Animal Sciences > Faculty Index > Kaspar

Charles W. Kaspar, Associate Professor Associate Director, Environmental Toxicology Center                   Department of Animal Sciences; Department of Food Microbiology and Toxicology Food Research Institute University of Wisconsin–Madison 1925 Willow Drive Madison, WI 53706–1187 telephone: 608.263.6936 fax: 608.263.1114 email: cwkaspar@facstaff.wisc.edu home page: http://www.wisc.edu/fri/kaspar.htm PubMed citations

Education:

B.S. University of Nebraska–Omaha, Biology1980
M.S. Iowa State University, Microbiology 1983
Ph.D. Iowa State University, Microbiology 1986
Postdoc, University of Maryland 1986–88

Research Interests:

• Microbial ecology
• Stress-response systems of Gram-negative bacteria
• Molecular and physiological mechanisms of acid tolerance          

Publications:

Choi, S. H., D. J. Baumler, and C. W. Kaspar. Contribution of dps to acid stress tolerance and oxidative stress tolerance in Escherichia coli O157:H7. Appl. Environ. Microbiol. 66:3911–3916 (2000).

Price, S.B., C. M. Cheng, C. W. Kaspar, J. C. Wright, F. J. DeGraves, T. A. Penfound, M. P. Castanie-Cornet, and J. W. Foster. Role of rpoS in acid resistance and fecal shedding of Escherichia coli O157:H7. Appl. Environ. Microbiol. 66:632–637 (2000).

Ansay, S.E., K. A. Darling, and C. W. Kaspar. Survival of Escherichia coli O157:H7 in ground-beef patties during storage at 2, –2, 15 and then –2ºC, and –20ºC. J. Food Prot. 62:1243–1247 (1999).

Byrd, J. J., A. M. Cheville, J. L. Bose, and C. W. Kaspar. Lethality of a heat- and phosphate-catalyzed glucose by-product to Escherichia coli O157:H7 and partial protection conferred by the rpoS regulon. Appl. Environ. Microbiol. 65:2396–2401 (1999).

Roering, A.M., A.M. Ihnot, J.B. Luchansky, C.W. Kaspar, and S.C. Ingham. 1999. Comparative survival of Salmonella typhimurium DT104, Listeria monocytogenes, and Escherichia coli O157:H7 in preservative-free apple cider and simulated gastric fluid. Int. J. Food Microbiol. 46:263–269.

Cheng, C. M., and C. W. Kaspar. Growth and processing conditions affecting acid tolerance in Escherichia coli O157:H7. Food Microbiol. 15:157–166 (1998).

Faith, N. G., N. Parniere, T. Larson, T. D. Lorang, C. W. Kaspar, and J. B. Luchansky. Viability of Escherichia coli O157:H7 in salami following conditioning of batter, fermentation and drying of sticks, and storage of slices. J. Food Prot. 61:377–382 (1998).

Faith, N. G., R. K. Wierzba, A. M. Ihnot, A. M. Roering, T. D. Lorang, C. W. Kaspar, and J. B. Luchansky. Survival of Escherichia coli O157:H7 in full- and reduced-fat pepperoni after manufacture of sticks, storage of slices at 4ºC or 21ºC under air and vacuum, and baking of slices on frozen pizza at 135, 191, and 246ºC. J. Food Prot. 61:383–389 (1998).

Gouveia, S., M. Proctor, M.-S. Lee, J. B. Luchansky, and C. W. Kaspar. Genome comparisons and Shiga toxin production among Escherichia coli O157:H7 isolates from a day care center outbreak and sporadic cases in southeastern Wisconsin. J. Clin. Microbiol. 36:727–733 (1998).

Shere, J. A., K. J. Bartlett, and C. W. Kaspar. Longitudinal study of Escherichia coli O157:H7 dissemination on four dairy farms in Wisconsin. Appl. Environ. Microbiol. 64:1390–1399 (1998).

