Question

State the different classes of microorganisms of the phylum Proteobacteria
and highlight their medical and economic importance

Answer 1

Different classes of microorganisms of the phylum Proteobacteria include Alphaproteobacteria, Betaproteobacteria, Gammaproteobacteria, Deltaproteobacteria, and Epsilonproteobacteria.

The proteobacteria are responsible for nitrogen fixationn and their economic importance is maintaining soil pH and in elementary cycling.