azotobacter

Summary

Summary: A genus of gram-negative, aerobic bacteria found in soil and water. Its organisms occur singly, in pairs or irregular clumps, and sometimes in chains of varying lengths.

Top Publications

  1. Parshad J, Suneja S, Kukreja K, Lakshminarayana K. Poly-3-hydroxybutyrate production by Azotobacter chroococcum. Folia Microbiol (Praha). 2001;46:315-20 pubmed
    Thirty-seven soil isolates and mutants of Azotobacter chroococcum tested for poly-3-hydroxybutyrate (PHB) production using Sudan black B staining method were found to be positive...
  2. Pettinari M, Vazquez G, Silberschmidt D, Rehm B, Steinbuchel A, Mendez B. Poly(3-hydroxybutyrate) synthesis genes in Azotobacter sp. strain FA8. Appl Environ Microbiol. 2001;67:5331-4 pubmed
    Genes responsible for the synthesis of poly(3-hydroxybutyrate) (PHB) in Azotobacter sp. FA8 were cloned and analyzed...
  3. Oelze J. Respiratory protection of nitrogenase in Azotobacter species: is a widely held hypothesis unequivocally supported by experimental evidence?. FEMS Microbiol Rev. 2000;24:321-33 pubmed
    The hypothesis of respiratory protection, originally formulated on the basis of results obtained with Azotobacter species, postulates that consumption of O(2) at the surface of diazotrophic prokaryotes protects nitrogenase from ..
  4. Aleem A, Isar J, Malik A. Impact of long-term application of industrial wastewater on the emergence of resistance traits in Azotobacter chroococcum isolated from rhizospheric soil. Bioresour Technol. 2003;86:7-13 pubmed
    A total of 57 (36 and 21) Azotobacter chroococcum were isolated from wheat (Triticum aestivum) rhizospheric soil irrigated with industrial wastewater (about a decade) and ground water (uncontaminated) and characterized on the basis of ..
  5. Farajzadeh D, Yakhchali B, Aliasgharzad N, Sokhandan Bashir N, Farajzadeh M. Plant growth promoting characterization of indigenous Azotobacteria isolated from soils in Iran. Curr Microbiol. 2012;64:397-403 pubmed publisher
    It has been well known that the bacteria of the genus Azotobacter, in addition to the beneficial N(2)-fixing activity, are able to improve plant growth by a number of direct and indirect mechanisms...
  6. Kelly M, Poole R, Yates M, Kennedy C. Cloning and mutagenesis of genes encoding the cytochrome bd terminal oxidase complex in Azotobacter vinelandii: mutants deficient in the cytochrome d complex are unable to fix nitrogen in air. J Bacteriol. 1990;172:6010-9 pubmed
    The genome of Azotobacter vinelandii contains DNA sequences homologous to the structural genes for the Escherichia coli cytochrome bd terminal oxidase complex...
  7. Patil S, Salunkhe R, Patil C, Patil D, Salunke B. Bioflocculant exopolysaccharide production by Azotobacter indicus using flower extract of Madhuca latifolia L. Appl Biochem Biotechnol. 2010;162:1095-108 pubmed publisher
    Efficacy of Azotobacter indicus ATCC 9540 strain for production exopolysaccharide (EPS) bioflocculant was investigated...
  8. Herter S, Schmidt M, Thompson M, Mikolasch A, Schauer F. A new phenol oxidase produced during melanogenesis and encystment stage in the nitrogen-fixing soil bacterium Azotobacter chroococcum. Appl Microbiol Biotechnol. 2011;90:1037-49 pubmed publisher
    ..and hence the aim of this work was to identify and characterize a novel laccase from the isolated strain Azotobacter chroococcum SBUG 1484 in an attempt to provide further understanding of the roles such enzymes play in ..
  9. Pozo C, Martínez Toledo M, Rodelas B, Gonzalez Lopez J. Effects of culture conditions on the production of polyhydroxyalkanoates by Azotobacter chroococcum H23 in media containing a high concentration of alpechín (wastewater from olive oil mills) as primary carbon source. J Biotechnol. 2002;97:125-31 pubmed
    ..beta-hydroxybutyrate (PHB) and copolymers containing beta-hydroxyvalerate (P[HB-co-HV]) are produced by Azotobacter chroococcum strain H23 when growing in culture media amended with alpechín (wastewater from olive oil mills) ..

More Information

Publications96

  1. Bonartseva G, Myshkina V, Nikolaeva D, Kevbrina M, Kallistova A, Gerasin V, et al. Aerobic and anaerobic microbial degradation of poly-beta-hydroxybutyrate produced by Azotobacter chroococcum. Appl Biochem Biotechnol. 2003;109:285-301 pubmed
    Food industry wastewater served as a carbon source for the synthesis of poly-beta-hydroxybutyrate (PHB) by Azotobacter chroococcum. The content of polymer in bacterial cells grown on the raw materials reached 75%...
