Pathobiology Faculty R. Curtis Bird Professor, Pathobiology Molecular genetics of eukaryotic cell cycle regulation; gene expression and regulation; regulatory mechanisms involving oncogene and tumor suppressor gene mediated transformation and cell cycle control; genetic defects in breast cancer cells. Byron L. Blagburn Distinguished Professor, Pathobiology Immunology, development, pathogenesis, ultrastructure, and in vitro cultivation of parasitic protozoa (i.e., Cryptosporidium, Eimeria, Isospora, Toxoplasma, Neospora, Sarcocystis); chemotherapy of parasitic helminths and arthropods. Timothy R. Boosinger Professor and Dean  Gastrointestinal pathology; orthopedic pathology; ophthalmic pathology. Mary K. Boudreaux Professor, Pathobiology Congenital and acquired platelet function defects; comparative platelet pathophysiology; congenital and acquired disorders of coagulation proteins. Kenny V. Brock Professor, Pathobiology Infectious diseases of cattle; molecular virology; diagnostic microbiology. Nancy R. Cox Associate Professor, Pathobiology and Interim Director, Scott Ritchey Research Center Neuropathology; comparative pathology; animal models of human diseases. Christine C. Dykstra Associate Professor, Pathobiology  Infectious diseases, molecular parasitology, molecular mechanisms of drug action Sandra J. Ewald Professor, Pathobiology Immunogenetics of chickens/genetic resistance to disease  M. Daniel Givens Associate Professor, Pathobiology Reproductive diseases of cattle; antiviral chemotherapeutics; advanced reproductive techniques.   Charles M. Hendrix Professor, Pathobiology Parasite/host interactions; canine heartworm disease.   Frederic J. Hoerr Professor, Pathobiology Director - Alabama State Diagnostic Laboratory Avian diseases; avian pathology; mycotoxicoses; diagnostic techniques.   Michael H. Irwin Research Associate Professor and Director, AU Transgenic Facility, Pathobiology Animal transgenesis and modeling of human disease; mitochondrial genetics Calvin M. Johnson Professor and Head, Pathobiology Anatomic pathology, thymus pathophysiology, feline immunodeficiency virus (FIV), feline heartworm disease, feline lymphoma. Kellye S. Joiner Assistant Professor, Pathobiology Avian pathology, genetic resistance to common poultry pathogens, diagnostic pathology Bernhard Kaltenboeck Professor, Pathobiology Molecular biology of Chlamydia infection and pathogenesis. Genetic analysis of outer membrane protein genes and investigation of speciation in Chlamydia species.   Joseph C. Newton Associate Professor, Pathobiology Pathogenesis of bacterial diseases of fish; analysis of virulence determinants of Edwardsiella ictaluri; canine and equine pythiosis.  Kenneth E. Nusbaum Associate Professor, Pathobiology Public Health and Infectious Diseases Valery A. Petrenko Professor, Pathobiology Combinatorial Chemistry, Phage Display and Biodetection  Carl A. Pinkert Professor, Pathobiology and Associate Dean for Research and Graduate Studies Animal transgenesis; mitochondrial genetics and molecular medicine; animal modeling of human disease Stuart B. Price Associate Professor, Pathobiology Molecular biology of bacterial pathogens; microbiology of host/parasite interactions. Pre-harvest food safety; E. coli O157:H7 in cattle.   Eva A. Sartin Professor, Pathobiology Tumor pathobiology; reproductive hormones in primary mammary tumors and cell lines; neurofibromatosis; skin and reproductive pathology.  Bruce F. Smith Associate Professor, Pathobiology and Scott Ritchey Research Center Molecular basis of inherited disease; animal models of human disease; methods of gene transfer and gene therapy, with emphasis on muscle, myopathies and cancer; muscle and tumor specific gene expression. Elizabeth Spangler Assistant Professor, Pathobiology Clinical Pathology.   Jennifer A. Spencer Instructor in Immunology Investigation of cell mediated immune responses to infectious diseases with an emphasis on parasite infections. David A. Stringfellow Emeritus Professor, Pathobiology Clinical and laboratory applications of in vitro fertilization in cattle; embryo-pathogen interactions; epidemiology of embryo transfer; agricultural emergency response. Haroldo Toro Professor, Pathobiology Avian virology and vaccinology. Frederik W. van Ginkel Assistant Professor, Pathobiology Immunology Vicky L. van Santen Associate Professor, Pathobiology Molecular virology, viral diseases of poultry, chicken anemia virus, infectious bronchitis virus, host/viral interactions, effect of immunosuppressive viruses on pathogenesis of other infectious agents, viral variation, host selection of viral variants. Paul Walz  Associate Professor, Pathobiology and Clinical Sciences Pathogenesis of Bovine Viral Diarrhea Virus (BVDV); medical and surgical conditions affecting food animals Richard C. Weiss Associate Professor, Pathobiology Feline viral disease; diagnostic pathology. Elizabeth G. Welles Professsor, Pathobiology Coagulation and fibrinolysis; clinical pathology. Elizabeth M. Whitley Assistant Professor, Pathobiology Pathology James C. Wright Associate Professor, Pathobiology  Epidemiology of infectious diseases; transmission of vector-borne diseases; prevention and control of zoonoses