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Overview of Research Program
- Safety of low water activity foods
- Safety of fresh fruits and vegetables
- Pre-harvest ecology and control of foodborne pathogens
- Safety of organic foods
- Safety of dairy foods
- Stress responses of foodborne pathogens
- Education of food service Hispanic workers
Publications
(2010 - present) Search PubMed
Gędas A, Draszanowska A, den Bakker H, Diez-Gonzalez F, Simões M, Olszewska MA.2023. Prevention of surface colonization and anti-biofilm effect of selected phytochemicals against Listeria innocua strain. Colloids Surf B Biointerfaces. 228:113391. doi: 10.1016/j.colsurfb.2023.113391.
Olszewska MA, Dev Kumar G, Hur M, Diez-Gonzalez F. 2023. Inactivation of dried cells and biofilms of Listeria monocytogenes by exposure to blue light at different wavelengths and the influence of surface materials. Appl Environ Microbiol. 89(10):e0114723. doi: 10.1128/aem.01147-23.
Chick, M, Lourenco A. Maserati A, Fink RC, Diez-Gonzalez F. 2022. Thermal death kinetics of three representative Salmonella enterica strains in toasted oats cereal. Microorgan., 10, 1570. https://doi.org/10.3390/microorganisms10081570.
Esseili, MA, Mann A, Narwankar R, Kassem II, Diez-Gonzalez F, Hogan J. 2022. SARS-CoV-2 remains infectious for at least a month on artificially-contaminated frozen berries. Food Microbiol. 107:104084. doi: 10.1016/j.fm.2022.104084.
Olszewska MA, Diez-Gonzalez F. 2021. Characterization of binary biofilms of Listeria monocytogenes and Lactobacillus and their response to chlorine treatment. Front. Microbiol. https://www.frontiersin.org/articles/10.3389/fmicb.2021.638933/full
Den Bakker M, den Bakker HC, Diez-Gonzalez F. 2021. Heat inactivation of Listeria monocytogenes on pecans, macadamia nuts, and sunflower seeds. Microbiol. Spect. 9: e01134-21. https://pubmed.ncbi.nlm.nih.gov/34643447/
Smith CJ, Olszewska MA, Diez-Gonzalez F. 2021. Selection and application of natural antimicrobials to control Clostridium perfringens in sous-vide chicken breasts. Int J Food Microbiol. 347:109193. doi: 10.1016/j.ijfoodmicro.2021.109193.
Lamm KW, Randall NL, Diez-Gonzalez F. 2021. Critical food safety issues facing the food industry: A Delphi Analysis. J Food Prot. 84:680-687. doi: 10.4315/JFP-20-372.
Forghani F, Li S, Zhang S, Mann DA, Deng X, den Bakker HC, Diez-Gonzalez F. 2020. Salmonella enterica and Escherichia coli in wheat flour: detection and serotyping by a quasimetagenomic approach assisted by magnetic capture, multiple-displacement amplification, and real-time sequencing. Appl Environ Microbiol. 86(13):e00097-20. doi: 10.1128/AEM.00097-20.
Gadotti C, Forghani F, and Diez-Gonzalez F. 2020. Evaluation of single and combined antimicrobial treatments to inhibit Salmonella in queso fresco. Food Microbiol. 85: 103286 https://doi.org/10.1016/j.fm.2019.103286.
Deen B, Diez-Gonzalez, F. 2019. Assessment of Pediococcus acidilactici ATCC 8042 as potential Salmonella surrogate for thermal treatments of toasted oats cereal and peanut butter. Food Microbiol. 83:187-192. https://pubmed.ncbi.nlm.nih.gov/31202412/
Forghani F, den Bakker M, Liao J-Y, Payton AS, Futral AN, Diez-Gonzalez F. 2018. Salmonella and enterohemorrhagic Escherichia coli serogroups O45, O121, O145 in wheat flour: effects of long-term storage and thermal treatments. Front. Microbiol. https://doi.org/10.3389/fmicb.2019.00323.
Kirkland, C, Black E, Forghani F, Pomraning A, Sadowsky MJ, Diez-Gonzalez F. 2019. Room temperature growth of Salmonella enterica serovar Saintpaul in fresh Mexican salsa. J Food Prot. 82: 102-108.