Ansay, S. E., and C. W. Kaspar. Survey of retail cheeses, dairy processing environments and raw milk for Escherichia coli O157:H7. Lett. Appl. Microbiol. 25:131–134 (1997).

Buchrieser, C., R. Brosch, O. Buchrieser, A. Kristl, J. B. Luchansky, and C. W. Kaspar. Genomic analyses of Salmonella enteritidis phage type 4 strains from Austria and phage type 8 strains from the United States. Zbl. Bacteriol. 285:379–388 (1997).

Parveen, S., R. L. Murphree, L. Edmiston, C. W. Kaspar, K. M. Portier, and M. L. Tamplin. Association of multiple-antibiotic-resistance profiles with point and nonpoint sources of Escherichia coli in Apalachicola Bay. Appl. Environ. Microbiol. 63:2607–2612 (1997).

Cheville, A.M., K.W. Arnold, C.-M. Cheng, C. Buchrieser, and C.W. Kaspar. Role of rpoS in acid tolerance and stress resistance in Escherichia coli O157:H7. Appl. Environ. Microbiol. 61:1822–1824 (1996).

Faith, N.G., J.A. Shere, R. Brosch, K.W. Arnold, S.E. Ansay, M.-S. Lee, J.B. Luchansky, and C.W. Kaspar. Prevalence and clonal nature of Escherichia coli O157:H7 on dairy farms in Wisconsin. Appl. Environ. Microbiol. 62:1519–1525 (1996).

Hinkens, J., N. G. Faith, T. D. Lorang, P. Bailey, D. Buege, C. W. Kaspar, and J. B. Luchansky. Validation of pepperoni processes for control of Escherichia coli O157:H7. J. Food Protect. 59:1260–1266 (1996).

Lee, M.-S., C.W. Kaspar, R. Brosch, J. Shere, and J.B. Luchansky. Pulsed-field genomic fingerprinting of Escherichia coli O157:H7 from dairy calves isolated during the United States National Dairy Heifer Evaluation Project (1991–1992). Vet. Microbiol. 48:223–230 (1996).

Nickelson, R. II, J. Luchansky, C. Kaspar, and E. Johnson. Dry fermented sausage and E. coli O157:H7. National Cattlemen’s Beef Association, Chicago, IL. Research Report. No. 11-316, 11 pp. (1996).

Tamplin, M.L., R.L. Murphree, J. Keith Jackson, V. Ganger, L.G. Miller, C. Buchrieser, and C.W. Kaspar. Pulsed-field gel electrophoresis and ribotype profiles of clinical and environmental Vibrio vulnificus isolates. Appl. Environ. Microbiol. 62:3572–3580 (1996).

Arnold, K.W., and C.W. Kaspar. Starvation- and stationary-phase-induced acid tolerance in Escherichia coli O157:H6. Appl. Environ. Microbiol. 61:2037–2039 (1995).

Buchrieser, C., V.V. Gangar, R.L. Murphree, M.L. Tamplin, and C.W. Kaspar. Multiple Vibrio vulnificus strains in oysters as demonstrated by clamped homogeneous electric field gel electrophoresis. Appl. Environ. Microbiol. 61:1163–1168 (1995).

Faith, N.G., J.A. Shere, R. Brosch, K. Arnold, S. Ansay, M.-S. Lee, J.B. Luchansky, and C.W. Kaspar. Prevalence and clonal nature of Escherichia coli O157:H7 on dairy farms in Wisconsin. Appl. Environ. Microbiol. 62:1519–1525 (1995).

Proctor, M.E., R. Brosch, J.W. Mellen, L.A. Garrett, C.W. Kaspar, and J.B. Luchansky. Use of pulsed-field gel electrophoresis to link sporadic cases of invasive listeriosis with recalled chocolate milk. Appl. Environ. Microbiol. 61:3177–3179 (1995).