Research Reports

A Closer Look

Monthly series reporting of the latest funded CPS research projects.

December 2023

Two projects look at effects of pear storage on microbes
Principal Investigators: Laura Strawn, Virginia Tech; Meijun Zhu, Washington State University
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November 2023

Project looks at adding antimicrobials to stone fruit coatings
Principal Investigator: Qixin Zhong, University of Tennessee
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October 2023

Study assays cross-contamination under dry conditions
Principal Investigator: Nitin Nitin, University of California, Davis
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September 2023

Peach packinghouse trials gauge sanitizer efficacy
Principal Investigator: Meijun Zhu, Washington State University
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April 2023

Study looks at Listeria contamination patterns in processors
Principal Investigator: Ana Allende, CEBAS-CSIC, Spain
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March 2023

Superheated or 'dry' steam shows sanitation potential
Principal Investigator: Abby Snyder, Cornell University
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February 2023

Researchers test sanitizers for picking bags and bins
Principal Investigator: Valentina Trinetta, Kansas State University
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January 2023

Project seeks to simplify Cyclospora sampling, filtration
Principal Investigators: Lia Stanciu, Purdue University; Benjamin Rosenthal, U.S. Department of Agriculture Agricultural Research Service
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December 2022

Project looks at pathogen risks from farmland birds
Principal Investigator: Daniel Karp, University of California, Davis
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November 2022

Project looks at E. coli risk during romaine post-harvest cooling
Principal Investigator: Teresa Bergholz, Michigan State University
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October 2022

Reducing Salmonella risks for bulb onions
Principal Investigators: Joy Waite-Cusic, Oregon State University; Vijay Joshi, Texas A&M AgriLife Research
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September 2022

Research targets dry surface risks in packinghouses
Principal Investigator: Paul Dawson, Clemson University
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May 2022

Three technologies with multiple applications!
Principal Investigators: Francisco Diez-Gonzalez, University of Georgia; Abhinav Upadhyay, University of Connecticut; Kevin Mis Solval, University of Georgia
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April 2022

Research seeks portable paper-based tool to detect fecal contamination
Principal Investigator: Mohit Verma, Purdue University
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March 2022

Project seeks bio-based coatings to reduce cross-contamination
Principal Investigator: Nitin Nitin, University of California, Davis
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February 2022

Project taps AI to validate Cyclospora inactivation methods
Principal Investigator: Scott Lenaghan, University of Tennessee
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January 2022

Project looks at sanitizer efficacy in apple packing line dump tanks
Principal Investigator: Meijun Zhu, Washington State University
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December 2021

Research seeks to understand pathogen risks posed by wild birds
Principal Investigator: Nikki Shariat, University of Georgia
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November 2021

Project seeks to evaluate food safety challenges of blueberry harvesting
Principal Investigator: Jinru Chen, University of Georgia
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October 2021

Study targets dust's overlooked role in potential cross-contamination
Principal Investigator: Kelly Bright, University of Arizona
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September 2021

Project looks at impact of waxes on food safety
Principal Investigator: Luxin Wang, University of California, Davis
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April 2021

Project seeks science-based interventions to persistent Listeria strains
Principal Investigator: Martin Wiedmann, Cornell University
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March 2021

Virus study seeks improved detection method and sanitizer efficacy data
Principal Investigator: Gloria Sánchez Moragas, Instituto de Agroquímica y Tecnología de Alimentos (IATA) 
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February 2021

Researchers seek insight into Cyclospora risk
Principal Investigator: Mia Mattioli, CDC National Center for Emerging and Zoonotic Infectious Diseases
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January 2021

Research examines Listeria tolerance to sanitizers
Principal Investigator: Xiangyu Deng, University of Georgia
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December 2020

CPS project identifies Cyclospora sources
Principal Investigator: Ynés Ortega, University of Georgia
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November 2020

Research examines potential Listeria risks in distribution centers
Principal Investigator: Laurel Dunn, University of Georgia
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October 2020

Research seeks user-friendly field tool to refine sampling, sanitation intervals
Principal Investigator: Paul Dawson, Clemson University
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September 2020

Research seeks better test, water filtration for Cyclospora
Principal Investigator: Kalmia Kniel, University of Delaware
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August 2020

Project taps plasma technology to disinfect wash water
Principal Investigator: Alexander Fridman, Drexel University
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June 2020

Researchers ID ecological frog deterrents for leafy green fields 
Principal Investigator: Michelle Green, University of South Florida in St. Petersburg
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May 2020

Genetic fingerprinting sheds light on Listeria's prevalence in nature
Principal Investigator: Martin Wiedmann, Cornell University
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April 2020

Project assays Listeria survival on extensive array of produce
Principal Investigator: Xiangwu Nou, U.S. Department of Agriculture, ARS
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March 2020

Computer model predicts Listeria risk-reduction outcome
Principal Investigator: Renata Ivanek, Cornell University
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February 2020

Project gauges Listeria survival on apples in storage
Principal Investigator: Elliot Ryser, Michigan State University
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January 2020

Research explores the relationship between product testing, consumer risk
Principal Investigator: Emma Hartnett, Risk Sciences International
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December 2019

Research seeks to identify canal sediment-pathogen risks
Principal Investigator: Charles Gerba, University of Arizona
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November 2019

Expansive project seeks new pathogen mitigation strategies
Principal Investigator: Daniel Karp, University of California, Davis
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October 2019

