IDnature guide Groups Bacteria Kinds Alphaproteobacteria Betaproteobacteria Deltaproteobacteria Epsilonproteobacteria Gammaproteobacteria Overview A large and extremely diverse group of Gram-negative bacteria that includes many pathogens, nitrogen fixers, and photosynthesizers. Includes the alpha, beta, gamma, delta, and epsilon proteobacteria Phylogeny Tree of Life Links to other sites Anoxygenic Photosynthetic Bacteria: Proteobacteria, College of Chemical & Life Sciences, University of Maryland Proteobacteria, Wikipedia Acknowledgements Ashley MacDonald, University of Georgia, Athens I thank John Pickering for his assistance with the development of this page. Supported by National Biological Information Infrastructure National Science Foundation go to Discover Life's Facebook group Updated: 2024-05-04 22:46:22 gmt Discover Life | Top © Designed by The Polistes Corporation