N.L. n. azotum, nitrogen; from French n. azote; from Gr. prep. a, not; from Gr. n. zôê, life; from N.Gr. n. azôê, not sustaining life; N.L. masc. n.bacter, a rod; N.L. masc. n.Azotobacter, a nitrogen rod
Breed et al. (1948) assigned this genus to the family "Azotobacteriaceae".Publication:
Burkholder WH. Genus I. Pseudomonas Migula. Bacterial plant pathogens. In: Breed RS, Murray EGD, Hitchens AP (eds), Bergey's Manual of Determinative Bacteriology, 6th ed., The Williams & Wilkins Co, Baltimore, 1948, p. 82-150.
Garrity et al. (2003) assigned this genus to the family Azotobacteraceae Pribram 1933 (Approved Lists 1980).Publication:
Garrity GM, Bell JA, Lilburn TG. Taxonomic Outline of the Procaryotes. Bergey's Manual of Systematic Bacteriology, Second Edition, Release 4.0. Springer-Verlag, New York, 2003.
Kluyver and Van Niel (1936) assigned this genus to the tribe Pseudomonadeae Kluyver and Van Niel 1936 (Approved Lists 1980).Publication:
Kluyver AJ, Van Niel CB. Prospects for a natural system of classification of bacteria. Zentralblatt für Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene, Abteilung II 1936; 94:369-403.
Winslow et al. (1920) assigned this genus to the tribe "Azotobactereae".Publication:
Winslow CE, Broadhurst J, Buchanan RE, Krumwiede C, Rogers LA, Smith GH. The Families and Genera of the Bacteria: Final Report of the Committee of the Society of American Bacteriologists on Characterization and Classification of Bacterial Types. J Bacteriol 1920; 5:191-229.
This taxon name is occasionally misprinted in the literature as: "Azobacter".
This taxon name is occasionally used in plural form as: "Azotobacteria".
A consideration of the phenotypic determinative characteristics of the genera Azomonas Winogradsky 1938 (Approved Lists 1980) and Azotobacter Beijerinck 1901 (Approved Lists 1980) supports the synonymy of these genera as indicated by the sequence data. An investigation of these two genera, with a wider selection of strains, including the type species of Azomonas ( Azomonas agilis), and perhaps based on other genes, might support their synonymy. If they are established as a single genus, Azotobacter would take priority over Azomonas. At the molecular level, the similarity of Azotobacter species housekeeping gene and 16S rRNA gene sequences with those of Pseudomonas, especially Pseudomonas aeruginosa (the type species of the genus), point to an intimate relationship between these taxa.Publication:
Young JM, Park DC. Probable synonymy of the nitrogen-fixing genus Azotobacter and the genus Pseudomonas. Int J Syst Evol Microbiol 2007; 57:2894-2901.
Number of child taxa with a validly published and correct name: 7 Number of child taxa with a validly published name, including synonyms: 9 Total number of child taxa: 12
Garrity GM, Bell JA, Lilburn T. Class III. Gammaproteobacteria class. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part B (The Gammaproteobacteria), Springer, New York, 2005, p. 1.
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