Link to NCBI Front Page Taxonomy Logo
Entrez PubMed Nucleotide Protein Genome Structure PMC Taxonomy BioCollections
Taxonomy browser (Gammaproteobacteria)


Taxonomy ID: 1236 (for references in articles please use NCBI:txid1236)
current name
Gammaproteobacteria Garrity et al. 2005 emend. Williams and Kelly 2013
homotypic synonym:
"Pseudomonadia" Oren et al. 2016 in [Oren A et al. (2016)]
NCBI BLAST name: g-proteobacteria
Rank: class
Genetic code: Translation table 11 (Bacterial, Archaeal and Plant Plastid)
Other names:
heterotypic synonym
Proteobacteria gamma subdivision
heterotypic synonym
Purple bacteria, gamma subdivision
heterotypic synonym
gamma proteobacteria
heterotypic synonym
gamma subdivision
heterotypic synonym
gamma subgroup
blast name
Lineage( full )
cellular organisms; Bacteria; Pseudomonadota
   Entrez records   
Database name Subtree links Direct links
Nucleotide 39,584,414 16
Protein 379,083,116 53,123
Structure 26,279 -
Genome 4,342 -
Popset 25,389 10,987
Conserved Domains 3,276 1,208
GEO Datasets 53,684 -
PubMed Central 704,655 15,987
Gene 7,092,159 -
SRA Experiments 1,352,560 44
GEO Profiles 537,342 -
Protein Clusters 199,691 2,900
Identical Protein Groups 113,110,503 53,044
BioProject 52,786 35
BioSample 1,540,826 48
Assembly 983,314 -
Genetic Testing Registry 4 -
PubChem BioAssay 61,770 1
Taxonomy 126,282 1

Comments and References:

Oren A et al. (2016), PubMed: abstract
Oren, A., Parte, A., and Garrity, G.M. "Implementation of Rule 8 of the International Code of Nomenclature of Prokaryotes for the renaming of classes. Request for an Opinion." Int. J. Syst. Evol. Microbiol. (2016) 66(10):4296-4298.
Garrity GM et al. (2005b)
Garrity, G.M., Bell, J.A., and Lilburn, T. "Class III. Gammaproteobacteria class. nov." In: D.J. Brenner, N.R. Krieg, J.T. Staley and G. M. Garrity (eds.), Bergeys Manual of Systematic Bacteriology, second edition, vol. 2 (The Proteobacteria), part B (The Gammaproteobacteria), Springer, New York, 2005, p. 1. [No PubMed record available.]
VALIDATION LIST No. 106 (2005)
Validation List No. 106: "Validation of publication of new names and new combinations previously effectively published outside the IJSEM." Int. J. Syst. Evol. Microbiol. (2005) 55:2235-2238.
Williams KP & Kelly DP (2013)
Williams, K.P., and Kelly, D.P. "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(8):2901-2906.

External Information Resources (NCBI LinkOut)

LinkOut Subject LinkOut Provider
6 records from this provider organism-specific BioCyc
Gammaproteobacteria taxonomy/phylogenetic Encyclopedia of life
GOLD Multi-Isolate Organism: Go0412181 organism-specific Genomes On Line Database
89 records from this provider organism-specific Integrated Microbial Genomes
Gammaproteobacteria taxonomy/phylogenetic Lifemap
OMA taxonomy/phylogenetic OMA Browser: Orthologous MAtrix
Gammaproteobacteria taxonomy/phylogenetic World Register of Marine Species
Wikipedia taxonomy/phylogenetic iPhylo
Groups interested in participating in the LinkOut program should visit the LinkOut home page.
A list of our current non-bibliographic LinkOut providers can be found here.

Information from sequence entries

Show organism modifiers

Disclaimer: The NCBI taxonomy database is not an authoritative source for nomenclature or classification - please consult the relevant scientific literature for the most reliable information.

Reference: How to cite this resource - Schoch CL, et al. NCBI Taxonomy: a comprehensive update on curation, resources and tools. Database (Oxford). 2020: baaa062. PubMed: 32761142 PMC: PMC7408187.

Comments and questions to

[Help] [Search] [NLM NIH] [Disclaimer]