Index Catalog // ScholarsArchive@OSU

Multidisciplinary Approach to Evaluate the Effect of Plant Growth Promoting Rhizobacteria (PGPR) on Soil Microbiota and Quality of Strawberries

Creator:: Nam, Jun Haeng
Abstract:: Oregon strawberries are known for their high quality, intense flavor, sweetness, and rich red color. With optimal weather conditions, including rainy and mild seasons, Oregon has one of the best strawberry farming environments. Amongst the factors for a suitable strawberry farming environment, soil significantly influences strawberry growth and quality. The...
Resource Type:: Masters Thesis

Genomic mapping of efflux pumps in Listeria monocytogenes and their contribution to cadmium and fluoroquinolone tolerance

Creator:: Domen, Andrea
Abstract:: Listeria monocytogenes is the third most deadly foodborne pathogen in the United States. The young and elderly, as well as pregnant and immunocompromised people are the population most susceptible to serious illness and death from listeriosis infections. Unlike most foodborne pathogens, L. monocytogenes does not live a solely enteric lifestyle....
Resource Type:: Masters Thesis

Genetic Diversity and Antimicrobial Resistance of Listeria monocytogenes within Produce Handling and Processing Environments

Creator:: Bland, Rebecca N.
Abstract:: Listeria monocytogenes is a foodborne pathogen frequently associated with food processing environments. Its presence is particularly concerning in facilities handling minimally processed and ready-to-eat foods. Recent outbreaks associated with fresh produce, such as packaged salads and mushrooms, highlight the need to better understand and control these pathogens in environments that...
Resource Type:: Masters Thesis

“Red Light, Yellow Light!”: Evaluating the Anti-Listerial Potential of Bacillus Isolate Metabolites Using a High-Throughput Chromogenic Assay”

Creator:: Johnson, Taylor S.
Abstract:: Listeria monocytogenes contamination continues to pose challenges for the food industry and there is demand for effective methods of food preservation and protection that can also be considered clean label. A promising source of antilisterial compounds may be sourced from bacteria that produce novel byproducts. Ribosomally synthesized and post-translationally modified...
Resource Type:: Masters Thesis

Spatiotemporal Distributions of Bacteria in the Cheddar Production Environment

Creator:: Johnson, Jared D.
Abstract:: Given the many significant roles that bacteria play in modern food manufacturing, it is crucial that we have a fundamental understanding of how bacterial communities assemble and behave in the food manufacturing environment. The focus of this dissertation was to investigate both the spatial and temporal distributions of microbial communities...
Resource Type:: Dissertation

Effects of Galactooligosaccharides on the Gut Microbiota in Lactose Intolerant Individuals

Creator:: Angima, Gloria
Abstract:: Lactose intolerance is a common food intolerance that occurs because of a post-weaning deficiency of lactase, an enzyme that cleaves the glyosidic bond of lactose. About 75% of the world's population is lactose intolerant. Common symptoms of lactose intolerance are abdominal pain, bloating and diarrhea. ~25% of the world’s population...
Resource Type:: Masters Thesis

Development of High-Throughput Screening Methods to Determine Efficacy of “Clean-Label” Antifungals for Application on Cheese

Creator:: Jensen, Kristen
Abstract:: Cheese has been produced since ancient times and continues to be an important nutrient-dense staple in many diets around the world. Cheese quality is of high importance to consumers, and it is important for cheese producers to establish process controls to prevent and control cheese spoilage. Fungal spoilage is of...
Resource Type:: Masters Thesis

Investigating Potential Environmental Sources for Coliforms in Cheddar Cheese Production

Creator:: Selover, Brandon J.
Abstract:: The production of Cheddar cheese is a complex process with multiple potential sources of undesirable bacteria, including those that have negative impacts on product quality (spoilage organisms) and those that are used to evaluate sanitary conditions in the production environment (indicator organisms). The dairy industry commonly uses coliform bacteria as...
Resource Type:: Masters Thesis
Full Text:: processing conditions in dairy foods. Front. Microbiol. 7:1549. doi:10.3389/fmicb.2016.01549. 13 Mbuk

Development of a High Throughput Method for Screening of Clean-Label Mold Inhibitors in Cheddar Cheese

Creator:: Kornberg, Kaitlyn R.
Abstract:: Mold growth on cheddar-style cheese, though not a food safety issue, causes significant loss to the industry due to consumer rejection. For this reason, it is common for at-risk products, such as cheese shreds, to be coated with the mold inhibitor natamycin. While highly effective at extending shelf-life, preferences for...
Resource Type:: Masters Thesis

Cleaning and Sanitizing Surfaces on Produce Farms: Optimizing What, How, and When

Creator:: Ohman, Erik
Abstract:: Production of fresh produce takes place outdoors, and therefore, is exposed to many routes of contamination (e.g., soil, contaminated water, manure, etc.) by human pathogens. Although precautions are taken to reduce this risk, pathogens can be regularly introduced to produce handling facilities. To manage the risk of cross-contamination from potentially...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Multidisciplinary Approach to Evaluate the Effect of Plant Growth Promoting Rhizobacteria (PGPR) on Soil Microbiota and Quality of Strawberries

Genomic mapping of efflux pumps in Listeria monocytogenes and their contribution to cadmium and fluoroquinolone tolerance

Genetic Diversity and Antimicrobial Resistance of Listeria monocytogenes within Produce Handling and Processing Environments

“Red Light, Yellow Light!”: Evaluating the Anti-Listerial Potential of Bacillus Isolate Metabolites Using a High-Throughput Chromogenic Assay”

Spatiotemporal Distributions of Bacteria in the Cheddar Production Environment

Effects of Galactooligosaccharides on the Gut Microbiota in Lactose Intolerant Individuals

Development of High-Throughput Screening Methods to Determine Efficacy of “Clean-Label” Antifungals for Application on Cheese

Investigating Potential Environmental Sources for Coliforms in Cheddar Cheese Production

Development of a High Throughput Method for Screening of Clean-Label Mold Inhibitors in Cheddar Cheese

Cleaning and Sanitizing Surfaces on Produce Farms: Optimizing What, How, and When

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