Proteobacteria are a diverse phylum, comprised with several subclasses: Alphaproteobacteria, Betaproteobacteria, Gammaproteobacteria, Deltaproteobacteria, Epsilonproteobacteria, and Zetaproteobacteria.
The Proteobacteria are commonly occurring in healthy mammalian GI microbiomes and include common human pathogens. Proteobacteria contribute to homeostasis of the anaerobic environment of the gastrointestinal tract. It has a role in protein and sugar degradation and maintaining oxygen homeostasis within the gut.
Proteobacteria Phylum
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