Edward G Dudley, Ph.D.
- Director of E. coli Reference Center
- Professor of Food Science
University Park, PA 16802
- Email egd100@psu.edu
- Office 814-867-0439
Areas of Expertise
- Microbiology
- Microbial pathogens
- Molecular microbiology
- Microbial genomics
- Food Safety
- Food Microbiology
Websites
Education
- Postdoctoral research, University of Maryland School of Medicine
- Ph.D., University of Wisconsin Madison, Bacteriology, 2000
- M.S., University of Wisconsin Madison, Food Science, 1994
- B.S., Penn State University, Microbiology, 1991
Other Affiliations
Molecular Cellular and Integrative Biosciences
Center for Molecular Immunology and Infectious Disease
Center for Infectious Disease Dynamics
Current research projects
For research interests, please visit my group website.
Publications
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
J.MILK.FOOD TECHNOL., Soku, Yesutor K., Mohamed, Abdelrahman, Samuel, Temesgen, Dessai, Uday, Walls, Isabel, Rockwell, Catherine, Fortenberry, Gamola, Berutti, Tracy, Nieves-Miranda, Sharon, Nawrocki, Erin M., Fu, Yezhi, Dudley, Edward, Mamber, Stephen W., Hicks, John, 2024
A Comparative Study on Antimicrobial Resistance in Escherichia coli Isolated from Channel Catfish and Related Freshwater Fish Species
J.MILK.FOOD TECHNOL., Soku, Yesutor K., Mohamed, Abdelrahman, Samuel, Temesgen, Dessai, Uday, Walls, Isabel, Rockwell, Catherine, Fortenberry, Gamola, Berutti, Tracy, Nieves-Miranda, Sharon, Nawrocki, Erin M., Fu, Yezhi, Dudley, Edward, Mamber, Stephen W., Hicks, John, Beck, Benjamin H., 2024
Genomic characterization of Listeria monocytogenes and Listeria innocua isolated from milk and dairy samples in Ethiopia
BMC Genomic Data, Wei, Xiaoyuan, Hassen, Anwar, McWilliams, Karen, Pietrzen, Karen, Chung, Taejung, Acevedo, Marysabel, Chandross-Cohen, Tyler, Dudley, Edward, Vipham, Jessie, Mamo, Hassen, Tessema, Tesfaye, Zewdu, Ashagrie, Kovac, Jasna, 2024
Exploring Antimicrobial Resistance Profiles of E. coli Isolates in Dairy Cattle: A Baseline Study across Dairy Farms with Varied Husbandry Practices in Puerto Rico
Microorganisms, Malavez, Yadira, Nieves-Miranda, Sharon M., Loperena Gonzalez, Paola N., Padin-Lopez, Adrian F., Xiaoli, Lingzi, Dudley, Edward G., 2023
High resistance of fluoroquinolone and macrolide reported in avian pathogenic Escherichia coli isolates from the humid subtropical regions of Pakistan
Journal of Global Antimicrobial Resistance, Jalil, Amna, Masood, Saleha, Ain, Quratul, Andleeb, Saadia, Dudley, Edward G., Adnan, Fazal, 2023
Whole-Genome Subtyping Reveals Population Structure and Host Adaptation of Salmonella Typhimurium from Wild Birds
Journal of Clinical Microbiology, Fu, Yezhi, M’ikanatha, Nkuchia M., Dudley, Edward G., 2023
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
Clinical Infectious Diseases, Weerdenburg, Eveline, Davies, Todd, Morrow, Brian, Zomer, Aldert L., Hermans, Peter, Go, Oscar, Spiessens, Bart, van den Hoven, Thijs, van Geet, Gunter, Aitabi, Moussa, Debroy, Chitrita, Dudley, Edward G., Bonten, Marc, Poolman, Jan, Geurtsen, Jeroen, 2023
Comparison of genotypic and phenotypic predictions for heavy metal resistance in Salmonella enterica and Escherichia coli
American Journal of Undergraduate Research, Riverez-Diaz, Jeevan, Phillippi, Haley, Mbodo, Nyduta, Nawrocki, Erin, Dudley, Edward, 2022
Virulence Potential of Escherichia coli Isolates from a Beef Farm in Puerto Rico
Genome Announcements, Malavez, Yadira, Loperena-Gonzalez, Paola N., Nieves-Miranda, Sharon M., Vazquez-Rodriguez, Enilanice, Centeno-Velez, Carlos N., Xiaoli, Lingzi, Dudley, Edward G., 2022
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))
Journal of Global Antimicrobial Resistance, Yin, Xin, Dudley, Edward G., Pinto, Casey N., M'ikanatha, Nkuchia M., 2022
Increase in quinolone resistance among salmonella isolates from retail meat samples is driven by Salmonella enteritidis and Salmonella infantis
Journal of Global Antimicrobial Resistance, Yin, Xin, Dudley, Edward G., Pinto, Casey N., M'ikanatha, Nkuchia M., 2022
Fluoroquinolone sales in food animals and quinolone resistance in non-typhoidal Salmonella from retail meats: United States, 2009–2018
Journal of Global Antimicrobial Resistance, Yin, Xin, Dudley, Edward G., Pinto, Casey N., M'ikanatha, Nkuchia M., 2022
Genomic analysis of Salmonella Typhimurium from humans and food sources accurately predicts phenotypic multi-drug resistance
Food Microbiology, Yin, Xin, Fu, Yezhi, Tate, Heather, Pinto, Casey, Dudley, Edward G., M'ikanatha, Nkuchia M., 2022
Comparative Genomic Analysis of Salmonella enterica Serovar Typhimurium Isolates from Passerines Reveals Two Lineages Circulating in Europe, New Zealand, and the United States
Applied and Environmental Microbiology, Fu, Yezhi, M'ikanatha, Nkuchia M., Dudley, Edward G., 2022
Salmonella enterica Serovar Typhimurium Isolates from Wild Birds in the United States Represent Distinct Lineages Defined by Bird Type
Applied and Environmental Microbiology, Fu, Yezhi, M'ikanatha, Nkuchia M., Lorch, Jeffrey M., Blehert, David S., Berlowski-Zier, Brenda, Whitehouse, Chris A., Li, Shaoting, Deng, Xiangyu, Smith, Jared C., Shariat, Nikki W., Nawrocki, Erin M., Dudley, Edward G., 2022
Mcc1229, an Stx2a-Amplifying Microcin, Is Produced In Vivo and Requires CirA for Activity
Infection and Immunity, Nawrocki, Erin M., Hutchins, Laura E., Eaton, Kathryn A., Dudley, Edward G., 2022
Evidence for common ancestry and microevolution of passerine-adapted Salmonella enterica serovar Typhimurium in the UK and USA
Microbial genomics, Fu, Yezhi, Smith, Jared C., Shariat, Nikki W., M’ikanatha, Nkuchia M., Dudley, Edward G., 2022
Mcc1229, an Stx2a-amplifying microcin, is produced in vivo and requires CirA for activity.
