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Knabel, S. J., H. W. Walker,
P. A. Hartman, and A. F. Mendonca. 1990. Effects of growth temperature and strictly
anaerobic recovery on the survival of Listeria monocytogenes during pasteurization.
Appl. Environ. Microbiol. 56:370-376. Knabel,
S. J., H. W. Walker, and P. A. Hartman. 1991. Inhibition of Aspergillus flavus
and selected Gram-positive bacteria by chelation of essential metal cations by
polyphosphates. J. Food Protect. 54:360-365. Kim,
J. W., S. J. Knabel, and S. Doores. 1993. Penetration of Salmonella typhimurium
into turkey skin. J. Food Prot. 56:292-296. Catalano,
C. R., and S. J. Knabel. 1994. Incidence of Salmonella in Pennsylvania
egg processing plants and destruction by high pH. J. Food Prot. 57: 587-591. Catalano,
C. R., and S. J. Knabel. 1994. Destruction of Salmonella enteritidis by
high pH and rapid chilling during simulated commercial egg processing. J. Food
Prot. 57:592-595. Karr,
K. J., A. N. Maretzki, and S. J. Knabel. 1994. Meat and poultry companies assess
USDA's Hazard Analysis and Critical Control Point system. Food Technol. 48:117-122.
Knabel, S. J.,
and S. A. Thielen. 1994. Enhanced recovery of severely heat-injured, thermotolerant
Listeria monocytogenes from USDA and FDA primary enrichment media using
a novel, simple, strictly anaerobic method. J. Food Prot. 58:29-34.
Mendonca, A. F., and S. J. Knabel. 1994. A novel one-step enrichment system incorporating
lithium for the detection of severely heat-injured Listeria monocytogenes
in milk containing background microflora. Appl. Environ. Microbiol. 60:4001-4008.
Mendonca, A.
F., T. L. Amoroso, and S. J. Knabel. 1994. Destruction of gram-negative food-borne
pathogens by high pH involves disruption of the cytoplasmic membrane. Appl. Environ.
Microbiol. 60:4009-4014. Knabel,
S. J. 1995. Foodborne illness: role of home food handling practices (Scientific
Status Summary). Food Technology 49(4):119-131. Fajardo,
T. A., R. C. Anantheswaran, V. M. Puri, and S. J. Knabel. 1995. Penetration of
Salmonella enteritidis into eggs subjected to rapid cooling. J. Food Prot.
58:473-477. Teo,
Y.-L., T. J. Raynor, K. R. Ellajosyula, and S. J. Knabel. 1996. Synergistic effect
of high temperature and high pH on the destruction of Salmonella enteritidis
and Escherichia coli O157:H7. J. Food Prot. 59:1023-1030. Woody,
J. L., R. A. Wilson and S. J. Knabel. 1998. Screening for E. coli O157:H7
in fresh and frozen ground beef using the Difco EZ ColiTM rapid detection system.
J. Food Prot. 61:110-112. Ellajosyula,
K., R. A. Wilson, S. Doores, and S. J. Knabel. 1998. Destruction of Escherichia
coli O157:H7 and Salmonella typhimurium in Lebanon bologna by interaction
of fermentation pH, heating temperature and time. J. Food Prot. 61:152-157. Alavi,
S. H., V. M. Puri, S. J. Knabel, R. H. Mohtar, and R. C. Whiting. 1999. Development
and validation of a dynamic growth model for Listeria monocytogenes in
fluid whole milk. J. Food Prot. 62:170-176. Woody,
J. L., R. A. Walsh, S. Doores, W. R. Henning, R. A. Wilson, and S. J. Knabel.
2000. Role of Bacterial Association and Penetration on Destruction of Escherichia
coli O157:H7 in Beef Tissue by High pH. J. Food Prot. 63:3-11.
Teo, Y.-L. and S. J. Knabel. 2000. Development of a Simple Recovery-Enrichment
System for Enhanced Detection of Heat-Injured Listeria monocytogenes in
Pasteurized Milk. J. Food Prot. 63:441-444. Suh,
J.-H., and S. J. Knabel. 2000. Comparison of different reducing agents for enhanced
detection of heat-injured Listeria monocytogenes. J. Food Prot. 63:1058-1063.
