Poster Session

2016 SYMPOSIUM POSTER SESSION

The posters listed below were displayed to showcase the research of several CPS funded scientists at the 7th Annual CPS Produce Research Symposium in Seattle, WA.

Identification of Novel Indicator Organisms to Determine the Risks of Fecal Contamination of Irrigation Waters. PI Bright. The University of Arizona

Microbial Food Safety Risks of Reusing Tail Water for Leafy Green Production, PI Cahn. University of California Cooperative Extension

Factors that Influence the Introduction, Fate and Mitigation of Foodborne Pathogens on Mangoes Throughout the Production Chain. PI Danyluk. University of Florida

Establishing Die-Off Rates of Surrogate and Virulent EHEC-STEC Strains from Strawberry and Cilantro Surfaces: Time, Inoculum Dose and Chemical Intervention. Proof of Concept. PI Gutierrez-Rodriquez. North Carolina State University

Assessing Postharvest Food Safety Risks and Identifying Mitigation Strategies for Foodborne Pathogens in Pistachios. PI Harris. University of California, Davis

Evaluation of Falconry as an Economically Viable Co-Management Strategy to Deter Nuisance Birds in Leafy Green Fields. PI Jay-Russell. University of California, Davis

Validating a Physically Heat-Treated Process for Poultry Litter in Industry Settings Using the Avirulent Salmonella Surrogates or Indicator Microorganisms. PI Jiang. Clemson University

Evaluation of the Efficacy of Antimicrobial Agents to Prevent the Transfer of Listeria monocytogenes from Existing Biofilms to Produce or Processing Surfaces. PI Joerger. University of  Delaware

Towards Preventing Internalization and Persistence of Human Bacterial Pathogens in Fresh Produce. PI Melotto. University of California, Davis

The Effect of Soil Remediation Treatments on Microbial Populations Following an Extreme Flooding Event. Rapid Response. PI Monroe. Purdue University

Evaluation of Sanitizing Treatments for Sizer Carriers in Stone Fruit Packinghouses. PI Pao. California State University, Fresno

Evaluation of Risk-Based Water Quality Sampling Strategies for the Fresh Produce Industry. PI Rock. The University of Arizona

Control of Cross-Contamination During Field-Pack and Retail Handling of Cantaloupe. PI Stawn. Virginia Tech

Rapid Tests to Specifically Differentiate Clinically Signifi cant Isolates from Environmental STEC Towards Reducing Unnecessary Crop Destruction, PI Suslow. University of California, Davis

Remediation and Recovery Measures to Expedite Plant or Replant of Vegetables Following Soil Contamination by Salmonella enterica. PI Suslow. University of California, Davis

Comparative Genomics Analysis and Physiological Assessment of the Avirulent Salmonella Surrogate Relevant to Produce Safety. PI Tepliski. University of Florida

Food Safety Risks at the Fresh Produce–Animal Interface: Identifying Pathogen Sources and Their Movement on Diversified Farms. PI Thakur. North Carolina State University

Does Salmonella Move Through the Irrigation Systems of MixedProduce Farms of the Southeastern United States? PI Vellidis. University of Georgia

Methods for Detection of Diverse Parasites on Packaged Salads Based on (Viable) (Oo)cysts. PI Weurtz. University of California, Davis

Pathogen Physiological State has a Greater Effect on Outcomes of Challenge and Validation Studies than Strain Diversity. PI Wiedmann. Cornell University

 

2015 SYMPOSIUM POSTER SESSION

The posters listed below were displayed to showcase the research of several CPS funded scientists at the 6th Annual CPS Produce Research Symposium in Atlanta, Georgia.

AGRICULTURAL WATER

Demonstration of practical, effective and environmentally sustainable agricultural water treatments to achieve compliance with microbiological criteria

Enteric viruses as new indicators of human and cattle fecal contamination of irrigation waters

Evaluation of multiple disinfection methods to mitigate the risk of produce contamination by irrigation water

Transfer and survival of organisms to produce from surface irrigation water

Evaluation of pathogen survival in fresh water sediments and potential impact on irrigation water quality sampling programs

Improved sampling and analytical methods for testing agricultural water for pathogens, surrogates and source tracking indicators

Use of zero valent iron (ZVI) in irrigation of tomatoes with manure-contaminated water at varying E. coli levels

Investigation of risk criteria and foodborne pathogen reduction practices for irrigation water

Evaluation of an alternative irrigation water quality indicator

Does splash from overhead sprinkler irrigation systems contaminate produce with Salmonella in the Southeastern United States?

