Edward Dudley

Professor of Food Science; Director of E. coli Reference Center

Edward Dudley

Research Summary

Mechanisms driving toxin production in Shiga-toxigenic Escherichia coli; use of genome sequencing to track pathogen transmission during foodborne outbreaks

Huck Affiliations

Links

Most Recent Publications

Regulatory Landscape and the Potential of Bacteriophage Applications in the United States’ Food Industry

Edwin Omar Rivera-Lopez, Natasha N. Tirko, Edward G. Dudley, 2025, J.MILK.FOOD TECHNOL.

Genomic Diversity and Potential Transmission and Persistence of Salmonella in the Cambodian Vegetable Supply Chain

A Salazar, N Sreng, C Peng, Y Fu, E Nawrocki, T Chung, J Vipham, Edward Dudley, Jasna Kovac, 2025, J.MILK.FOOD TECHNOL. on p. 100447

Salmonella sp. Tied to Multistate Outbreak Isolated from Wastewater, United States, 2022

Z Goldblum, N M'ikanatha, Nkuchia M. M’ikanatha, E Nawrocki, N Cesari, Jasna Kovac, Edward G. Dudley, 2024, Emerging Infectious Diseases on p. 2695-2697

Investigating the adherence factors of Escherichia coli at the bovine recto-anal junction

Erin M. Nawrocki, Indira T. Kudva, Edward G. Dudley, 2024, Microbiology spectrum

Outbreak-associated Salmonella Baildon found in wastewater demonstrates how sewage monitoring can supplement traditional disease surveillance

N M'ikanatha, Z Goldblum, N Cesari, E Nawrocki, Y Fu, Jasna Kovac, Edward G. Dudley, 2024, Journal of Clinical Microbiology on p. e0082524

Host species shapes genotype, antimicrobial resistance, and virulence profiles of enterotoxigenic Escherichia coli (ETEC) from livestock in the United States

Yezhi Fu, Erin M. Nawrocki, Nkuchia M. M’ikanatha, Edward G. Dudley, 2024, Applied and Environmental Microbiology

Genomic diversity of Campylobacter jejuni and Campylobacter coli isolated from the Ethiopian dairy supply chain

A Admasie, X Wei, B Johnson, L Burns, P Pawar, A Aurand-Cravens, O Voloshchuk, Edward Dudley, T Sisay Tessema, Tesfaye Sisay Tessema, A Zewdu, Jasna Kovac, 2024, PLoS One on p. e0305581

SARS-CoV-2 wastewater variant surveillance: pandemic response leveraging FDA's GenomeTrakr network.

R Timme, J Woods, J Jones, K Calci, R Rodriguez, C Barnes, E Leard, M Craven, H Chen, C Boerner, C Grim, A Windsor, P Ramachandran, T Muruvanda, H Rand, B Tesfaldet, J Amirzadegan, T Kayikcioglu, T Walsky, M Allard, M Balkey, C Bias, E Brown, K Judy, T Pfefer, S Tallent, M Hoffmann, Edward Dudley, J Pettengill, 2024, mSystems on p. e01415-23

Corrigendum to "A Comparative Study on Antimicrobial Resistance in Escherichia coli Isolated from Channel Catfish and Related Freshwater Fish Species" [J. Food Protect. 87(1) (2023) 100192

Yesutor K. Soku, Abdelrahman Mohamed, Temesgen Samuel, Uday Dessai, Isabel Walls, Catherine Rockwell, Gamola Fortenberry, Tracy Berutti, Sharon Nieves-Miranda, Erin M. Nawrocki, Yezhi Fu, Edward Dudley, Stephen W. Mamber, John Hicks, 2024, J.MILK.FOOD TECHNOL. on p. 100225

Genomic characterization of Listeria monocytogenes and Listeria innocua isolated from milk and dairy samples in Ethiopia

Xiaoyuan Wei, Anwar Hassen, Karen McWilliams, Karen Pietrzen, Taejung Chung, Marysabel Acevedo, Tyler Chandross-Cohen, Edward Dudley, Jessie Vipham, Hassen Mamo, Tesfaye Tessema, Ashagrie Zewdu, Jasna Kovac, 2024, BMC Genomic Data on p. 12

Most-Cited Papers

Antimicrobial-coated films as food packaging: A review

Yezhi Fu, Edward G. Dudley, 2021, Comprehensive Reviews in Food Science and Food Safety on p. 3404-3437

Commercially Available Rapid Methods for Detection of Selected Food-borne Pathogens

Wladir B. Valderrama, Edward G. Dudley, Stephanie Doores, Catherine N. Cutter, 2016, Critical Reviews in Food Science and Nutrition on p. 1519-1531

Comparative analysis of subtyping methods against a whole-genome-sequencing standard for Salmonella enterica serotype Enteritidis

