Biological Nitrogen Fixation: Towards Poverty Alleviation through Sustainable Agriculture

Rhizosphere of Pisum sativum.- Inoculants for Sugar Cane: The Scientific Bases for the Adoption of the Technology for Biofuel Production.- Detection and Enumeration of Plant Growth-Promoting Bacteria.- Nodulated Tree Legumes and Their Symbiotic Bradyrhizobium in African and South-American Tropical Rainforests.- Innovative Microbial Approaches to the Management of Acacia senegal Trees to Improve and Sustain Gum-Arabic Production in Sub-Saharan Africa.- Acacia Species Used for Revegetation in South-Eastern Australia Require More than One Multi-Strain Rhizobial Inoculant.- Management of Symbionts in Calliandra (Calliandra calothyrsus Meisn., Leguminosae) Based Agroforestry Systems to Improve Growth, Productivity, Quality of Fodder, and Biological N2 Fixation.- Legume Trees in the Coffee Agroecosystem of Puerto Rico.- Nodulation Adapted to Habitat Submergence.- Mechanism of Quick and Reversible Inhibition of Soybean Nodule Growth and Nitrogen Fixation Activity by Nitrate and its Metabolites.- Inhibition of Symbiotic Nitrogen Fixation by Dark Chilling in Soybean.- Do Nodule Phosphatase and Phytase Link with the Phosphorus Use Efficiency for N2-Dependent Growth in Phaseolus vulgaris ?.- The Alternative Sigma Factor rpoH2 is Required for Salt Tolerance in Sinorhizobium sp. Strain BL3.- Root-Nodule Bacteria of Arid-Zone Legumes for Use in Rehabilitation in the Shark Bay World Heritage Area.- Effect of Vegetation Clearing on the Nitrogen Cycle and Water Resource Quality in South Africa.- Biorhizoremediation of Heavy Metals Toxicity Using Rhizobium-Legume Symbioses.- The Commercialisation of Small Holder Agriculture Through Biological Nitrogen Fixation (BNF) in Soybean.- Estimates of N2 Fixation in Cowpea Grown in Farmers' Fields in the Upper West Region of Ghana.- Integrating N2-Fixing Legumes, Soils, and Livelihoods in Southern Africa: A Consortium Approach.- Distribution of Promiscuous Soyabean Rhizobia in Some Zimbabwean Soils.- Ecophysiological Studies of Legumes in Botswana: Types of Bacterial Strains from Root Nodules of Cowpea (Vigna unguiculata L. Walp.) and an Assessment of the Symbiotic Status of Grain Legumes Using 15N Natural Abundance.- Symbiotic N Nutrition and Yield of Cowpea Genotypes under Different Plant Densities and Cropping Systems.- The Diversity of Root Nodule Bacteria Associated with Lebeckia Species in South Africa.- Rhizobial Diversity Associated with South African Legumes.- Diversity and Competitiveness of Rhizobia of the Legume Tree Acacia Nilotica in Senegal.- Effects of Rock Phosphate on Indigenous Rhizobia Associated with Sesbania sesban.- Effect of Added Fertilizers on N2 Fixation and Plant Performance of Shrubby Legumes.- Genetic Diversity of Acacia seyal Del. Rhizobial Populations Indigenous to Senegalese Soils in Relation to Salinity and pH of the Sampling Sites.- Potential Effects of Elevated UV-B Radiation on N2-Fixing Legumes in Agricultural Systems.- Arbuscular Mycorrhizal Colonization and Nodulation Improve Flooding Tolerance in Pterocarpus officinalis jacq. Seedlings.- Mycorrhizal Colonization Improves Growth and Nutrition of an Invasive Legume in a Mediterranean Ecosystem.- Nutritional and Photosynthetic Performance of Invasive and Indigenous Legumes in a Mediterranean Ecosystem.- Ecology and Phytochemical Analysis of the Medicinal Legume, Sutherlandia frutescens (L.)R. Br., at Two Locations.- Improving Chickpea Inoculation in the Northern Cropping Region of Australia.- Optimizing Chickpea Nodulation for Nitrogen Fixation and Yield in North-Western New South Wales, Australia.- Investigating Nitrogen Fixation in the Medicago-sinorhizobium Symbiosis.- Non-Symbiotic Nitrogen Fixation in Soil, Litter, and Phyllosphere in Dry Chaco Forest of Argentina.- Inoculation and Competitiveness of a Bradyrhizobium sp. Strain in Soils Containing Indigenous Rhizobia.- Diverse Role of Diazotrophs in the Rhizosphere.- Role of Nature's Fertility Partners with Crop Protectants for Sustainable Agriculture.- Characterization of Bradyrhizobia Isolated from Root Nodules of Cytisus triflorus in the Rif Occidental of Morocco.