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 tracts of animals and serve as symbionts ( Wolinella spp. in cattle) or pathogens ( Helicobacter spp. in the stomach, Campylobacter spp. in the duodenum).What is Proteobacteria?
Also referred to as "Purple bacteria and relatives", Proteobacteria makes up one of the largest phyla and most versatile phyla in the Bacteria domain. As such, it consists of several types of bacterial that include phototrophs, chemolithotrophs and heterotrophs. Today, well over 460 genera and 1600 species of the phylum have been identified.What are the different classes of Proteobacteria?
In total, six well-recognized classes (Gammaproteobacteria, Alphaproteobacteria, Betaproteobacteria, Deltaproteobacteria, Epsilonproteobacteria, and Zetaproteobacteria) were observed, among which Gammaproteobacteria (31.70-42.23%) in the R-samples and Alphaproteobacteria (22.13-25.40%) in the S-samples were the top two most abundant classes.What is the importance of morphological characteristics of filamentous Proteobacteria?
Morphological characteristics of these organisms play an important role given that it can influence survival in thier environments. In aquatic environments, filamentous proteobacteria can move easily from one area to another and therefore to favorable environments.