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Studies on Azotobacter chroococcum
Zentralblatt für Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Zweite Naturwissenschaftliche Abteilung: Mikrobiologie der Landwirtschaft, der Technologie und des Umweltschutzes, 1981Summary Fourteen strains of Azotobacter chroococcum were used for seed inoculation of wheat, maize and cotton to study their ability to establish in the root environment, under sterile sand culture conditions. Preferential growth on the root bits of these plants by various strains was observed.
Rajani Apte, S.T. Shende
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Reduction of Nitrates by Azotobacter indicum and Azotobacter chroococcum Cultures
Applied Biochemistry and Microbiology, 2002The capacity for denitrification was studied in Azotobacter bacteria, which are free-living nitrogen-fixing obligatory aerobes. Data on nitrate reduction to nitrites and nitric oxide by A. indicum under anaerobic conditions were obtained for the first time for genus Azotobacter.
Garina A. Bonartseva +4 more
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2019
Azotobacters have been used as biofertilizer since more than a century. Azotobacters fix nitrogen aerobically, elaborate plant hormones, solubilize phosphates and also suppress phytopathogens or reduce their deleterious effect. Application of wild type Azotobacters results in better yield of cereals like corn, wheat, oat, barley, rice, pearl millet and
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Azotobacters have been used as biofertilizer since more than a century. Azotobacters fix nitrogen aerobically, elaborate plant hormones, solubilize phosphates and also suppress phytopathogens or reduce their deleterious effect. Application of wild type Azotobacters results in better yield of cereals like corn, wheat, oat, barley, rice, pearl millet and
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THE POLYSACCHARIDE PRODUCED BY AZOTOBACTER INDICUM
Canadian Journal of Microbiology, 1957A procedure was developed for the isolation and purification of the polysaccharide produced by Azotobacter indicum which resulted in a product containing approximately 5% ash, 0.4–0.6% nitrogen, and 40% carbon. Qualitative tests showed the absence of galactose, pentoses, ketoses, and amino and methylated sugars, and the presence of glucose and a ...
S. G. Knight +2 more
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Symbiosis of Azotobacter with Insects
Nature, 1946IN 1912, I published (Ber. d. bot. Ges.) a preliminary note on the constant symbiosis of Aphides with Azotobacter. The entomologist, Prof. K. Aulc, of Brno, had previously (1910) found that the hitherto mysterious function of an organ in aphides and similar insects, called the pseudovitellus, was a seat of symbiotic organisms.
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Formation of protoplasts in Azotobacter vinelandii
Archives of Microbiology, 1974Protoplasts of Azotobacter vinelandii were formed by incubating whole cells in lysozyme and EDTA in Tris-HCl buffer (0.05 M, pH 8.0) supplemented with sucrose (15% w/v). This appeared to be related to the special chelating ability of EDTA and Tris-HCl since substitution of the former by nitrilotriacetic acid or by trisodium citrate and the latter by ...
Leodocia Pope, Kai Yip Cho, Orville Wyss
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Effect of Anionic Detergents on Azotobacter
Zentralblatt für Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Zweite Naturwissenschaftliche Abteilung: Allgemeine, Landwirtschaftliche und Technische Mikrobiologie, 1976Summary Tetrapropylene sodium alkyl benzene sulphonate (ABS) completely inhibited in vitro the growth of Azotobacter at a concentration of 100 ppm, but Det reduced growth only slightly. Azotobacter population was reduced only for three weeks with the addition of ABS or Det at a concentration of 100 ppm in soil.
M.M. Mishra, Neclam Dhawan
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Acid Production by Azotobacter vinelandii
Nature, 1963Azotobacter vinelandii has been characterized by its lack of acid production in culture1. In fact, most species of Azotobacter do not form acid, but appear to oxidize carbohydrates completely to carbon dioxide and water2. The notable exceptions to this are the acid-tolerant A. indicum (Beijerinckia indica)3 and A. macrocytogenes4 that are characterized
Donald B. Johnstone, Gary H. Cohen
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Azotobacter vinelandii Citrate Synthase
Biochemistry, 1995We have purified the citrate synthase from Azotobacter vinelandii and have determined that the size of the subunit is 48,000 Da and the structure of the holoenzyme is a hexamer. This contrasts with earlier estimates that indicate a 58,000 Da subunit and a tetrameric structure.
Magali Rault-Leonardon +4 more
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A BACTERIOPHAGE FOR AZOTOBACTER [PDF]
Journal of Bacteriology, 1955 Orville Wyss +2 more
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