Bacteria > Proteobacteria

Proteobacteria (Bacteria)

Wikipedia Abstract

The Proteobacteria are a major group (phylum) of Gram-negative bacteria. They include a wide variety of pathogens, such as Escherichia, Salmonella, Vibrio, Helicobacter, Yersinia, and many other notable genera.Others are free-living (nonparasitic), and include many of the bacteria responsible for nitrogen fixation. Gammaproteobacteria are the largest subgroup which includes Acinetobacter, Pseudomonas, Escherichia, Salmonella, and Serratia species.
View Wikipedia Record: Proteobacteria


Alphaproteobacteria (Alphaproteobacteria) (1,101)
Betaproteobacteria (Betaproteobacteria) (511)
Deltaproteobacteria (Deltaproteobacteria) (269)
Epsilonproteobacteria (Epsilonproteobacteria) (95)
Gammaproteobacteria (Gammaproteobacteria) (1,595)   (1)   (4)
Zetaproteobacteria (1)

(...) = Species count
(...) = Endangered count
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