Recent Publications
- Johnson, T.R. and C. Case. 2004. Laboratory Experiments in Microbiology, Brief Edition. Seventh Edition. Benjamin/Cummings Publishing Company, Menlo Park, CA.
- Case, C. and T.R. Johnson. 2004. Instructor's Guide for Laboratory Experiments in Microbiology. Seventh Edition. Benjamin/Cummings Publishing Co., Menlo Park, CA.
- B.T. Walton, A.M. Hoylman, M.M. Perez, T.A. Anderson, T.R. Johnson, E.A. Guthrie and R.F. Christman. 1994. Rhizosphere microbial communities as a plant defense against toxic substances in soils. IN Anderson, T.A. and J.R. Coats, eds. Microbial Degradation of Organic Chemicals in the Rhizosphere. ACS Symposium Series, American Chemical Society.
Manuscripts in Preparation
- Johnson, T.R. and R.J. North. Age-determined increase and subsequent decrease in immunological-mediated resistance to an immunogenic tumor. (In preparation.)
- Johnson, T.R. and R.J. North. Immunological consequences of adult thymectomy and aging: Decline after thymectomy in resistance to growth of an immunogenic tumor occurs slowly with aging. (In preparation.)
Selected Lectures and Papers Delivered
- Sargent, E. and T. Johnson. Coliform and Chlorine Sensitivity in Water. Minnesota Academy of Science, St. Paul MN. 2001.
- Johnson, T.R. Life at a Liberal Arts College. Distinguished Lectureship in Cancer Research at the Eppley Institute, Omaha NE. 1997.
- Johnson, T.R. Teaching as a Profession. Seminar presented at the Mayo Clinic. 1995.