Shaughnessy, MK, Snider T, Sepulveda R, Boxrud D, Cebelinski E, Jawahir J, Holzbauer S, Johnston BD, Smith K, Bender JB, Thuras P, Diez-Gonzalez F, Johnson JR. 2018. Prevalence and molecular characteristics of Clostridium difficile in retail meats, food producing and companion animals, and humans in Minnesota. J. Food Prot. 81: 1635–1642.
Forghani F, den Bakker M, Futral AN, Diez-Gonzalez F. 2018. Long-term survival and thermal death kinetics of enterohemorrhagic Escherichia coli serogroups O26, O103, O111 and O157 in wheat flour. Appl Environ Microbiol. 84. pii: e00283-18. doi: 10.1128/AEM.00283-18.
Foutz, C. A. S.M. Godden, J. B. Bender, F. Diez-Gonzalez, M. L. Akhtar, A. Vatulin. 2018. Exposure to antimicrobials through the milk diet or systemic therapy is associated with a transient increase in antimicrobial resistance in fecal Escherichia coli of dairy calves. J. Dairy Sci. doi: 10.3168/jds.2018-14598
Maserati A, Lourenço A, Diez-Gonzalez F, and Fink RC. 2018. iTRAQ-based global proteomic analysis of Salmonella enterica serovar Typhimurium in response to desiccation, low aw, and thermal treatment. Appl Environ Microbiol doi: 10.1128/AEM.00393-18.
Maserati A, Fink RC, Lourenco A, Julius ML, Diez-Gonzalez F. 2017 General response of Salmonella enterica serovar Typhimurium to desiccation: a new role for the virulence factors sopD and sseD in survival. PLOS One https://doi.org/10.1371/journal.pone.0187692
Tong, C., M. Scherman, F. Diez-Gonzalez, and J. D. Rossbach. 2017. Food safety risks of leafy greens from small-acreage farms in Minnesota. J. Ext. 55: 4RIB4
Rossbach, J. D., R. C. Fink, M. J. Sadowsky, C. Tong, and F. Diez-Gonzalez, 2017. Factors Influencing the Salmonella Internalization into Seedpods and Whole Plants of Arachis hypogaea (L.). Food Microbiol. 66: 184–189.
Fink, R. C., J. M. Popowski, J. E. Anderson, J. L. Tran, S. Kalyanikutty, G. I. Crawford, A. DiCostanzo, R. B. Cox and F. Diez-Gonzalez. 2017. Impact of distillers grain solids (DGS) and seasonality on the prevalence of Escherichia coli O157 at an abattoir in the U. S. Upper Midwest. J. Appl. Anim. Res. http://dx.doi.org/10.1080/09712119.2017.1288628
Lourenço, A., M. B. Kamnetz, C. Gadotti, F. Diez-Gonzalez. 2017. Antimicrobial treatments to control Listeria monocytogenes in queso fresco. Food Microbiol. 64: 47-55. DOI: 10.1016/j.fm.2016.12.014
Akhtar, M., S. Viazis, K. Christensen, P. Kraemer, F. Diez-Gonzalez. 2017. Isolation, characterization and evaluation of virulent bacteriophages against Listeria monocytogenes Food Control. 75: 108-115. DOI: 10.1016/j.foodcont.2016.12.035
Akhtar, M., A. Maserati, F. Diez-Gonzalez. 2016. Does antibiotic resistance influence shiga-toxigenic Escherichia coli O26 and O103 survival to stress environments? Food Control 8:330-336.
Viazis S., T. P. Labuza, and F. Diez-Gonzalez. 2015. Bacteriophage mixture inactivation kinetics against Escherichia coli O157:H7 on hard surfaces. J. Food Safety 35: 66-74.
Hamilton K. E., J. Umber, A. Hultberg, C. Tong, M. Schermann, F. Diez-Gonzalez, and J.B. Bender. 2015. Validation of good agricultural practices (GAP) on Minnesota vegetable farms. Foodborne Pathog. Dis. 12:145-50.
