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Any of various rod-shaped, aerobic, nitrogen-fixing bacteria of the genus Azotobacter, typically found in soil and water.

[French azote, nitrogen; see azo- + bacter(ia).]


(Microbiology) any bacterium of the family Azotobacteriaceae, important in nitrogen fixation in the soil
[New Latin; see azote, bacteria]


(əˈzoʊ təˌbæk tər, eɪˈzoʊ-)

any of several rod-shaped or spherical soil bacteria of the genus Azotobacter, important as nitrogen fixers.
[< New Latin (1901); see azote, -o-, bacterium]
References in periodicals archive ?
The fertilisation of non-legume crops by N-fixing bacteria is of great importance, with strains of Azospirillum, Azotobacter, Acetobacter, Bacillus, Pseudomonas, Bradyrhizobium and Rhizobium being used as biofertiliser for dry bean (Phaseolus vulgaris L.
The microbial inoculant of 24 hr old pure cultures of Azotobacter chroococcum and Bacillus megaterium were transferred aseptically into flasks containing Waksmann No.
Nitrogen-fixing biofertilizers, such as Acetobacter, Azospirillum, Azotobacter, blue green algae (BGA) and Rhizobium, currently represent the biggest segment accounting for the majority of the market share.
hexandra durante los seis meses, estimulo positivamente la produccion de materia seca, el establecimiento de bacterias fijadoras de nitrogeno de vida libre, de los grupos Azospirillum y Azotobacter, en dosis altas de petroleo y en condiciones de anegamiento.
Four fungal (Candida, Fusarium, Penicillium and Saccharomyces) and two bacterial genera (Klebsiella and Nocardia) were isolated from bolus only, three fungal (Cryptococcus, Histoplasma and Trichophoton) and six bacterial (Acaligenes, Azotobacter, Bartonella, Nitrsomonas, Pseudomonas and Salmonella) genera were isolated from guano while five fungal (Alternaria, Aspergillus, Chrysosporium, Exophilaand Scopulariopsis) and four bacterial (Bacillus, Corynebacterium, Listeria and Streptomycete) genera were common in bolus and guano samples.
Different bacteria that have been reported as PGPR belong to the genera Pseudomonas, Bacillus, Azospirillum, Agrobacterium, Azotobacter, Rhizobium, Enterobacter and Phyllobacterium.
The consortium rhizobacteria endofitic bacteria, Azotobacter, Azospirilium and bacteri posfat solubile has ability to increase grwth and production of rice [14].
2010) found that a strain of Azotobacter vinelandii presumptively had the capacity to produce 49.
sup][20] In addition, we also found traces of other bacteria with low coverage and depth, such as Azotobacter vinelandii (a nitrogen fixing bacteria), Escherichia coli and Shigella sonnei .