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Faculty Profile

Doris D'Souza

Doris D'Souza


Molecular Biology


Food Safety and Processing Bldg.
2600 River Dr.
RM 106
Knoxville, TN 37996



Ph.D. Food Science & Technology (Microbiology), The University of Georgia, Athens, GA.
B.S. Microbiology/Biochemistry, St. Xavier's College, University of Mumbai

Interest Areas and Research

Rapid molecular detection of foodborne bacterial and viral pathogens; novel efficacious control and inactivation strategies for foodborne pathogens; survival, fate and transmission of foodborne pathogens in the environment

Click here to visit my lab webpage.

Selected Publications

D’Souza, D.H., F.J. Critzer, and D.A. Golden. 2009. Real-time reverse-transcriptase-PCR (RT-PCR) for the rapid detection of Salmonella using invA primers. Foodborne Path. Dis. 6(9):1-10.

D’Souza, D. H., X. Su, A. Roach, and F. Harte. 2009. High pressure homogenization for the inactivation of human enteric virus surrogates. Journal of Food Protection 72:In Press

Stenske, K.A., D.A. Bemis, B.E. Gillespie, D.H. D’Souza, S.P. Oliver, F.A. Draughon, K.J. Matteson, and J.W. Bartges. 2009. Comparison of clonal relatedness and antimicrobial susceptibility of fecal Escherichia coli from healthy dogs and their owners. Amer. J. Veterinary Research 70:1108-1116.
antos, F.B.O, D. H. D’Souza, L. Jaykus, P. R. Ferket and B.W. Sheldon. 2007. Genotypes, serotypes, and antibiotic resistance profiles of Salmonella isolated from commercial North Carolina turkey farms. Journal of Food Protection. 70(6):1328-1333.

D’Souza, D. H., A.Sair, K.Williams, E.Papafragkou,J. Jean,C.Moore and L.Jaykus.2006.Persistence of Norwalk virus on environmental surfaces and its transfer to food. International Journal of Food Microbiology 108(1):84-91.

Jean, J., D. D’Souza and L. Jaykus. 2004. Multiplex NASBA for the detection of hepatitis A and Norwalk viruses in foods. Applied and Environmental Microbiology 70: 6603-6610.

D’Souza , D. H. and L. A. Jaykus. 2003. NASBA for the rapid and sensitive detection of Salmonella enterica from foods. Journal of Applied Microbiology 95: 1343-1350.

D’Souza, D H. 2003. Methods for virus detection in foods. Journal of the Association for Food and Drug Officials, Invited Review paper, December issue. Vol. 4: 26-37.

Jean, J., D. D’Souza and L Jaykus. 2003. Transcriptional enhancement of RT-PCR for rapid and sensitive detection of enteric viruses. FEMS Microbiology Letters 226: 339-345.

D’Souza, D. H. and L.A. Jaykus. 2002. Zirconium hydroxide effectively immobilizes and concentrates human enteric viruses. Letters in Applied Microbiology 35(5): 414-418.

Sair, A. I., D. H. D’Souza, and L. A. Jaykus. 2002. Human enteric viruses as causes of foodborne diseases. Comprehensive Reviews in Food Science and Food Safety 1 (2): 73-89.

Sair, A. I., D. H. D’Souza, C. L. Moe, and L. A. Jaykus. 2002. Improved detection of human enteric viruses in foods by RT-PCR. Journal of Virological Methods 100 (1-2): 57-69.

D’Souza, D. H. and R. E. Brackett. 2001. Reducing conditions and seryl and sulfhydryl group inhibitors on aflatoxin degradation by Flavobacterium aurantiacum. Journal of Food Protection 64(2): 268-271.

D’Souza, D. H. and R. E. Brackett. 2000. The influence of divalent cations and chelators on aflatoxin B1 degradation by Flavobacterium aurantiacum. Journal of Food Protection 63(1): 102-105.

D’Souza, D. H. and R. E. Brackett. 1998. The role of trace metal ions in aflatoxin B1 degradation by Flavobacterium aurantiacum. Journal of Food Protection 61(12): 1666-1669.

BOOK CHAPTERS (total of 5)

D. H. D’Souza, C. L. Moe, L. Jaykus. 2007. Foodborne Viral Pathogens. Food Microbiology, Fundamentals and Frontiers. Eds, M.P. Doyle, L.R. Beuchat, ASM Press

D. H. D’Souza and L.A. Jaykus. 2006. Rapid Diagnostic Methods in Food Safety: Viruses. Submitted. Encyclopedia of Biotechnology in Agriculture and Food. Eds D. Heldman, A. Bridges, D. Hoover and M. Wheeler. Francis and Taylor group, LLC, New York, NY.

D. H. D’Souza and L. Jaykus. 2006. Molecular Approaches for the Detection of Foodborne Viral Pathogens. In PCR Methods in Foods. Ed. J. Maurer, Springer, New York, NY.

D. H. D’Souza, J. Jean and L. Jaykus. 2006. Methods for Detection of Viral and Parasitic Pathogens. In food. In: Handbook of Food Science, Technology and Engineering. Editors Hui, Y. H et al. (eds) CRC press, Boca Raton, FL.

E.Papafragkou, D. H. D’Souza and L. Jaykus. 2006. Foodborne Transmitted Viruses: Prevention and Control. Ed. S. Goyal, Springer, New York, NY.

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