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Food Science & Technology: Personnel

Ynes Ortega

Dr. Ynes Ortega

Associate Professor

Center for Food Safety
Department of Food Science & Technology
University of Georgia
1109 Experiment St.
Griffin, GA 30223-1791

Office Phone: (770) 233-5587

Ortega photo


Description of Research Interests

  • Parasitology
  • Detection of human and animal pathogenic parasites in food, biological and environmental samples; pathogenesis of coccidian parasites with emphasis on Crytosporidium parvum and Cyclospora cayetanensis
  • Methods for parasites inactivation in food products

Invention Disclosures and Discoveries

  • Monoclonal antibodies unique to Entamoeba histolytica trophozoite determinants. Invention conceived on May 16, 1988. University of Arizona, UP #920. Licensed to Meridian Diagnostics, Inc.
  • Monoclonal antibodies unique to Trichomonas vaginalis trophozoite determinants. Invention conceived on Dec. 23, 1988. University of Arizona, UP #922. Licensed to Meridian Diagnostics, Inc.
  • Discovery of a new coccidian parasite in humans: Cyclospora cayetanensis. Organisms deposited at the U.S. National Museum (USNM) Parasite Collection. 1994. Beltsville, Maryland. National Parasite Accession #83416 document #79; vial (MK161F).

Selected Recent Publications

Robertson, L.J., H. Sprong, Y.R. Ortega, J.W.B. van der Giessen, and R. Fayer. 2013. Impacts of globalisation on foodborne parasites. Trends Parasitol. In Press.

Wang, Q., M.C. Erickson, Y. Ortega, and J.L. Cannon. 2013. Physical removal and transfer of murine norovirus and hepatitis A virus from contaminated produce by scrubbing and peeling.  J. Food Prot. 76:85-92.

Wang, Q., M. Erickson, Y.R. Ortega, and J.L. Cannon. 2013. The fate of murine norovirus and hepatitis A virus during preparation of fresh produce by cutting and grating.  Food Environ. Virol. DOI 10.1007/s12560-012-9099-4.

Ben Ayed, L., W.L. Yang, G. Widmer, V. Cama, Y. Ortega, and L.H. Xiao. 2012. Survey and genetic characterization of wastewater in Tunisia for Cryptosporidium spp., Giardia duodenalis, Enterocytozoon bieneusi, Cyclospora cayetanensis and Eimeria spp. J. Wat. Hlth. 10:431-444.

Kvac, M., M. Kestranova, D. Kvetonova, M. Kotkova, Y. Ortega, J. McEvoy, and B. Sak. 2012. Cryptosporidium tyzzeri and Cryptosporidium muris originated from wild West-European house mice (Mus musculus domesticus) and East-European house mice (Mus musculus musculus) are non-infectious for pigs.  Expt. Parasitol. 131:107-110.

Ortega, Y.R., M.P. Torres, and J.M. Tatum. 2011. Efficacy of levulinic acid-sodium dodecyl sulfate against Encephalitozoon intestinalis, Escherichia coli O157:H7, and Cryptosporidium parvum. J. Food Prot. 74:140-144.

Nundy, S., R.H. Gilman, L.H. Xiao, L. Cabrera, R. Cama, Y.R. Ortega, G. Kahn, and V.A. Cama. 2011. Wealth and its associations with enteric parasitic infections in a low-income community in Peru. Use of principal component analysis. Am. J. Trop. Med. Hyg. 84:38-42.

Cardenas, V.M., K.D. Mena, M. Ortiz, S. Karri, E. Variyam, C.B. Behravesh, K.F. Snowden, A. Flisser, J.R. Bristol, L.F. Mayberry, Y.R. Ortega, Y. Fukuda, A. Campos, and D.Y. Graham. 2010. Hyperendemic H. pylori and tapeworm infections in a US-Mexico border population. Publ. Health Rept. 125:441-447.

Cooper, M.A., C.R. Sterling, R.H. Gilman, V. Cama, Y. Ortega, and R.D. Adam. 2010. Molecular analysis of household transmission of Giardia lamblia in a region of high endemicity in Peru. J. Infect. Dis. 202:1713-1721.

Ortega, Y.R. and R. Sanchez. 2010. Update on Cyclospora cayetanensis, a food-borne and waterborne parasite. Clin. Microbiol. Rev. 23:218-234.


University of Georgia (UGA) College of Agricultural and Environmental Sciences (CAES)