  2. Bonartsev A, Yakovlev S, Zharkova I, Boskhomdzhiev A, Bagrov D, Myshkina V, et al. Cell attachment on poly(3-hydroxybutyrate)-poly(ethylene glycol) copolymer produced by Azotobacter chroococcum 7B. BMC Biochem. 2013;14:12 pubmed publisher
    ..We used strain Azotobacter chroococcum 7B, an effective producer of PHAs, for biosynthesis of not only poly(3-hydroxybutyrate) (PHB) and ..
  3. Senior P, Dawes E. The regulation of poly-beta-hydroxybutyrate metabolism in Azotobacter beijerinckii. Biochem J. 1973;134:225-38 pubmed
    ..have been partially purified from crude extracts of glucose-grown nitrogen-fixing batch cultures of Azotobacter beijerinckii...
  4. Thavasi R, Subramanyam Nambaru V, Jayalakshmi S, Balasubramanian T, Banat I. Biosurfactant production by Azotobacter chroococcum isolated from the marine environment. Mar Biotechnol (NY). 2009;11:551-6 pubmed publisher
    Preliminary characterization of a biosurfactant-producing Azotobacter chroococcum isolated from marine environment showed maximum biomass and biosurfactant production at 120 and 132 h, respectively, at pH 8...
  5. Chisnell J, Premakumar R, Bishop P. Purification of a second alternative nitrogenase from a nifHDK deletion strain of Azotobacter vinelandii. J Bacteriol. 1988;170:27-33 pubmed
    A second alternative nitrogenase complex (nitrogenase 3) was purified from a nifHDK deletion strain of Azotobacter vinelandii. The active complex is made up of two components, dinitrogenase 3 and dinitrogenase reductase 3...
  6. Schierbeek A, Swarte M, Dijkstra B, Vriend G, Read R, Hol W, et al. X-ray structure of lipoamide dehydrogenase from Azotobacter vinelandii determined by a combination of molecular and isomorphous replacement techniques. J Mol Biol. 1989;206:365-79 pubmed
    The crystal structure of lipoamide dehydrogenase from Azotobacter vinelandii has been determined by a combination of molecular replacement and isomorphous replacement techniques yielding eventually a good-quality 2...
  7. Tauchert K, Jahn A, Oelze J. Control of diauxic growth of Azotobacter vinelandii on acetate and glucose. J Bacteriol. 1990;172:6447-51 pubmed
    Batch cultures of Azotobacter vinelandii were inoculated with cells pregrown on either acetate or glucose...
  8. Nagpal P, Jafri S, Reddy M, Das H. Multiple chromosomes of Azotobacter vinelandii. J Bacteriol. 1989;171:3133-8 pubmed
    The number of copies of the genes leuB, nifH, nifD, and nifK per cell of Azotobacter vinelandii has been determined to be about 80. A beta-lactamase gene was integrated into the A. vinelandii chromosome by single-point crossover...
  9. Young J, Park D. Probable synonymy of the nitrogen-fixing genus Azotobacter and the genus Pseudomonas. Int J Syst Evol Microbiol. 2007;57:2894-901 pubmed
    The relationships of the genus Azotobacter, Azomonas macrocytogenes and the genus Pseudomonas were revealed by comparative analysis of partial 16S rRNA and atpD, carA and recA gene sequences and as concatenated nucleotide and peptide ..
  10. Andrews S, Findlay J, Guest J, Harrison P, Keen J, Smith J. Physical, chemical and immunological properties of the bacterioferritins of Escherichia coli, Pseudomonas aeruginosa and Azotobacter vinelandii. Biochim Biophys Acta. 1991;1078:111-6 pubmed
    The 70-amino-acid-residue N-terminal sequence of the bacterioferritin (BFR) of Azotobacter vinelandii was determined and shown to be highly similar to the N-terminal sequences of the Escherichia coli and Nitrobacter winogradskyi ..
  11. Kumar G, Yadav S, Thawale P, Singh S, Juwarkar A. Growth of Jatropha curcas on heavy metal contaminated soil amended with industrial wastes and Azotobacter. A greenhouse study. Bioresour Technol. 2008;99:2078-82 pubmed
    ..aims of the study were to evaluate the effect of organic wastes (biosludge and dairy sludge) and biofertilizer (Azotobacter chroococcum) on the planting conditions of Jatropha curcas in metal contaminated soils...
  12. Ahmad F, Ahmad I, Khan M. Screening of free-living rhizospheric bacteria for their multiple plant growth promoting activities. Microbiol Res. 2008;163:173-81 pubmed
    ..In search of efficient PGPR strains with multiple activities, a total of 72 bacterial isolates belonging to Azotobacter, fluorescent Pseudomonas, Mesorhizobium and Bacillus were isolated from different rhizospheric soil and plant ..
  13. Joshi P, Juwarkar A. In vivo studies to elucidate the role of extracellular polymeric substances from Azotobacter in immobilization of heavy metals. Environ Sci Technol. 2009;43:5884-9 pubmed
    The role of extracellular polymeric substances (EPS) produced by the heavy metal-resistant strain of Azotobacter spp...
  14. Camelo Rusinque M, Moreno Galván A, Romero Perdomo F, Bonilla Buitrago R. [Development of a liquid fermentation system and encystment for a nitrogen-fixing bacterium strain having biofertilizer potential]. Rev Argent Microbiol. 2017;49:289-296 pubmed publisher
    ..of this research was to develop a suitable liquid fermentation system and encystment for the multiplication of Azotobacter chroococcum AC1 strain, a bacterium employed in a biofertilizer formulation produced at present by CARPOICA, ..
