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Gammaproteobacteria

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Gammaproteobacteria is a class of bacteria in the phylum Pseudomonadota (synonym Proteobacteria). It contains about 250 genera, which makes it the most genus-rich taxon of the Prokaryotes. Several medically, ecologically, and scientifically important groups of bacteria belong to this class. All members of this class are Gram-negative. It is the most phylogenetically and physiologically diverse class of the Pseudomonadota.

Species

CLASS

  1. KingdomBacteria
  2. PhylumProteobacteria
  3. ClassGammaproteobacteria
Habitatmarine, brackish, freshwater
Observations recorded15,902,046

via GBIF

Museum specimens

Specimen records
2
Collections
CIIDIR-IPN
Recorded in
Mexico

Research

642,757 papers

via PubMed

Wikidata facts

Instance of
taxon
Parent taxon
Pseudomonadota
Image
Vibrio cholerae.jpg
Show 10 more facts
topic's main category
Category:Gammaproteobacteria
taxon rank
class
taxon name
Gammaproteobacteria
Commons category
Gamma Proteobacteria
taxon common name
Гамма-протеобактерии
taxonomic type
Pseudomonas
taxon author citation
Garrity et al. 2005
Sources (2)

via Wikidata · CC0

~12 min read

Encyclopedic overview

10 sections
Contents
  • Etymology
  • Phylogeny
  • Significance and applications
  • Ecology
  • Metabolism
  • Symbiosis
  • Pathogens
  • See also
  • References
  • External links

Gammaproteobacteria is a class of bacteria in the phylum Pseudomonadota (synonym Proteobacteria). It contains about 250 genera, which makes it the most genus-rich taxon of the Prokaryotes. Several medically, ecologically, and scientifically important groups of bacteria belong to this class. All members of this class are Gram-negative. It is the most phylogenetically and physiologically diverse class of the Pseudomonadota.

Members of Gammaproteobacteria live in several terrestrial and marine environments, in which they play various important roles, including in extreme environments such as hydrothermal vents. They can have different shapes, rods, curved rods, cocci, spirilla, and filaments, and include free living bacteria, biofilm formers, commensals and symbionts; some also have the distinctive trait of being bioluminescent. Diverse metabolisms are found in Gammaproteobacteria; there are both aerobic and anaerobic (obligate or facultative) species, chemolithoautotrophics, chemoorganotrophics, photoautotrophs and heterotrophs.

Excerpted from Wikipedia’s “Gammaproteobacteria” article, available under the CC BY-SA 4.0 licence.