UT Health San Antonio

Steven D. Dallas, Ph.D.

Associate Professor in Clinical Laboratory Sciences

Dr. Steven Dallas is an Associate Professor in Clinical Laboratory Sciences. He is also the Director of the Microbiology Laboratory at University Hospital.

Dr. Dallas earned his PhD in Medical Microbiology from Texas Tech University Health Sciences Center and is board certified in Medical and Public Health Microbiology by the American Board of Medical Microbiology and by the New York State Department of Health in bacteriology, virology, parasitology, mycology, and mycobacteriology.  Dr. Dallas is an experienced clinical microbiology educator, researcher, and practitioner.  He is the section chief (medical director) of the microbiology laboratory at University Hospital.  He also serves as the CLIA laboratory director for San Antonio Metro Health Laboratory.  His research interests include Group A Streptococcus, Mycoplasma pneumoniae, susceptibility testing methods, and collaborative research involving resistance mechanisms.  He is actively involved in teaching pathology residents, infectious disease fellows, pharmacy residents, podiatry residents, medical students, and PA studies and medical laboratory sciences students in the UT Health School of Health Professions.  Dr. Dallas has been an invited speaker at local, regional, national, and international meetings including ASM and ASCP.

His interests include:

  • Antimicrobial susceptibility breakpoints
  • Atmospheric pollen and mold counts
  • Clinical Laboratory Management
  • Clinical Laboratory Science
  • Clinical Microbiology
  • Detection and characterization of glycoproteins.
  • Detection of proteins
  • Development of ELISA techniques 
  • Protein and immunologlobulin detection
  • Purification of bacterial toxins
  • Radiolabeling and autoradiography of proteins
  • Transmission electron microscopy, bacteriophage