  15. de Almeida A, Catone M, Rhodius V, Gross C, Pettinari M. Unexpected stress-reducing effect of PhaP, a poly(3-hydroxybutyrate) granule-associated protein, in Escherichia coli. Appl Environ Microbiol. 2011;77:6622-9 pubmed publisher
    ..transcription (qRT)-PCR analysis was used to study the effect of PHB accumulation, and that of PhaP from Azotobacter sp. strain FA8, on the expression of stress-related genes in PHB-producing E. coli...
  16. Roberts R, Burioni R, Helinski D. Genetic characterization of the stabilizing functions of a region of broad-host-range plasmid RK2. J Bacteriol. 1990;172:6204-16 pubmed
    ..On the basis of these observations, we conclude that under the growth conditions used, the minimal stabilization locus encodes both an mrs activity and a stabilization activity that has the properties of a par locus. ..
  17. Huhe -, Borjigin S, Buhebaoyin -, Wu Y, Li M, Cheng Y. Microbial Nitrogen-Cycle Gene Abundance in Soil of Cropland Abandoned for Different Periods. PLoS ONE. 2016;11:e0154697 pubmed publisher
    ..chain reaction analysis of microbial genes encoding proteins involved in the nitrogen cycle was used to study Azotobacter species, nitrifiers, and denitrifiers in the soils from steppe grasslands and croplands abandoned for 2, 6, and ..
  18. Gauri S, Mandal S, Mondal K, Dey S, Pati B. Enhanced production and partial characterization of an extracellular polysaccharide from newly isolated Azotobacter sp. SSB81. Bioresour Technol. 2009;100:4240-3 pubmed publisher
    ..Phylogenetic analysis of the gene sequence showed its close relatedness with Azotobacter vinelandii and Azotobacter salinestris. Maximum EPS (2...
  19. Pareniuk O, Shavanova K, Laceby J, Illienko V, Tytova L, Levchuk S, et al. Modification of (137)Cs transfer to rape (Brassica napus L.) phytomass under the influence of soil microorganisms. J Environ Radioact. 2015;149:73-80 pubmed publisher
    ..seeds were inoculated by Azotobacter chroococcum...
  20. Larraburu E, Carletti S, Rodríguez Cáceres E, Llorente B. Micropropagation of photinia employing rhizobacteria to promote root development. Plant Cell Rep. 2007;26:711-7 pubmed
    ..Dress), an ornamental shrub, using the plant growth-promoting rhizobacteria (PGPR) Azospirillum brasilense and Azotobacter chroococcum during rhizogenesis...
  21. Juárez M, Zafra Gomez A, Luzón Toro B, Ballesteros García O, Navalon A, Gonzalez J, et al. Gas chromatographic-mass spectrometric study of the degradation of phenolic compounds in wastewater olive oil by Azotobacter Chroococcum. Bioresour Technol. 2008;99:2392-8 pubmed
    Compounds present in wastewater olive oil (WWOO) which can be used in metabolic pathways of Azotobacter chroococcum (A. chroococcum) have been investigated...
  22. Dance I. The controlled relay of multiple protons required at the active site of nitrogenase. Dalton Trans. 2012;41:7647-59 pubmed publisher
    ..Experiments to test the proposed mechanism of proton supply are suggested. The water chain in nitrogenase is comparable with the purported proton pumping pathway of cytochrome c oxidase...
  23. Rosenberg E, Ron E. Bioemulsans: microbial polymeric emulsifiers. Curr Opin Biotechnol. 1997;8:313-6 pubmed
    ..Bioemulsans have several advantages over lower molecular weight emulsifiers presently used in industry. The last few years have seen a number of new bioemulsans described with commercial applications. ..
  24. Hang M, Zhongyun C, Yuhua Z, Meichi C. Effects of trifluralin on soil microbial populations and the nitrogen fixation activities. J Environ Sci Health B. 2001;36:569-79 pubmed
    ..of trifluralin on soil microbial populations and the nitrogen fixation activity of nitrogen-fixing bacteria Azotobacter chroococcum and Bradyrhizobium japonicum and the decomposition of trifluralin by soil microorganisms were ..
  25. Hase T, Wakabayashi S, Matsubara H. Pseudomonas ovalis ferredoxin: similarity to Azotobacter and Chromatium ferredoxins. FEBS Lett. 1978;91:315-9 pubmed
  26. Giranda V, Berman H, Schramm V. Crystallographic quaternary structural analysis of AMP nucleosidases from Escherichia coli and Azotobacter vinelandii. J Biol Chem. 1989;264:15674-80 pubmed
    Adenosine monophosphate nucleosidases from Azotobacter vinelandii and Escherichia coli have been studied crystallographically to determine their quarternary structures. Preliminary characterization of the A...
