This course is one of the elective courses in the study plan of the bachelor's degree program in Microbiology. It presents introduction to microbial taxonomy, identification of unknown micro-organisms using traditional methods (phenotypic properties and biochemical characteristics). In addition, the molecular basis in classification. Also, in this course the student will know the importance of Polymerase Chain Reaction (PCR) in microbial classification as well as how to use the rules of nomenclature in the microbial taxonomy.