Azospirillum III

Construction of a Gene Bank of Azospirillum brasilense.- The nifHDK Operon of Azospirillum brasilense Sp7.- Problems and Prospects of Site-Directed Transposon Mutagenesis in Azospirillum.- Cosmid Cloning of Nitrogenase Structural Genes of Azospirillum lipoferum.- Construction of a Genomic Library of Azospirillum brasilense Sp7 and Cloning of the Glutamine Synthetase Gene.- Cloning of the Gene for the Restriction Enzyme AbrI from Azospirillum brasilense ATCC 29711.- Stability of Broad Host Range Plasmids in Azospirillum Cloning of a 5.9 kBp Plasmid from A. brasilense R07.- Transfer and Random Integration of Tn5 in Azospirillum.- Mutation in Azospirillum brasilense.- Production of Indol-3-Acetic Acid by Azospirillum brasilense.- Auxin Production by Azospirillum brasilense Under Different Cultural Conditions.- Comparison of Nitrogenase Regulation in A. brasilense, A. lipoferum and A. amazonense.- Some Physiological and Biochemical Properties of Denitrification by Azospirillum brasilense.- An "in vitro" Assay for Evaluating the Azospirillum Wheat Association.- Secretion and Cleavage of Sucrose by Wheat: A System of Chemotactic Attraction and Nitrogenase Induction in Azospirillum lipoferum.- Field Inoculation of Rice Using in vitro Selected Bacterial and Plant Genotypes.- Evaluation of Nitrogen Fixation in Sorghum Cultivars Inoculated with Different Strains of Azospirillum spp..- Possible Contribution of Azospirillum spp. to the Nutritional Status of Wheat Plants Grown in Sandy Soils of Gassim-Saudi Arabia.- Root Colonization and Plant Growth of Grasses and Cereals in Unsterile Soil and Nitrogenase (C2H2) Activity of Sterile Cereal Seedlings after Inoculation with Azospirillum spp..- Response of Plant Roots to Inoculation with Azospirillum brasilense and to Applicationof Indole Acetic Acid.- Electron Microscopy of Young Wheat Roots Inoculated with Azospirillum.- Cysts of Azospirilla under Various Cultural Conditions.- Pleomorphism in Azospirillum.- Erratum (Balandreau