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Laura Strawn

Associate Professor

Laura Strawn

Dr. Laura Strawn
Eastern Shore AREC
33446 Research Drive
Painter, VA 23420


  • Ph.D., Food Science, Cornell University, 2013
  • M.S., Food Science, University of Florida, 2009
  • B.S., Food Science and Technology, University of California, Davis, 2007

Research Interests

  • Research interests focus on enhanced microbial safety of produce production at both the pre- and post-harvest level

    Subtyping of bacterial foodborne pathogens for source tracking and outbreak detection

  • Development of educational materials and trainings for producers, packers, and processors directed towards food safety of produce 

Peer-Reviewed Publications

Bardsley, C., R. Pfuntner, L. Truitt, M.D. Danyluk, S. Rideout, L.K. Strawn*. 2017. Growth and Survival of Salmonella and Listeria monocytogenes on Whole and Sliced Cucumbers. International Journal of Food Microbiology. Under Review.

Bardsley, C., R. Pfuntner, L. Truitt, S. Rideout, R. Boyer, L.K. Strawn*. 2017. Survival of Listeria monocytogenes on the Surface of Basil, Cilantro, Dill, and Parsley Plants Grown in a Greenhouse Environment. Food Control. Under Review.

Escamilla Sanchez, D., R. Rosso, L.K. Strawn, B. Zhang. 2017. Evaluation of important seed and sprout traits as potential selection criteria in breeding new varieties for sprout soybeans. Euphytica. Accepted, EUPH-D-16-00564R1.

Topalcengiz Z, L.K. Strawn, M.D. Danyluk. 2017. Microbial quality of agricultural water in Central Florida. PLoS ONE 12(4): e0174889.

Wang, S., F.O. Mardones, A.D. Adell, D. Weller, J. Falardeau, L.K. Strawn, A.M. Switt. 2016. Food safety trends: from globalization of whole genome sequencing to application of new tools to prevent foodborne diseases. Trends Food Sci Tech. accepted, TIFS_2016_221.    

Weller D., S. Swakoti, P. Bergholz, Y. Grohn, M. Wiedmann, L.K. Strawn*. 2016. Validation of a Previously Developed Geospatial Model that Predicts Listeria monocytogenes Prevalence for New York State Produce Fields. Appl. Environ. Microbiol. 82:797-807.

Brar P., L.K. Strawn, M. Danyluk*. 2016. Prevalence, Level, and Types of Salmonella Isolated from North American In-Shell Pecans over Four Harvest Years. J. Food Prot. 79:352-360.

Bergholz P.*, L.K. Strawn, G. Ryan, S. Warchocki, M. Wiedmann. 2016. Spatiotemporal Analysis of Microbiological Contamination in New York State Produce Fields following Extensive Flooding from Hurricane Irene, August, 2011. J. Food Prot. 79:384-391.

Weller, D., M. Wiedmann, and L.K. Strawn*. 2015. Spatial and Temporal Factors Associated with an Increased Prevalence of Listeria monocytogenes in Spinach Fields in New York State. Appl. Environ. Microbiol. 81:6059-6069.

Strawn, L.K., E. Brown, J. David, H. den Bakker, P. Vangay, F. Yiannas, M. Wiedmann*. 2015. Big Data in Food Safety and Quality. Food Tech. 69:42-49.

Weller, D., M. Wiedmann, L.K. Strawn*. 2015. Irrigation is Significantly Associated with an Increased Prevalence of Listeria monocytogenes in Produce Production Environments in New York State. J. Food Prot. 78:1132-1141. 

Chapin, T.C., K.K. Nightingale, R.W. Worobo, M. Wiedmann, L.K. Strawn*. 2014. Geographical and Meteorological Factors Associated with Isolation of Listeria species in New York State Produce Production and Natural Environments. J. Food Prot. 77:1919-1928.

Strawn, L.K.*, M.D. Danyluk, R.W. Worobo, M. Wiedmann. 2014. Distributions of Salmonella Subtypes Differ Between Two US Produce Growing Regions. Appl. Environ. Microbiol. 80:3982-3991.

H.C. den Bakker*, S. Warchocki, E.M. Wright, A.F. Allred, C. Ahlstrom, C.S. Manuel, M. J. Stasiewicz, A. Burrell, S. Roof, L.K. Strawn, E. Fortes, K.K. Nightingale, D. Kephart, M. Wiedmann. 2014. Five New Species of Listeria (L. floridensis sp. nov., L. aquatic sp. nov., L. cornellensis sp. nov., L. riparia sp. nov., and L. grandensis sp. nov.) from Agricultural and Natural Environments in the United States. Int. J. Syst. Evol. Microbiol. 64:1882-1889.

Strawn, L.K.*, Y.T. Grohn, S. Warchocki, R.W. Worobo, E. A., Bihn, M. Wiedmann. 2013. Risk Factors Associated with Salmonella and Listeria monocytogenes Contamination of Produce Fields. Appl. Environ. Microbiol. 79:7618-7627.

Strawn, L.K., E.D. Fortes, E.A. Bihn, K.K. Nightingale, Y.T. Grohn, R.W. Worobo, M. Wiedmann, P.W. Bergholz*. 2013. Landscape and meteorological factors affecting prevalence of three food-borne pathogens in fruit and vegetable farms. Appl. Environ. Microbiol. 79:588-600.

Peer-Reviewed Extension Publications

Erwin, C, R.C. Pfuntner, and L.K. Strawn. 2016. “Understanding Food Irradiation”. Publication number Virginia Cooperative Extension FST-241NP.

Strawn, L.K. and W. Kline*. 2016. “Food Safety Concerns”, Commercial Vegetable Production Recommendations. Publication number: Virginia Cooperative Extension 456-420. *major revisions due to the Food Safety Modernization Act

Dodson S., R. Boyer*, M. Chase, J. Eifert, J. Eifert, L.K. Strawn, A. Villalba. 2016. Safe Handling and Storage of Raw Fruits and Vegetables. Publication number: FST-216NP.

Wythe, M., R. Williams*, R. Boyer, L.K. Strawn. 2016. Farm Based Traceability System for Fresh Fruit and Vegetable Growers. Submitted.

Marine S., G. Gu, L.K. Strawn, W. Kline*. 2015. "Food Safety Concerns", Commercial Vegetable Production Recommendations. Publication number: Virginia Cooperative Extension 456-420.