Cherry C., A. H. Mohr, T. Lindsay, F. Diez-Gonzalez, W. Hueston, and F. Sampedro. 2014. Knowledge and perceived implementation of food safety risk analysis framework in Latin America and the Caribbean region. J Food Prot. 77:2098-105.
Martinez-Vaz, B., R. C. Fink, F. Diez-Gonzalez, and M. J. Sadowsky. 2014. Enteric pathogen-plant interactions: Molecular connections leading to colonization and growth and implications for food safety. Microbes and Environments 29: 123-135.
Gadotti, C., L. Nelson, and F. Diez-Gonzalez 2014. Inhibitory effect of combinations of caprylic acid and nisin on Listeria monocytogenes in queso fresco. Food Microbiol. 39:1-6.
Akhtar, M., S. Viazis, and F. Diez-Gonzalez. 2014. Isolation, identification and characterization of lytic, wide host range bacteriophages from waste effluents against Salmonella enterica serovars. Food Cont. 38:67-74.
Lumor, S. E., B. D. Deen, I. Ronningen, K. Smith, N. R. Fredrickson, F. Diez-Gonzalez, T. P. Labuza. 2013. Assessment of the inhibition of ricin toxicity by lactose in milk. J. Food Prot. 76:2037-39.
Cho, S., F. Diez-Gonzalez, C. P. Fossler, S. J. Wells, C. W. Hedberg, J. B. Kaneene, P. L. Ruegg, L. D. Warnick, and J. B. Bender. 2013. Herd-level risk factors associated with fecal shedding of Shiga toxin-encoding bacteria on dairy farms in Minnesota, USA. Can. Vet. J. 54:693-697.
Pimentel-Filho, N. J., H. C. Mantovani, F. Diez-Gonzalez, and M. C. Dantas. 2013. Inhibition of Listeria and Staphylococcus aureus by bovicin HC5 and nisin combination in milk. J. Agric. Sci. 8:188:196.
Hystead, E., F. Diez-Gonzalez, and T. C. Schoenfuss. 2013. The effect of sodium reduction with and without potassium chloride on the survival of Listeria monocytogenes in Cheddar cheese. J. Dairy Sci. 96:6172-6185.
Hou, Z., R. C. Fink, M. Sugawara, F. Diez-Gonzalez, and M. J. Sadowsky. 2013. Transcriptional and functional responses of Escherichia coli O157:H7 growing in the lettuce rhizoplane. Food Microbiol. 35:136-142.
Yang, H., J. Feirtag, and F. Diez-Gonzalez. 2013. Sanitizing effectiveness of commercial “active water” technologies on Escherichia coli O157:H7, Salmonella enterica and Listeria monocytogenes. Food Cont. 33:232-238.
Fink R.C., J. M. Popowski J. E. Anderson, J. L. Dahlberg, S. Kalyanikutty, G. I. Crawford, A. Dicostanzo, R. B. Cox, and F. Diez-Gonzalez. 2013. Impact of management practices and distillers' grains feeding on the prevalence of Escherichia coli O157 in feedlot cattle in Minnesota. Foodborne Pathog Dis. 10:559-65.
Compart, D. M, A. M. Carlson, G. I. Crawford, R. C. Fink, F. Diez-Gonzalez, A. Dicostanzo, and G. C. Shurson. 2013. Presence and biological activity of antibiotics used in fuel ethanol and corn co-product production. J Anim. Sci. 91:2395-2404.
Hou, Z, R. C. Fink, C. Radtke, M. J. Sadowsky, and F. Diez-Gonzalez. 2013. Incidence of naturally internalized bacteria in lettuce leaves. Int. J. Food Microbiol. 162:260-265.
He, L, D. B. Deen, A. H. Pagel, F. Diez-Gonzalez, and T. P.Labuza. 2013. Concentration, detection and discrimination of Bacillus anthracis spores in orange juice using aptamer based surface enhanced Raman spectroscopy. Analyst. 138:1657-1659.
