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

Publication Tags

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Serogroup Clustered Regularly Interspaced Short Palindromic Repeats Salmonella Enterica Food Salmonella Virulence Disease Outbreaks Genomics Genome Methodology Bacteria Animals Genes Salmonella Typhimurium Dna Pulsed Field Gel Electrophoresis Pathogens Meat Escherichia Coli Whole Genome Sequencing Chickens Serotypes Microbial Drug Resistance Multiple Drug Resistance Quinolones

Most Recent Publications

Whole-Genome Subtyping Reveals Population Structure and Host Adaptation of Salmonella Typhimurium from Wild Birds

Yezhi Fu, Nkuchia M. M’ikanatha, Edward G. Dudley, 2023, Journal of Clinical Microbiology

High resistance of fluoroquinolone and macrolide reported in avian pathogenic Escherichia coli isolates from the humid subtropical regions of Pakistan

Amna Jalil, Saleha Masood, Quratul Ain, Saadia Andleeb, Edward G. Dudley, Fazal Adnan, 2023, Journal of Global Antimicrobial Resistance on p. 5-17

Global Distribution of O Serotypes and Antibiotic Resistance in Extraintestinal Pathogenic Escherichia coli Collected from the Blood of Patients with Bacteremia Across Multiple Surveillance Studies

Eveline Weerdenburg, Todd Davies, Brian Morrow, Aldert L. Zomer, Peter Hermans, Oscar Go, Bart Spiessens, Thijs van den Hoven, Gunter van Geet, Moussa Aitabi, Chitrita Debroy, Edward G. Dudley, Marc Bonten, Jan Poolman, Jeroen Geurtsen, 2023, Clinical Infectious Diseases on p. e1236-e1243

Comparison of genotypic and phenotypic predictions for heavy metal resistance in <i>Salmonella enterica</i> and <i>Escherichia coli</i>

Jeevan Riverez-Diaz, Haley Phillippi, Nyduta Mbodo, Erin Nawrocki, Edward Dudley, 2022, American Journal of Undergraduate Research on p. 3-15

Virulence Potential of Escherichia coli Isolates from a Beef Farm in Puerto Rico

Yadira Malavez, Paola N. Loperena-Gonzalez, Sharon M. Nieves-Miranda, Enilanice Vazquez-Rodriguez, Carlos N. Centeno-Velez, Lingzi Xiaoli, Edward G. Dudley, 2022, Genome Announcements

Increase in quinolone resistance among salmonella isolates from retail meat samples is driven by Salmonella enteritidis and Salmonella infantis

Xin Yin, Edward G. Dudley, Casey N. Pinto, Nkuchia M. M'ikanatha, 2022, Journal of Global Antimicrobial Resistance on p. 487-488

Corrigendum to ‘Fluoroquinolone sales in food animals and quinolone resistance in non-typhoidal Salmonella from retail meats: United States, 2009–2018’ [Journal of Global Antimicrobial Resistance 29 (2022) 163-167, (Journal of Global Antimicrobial Resistance (2022) 29(163-167) (S2213716522000595), (10.1016/j.jgar.2022.03.005))

Xin Yin, Edward G. Dudley, Casey N. Pinto, Nkuchia M. M'ikanatha, 2022, Journal of Global Antimicrobial Resistance on p. 489

Fluoroquinolone sales in food animals and quinolone resistance in non-typhoidal Salmonella from retail meats: United States, 2009–2018

Xin Yin, Edward G. Dudley, Casey N. Pinto, Nkuchia M. M'ikanatha, 2022, Journal of Global Antimicrobial Resistance on p. 163-167

Comparative Genomic Analysis of Salmonella enterica Serovar Typhimurium Isolates from Passerines Reveals Two Lineages Circulating in Europe, New Zealand, and the United States

Yezhi Fu, Nkuchia M. M'ikanatha, Edward G. Dudley, 2022, Applied and Environmental Microbiology

Genomic analysis of Salmonella Typhimurium from humans and food sources accurately predicts phenotypic multi-drug resistance

Xin Yin, Yezhi Fu, Heather Tate, Casey Pinto, Edward G. Dudley, Nkuchia M. M'ikanatha, 2022, Food Microbiology

Most-Cited Papers

CRISPRs: Molecular Signatures Used for Pathogen Subtyping

Nikki Shariat, Edward G. Dudley, 2014, Applied and Environmental Microbiology on p. 430-439

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

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

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

The combination of CRISPR-MVLST and PFGE provides increased discriminatory power for differentiating human clinical isolates of Salmonella enterica subsp. enterica serovar Enteritidis

Nikki Shariat, Michael J. DiMarzio, Shuang Yin, Lisa Dettinger, Carol H. Sandt, James R. Lute, Rodolphe Barrangou, Edward G. Dudley, 2013, Food Microbiology on p. 164-173

The evolutionary divergence of shiga toxin-producing escherichia coli is reflected in clustered regularly interspaced short palindromic repeat (CRISPR) spacer composition

Shuang Yin, Mark A. Jensen, Jiawei Bai, Chitrita DebRoy, Rodolphe Barrangou, Edward G. Dudley, 2013, Applied and Environmental Microbiology on p. 5710-5720

CRISPR-MVLST subtyping of Salmonella enterica subsp. enterica serovars Typhimurium and Heidelberg and application in identifying outbreak isolates

Nikki Shariat, Carol H. Sandt, Michael J. Dimarzio, Rodolphe Barrangou, Edward G. Dudley, 2013, BMC Microbiology

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

Subtyping of Salmonella enterica serovar newport outbreak isolates by CRISPR-MVLST and determination of the relationship between CRISPR-MVLST and PFGE results

Nikki Shariat, Margaret K. Kirchner, Carol H. Sandt, Eija Trees, Rodolphe Barrangou, Edward G. Dudley, 2013, Journal of Clinical Microbiology on p. 2328-2336

Antibiotic resistance in salmonella enterica serovar typhimurium associates with CRISPR sequence type

Michael Di Marzio, Nikki Shariat, Subhashinie Kariyawasam, Rodolphe Barrangou, Edward G. Dudley, 2013, Antimicrobial Agents and Chemotherapy on p. 4282-4289

News Articles Featuring Edward Dudley

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.

Full Article

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.

Full Article

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.

Full Article

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.

Full Article