The Purple Bacteria, also called Proteobacteria is the largest and most physiological diverse of all bacteria Beta purple bacteria Chemolithotrophs Chemoorganotrophs Chemoorganotrophs Gamma purple Alpha purple bacteria
1. Rodney F. Boyer, Modern Experimental Biochemistry, Addison-Wesley Publishing Company, Inc., 2000. 2. Keith Wilson and John M. Walker, Principles and techniques of practical biochemistry, Fourth edition, Cambridge University Press, 1994