Etymology:
Gr. n. gamma, name of the third letter of Greek alphabet; Gr. masc. n.Prôteus, Greek god of the sea, capable of assuming many different shapes; N.L. masc. n.bacter, rod; Gr. fem. adj. suff.-ia, ending to denote a class; N.L. neut. pl. n.Gammaproteobacteria, a class of bacteria included in the phylum Proteobacteria and having 16S rRNA gene sequences related to those of the members of the order Pseudomonadales
Effective publication:
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.
IJSEM list:
Euzeby JP. Validation list no. 106. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2005; 55:2235-2238.
Williams and Kelly 2013
Williams KP, Kelly DP. Proposal for a new class within the phylum Proteobacteria, Acidithiobacillia classis nov., with the type order Acidithiobacillales, and emended description of the class Gammaproteobacteria. Int J Syst Evol Microbiol 2013; 63:2901-2906.
Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 63, part 8 of the IJSEM. Int J Syst Evol Microbiol 2013; 63:3935-3936. Notes:
Emendation accompanied by the removal of 1 order from the class.
Notes:
Cavalier-Smith (2006) assigned this class to the subphylum "Rhodobacteria" Cavalier-Smith 2002.Publication:
Cavalier-Smith T. Rooting the tree of life by transition analyses. Biol Direct 2006; 1:19.
Brenner et al. (2005) assigned the order Acidithiobacillales Garrity et al. 2005 to this class.Publication:
Garrity GM, Bell JA, Lilburn T. Order II. Acidithiobacillales ord. 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. 60.
Brenner et al. (2005) assigned the order Xanthomonadales Saddler and Bradbury 2005 to this class.Publication:
Saddler GS, Bradbury JF. Order III. Xanthomonadales ord. 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. 63.
Kuechler et al. (2011) assigned the genus "Candidatus Rohrkolberia" (sic) Kuechler et al. 2011 to this class.Publication:
Kuechler SM, Dettner K, Kehl S. Characterization of an obligate intracellular bacterium in the midgut epithelium of the bulrush bug Chilacis typhae (Heteroptera, Lygaeidae, Artheneinae). Appl Environ Microbiol 2011; 77:2869-2876.
The type order of this class has alternatively been placed in the class Schizomycetes Nägeli 1857 (Approved Lists 1980).Publication:
Parker CD. Genus V. Thiobacillus Beijerinck 1904. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, 7th edition, The Williams & Wilkins Co, Baltimore, 1957, p. 83-88.
This taxon name is occasionally misprinted in some sources as: "Gamaproteobacteria"; "Gammaprotebacteria"; "Gammaprotobacteria"; "Gammaroteobacteria"; "Gammproteobacteria".
This taxon name is occasionally used in singular form as: "Gammaproteobacterium".
Irregularly formed name (not formed from the stem of the name of the nomenclatural type).Publication:
Parker CT, Tindall BJ, Garrity GM. International Code of Nomenclature of Prokaryotes. Int J Syst Evol Microbiol 2019; 69:S1-S111.
Subdivision:
Number of child taxa with a validly published and correct name: 17 Number of child taxa with a validly published name, including synonyms: 18 Total number of child taxa: 20
Assigned by:
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.
Linking:
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