  27. Burén S, Jiang X, López Torrejón G, Echavarri Erasun C, Rubio L. Purification and In Vitro Activity of Mitochondria Targeted Nitrogenase Cofactor Maturase NifB. Front Plant Sci. 2017;8:1567 pubmed publisher
    ..In this work, we have expressed synthetic codon-optimized versions of NifB from the ?-proteobacterium Azotobacter vinelandii and the thermophilic methanogen Methanocaldococcus infernus in Saccharomyces ..
  28. Segal H, Spatzal T, Hill M, Udit A, Rees D. Electrochemical and structural characterization of Azotobacter vinelandii flavodoxin II. Protein Sci. 2017;26:1984-1993 pubmed publisher
    b>Azotobacter vinelandii flavodoxin II serves as a physiological reductant of nitrogenase, the enzyme system mediating biological nitrogen fixation. Wildtype A...
  29. Bakulin M, Grudtsyna A, Pletneva A. [Biological fixation of nitrogen and growth of bacteria of the genus Azotobacter in liquid media in the presence of perfluorocarbons]. Prikl Biokhim Mikrobiol. 2007;43:443-9 pubmed
    ..perfluoromethyldecalin) to nitrogen-free liquid media during the submerged cultivation of bacteria of the genus Azotobacter was followed by (1) increases in biomass accumulation and nitrogenase activity and (2) fixation of molecular ..
  30. Vela G, Rosenthal R. Effect of peptone on Azotobacter morphology. J Bacteriol. 1972;111:260-6 pubmed
    Pleomorphism in cultures of Azotobacter vinelandii was induced by addition of Difco peptone to the growth medium...
  31. Hu K, Luo Q, Wang S, Lin X, Lin W. [Effects of allelopathic rice on rhizosphere microbial flora and enzyme activity]. Ying Yong Sheng Tai Xue Bao. 2006;17:1060-4 pubmed
    ..The results showed that in the rhizosphere of PI, the amounts of bacteria, actinomycetes and azotobacter were 11.2% - 28.3%, 40% - 78.6% and 111.5% - 173...
  32. Gangoiti J, Lamothe L, van Leeuwen S, Vafiadi C, Dijkhuizen L. Characterization of the Paenibacillus beijingensis DSM 24997 GtfD and its glucan polymer products representing a new glycoside hydrolase 70 subfamily of 4,6-?-glucanotransferase enzymes. PLoS ONE. 2017;12:e0172622 pubmed publisher
    Previously we have reported that the Gram-negative bacterium Azotobacter chroococcum NCIMB 8003 uses the 4,6-?-glucanotransferase GtfD to convert maltodextrins and starch into a reuteran-like polymer consisting of (?1?4) glucan chains ..
  33. Parkin D, Schramm V. Effects of allosteric activation on the primary and secondary kinetic isotope effects for three AMP nucleosidases. J Biol Chem. 1984;259:9418-25 pubmed
    Kinetic isotope effects (V/K) were measured with AMP nucleosidases isolated from Azotobacter vinelandii, from a Vmax mutant enzyme of A. vinelandii and from Escherichia coli...
  34. Bhatia R, Ruppel S, Narula N. Diversity studies of Azotobacter spp. from cotton-wheat cropping systems of India. J Basic Microbiol. 2008;48:455-63 pubmed publisher
    b>Azotobacter are the favored bioinoculants being promoted for cotton crop in India. In order to develop bioinoculants, both metabolic fingerprinting and genetic fingerprinting have been used to study the diversity among Azotobacter spp...
  35. Goyal A, Saxena P, Rahman A, Singh P, Kasbekar D, Gokhale R, et al. Structural insights into biosynthesis of resorcinolic lipids by a type III polyketide synthase in Neurospora crassa. J Struct Biol. 2008;162:411-21 pubmed publisher
    ..Recently, a type III PKS homolog from Azotobacter has been implicated in the biosynthesis of resorcinolic lipids, thus adding a new functional significance to ..
  36. Paul S, Paul B, Aslam Khan M, Aggarwal C, Thakur J, Rathi M. Effects of lindane on lindane-degrading Azotobacter chroococcum; evaluation of toxicity of possible degradation product(s) on plant and insect. Bull Environ Contam Toxicol. 2013;90:351-6 pubmed publisher
    The effects of lindane on growth and plant growth-promoting traits of two lindane-degrading Azotobacter chroococcum strains (JL 15 and JL 104) were determined. The potential of both A...
  37. Karthikeyan B, Jaleel C, Lakshmanan G, Deiveekasundaram M. Studies on rhizosphere microbial diversity of some commercially important medicinal plants. Colloids Surf B Biointerfaces. 2008;62:143-5 pubmed
    ..The diazotrophic bacterial population studied includes Azospirillum, Azotobacter and Pseudomonas. The rhizosphere bacterial populations were 23.33 x 10(6)g(-1) in O. sanctum followed by C...
  38. de Almeida A, Giordano A, Nikel P, Pettinari M. Effects of aeration on the synthesis of poly(3-hydroxybutyrate) from glycerol and glucose in recombinant Escherichia coli. Appl Environ Microbiol. 2010;76:2036-40 pubmed publisher
    Bioreactor cultures of Escherichia coli recombinants carrying phaBAC and phaP of Azotobacter sp...