Project looks to surface changes, coatings to reduce biofilms
Principal Investigator: Boce Zhang, University of Massachusetts, Lowell
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September 2019

Researchers work on model to guide risk-based produce sampling
Principal Investigator: Matthew Stasiewicz, University of Illinois at Urbana-Champaign
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April 2019

Project taps vegetative buffers to reduce pathogen transmission
Principal Investigator: Siddhartha Thakur, North Carolina State University
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March 2019

Researchers use next-generation tests to ID viruses
Principal Investigator: Gloria Sanchez-Moragas, Institute of Agrochemistry and Food Technology at the Spanish Council for Scientific Research, Spain.
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February 2019

Project looks at Listeria risk for nontraditional salad ingredients
Principal Investigator: Amanda Lathrop, California Polytechnic State University
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January 2019

Novel plastic would cut cross-contamination by inactivating and repelling microbes
Principal Investigator: Nitin Nitin, University of California, Davis
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November 2018

Research examines anti-listerial fruit coatings
Principal Investigator: Kay Cooksey, Clemson University
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October 2018
Sampling research sets stage for ascent into emerging microbiome field
Principal Investigator: Edward Dudley, The Pennsylvania State University
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September 2018
Field trials shed light on pathogen die-off rate
Pricipal Investigator: Renata Ivanek, Cornell University
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August 2018
New approach to an ongoing challenge: predicting chlorine levels during the wash cycle
Principal Investigator: Daniel Munther, Cleveland State University
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February 2018
Stone fruit Listeria research highlights synergy of scientist-industry partnerships
Pricipal Investigator: Mary Anne Amalaradjou, University of Connecticut
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January 2018
Project seeks to shed light on Cyclospora prevalence
Pricipal Investigator: Gerardo Lopez, University of Arizona
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November 2017
Project seeks to validate apple packing line sanitation
Pricipal Investigator: Meijun Zhu, Washington State University
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October 2017
Project uses geospatial, time of day, and weather data as part of E. coli risk model
Pricipal Investigator: Martin Wiedmann, Cornell University
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August 2017
Project seeks tests for 'viable but non-culturable' pathogens
Pricipal Investigator: Xiaonan Lu, University of British Columbia
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May 2017
Research seeks to reduce mango pathogen risks along supply chain
Author: Produce Marketing Association
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March 2017
Project seeks user-friendly test for 4 protozoan pathogens
Author: Produce Marketing Association
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February 2017
Project seeks better understanding of in-field pathogen die-off rates
Author: Produce Marketing Association
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January 2017
Farm-to-fork project focuses on contact surface transfer of pathogens
Author: Produce Marketing Association
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December 2016
(CPS did not publish December report)

November 2016
Research seeks improved poultry litter treatments
Author: Produce Marketing Association
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October 2016
Project seeks better understanding of preventing Listeria transfer 
Author: Produce Marketing Association
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September 2016
'Dipstick' may offer rapid on-farm bacterial testing of water, produce samples
Principal Investigator: Sam Nugen, Cornell University
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August 2016
2016 CPS Research Symposium Key Learnings
Author: Produce Marketing Association
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May 2016
University of Arizona researchers team on ways to improve water quality assessments
Principal Investigator: Kelly Bright, University of Arizona
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April 2016
2015 CPS Symposium Summary: Key Learnings and What They Mean for You
Author: Produce Marketing Association
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March 2016
Improved sampling and analytical methods for testing agricultural water for pathogens, surrogates and source tracking indicators
Principal Investigator: Vincent R. Hill, Centers for Disease Control and Prevention
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February 2016
Project assesses food safety impacts of delays between pistachio harvest and drying
Principal Investigator: Linda Harris, University of California, Davis
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January 2016
Project seeks sustainable approach to disinfect surface irrigation water
Principal Investigator: Ana Allende, CEBAS-CSIC in Murcia, Spain
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December 2015
Trials aim to shed light on wash-water disinfectants for mangoes
Principal Investigator: Mary Anne Amalaradjou, University of Conneticut
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November 2015
Projects Follow Salmonella's Route Through Irrigation Water
Principal Investigator: George Vellidis, University of Georgia
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October 2015
Project Examines Pathogen Risks of Wildlife
Principal Investigator: Alan Franklin, USDA Animal and Plant Health Inspection Service
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September 2015
Project Seeks Science-based Methods to Validate Pistachio Pasteurization
Principal Investigator: Bradley P. Marks, Michigan State University
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August 2015
App Will Assess Risk in Making Water Sampling Recommendations
Principal Investigator: Channah Rock, University of Arizona
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July 2015
Field Trials Using Surrogate Vials Help Debunk 90/120-day Manure Rule
Principal Investigator: Keith Warriner, University of Guelph
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June 2015
Research examines food safety risks at the fresh produce-animal interface
Principal Investigator: Sid Thakur, North Carolina State University
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May 2015
Project examines norovirus survival and transmission in water on produce
Principal Investigator: Melissa Jones, Univeristy of Florida
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April 2015
"Treatments may speed vegetable replanting of Salmonella-contaminated soil"
Principal Investigator: Trevor Suslow, University of California, Davis
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March 2015
Researchers tap GIS to help predict on-farm foodborne pathogen risks
Principal Investigator: Martin Wiedmann, Cornell University
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