- Diversity of Rhizobia Isolated from Nodules of Peanut (Arachis hypogaea L.) in Morocco.- Diversity of Rhizobia that Nodulate Colutea arborescens Isolated from Different Soils of Morocco.- Diversity of Rhizobia that Nodulate two Mediterranean Legumes, Adenocarpus decorticans and Retama menosperma.- Response of Common Bean and Fababean to Effective Nodulation in Salt- and Drought-Stressed Areas Around the Nile Delta.- Nodule Organogenesis and Plant Genomics.- Nod-Factor Perception in Medicago truncatula.- Nodulation Control in Legumes.- Bacteroid Differentiation is Linked to Evolution of High Diversity of Secreted Peptides in the Host Plant.- Functional Genomics of Soybean Root-Hair Infection.- Regulation of Nodule Organogenesis by Auxin Transport and Flavonoids.- Legume Agp-Extensins in Rhizobium Infection.- Glycoside Hydrolases from Legumes and Rhizobia at the Symbiotic Interface.- Transcript Profiling of Nodule Senescence in Medicago truncatula Delineates Distinct Phases and Mechanisms.- Comparison of Leaf Growth of Hypernodulation Soybean Mutants, NOD1-3, NOD2-4 and NOD3-7, with their Parent CV. Williams.- Actinorhizal Nodules and Gene Expression.- Characterization of Glutathione S-Transferases from Legume Root Nodules.- Overexpression of Flavodoxin in Alfalfa Nodules Leads to Delayed Senescence and High Starch Accumulation.- Effects of the Overexpression of a Soybean Cytosolic Glutamine Synthetase Gene (GS15) Linked to Organ-Specific Promoters on Growth and Nitrogen Accumulation of Pea Plants.- Role of PEPc Isoforms in Phosphate-Deficient Nodules.- Over-Expression of the Class 1 Hemoglobin Gene Contributes to Symbiotic Nitrogen Fixation.- Structural and Comparative Genome Analysis of Lotus japonicus.- Novel Symbiotic Regulatory Genes Identified by Transcriptomics in Medicago truncatula.- Genome Synteny of Pea and Model Legumes: From Mutation through Genetic Mapping to the Genes.- The Medicago truncatula lin Mutant: Caught by Map-Based Cloning, Characterised by Transcriptomics.- Proteomic Analysis of Secreted Proteins of Glycine max and Medicago spp..- Proteomic and Transcriptomic Approaches to Study Global Genome Expression in Rhizobium etli and Sinorhizobium meliloti.- Control and Action of the Transcriptional Regulator TtsI of Rhizobium sp. NGR234.- Symbiotic Roles and Transcriptional Analysis of the Type III Secretion System in Mesorhizobium loti.- Toxin-Antitoxin Modules and Symbiosis.- Comparative Analysis of ArgC Protein Expression in Rhizobium Species.- Genistein-Dependent Regulatory Circuits in Bradyrhizobium japonicum.- Rhizobium leguminosarum Modification of Its Lipopoly-Saccharide During Symbiotic Bacteroid Development.- Altered Formations of Special Eubacterial Membrane Lipids Affect Bacterial Interactions with Eukaryotic Hosts.- Rhizobium leguminosarum bv viciae Strain LC-31: Analysis of Novel Bacteriocin and ACC Deaminase Gene(s).- Infection of Legumes by Beta-Rhizobia.- In Search of Beta-Rhizobia: Exploring the Symbionts of Mimosa in Brazil.- Effect of Phosphoglycerate Mutase Deficiency on the Free-Living and Symbiotic Life of Burkholderia phymatum.- Living Large: Elucidation of the Frankia EAN1pec Genome Sequence Shows Gene Expansion and Metabolic Versatility.- Phosphate-Dependent Gene Expression in Free-Living and Symbiotic Sinorhizobium meliloti.- Characterization of Bradyrhizobium elkanii Type III Secretion System.- Search for Nodulation Gene Inducer for Mesorhizobium loti Secreted from Roots of Lotus corniculatus.- Identification of BetX, a Periplasmic Protein Involved in Binding and Uptake of Proline Betaine and Glycine Betaine in Sinorhizobium meliloti.- H2O2 is Required for Optimal Infection-Thread Formation During Sinorhizobium meliloti Symbiosis.- Molecular Approaches for the Characterization of Bradyrhizobium Strains.- Genotypic and Phenotypic Variations Among Rhizobia Nodulating Red Clover in Soils of Northern Scandinavia.- NH4+ Nutrition Affects the Photosynthetic and Respiratory C Sinks in the Dual Symbiosis of a Mycorrhizal Legume.