  39. Khalid M, Hassani D, Bilal M, Asad F, Huang D. Influence of bio-fertilizer containing beneficial fungi and rhizospheric bacteria on health promoting compounds and antioxidant activity of Spinacia oleracea L. Bot Stud. 2017;58:35 pubmed publisher
    ..containing mycorrhizal fungi (Glomus fasciculatum, Glomus mosseae) individually or in combination with N-fixer (Azotobacter chroococcum), K solubilizer (Bacillus mucilaginous) and P solubilizer (Bacillus megaterium) on soil fertility ..
  40. Barney B, Plunkett M, Natarajan V, Mus F, Knutson C, Peters J. Transcriptional Analysis of an Ammonium-Excreting Strain of Azotobacter vinelandii Deregulated for Nitrogen Fixation. Appl Environ Microbiol. 2017;83: pubmed publisher
    ..result in the deregulation of the nif transcriptional activator NifA in the nitrogen-fixing bacterium Azotobacter vinelandii, triggering the production of extracellular ammonium levels approaching 30 mM during the ..
  41. Giuliano R, Kasperowicz S. Synthesis of branched-chain sugars: a stereoselective route to sibirosamine, kansosamine, and vinelose from a common precursor. Carbohydr Res. 1988;183:277-85 pubmed
    ..Catalytic reduction of methyl 6-deoxy-2,3-O-isopropylidene-3-C-methyl-alpha-L-lyxo-hexopyrano sid-4-ulose gave the axial alcohol methyl 6-deoxy-2,3-O-isopropylidene-3-C-methyl-alpha-L-talopyranoside, a known precursor to vinelose. ..
  42. Dobruchowska J, Jonsson J, Fridjonsson O, Aevarsson A, Kristjansson J, Altenbuchner J, et al. Modification of linear (β1→3)-linked gluco-oligosaccharides with a novel recombinant β-glucosyltransferase (trans-β-glucosidase) enzyme from Bradyrhizobium diazoefficiens. Glycobiology. 2016;26:1157-1170 pubmed publisher
    ..Recently, we have shown that glycoside hydrolases enzymes of family GH17 from proteobacteria (genera Pseudomonas, Azotobacter) catalyze elongation transfer reactions with laminari-oligosaccharides generating (β1→3) linkages ..
  43. Kıvılcımdan Moral Ç, Ertesvåg H, Sanin F. Guluronic acid content as a factor affecting turbidity removal potential of alginate. Environ Sci Pollut Res Int. 2016;23:22568-22576 pubmed
    ..They are currently extracted from brown algae; however, alginate can also be synthesized by some species of Azotobacter and Pseudomonas...
  44. Benen J, van Berkel W, van Dongen W, Muller F, de Kok A. Molecular cloning and sequence determination of the lpd gene encoding lipoamide dehydrogenase from Pseudomonas fluorescens. J Gen Microbiol. 1989;135:1787-97 pubmed
    ..fluorescens DNA cloned in Escherichia coli TG2 by use of serum raised against lipoamide dehydrogenase from Azotobacter vinelandii. Large amounts (up to 15% of total cellular protein) of the P...
  45. Houwman J, Westphal A, Visser A, Borst J, van Mierlo C. Concurrent presence of on- and off-pathway folding intermediates of apoflavodoxin at physiological ionic strength. Phys Chem Chem Phys. 2018;20:7059-7072 pubmed publisher
    ..An off-pathway MG is formed at physiological ionic strength in the case of the F44Y variant of Azotobacter vinelandii apoflavodoxin (i.e., flavodoxin without flavin mononucleotide (FMN))...
  46. Serafim L, Lemos P, Torres C, Reis M, Ramos A. The influence of process parameters on the characteristics of polyhydroxyalkanoates produced by mixed cultures. Macromol Biosci. 2008;8:355-66 pubmed
    ..The introduction of a purification step during the polymer extraction process allowed the elimination of possible contaminants but did not significantly improve the polymer quality. ..
  47. Antipchuk A, Rangelova V, Tantsiurenko E. [Species and strain sensitivity of diasotrophs to heavy metals]. Mikrobiol Z. 2002;64:44-51 pubmed
    ..5 to 20.0 MPC/l has been studied under the laboratory conditions. Azotobacter (35 strains) and rhizobia (63 strains) have been tested...
  48. Stout G, Turley S, Sieker L, Jensen L. Structure of ferredoxin I from Azotobacter vinelandii. Proc Natl Acad Sci U S A. 1988;85:1020-2 pubmed
    The structure of Azotobacter vinelandii ferredoxin I (Av FdI, 106 amino acids) has been redetermined, based on x-ray diffraction data from tetragonal crystals of the native protein and two heavy atom derivatives...
  49. Fay A, Blank M, Lee C, Hu Y, Hodgson K, Hedman B, et al. Characterization of isolated nitrogenase FeVco. J Am Chem Soc. 2010;132:12612-8 pubmed publisher
    ..So far, there has been only one report on the isolation of FeVco from Azotobacter chroococcum...
