UW-Madison Dept of Bacteriology
Pictures of EAJ Eric A. Johnson

Professor of Bacteriology

6303 Microbial Sciences Building
1550 Linden Drive

Office: (608) 263-7944
Lab: (608) 263-9263
email icon for Johnsoneajohnso@wisc.edu

B. S. 1976 University of California, Davis
M. S. 1978 University of California, Davis
Sc. D. 1983 Massachusetts Institute of Technology
Postdoctoral Research: Harvard Medical School
Start and Promotion Dates
  • Assistant Professor: 1985
  • Associate Professor: 1990
  • Full Professor: 1996
Research Focus

Interspecies transfer of the gene coding for botulinum toxins.
Regulation of expression of botulinum toxins.
Purification, stabilization, and characterization of botulinum toxins.
Development of botulinum toxin as a pharmaceutical.
Behavior and control of Clostridium botulinum in foods.
Assessment of the safety of new food processing procedures, e.g., modified atmosphere packaging, on safety from botulism.
Characterization and application in foods of naturally occurring antimicrobials, including lactoperoxidase, lactoferrin, monoglycerides, polyacetylenes, lysozyme, and other lytic enzymes.
Behavior and control of Listeria monocytogenes in foods.
Control of pathogens in reduced fat cheeses.

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Department of Bacteriology
University of Wisconsin-Madison
Microbial Sciences Building
1550 Linden Dr. Madison, WI 53706

Phone (608) 262-2914
Department Chair: Richard Gourse
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