Hou, Z., R. C. Fink, E. P. Black, M. Sugawara, Z. Zhang, F. Diez-Gonzalez, and M. J. Sadowsky. 2012. Gene expression profiling of Escherichia coli in response to interactions with the lettuce rhizosphere. J. Appl. Microbiol. 113:1076-1086.
Lumor, S. E., B. D. Deen, I. Ronningen, K. Smith, N. R. Fredrickson, F. Diez-Gonzalez, and T. P. Labuza. 2012. Detection and inactivation of saxitoxin in skim milk. J. Food Prot. 75:1113-1116.
Lumor, S. E., N. R. Fredrickson, I. Ronningen, B. D. Deen, K. Smith, F. Diez-Gonzalez, and T. P. Labuza. 2012. Comparison of the presence of Shiga toxin 1 in food matrices as determined by an enzyme-linked immunosorbent assay and a biological activity assay. J. Food Prot. 75:1036-1042.
Fink, R. C., E. Black, Z. Hou, M. Sugawara, M. J. Sadowsky, and F. Diez-Gonzalez. 2012. Transcriptional responses of Escherichia coli K12 and O157:H7 in association with lettuce leaves. Appl. Environ. Microbiol. 78:1752-1764.
He, L., B. Deen, T. Rodda, I. Ronningen, T. Blasious, C. L. Haynes, F. Diez-Gonzalez, and T. P. Labuza. 2011. Detection of ricin in milk combined immunomagnetic separation with surface-enhanced Raman spectroscopy. J. Food Sci. 76:N49-53.
He, L., E. Lamont. B. Veeregoda, S. Sreevatsan, C. L. Haynes, F. Diez-Gonzalez, and T. P. Labuza. 2011. Aptamer-based surface-enhanced Raman scattering detection of ricin in liquid foods. Chem. Sci. 2:1579–1582.
He, L., C. L. Haynes, F. Diez-Gonzalez, and T. P. Labuza. 2011. Rapid detection of a foreign protein in milk using IMS–SERS. J. Raman. Spec. 42:1428-1434.
Viazis, S., and F. Diez-Gonzalez. 2011. Enterohemorrhagic Escherichia coli: The 20th century’s emerging foodborne pathogen. A Review. Adv. Agron. 111:1-50.
Viazis, S., M. Akhtar, A. Brabban, J. Feirtag, and F. Diez-Gonzalez. 2011. Isolation and host range characterization of lytic bacteriophages against enterohemorrhagic Escherichia coli. J. Appl. Microbiol. 110:1323-1331.
He, L., T. Rodda, C. Haynes, T. Deschaines, T. Strother, F. Diez-Gonzalez, and T. P. Labuza. 2011. Detection of a foreign protein in milk using surface-enhanced Raman spectroscopy coupled with antibody-modified silver dendrites. Anal. Chem. 83:1510–1513.
Lumor, S. E., A. Hutt, I. Ronnigen, F. Diez-Gonzalez, and T. P. Labuza. 2011. Validation of immunodetection (ELISA) of ricin using a biological activity assay. J. Food Sci. 76:C112-C116.
Lumor, S. E., F. Diez-Gonzalez, and T. P. Labuza. 2011. Detection of warfare agents in liquid foods using brine shrimp lethality assay. J. Food Sci. 76:T16-T19.
Viazis, S., M. Akhtar, J. Feirtag, and F. Diez-Gonzalez. 2011. Reduction of Escherichia coli O157:H7 viability on hard surfaces by treatment with a bacteriophage mixture. Int. J. Food Microbiol. 145:37-42.
Viazis, S., M. Akhtar, J. Feirtag, and F. Diez-Gonzalez. 2011. Reduction of Escherichia coli O157:H7 viability on leafy green vegetables by treatment with a bacteriophage mixture and trans-cinnamaldehyde. Food Microbiol. 28:149-157.
Leishman, O., M. Johnson, T. P. Labuza, and F. Diez-Gonzalez. 2010. Survival of Bacillus anthracis spores in fruit juices and wine. J. Food Prot. 73:1694–1697.
Leishman, O., T. P. Labuza, and F. Diez-Gonzalez. 2010. Hydrophobic properties and extraction of Bacillus anthracis spores from liquid foods. Food Microbiol. 27:661-666.