  50. Zarnowski R, Suzuki Y, Zarnowska E, Esumi Y, Kozubek A, Pietr S. 5-n-Alkylresorcinols from the nitrogen-fixing soil bacterium Azotobacter chroococcum Az12. Z Naturforsch C. 2004;59:318-20 pubmed
    ..5-n-alkylresorcinol homologues was isolated from vegetative cells of the nitrogen-fixing soil bacterium Azotobacter chroococcum Az12...
  51. Kisten A, Kurdin I, Bega Z, Tsarenko I. [The effects of several factors on the growth of pure and mixed cultures of Azotobacter chroococcum and Bacillus subtilis]. Prikl Biokhim Mikrobiol. 2006;42:315-20 pubmed
    We studied the effect of a clay mineral, palygorskite, on the physiological activity of Azotobacter chroococcum and the phosphate-mobilizing bacterium Bacillus subtilis, as well as their mixed cultures, under various oxygen supply ..
  52. Staal M, Lintel Hekkert S, Harren F, Stal L. Nitrogenase activity in cyanobacteria measured by the acetylene reduction assay: a comparison between batch incubation and on-line monitoring. Environ Microbiol. 2001;3:343-51 pubmed
    ..It was therefore concluded that the on-line method is superior to batch incubations when rates of nitrogenase activity are to be measured. The method is suitable for natural samples (water or sediment)...
  53. Jambhulkar H, Juwarkar A. Assessment of bioaccumulation of heavy metals by different plant species grown on fly ash dump. Ecotoxicol Environ Saf. 2009;72:1122-8 pubmed publisher
    ..Cassia siamea was found to accumulate all metals at higher concentrations compared to other species. The experimental study revealed that C. siamea could be used as a hyper-accumulator plant for bioremediation of fly ash dump...
  54. Manna A, Paul A. Growth-associated production and characterization of poly (3-hydroxybutyric acid) of Azotobacter beijerinckii DAR-102. Indian J Exp Biol. 2003;41:129-34 pubmed
    Production of poly (3-hydroxybutyric acid) [P(3HB)] by Azotobacter beijerinckii DAR-102 isolated in this laboratory has been optimized under batch-culture...
  55. Martin A, Burgess B, Stout C, Cash V, Dean D, Jensen G, et al. Site-directed mutagenesis of Azotobacter vinelandii ferredoxin I: [Fe-S] cluster-driven protein rearrangement. Proc Natl Acad Sci U S A. 1990;87:598-602 pubmed
    b>Azotobacter vinelandii ferredoxin I is a small protein that contains one [4Fe-4S] cluster and one [3Fe-4S] cluster...
  56. Diez A, Prieto M, Alvarez M, Bautista J, Garrido J, Puyet A. Improved catalytic performance of a 2-haloacid dehalogenase from Azotobacter sp. by ion-exchange immobilisation. Biochem Biophys Res Commun. 1996;220:828-33 pubmed
    The stability and catalytic efficacy of the L-2-haloacid dehalogenase isolated from Azotobacter sp. RC26 were studied after immobilisation on a DEAE Sephacel solid matrix...
  57. Ghosh D, O Donnell S, Furey W, Robbins A, Stout C. Iron-sulfur clusters and protein structure of Azotobacter ferredoxin at 2.0 A resolution. J Mol Biol. 1982;158:73-109 pubmed
  58. Maheshwari D, Dubey R, Aeron A, Kumar B, Kumar S, Tewari S, et al. Integrated approach for disease management and growth enhancement of Sesamum indicum L. utilizing Azotobacter chroococcum TRA2 and chemical fertilizer. World J Microbiol Biotechnol. 2012;28:3015-24 pubmed publisher
    b>Azotobacter chroococcum TRA2, an isolate of wheat rhizosphere displayed plant growth promoting attributes including indole acetic acid, HCN, siderophore production, solubilization of inorganic phosphate and ..
  59. Krol A, Hontelez J, Roozendaal B, van Kammen A. On the operon structure of the nitrogenase genes of Rhizobium leguminosarum and Azotobacter vinelandii. Nucleic Acids Res. 1982;10:4147-57 pubmed
    ..In the same way nitrogenase mRNA was detected in RNA isolated from Azotobacter vinelandii and from Klebsiella pneumoniae, but only if both were cultured under conditions of derepression of ..
  60. Lee K, Yoo S, Baek S, Lee H. Physicochemical and biological characteristics of DEAE-derivatized PS7 biopolymer of Beijerinckia indica. Int J Biol Macromol. 2007;41:141-5 pubmed
    ..When PS7 was DEAE-derivatized, there was substantial decrease in the cholic acid retardation index (CRI). Up to 8-9h of dialysis, the derivatized PS7 hold 8.6% less of cholic acid compared to native one...
  61. Nikitina V, Kuz mina L, Melent ev A, Shendel G. [Antibacterial activity of polyphenolic compounds isolated from plants of Geraniaceae and Rosaceae families]. Prikl Biokhim Mikrobiol. 2007;43:705-12 pubmed
    ..tormentil) have been tested for their activity against gram-positive and gram-negative bacteria of the genera Azotobacter, Bacillus, and Pseudomonas...
