Filtering by: Committee Moran Jr., Charles, Emory University Remove constraint Committee: Moran Jr., Charles, Emory University Committee Read, Timothy D, Emory University Remove constraint Committee: Read, Timothy D, Emory University Committee Shafer, William M, Emory University Remove constraint Committee: Shafer, William M, Emory University Research Field Biology, Microbiology Remove constraint Research Field: Biology, Microbiology Research Field Health Sciences, General Remove constraint Research Field: Health Sciences, General School Laney Graduate School Remove constraint School: Laney Graduate School Submission Type Dissertation Remove constraint Submission Type: Dissertation