Highlights of Nitrogen Fixation Research

Front Matter....Pages i-xiv
Nitrogen Fixation and the Biosphere....Pages 1-8
Genetic and Metabolic Engineering of Rhizobium Etli to Modify (Enhance) Nitrogen Fixation in the Symbiosis with Phaseolus Vulgaris ....Pages 9-11
Modulation of Key Symbiotic Metabolic Pathways Through Reverse Genetics of Transgenic Legumes....Pages 13-15
Constitutive and Nodule-Specific Overexpression of Cytosolic Glutamine Synthetase ( GS 1 ) Genes in Alfalfa....Pages 17-21
Cloning and Developmental Expression of a Nodule-Enhanced Sucrose Synthase cDNA from Alfalfa....Pages 23-31
Alanine and Ammonia Release by N 2 -Fixing Bradyrhizobium Japonicum Bacteroids....Pages 33-35
Is Bacteroid α-Ketoglutarate Dehydrogenase Needed for Nitrogen Fixation?....Pages 37-40
Hopanoid Lipid Content of Bradyrhizobium Bacteria is Dependent on Culture Conditions....Pages 41-44
Phosphate Metabolism in Rhizobium ....Pages 45-47
Recent Advances in the Physiology of Drought Stress Effects on Symbiotic N 2 Fixation in Soybean....Pages 49-55
 Rhizobium Meliloti Lon Protease Plays an Essential Role in the Alfalfa Symbiosis....Pages 57-60
Flavonoid Enhancement of Sorghum Root Development....Pages 61-63
Analysis of Factors Affecting Competition for Nodulation of Legumes by Rhizobium Leguminosarum ....Pages 65-68
Characterization of Rhizobia Associated with Dalea Spp. in Natural Prairies and Revegetation Areas in Minnesota....Pages 69-75
Distribution and Characteristics of Bradyrhizobium Spp. Nodulating African Soybeans....Pages 77-84
What Does Strain Persistence Really Mean?....Pages 85-90
Isolation and Characterization of a DNA Fragment Containing Genes for Mimosine Degradation from Rhizobium Sp. Strain TAL1145....Pages 91-95
 Sinorhizobium Meliloti Products Increase Carbon Metabolism in Alfalfa....Pages 97-100
Ecology and Plant Growth-Promoting Activities of the Natural Association between Rhizobium Leguminosarum Bv. Trifolii and Rice Roots....Pages 101-104
Bacteriocins of Rhizobium Leguminosarum....Pages 105-108
Suppression of Plant Defence in the Medicago Sativa (Alfalfa)- Sinorhizobium meliloti Symbiosis....Pages 109-113
Unique Aspects of Nod Gene Expression in Bradyrhizobium Japonicum ....Pages 115-120
Control of Root Nodule Initiation in Medicago ....Pages 121-124
Differential Expression of Symbiosis-Related Genes in Yellow Lupine....Pages 125-129
An Isoflavone from Soybean Roots Induces Sinorhizobium Fredii Strain USDA257 to Produce Pilus-Like Surface Appendages....Pages 131-134
 Rhizobium Etli (RE) Lipopolysaccharide (LPS) Structure....Pages 135-140
Two Different Signal Peptidases and Their Possible Roles in the Biphasic Life Cycle of Bradyrhizobium Japonicum ....Pages 141-144
Xylem Colonization of Sesbania Rostrata by Azorhizobium Caulinodans ORS571....Pages 145-147
Extracellular Calcium Flux in Root Hairs Responding to Nodulation Factors....Pages 149-152
Use of T Dna Tagging to Identify Plant Genes Involved in Symbiotic Nitrogen Fixation....Pages 153-156
Physical and Gentic Organisation of pNGR234 a ....Pages 157-161
The Symbiotic Plasmid of Rhizobium Etli ....Pages 163-165
The Dynamic Genome of Rhizobium ....Pages 167-171
Functional Genomics of Legumes....Pages 173-176
Cloning Defined Regions of the pExo Megaplasmid of Rhizobium (Sinorhizobium) Meliloti ....Pages 177-179
Cloning and Identification of Mobilizable DNA Regions in Rhizobium Meliloti ....Pages 181-183
Heterocyst Differentiation and Nitrogen Fixation in the Cyanobacterium Anabaena ....Pages 185-188
Integration of Regulatory Networks for Different Physiological Functions in Bradyrhizobium Japonicum ....Pages 189-193
Mode of Action of the FixT Repressor Protein of Sinorhizobium Meliloti ....Pages 195-199
The P II Protein of Herbaspirillum Seropedicae ....Pages 201-205
P II and GlnK Control Ammonia Assimilation and Nitrogen Fixation in Azorhizobium Caulinodans ....Pages 207-209
Symbiotic Terminal Oxidase CBB3 Production is Negatively Modulated by a Purine Related Metabolite in Sinorhizobium Meliloti ....Pages 211-214
Analysis of Nitrogen Fixation and Regulatory Genes in the Sugarcane Endophyte Acetobacter Diazotrophicus ....Pages 215-218
Agricultural and Environmental Applications of Nitrogen Fixing Organisms....Pages 219-223
Antibiosis as a Means to Enhance Nodulation Competitiveness by Rhizobium Inoculum Strains under Agricultural Conditions....Pages 225-229
Bioassays for Soil Contamination Using the Legume Root Nodule Symbiosis....Pages 231-235
Novel Polysaccharide Produced by Bradyrhizobium Japonicum Enhances Competitiveness at High pH and Ca....Pages 237-238
Effects of Drought Stress on Growth and Nitrogen Assimilation by Common Beans....Pages 239-242
Influence of Soil Chemical Characteristics on Medic Rhizobia in the Alkaline Soils of South Eastern Australia....Pages 243-249
Characterization of New Efficient and Competitive Strains for the Bean (Phaseolus Vulgaris L.) Crop in Brazil....Pages 251-254
Field Inoculation of Common Bean (Phaseolus Vulgaris L.) with High Efficiency Rhizobium Strains....Pages 255-257
Does Inoculant Formulation Affect the Population Dynamics of Rhizobium in the Rhizosphere of Pea?....Pages 259-262
rRNA Based Phylogeny and Identification....Pages 263-266
Some Issues of Relevance in the Taxonomy of Rhizobia....Pages 267-269
Polyphasic Taxonomy of Nitrogen-Fixing Acetic Bacteria Isolated from the Rhizosphere of Coffee Plants....Pages 271-274
Characterization of Bradyrhizobium SPP. Strains by Rflp analysis of Amplified 16s rDNA and rDNA Intergenic Spacer Regions....Pages 275-279
Genotypic Characterization of Bradyrhizobia from Small Legumes by rDNA Pcr-Rflp and Aflp Fingerprint Analyses....Pages 281-289
Genetic Diversity of Rhizobial Populations Nodulating Phaseolus Vulgaris in Acid Soils From Brazil....Pages 291-294
Molecular Symbiotic Characterization of Rhizobia....Pages 295-299
Back Matter....Pages 301-305