Tags: Bacteria.
Epsilonproteobacteria is a class of Proteobacteria. All species of this class are like all Proteobacteria Gram-negative.The Epsilonproteobacteria consist of few known genera mainly the curved to spirilloid Wolinella spp. Helicobacter spp. and Campylobacter spp. Most of the known species inhabit the digestive tract of animals and serve as symbionts (Wolinella spp. in cows) or pathogens (Helicobacter spp. in the stomach Campylobacter spp.