  62. Gauri S, Mandal S, Atta S, Dey S, Pati B. Novel route of tannic acid biotransformation and their effect on major biopolymer synthesis in Azotobacter sp. SSB81. J Appl Microbiol. 2013;114:84-95 pubmed publisher
    To examine tannic acid (TA) utilization capacity by nitrogen-fixing bacteria, Azotobacter sp. SSB81, and identify the intermediate products during biotransformation...
  63. Luque F, Pau R. Transcriptional regulation by metals of structural genes for Azotobacter vinelandii nitrogenases. Mol Gen Genet. 1991;227:481-7 pubmed
    b>Azotobacter vinelandii has three nitrogenases: a molybdenum (Mo) nitrogenase, a vanadium (V) nitrogenase, and a third nitrogenase (nitrogenase-3), which apparently lacks Mo and V...
  64. Garg S, Bhatnagar A, Kalla A, Narula N. In vitro nitrogen fixation, phosphate solubilization, survival and nutrient release by Azotobacter strains in an aquatic system. Bioresour Technol. 2001;80:101-9 pubmed
    In vitro nitrogen fixation, phosphate solubilization, survival and nutrient release by the three strains of Azotobacter (Mac-27, nitrogen fixer; PS-21, phosphate solubilizer and MSX-9, a phytohormone producer) in an aquatic system using ..
  65. Bian W, Chandrasekaran R, Ogawa K. X-ray structure analysis of the sodium salt of beijeran. Carbohydr Res. 2002;337:305-14 pubmed
    ..Adjacent sheets associate via a network of sodium ions and water molecules embedded between them. The morphology of sodium beijeran in the solid state is consistent with its observed rheological properties...
  66. Patil S, Patil C, Salunke B, Salunkhe R, Bathe G, Patil D. Studies on characterization of bioflocculant exopolysaccharide of Azotobacter indicus and its potential for wastewater treatment. Appl Biochem Biotechnol. 2011;163:463-72 pubmed publisher
    Partially characterized bioflocculant exopolysaccharide (EPS) produced from an Azotobacter indicus ATCC 9540 strain reported in our previous study was further characterized, and its flocculant potential was investigated at different pH, ..
  67. Onwurah I. Quantitative modelling of crude oil toxicity using the approach of cybernetics and structured mechanisms of microbial processes. Environ Monit Assess. 2002;76:157-66 pubmed
    ..approach to biochemical processes in microbial cells offer the status of using various cell components of Azotobacter as molecular markers in toxicity assay of environmental toxicants...
  68. Juwarkar A, Yadav S, Kumar P, Singh S. Effect of biosludge and biofertilizer amendment on growth of Jatropha curcas in heavy metal contaminated soils. Environ Monit Assess. 2008;145:7-15 pubmed
    ..Findings suggest that plantation of J. curcas may be promoted in metal contaminated soils, degraded soils or wasteland suitably after amending with organic waste...
  69. Juwarkar A, Jambhulkar H. Restoration of fly ash dump through biological interventions. Environ Monit Assess. 2008;139:355-65 pubmed
    ..5 times due to addition of nitrogen fixing strains of Bradyrhizobium and Azotobacter species, while phosphate content was increased by 10...
  70. Defrancesco N, Potts M. Cloning of nifHD from Nostoc commune UTEX 584 and of a flanking region homologous to part of the Azotobacter vinelandii nifU gene. J Bacteriol. 1988;170:3297-300 pubmed
    ..A region of DNA 1 kilobase upstream from the 5' end of nifH showed considerable sequence similarity to part of the published nifU sequences of Azotobacter vinelandii and Klebsiella pneumoniae.
  71. Maier R, Prosser J. Hydrogen-mediated mannose uptake in Azotobacter vinelandii. J Bacteriol. 1988;170:1986-9 pubmed
    b>Azotobacter vinelandii can grow mixotrophically with H2 plus mannose under N2-fixing conditions (T. Y. Wong and R. J. Maier, J. Bacteriol. 163:528-533, 1985)...
  72. Mattsson U, Johansson L, Sandstrom G, Sellstedt A. Frankia KB5 possesses a hydrogenase immunologically related to membrane-bound. Curr Microbiol. 2001;42:438-41 pubmed
    ..was investigated using antisera raised against holo-[NiFe]-hydrogenases isolated from Alcaligenes latus, Azotobacter vinelandii, Ralstonia eutropha, and the small and large hydrogenase subunits from Bradyrhizobium japonicum...
  73. Zhang L, Fang P, Zhu R. [Recent advances in research and application of associated nitrogen-fixation with graminaceous plants]. Ying Yong Sheng Tai Xue Bao. 2004;15:1650-4 pubmed
  74. Stout C. 7-Iron ferredoxin revisited. J Biol Chem. 1988;263:9256-60 pubmed
    The crystal structure of the 7Fe ferredoxin from Azotobacter vinelandii has been redetermined using area detector data to 2.7-A resolution and a new derivative. Tetragonal crystals of the protein were maintained at pH 8.0...
  75. Faragová N, Faragó J, Drábeková J. Evaluation of abundance of aerobic bacteria in the rhizosphere of transgenic and non-transgenic alfalfa lines. Folia Microbiol (Praha). 2005;50:509-14 pubmed
    ..in the rhizosphere of transgenic clonesand, on the other hand, lower concentration of cellulolytic bacteria and Azotobacter spp. compared with the rhizosphere of non-transgenic clone SE/22-GT2...