- The Effect of P Nutrition on AM Colonization, Nodule Development and the N and C Metabolism of Phaseous vulgaris.- Effects of Al3+ Toxicity on Photosynthetic and Respiratory Responses of Phaseolus vulgaris under P Deficiency.- Assimilate Allocation Between the Organic Acid and Amino Acid Pools in Lupinus angustifolius under P Stress.- African Species Belonging to the Tribe Psoraleeae Produce Ureides, a Symbiotic Trait Characteristic of the Phaseoleae.- New Look at Old Root-Nodule Bacteria: Molecular Techniques Uncover Novel Isolates.- Characterization of a Novel Non-Rhizobial Symbiont from Cicer arietinum.- Burkholderia tuberum Effectively Nodulates Cyclopia spp., but Not Aspalathus spp..- Endosymbiosis Formation Between a Nitrogen-Fixing Mix of Bacteria (Xanthomonas sp. + Arthrobacter sp.) and Wheat Root Cells.- Microbiology of Nitrogen Fixation.- Integrating Sinorhizobium meliloti Genomics: An Expression Library of the Genome.- Full Genome Sequence of Azotobacter vinelandii: Preliminary Analysis.- Transcriptional Profile of Bradyrhizobium elkanii Semia 587 in Symbiosis with Soybean (Glycine max L. Merrill) Analyzed by DNA Microarray.- Chronos, Chairos and Co-Evolution in Rhizobium-Legume Symbioses.- Genomics and Evolution of Bacteria: Nodulation, Nitrogen Fixation and the Rest of the Accessory Genome.- Evolution of Functional Diversity in Nitrogenase Homologs.- Diversity of Nitrogen Fixing Bacterial Community Assessed by Molecular and Microbiological Techniques.- Quorum Sensing in Root-Associated and Endopytic Diazotrophs.- Characterization of CHSA, a New Gene Controlling the Chemotactic Response in Azospirillum brasilense SP7.- Exopolysaccharide Production and Cell Aggregation in Azospirillum brasilense.- Gluconacetobacter diazotrophicus Pal5 Strain: Selection and Characterization of Mutants Deficient in Nitrogen-Fixation Ability.- The Role of Nif Proteins in Nitrogenase Maturation.- NifB-Dependent "in vitro" Synthesis of the Iron-Molybdenum Cofactor of Nitrogenase.- Azotobacter vinelandii Nitrogenase MoFe Protein: Pre-Steady State Spectroscopic Studies of the Metal Cofactors.- The Role of Iron Protein-Nucleotide Interaction and Conformational Change in Nitrogenase Catalysis.- The Mechanistic Basis of nif Gene Activation.- Architecture of ?54-Dependent Promoters: Interplay Between CRP-cAMP and PII-NTR Systems Forms a Novel Regulatory Network Between Carbon Metabolism and Nitrogen Assimilation in Escherichia coli.- Signals in the Regulation of Nitrogen Fixation and Ammonium Assimilation in the Photosynthetic Bacterium Rhodospirillum rubrum.- Defining the Roles PII and AmtB Proteins in the NH4+-Induced Post-Translational Control of Nitrogenase Activity.- Metabolic Regulation of Nitrogen Fixation in Rhodospirillum rubrum and Evidence for an Energy-Dependent Ammonium Transport System.- Membrane Sequestration of PII Proteins and Nitrogenase Regulation in Rhodobacter capsulatus.- Molybdenum Regulation of Nitrogen Fixation and Mo-Metabolism in Rhodobacter capsulatus.- Hydrogen Production by Cyanobacteria as a Potential Tool in Energy-Conversion Programmes.- Regulatory Interactions Involved in Nitrogen Signalling in Cyanobacteria: Partner Swapping and Role of PipX-PII Complexes in Synechococcus sp. PCC 7942.- Intercellular Transfer of Nitrogen in Heterocyst-Forming Cyanobacteria.- Genomics and Systems Biology Analysis of Cyanothece sp. ATCC 51142, a Unicellular, Diazotrophic Cyanobacterium with Robust Metabolic Rhythms.- Sinorhizobium Arboris Genes Are Differentially Expressed under Salt Stress.- Thiol-Redox Potential in Melanin Production and Nitrogen Fixation by Sinorhizobium meliloti.- Use of Chimeric Proteins to Investigate the Role of the GAF Domain of Herbaspirillum seropedicae NifA in the Response to Fixed Nitrogen.- Molecular Characterization of Symbiotic Bacteria Associated with the Pasture Legume Ornithopus sp. Native to Portugal.- Siderophore Genes in Gram Positive and Gram Negative Nitrogen-Fixing Bacteria.- Genomics and Genetic Transformation in the Unicellular Diazotrophic Cyanobacterium Cyanothece sp. ATCC 51142.- Sipa, a Novel Regulator of the Photosynthesis-Related Sensor Histidine Kinase NblS.