A Dissertation
Submitted to the Council of College of Science/ University of Baghdad in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy (Ph.D.) in Biology/Microbiology
By
Entissar Faroun Ahmed
B.Sc. in Biology/College of Science /University of Baghdad (2002)
M.Sc. in Microbiology/College of Science /University of Baghdad (2010)
Supervised by
Assist. Prof. Dr. Wala’a Shawkat Ali