Suh, J.-H, and
S. J. Knabel. 2001. Comparison of different enrichment broths and background flora
for detection of heat-injured Listeria monocytogenes in whole milk. J.
Food Prot. 64:30-36. Chikthimmah,
N., R. B. Guyer, and S. J. Knabel. 2001. Validation of a 5-Log10 reduction of
Listeria monocytogenes following simulated commercial processing of Lebanon
bologna in a model system. J. Food Prot. 64:873-876. Chikthimmah,
N. and S. J. Knabel. 2001. Survival of Escherichia coli O157:H7, Salmonella
Typhimurium and Listeria monocytogenes in and on vacuum-packaged Lebanon
bologna stored at 3.6 and 13.0°C. J. Food Prot. 64:958-963. Teo,
A. Y.-L., G. R. Ziegler, and S. J. Knabel. 2001. Optimizing detection of heat-injured
Listeria monocytogenes in pasteurized milk. J. Food Prot. 64:1000-1011.
Chikthimmah,
N., R. Anantheswaran, R. F. Roberts, E. W. Mills and S. J. Knabel. 2001. Influence
of sodium chloride on growth of lactic acid bacteria and subsequent destruction
of Escherichia coli 0157:H7 during processing of Lebanon bologna. J. Food
Prot. 64:1145-1150. Chen,
H., R. C. Anantheswaran, and S. J. Knabel. 2001. Optimization of iron supplementation
for enhanced detection of Salmonella enteritidis in eggs. J. Food Prot.
64:1279-1285. Knabel,
S. J. 2002. Optimized one-step, recovery-enrichment broth for enhanced detection
of Listeria monocytogenes in pasteurized milk and hot dogs. J. AOAC Int.
85:501-504. Chen,
H., R. C. Anantheswaran, and S. J. Knabel. 2002. Effect of rapid cooling on the
growth and penetration of Salmonella Enteritidis into egg contents. J.
Food Safety 22:255-271. Kieras,
S. J., E. W. Mills, S. J. Knabel, and A. N. Maretzki. 2003. Validation of pathogen
destruction during manufacture of a meat-based potato snack (Chiparoo). J. Food
Processing Preservation 26:385-399.
Parameswaran, S., R. B. Guyer and S. J. Knabel. 2004. Simple oPSU Broth-Bax PCR-PicoGreen
system for rapid detection of Listeria monocytogenes in pasteurized milk
and hot dogs. J. Food Safety 23:233-248.
Zhang, W., B. Jayarao, and S. J. Knabel. 2004. Multi-Virulence-Locus-Sequence
Typing of Listeria monocytogenes. Appl. Environ. Microbiol. 70: 913-920.
Knabel, S. J.
2004. Food biosecurity in the U.S. Microbiology Australia 25:10-16. Zhang,
W., G. Wilt, A. Hughs, and S. J. Knabel. 2004. The BAX PCR for screening Listeria
monocytogenes targets a partial putative gene lmo 2234 similar to iolE. J.
Food Prot. 67:1507-1511. Bull,
M. K., M. M. Hayman, C. M. Stewart, E. A. Szabo and S. J. Knabel. 2005. Effect
of prior growth temperature, type of enrichment medium, and temperature and time
of storage on recovery of Listeria monocytogenes following high pressure
processing of milk. Int. J. Food Microbiol. 101:53-61 Zhang,
W., and S. J. Knabel. 2005. Development of a multiplex PCR assay for simultaneous
species- and serotype-specific detection, and DNA sequence-based subtyping of
Listeria monocytogenes. J. Food Prot. 68:1907-1910. Chen,
Y., Zhang W. and S. J. Knabel. 2005. Multi-virulence-locus sequence typing clarifies
the epidemiology of two recent listeriosis outbreaks. J. Clin. Microbiol. 43:5291-5294.
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Iowa State University, Microbiology and Food Technology, Ph.D., 1989