitrogen Fixation in Cyanobacteria
166
Nitrogen Fixation by Methanogenic Bacteria
191
Associative NitrogenFixing Bacteria
212
Actinorhizal Symbioses
259
The Rhizobium Symbiosis of the Nonlegume Parasponia
497
Genetic Analysis of Rhizobium Nodulation
560
Nodulins in Root Nodule Development
598
Plant Genetics of Symbiotic Nitrogen Fixation
625
Molecular Genetics of Bradyrhizobium Symbioses
648
The Enzymology of MolybdenumDependent Nitrogen Fixation
685
Alternative Nitrogen Fixation Systems
736
Biochemical Genetics of Nitrogenase
763

Ecology of Bradyrhizobium and Rhizobium
293
The Rhizobium Infection Process
349
Physiology of NitrogenFixing Legume Nodules Compartments and Functions
399
Hydrogen Cycling in Symbiotic Bacteria
432
Evolution of NitrogenFixing Symbioses
461
Regulation of Nitrogen Fixation Genes in FreeLiving and Symbiotic Bacteria
835
Isolated IronMolybdenum Cofactor of Nitrogenase
877
Index
931
Copyright

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Page 870 - Kustu, S., 1985, Products of nitrogen regulatory genes ntrA and ntrC of enteric bacteria activate glnA transcription in vitro: evidence that the ntrA product is a sigma factor, Proc.

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