Optimal strategies for monitoring irrigation water quality and the development of guidelines for the irrigation of food crops

Survival of generic E. Coli and Salmonella during the growth, curing and storage of dry bulb onions produces with contaminated irrigation water


E. COLI SURROGATES

Selection of E. coli surrogates with attachment and survival patterns similar to those of human pathogens associated with produce

 

PASTEURIZATION

Improving pasteurization validation methods for pistachio processing 

Rapid Bacterial Testing for on-Farm Sampling

 

PREVENTION

Towards preventing internalization and persistence of human bacterial pathogens in fresh produce

 

RAPID TESTS

Rapid tests to specifically differentiate clinically significant from environmental STEC towards reducing unnecessary crop destruction

 

SANITIZATION

Validation of chlorine level in sanitization system to avoid cross-contamination

 

WASH-WATER MANGO

Impact of wash water disinfectants on Salmonella enterica transfer and survival in mango packing facility water tank operations

 

WILDLIFE

Contamination of leafy green crops with foodborne pathogens:  Are wildlife a problem?

Evaluation of falconry as an economically viable co-management strategy to deter nuisance birds in leafy green fields

 

2014 SYMPOSIUM POSTER SESSION

At the 5th annual CPS Produce Research Symposium in Newport Beach, California, the posters listed below were displayed showcasing the research being done by CPS funded scientists.

SURROGATES

Selection of E. coli surrogates with attachment and survival patterns similar to those of human pathogens associated with produce

NOROVIRUS

Assessing postharvest food safety risks and identifying mitigation strategies for foodborne pathogens in pistachios

NOROVIRUS

Effect of physiochemical and biological parameters on survival, persistence and transmission of norovirus in water and on produce

POST-HARVEST

Feasibility of using nitric oxide donors to disperse biofilms of industrial significance to strengthen the efficacy of current industrial disinfectants

GREEN MANURE

Glucosinolate-derived compounds as a green manure for controlling E. coli O157:H7 and Salmonella in soil

RISK ASSESSMENT

Apple growing and packing microbial risk factors and their potential to lead to foodborne disease outbreaks

REMEDIATION

Remediation and recovery measures to expedite plant or replant of vegetable following soil contamination by Salmonella enterica

FARMS WITH PLANTS AND ANIMALS

Food safety risks at the fresh produce-animal interface: identifying pathogen sources and their movement on diversified farms

MANURE

Die-off rates of human pathogens in manure amended soil under natural climatic conditions using novel sentinel chamber system

GEOGRAPHIC INFORMATION SYSTEMS

Validation of geospatial algorithms to predict the prevalence and persistence of pathogens in produce fields to improve GAPs

LEAFY GREENS

Genomic elucidation of the physiological state of enteric pathogens on pre-harvest lettuce

CANTALOUPES

Enhancement of forced-air cooling to reduce Listeria monocytogenes, Salmonella and/or total surface microbiota on cantaloupes

CANTALOUPES

Novel coating systems with sustained release of food antimicrobials to improve safety of cantaloupe

2013 POSTER SESSION

At the 4th annual CPS Produce Research Symposium, posters were displayed showcasing the research being done by CPS and FDA scientists. CPS was pleasantly surprised by the many requests to post the posters online for industry, academia and government officials to learn more about the research in the pipeline.

BLUEBERRIES

Evaluation of the level of white-tailed deer fecal colonization by E. coli O157:H7 and the ecological role of dung beetles with the pathogen in produce farms

CANTALOUPES

Novel coating systems with sustained release of food antimicrobials to improve safety of cantaloupe

CO-MANAGEMENT

Science-based evaluation of risks associated with wildlife exposure for contamination of irrigation water by Salmonella

Reducing the risk for transfer of zoonotic foodborne pathogens from domestic and wild animal to vegetable crops in the southwest desert

COMPOST

Die-off rates of human pathogens in manure amended soil under natural climatic conditions using novel sentinel chamber system

Glucosinolate-derived compounds as a green manure for controlling E. coli O157:H7 and Salmonella in soil

Developing and validating practical strategies to improve microbial safety in composting process control and handling practices

INDICATORS

Science-based monitoring for produce safety: Comparing indicators and pathogens in water, soil and crops

IRRIGATION WATER

Science-based evaluation of regional risks for Salmonella contamination of irrigation water at mixed produce farms in the Suwannee River watershed

LEAFY GREENS

Persistence and detection of norovirus, Salmonella, and pathogenic Escherichia coli on basil and leafy greens