  76. McLean P, Papaefthymiou V, Orme Johnson W, Munck E. Isotopic hybrids of nitrogenase. Mössbauer study of MoFe protein with selective 57Fe enrichment of the P-cluster. J Biol Chem. 1987;262:12900-3 pubmed
    ..We have argued previously that the oxidized P-clusters occur in pairs as well...
  77. Ravikumar S, Kathiresan K, Alikhan S, Williams G, Gracelin N. Growth of Avicennia marina and Ceriops decandra seedlings inoculated with halophilic azotobacters. J Environ Biol. 2007;28:601-3 pubmed
    Inoculation of azotobacter has significant positive effects on the growth characteristics and pigments in mangrove seedlings of Avicennia marina and Ceriops decandra...
  78. Alikunhi N, Narayanasamy R, Kandasamy K. Fatty acids in an estuarine mangrove ecosystem. Rev Biol Trop. 2010;58:577-87 pubmed
    ..To delineate these web connections, fatty acid profiles were analyzed in species of microbes (Azotobacter vinelandii, and Lactobacillus xylosus), prawns (Metapenaeus monoceros and Macrobrachium rosenbergii) and ..
  79. Gauri S, Archanaa S, Mondal K, Pati B, Mandal S, Dey S. Removal of arsenic from aqueous solution using pottery granules coated with cyst of Azotobacter and portland cement: characterization, kinetics and modeling. Bioresour Technol. 2011;102:6308-12 pubmed publisher
    A new low cost adsorbents, pottery granules coated with cyst of Azotobacter and portland cement has been developed for aqueous arsenic removal...
  80. Loveless T, Bishop P. Identification of genes unique to Mo-independent nitrogenase systems in diverse diazotrophs. Can J Microbiol. 1999;45:312-7 pubmed
    ..Products with sequences similar to that of vnfG were obtained from Azotobacter paspali and Azotobacter salinestris genomic DNAs, and products with sequences similar to that of anfG were ..
  81. Matuda S, Nakano K, Ohta S, Saheki T, Kawanishi Y, Miyata T. The alpha-ketoacid dehydrogenase complexes. Sequence similarity of rat pyruvate dehydrogenase with Escherichia coli and Azotobacter vinelandii alpha-ketoglutarate dehydrogenase. Biochim Biophys Acta. 1991;1089:1-7 pubmed
    ..However, we could not find significant homology between rat pyruvate dehydrogenase and Gram-negative bacterial pyruvate dehydrogenase...
  82. Rubio E, Montecchia M, Tosi M, Cassán F, Perticari A, Correa O. Genotypic characterization of Azotobacteria isolated from Argentinean soils and plant-growth-promoting traits of selected strains with prospects for biofertilizer production. ScientificWorldJournal. 2013;2013:519603 pubmed publisher
    The genetic diversity among 31 putative Azotobacter isolates obtained from agricultural and non-agricultural soils was assessed using rep-PCR genomic fingerprinting and identified to species level by ARDRA and partial 16S rRNA gene ..
  83. Pham M, Schideman L, Sharma B, Zhang Y, Chen W. Effects of hydrothermal liquefaction on the fate of bioactive contaminants in manure and algal feedstocks. Bioresour Technol. 2013;149:126-35 pubmed publisher
  84. Saha S, Paul A. Intracellular degradation of poly(3-hydroxybutyric acid) accumulated by Azotobacter chroococcum MAL-201. Roum Arch Microbiol Immunol. 2005;64:50-6 pubmed
    b>Azotobacter chroococcum MAL-201 accumulates poly(3-hydroxybutyric acid) [P(3HB)] accounting 69% of cell dry weight (CDW) from glucose during growth in nitrogen-free Stockdale medium...
  85. Kurihara T, Takada Y. Analysis of the amino acid residues involved in the thermal properties of the monomeric isocitrate dehydrogenases of the psychrophilic bacterium Colwellia maris and the mesophilic bacterium Azotobacter vinelandii. Biosci Biotechnol Biochem. 2012;76:2242-8 pubmed
    ..5%) to a mesophilic nitrogen-fixing bacterium, Azotobacter vinelandii, (AvIDH)...
  86. Thekkiniath J, Paul S, Dureja P, Dhar D. Physiological studies on endorhizospheric establishment of Azotobacter chroococcum in wheat. J Basic Microbiol. 2010;50:266-73 pubmed publisher
    Ten strains of Azotobacter chroococcum were studied for their ability to invade the endorhizosphere of wheat. Strain W-5 exhibited ability to invade endorhizosphere as shown in the microscopic observations...
  87. Gauri S, Mandal S, Dey S, Pati B. Biotransformation of p-coumaric acid and 2,4-dichlorophenoxy acetic acid by Azotobacter sp. strain SSB81. Bioresour Technol. 2012;126:350-3 pubmed publisher
    A comprehensive study was made on biotransformation of p-coumaric acid and 2,4-dichlorophenoxyacetic acid by an Azotobacter sp. strain SSB81...