Xiangyu Deng, Nikki Shariat, Elizabeth M. Driebe, Chandler C. Roe, Beth Tolar, Eija Trees, Paul Keim, Wei Zhang, Edward G. Dudley, Patricia I. Fields, David M. Engelthaler, 2015, Journal of Clinical Microbiology on p. 212-218

Characterization and evolution of Salmonella CRISPR-Cas systems

Nikki Shariat, Ruth E. Timme, James B. Pettengill, Rodolphe Barrangou, Edward G. Dudley, 2015, Journal of General Microbiology on p. 374-386

CRISPR-Based Typing and Next-Generation Tracking Technologies

Rodolphe Barrangou, Edward G. Dudley, 2016, Annual review of food science and technology on p. 395-411

Prevalence and phylogenetic characterization of Escherichia coli and hygiene indicator bacteria isolated from leafy green produce, beef, and pork obtained from farmers' markets in Pennsylvania

Joshua A. Scheinberg, Edward G. Dudley, Jonathan Campbell, Beth Roberts, Michael DiMarzio, Chitrita DebRoy, Catherine N. Cutter, 2017, J.MILK.FOOD TECHNOL. on p. 237-244

Coculture of Escherichia coli O157:H7 with a nonpathogenic E. coli strain increases toxin production and virulence in a germfree mouse model

Kakolie Goswami, Chun Chen, Lingzi Xiaoli, Kathryn A. Eaton, Edward G. Dudley, 2015, Infection and Immunity on p. 4185-4193

Identification of a mouse Lactobacillus johnsonii strain with deconjugase activity against the FXR antagonist T-β-MCA

M DiMarzio, B Rusconi, Neela Yennawar, M Eppinger, Andrew D. Patterson, Edward G. Dudley, 2017, PLoS One on p. e0183564

Escherichia coli O157: H7 strains harbor at least three distinct sequence types of Shiga toxin 2a-converting phages

Shuang Yin, Brigida Rusconi, Fatemeh Sanjar, Kakolie Goswami, Lingzi Xiaoli, Mark Eppinger, Edward G. Dudley, 2015, BMC Genomics

Critical concentration of lecithin enhances the antimicrobial activity of eugenol against Escherichia coli

Haoshu Zhang, Edward G. Dudley, P. Michael Davidson, Federico Harte, 2017, Applied and Environmental Microbiology on p. e03467-16

News Articles Featuring Edward Dudley

Feb 10, 2025

Sustainable Labs Program increases participant engagement, welcomes new labs

Two upcoming virtual sessions will cover how labs can learn more and join next year’s cohort.

Full Article

Dec 09, 2024

The stories that defined 2024 for the One Health Microbiome Center at Penn State

The One Health Microbiome Center has grown, and 2024’s most popular articles below highlight the determination and innovative research by Center members in the gut microbiome, nutritional sciences, food science and agriculture, in addition to headlines featuring partnerships and internships paving the way for future success.

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Sep 25, 2024

Wastewater monitoring can detect foodborne illness, researchers find

A team of scientists from Penn State and the Pennsylvania Department of Health have shown that domestic sewage monitoring is useful for a foodborne pathogen as well.

Full Article

Sep 23, 2024

Wastewater holds the key to early disease detection

In more recent years, wastewater surveillance has become a comprehensive disease monitoring tool. Now, researchers from Penn State University and the Pennsylvania Department of Health have demonstrated another promising application for this surveillance tool.

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Sep 19, 2024

Wastewater monitoring can detect foodborne illness, researchers find

Results of a new study suggest sewage monitoring could provide early warning of foodborne disease outbreaks to public health authorities

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Sep 22, 2023

Researchers aim to reduce antimicrobial resistance in Puerto Rico dairy industry

Using a $1 million grant from the USDA, a Penn State-led research team will assess levels of antimicrobial-resistant microorganisms in Puerto Rico's dairy industry and train farmers and students to mitigate the health threat they pose.

Full Article

Aug 22, 2023

One Health Microbiome Center's 2023-24 Interdisciplinary Innovation Fellows

The One Health Microbiome Center (OHMC) in the Huck Institutes of the Life Sciences at Penn State has named five recipients for its 2023-24 Interdisciplinary Innovation Fellowships (IIF) program.

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Mar 02, 2023

New partnership will address health and food safety challenges in Kenya

Representatives from Penn State, Meru University of Science and Technology, and Meru County in Kenya signed a memorandum of understanding today (March 2) in a ceremony in Kenya to formally commence their new partnership. This collaboration also will involve the Technical University of Denmark.

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Oct 27, 2022

Microbiologist in food science, E. coli Reference Center gets grant for research

A Penn State microbiologist and the huge collection of bacteria he oversees recently received a four-year, $371,000 grant from the National Science Foundation to be part of a multi-institutional $2.5 million research project aimed at predicting “bacteriophage” resistance from only a genome sequence.

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Aug 07, 2019

Whole genome sequencing may help officials get a handle on disease outbreaks

Researchers used whole genome sequencing to investigate shigella, salmonella pathogens.

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