Genomic elucidation of the physiological state of enteric pahtogens on pre-harvest lettuce

MELONS

Practical validation of surface pasteurization of netted melons

PISTACHIOS

Distribution of Salmonella in pistachios and development of effective sampling strategies

RAPID DETECTION

Toward a rapid and reliable pathogen detection system in produce

SURROGATES

Avirulent Salmonella strains and their use to model behavior of the pathogen in water, composts, in and on vegetables

TREE FRUIT

Assessment of sanitation techniques for tree fruit storage bins

TREE NUTS

Sources and mechanisms of transfer of Salmonella in the production and postharvest tree nut environment

WASH WATER

Rapid assessment of oxidative stress induced in microbes to evaluate efficacy of sanitzers in wash water

2012 POSTER SESSION

BUFFER ZONEs

The role of riparian zones in bacteria dispersal to produce farms

COMPOST

Developing and validating practical strategies to improve microbial safety in composting process control and handling practices

Glucosinolate-derived compounds as a green manure for controlling E. coli O157:H7 and Salmonella in soil

Validation of testing methods for the detection and quantification of E. coli O157:H7, Salmonella spp., fecal coliforms and non-pathogenic E. coli in compost (Preliminary Results)

Validating Salmonella inactivation during thermal processing of the physically heat-treated chicken litter as soil amendment and organic fertilizer

FOOD AND DRUG ADMINISTRATION

Evaluation of Methods to Recover STECs from Leafy Greens and Cilantro and Agars to Identify Non-O157 STECs

Using a PCR-based serotyping method to screen, identify, and serotype Salmonella sp. from cilantro

IRRIGATION WATER

Assessment of E. coli as an indicator of microbial quality or irrigation water use for produce

Evaluation of sampling protocol to provide science-based metrics for use in identification of Salmonella in irrigation water testing programs in mixed produce farms in the Suwannee River watershed

Science-based evaluation of regional risks for Salmonella contamination of irrigation water at mixed produce farms in the Suwannee River watershed

Science-based monitoring for produce safety: Comparing indicators and pathogens in water, soil and crops.

LEAFY GREENS

Comparative assessment of field survival of Salmonella enterica and E. coli O157:H7 on cilantro (Coriandrum sativum) in relation to sequential cutting and re-growth

Differential susceptibility of spinach grown under slow- and fast-growth conditions to enteric bacterial contamination

DNA-based identification of foliar microbiota with potential to predict or preclude pathogen establishment on field-grown leafy greens

Investigation of E. coli survival on contaminated crop residue

Persistence and detection of norovirus, Salmonella, and pathogenic Escherichia coli on basil and leafy greens.

Survival of E. coli on soil amendments and irrigation water in leafy green field environments

The likelihood of cross%u2010contamination of head lettuce by E. coli O157:H7, Salmonella and norovirus during hand harvest and recommendations for glove sanitizing and use

RAPID DETECTION

Toward a rapid and reliable pathogen detection system in produce

RAPID RESPONSE

Investigation of potential reservoirs of shiga toxin-producing E. coli and Salmonella in produce production areas of Arizona and Mexico (Rapid Response)

Microbial food safety on-farm risk assessment (Rapid Response)

TOMATOES, PEPPERS

Irrigation regime, fruit water congestion and produce safety: parameter optimization to reduce susceptibility of tomatoes and peppers to post-harvest contamination, pathogen transfer and proliferation of Salmonella

Pathogen transfer risks associated with specific tomato harvest and packing operations

Survival, transfer, and inactivation of Salmonella on plastic materials used in tomato harvest

TREE FRUIT

Apple growing and packing microbial risk factors and their potential to lead to foodborne disease outbreaks

Sanitization of soft fruits with ultraviolet (UV-C) light

TREE NUTS

Developing a program to educate the walnut supply chain as it pertains to product handling and safety

Distribution of Salmonella in pistachios and development of effective sampling strategies

Influence of the pre-harvest environment on the physiological state of Salmonella and its impact on increased survival capability

Sources and mechanisms of transfer of Salmonella in the production and postharvest tree nut environment

VACUUM COOLING

Non-invasive imaging approaches to evaluate potential infusion of pathogens during vacuum cooling of lettuce leaves and real time dynamics of microbes on leaf tissues as a function of moisture content

WASH WATER

Enhancing the efficacy of fresh produce washing operations through established monitoring methods and water disinfection technologies based on a combination of filtration and UV�

Rapid testing of flume water organic load to better assess the efficacy of free chlorine against Escherichia coli O157:H7 during commercial lettuce processing