Infection and immunity, Nawrocki, E, Hutchins, L, Eaton, K, Dudley, Edward, 2021
Antimicrobial-coated films as food packaging: A review
Comprehensive Reviews in Food Science and Food Safety, Fu, Yezhi, Dudley, Edward G., 2021
O-serotype distribution of Escherichia coli bloodstream infection isolates in critically ill patients in The Netherlands
Vaccine, Verboom, D. M., Varkila, M. R.J., Morrow, B., Davies, T., Ibarra de Palacios, P., Poolman, J., Hermans, P. W.M., Dudley, E. G., Roberts, E., Cremer, O. L., Bonten, M. J.M., 2021
A Targeted Sequencing Assay for Serotyping Escherichia coli Using AgriSeq Technology
Frontiers in Microbiology, Elder, Jacob R., Fratamico, Pina M., Liu, Yanhong, Needleman, David S., Bagi, Lori, Tebbs, Robert, Allred, Adam, Siddavatam, Prasad, Suren, Haktan, Gujjula, Krishna Reddy, DebRoy, Chitrita, Dudley, Edward G., Yan, Xianghe, 2021
CRISPR typing in Salmonella, Shariat, Nikki, Dudley, Edward, 2021
CRISPR Typing of Salmonella Isolates, Shariat, Nikki, Dudley, Edward, 2021
Low occurrence of multi-antimicrobial and heavy metal resistance in Salmonella enterica from wild birds in the United States
Environmental Microbiology, Fu, Yezhi, M'ikanatha, Nkuchia M., Whitehouse, Chris A., Tate, Heather, Ottesen, Andrea, Lorch, Jeffrey M., Blehert, David S., Berlowski-Zier, Brenda, Dudley, Edward G., 2021
The Intriguing Interaction of Escherichia coli with the Host Environment and Innovative Strategies To Interfere with Colonization: a Summary of the 2019 E. coli and the Mucosal Immune System Meeting
Applied and Environmental Microbiology, Cox, Eric, Aloulou, Meryem, Fleckenstein, James M., Schäffer, Christina, Sjöling, Åsa, Schüller, Stephanie, Hanevik, Kurt, Devriendt, Bert, Zhang, Weiping, Svennerholm, Ann Mari, Dudley, Edward G., 2020
Special Section on the Third International E. coli and the Mucosal Immune System (ECMIS) Symposium
Applied and Environmental Microbiology, Dudley, Edward G., 2020
A Toxic Environment: a Growing Understanding of How Microbial Communities Affect Escherichia coli O157:H7 Shiga Toxin Expression
Applied and Environmental Microbiology, Nawrocki, Erin M., Mosso, Hillary M., Dudley, Edward G., 2020
Whole Genome Sequencing: The Impact on Foodborne Outbreak Investigations, Kovac, Jasna, Dudley, Edward G., Nawrocki, Erin M., Yan, Runan, Chung, Taejung, 2020
Novel Effective Bacillus cereus Group Species “Bacillus clarus” Is Represented by Antibiotic-Producing Strain ATCC 21929 Isolated from Soil
mSphere, Acevedo, Marysabel Méndez, Méndez Acevedo, M, Carroll, Laura M., Mukherjee, M, Mills, E, Xiaoli, Lingzi, Dudley, Edward G., Kovac, Jasna, 2020
Draft genome sequences of isolates of diverse host origin from the E. coli reference center at penn state university
Genome Announcements, Lacher, David W., Mammel, Mark K., Gangiredla, Jayanthi, Gebru, Solomon T., Barnaba, Tammy J., Majowicz, Sydney A., Dudley, Edward G., 2020
Whole-genome sequences of salmonella isolates from an ecological wastewater treatment system
Genome Announcements, Connolly, Charles J., Kaminsky, Laura, Pinto, Gabriella N., Sinclair, Priscilla C., Bajracharya, Gyasu, Yan, Runan, Nawrocki, Erin M., Dudley, Edward G., Kovaca, Jasna, 2020
Microbial synergy between Pichia kudriazevii YS201 and Bacillus subtilis BS38 improves pulp degradation and aroma production in cocoa pulp simulation medium
Heliyon, Ouattara, Honoré G., Elias, Ryan J., Dudley, Edward G., 2020
A putative microcin amplifies Shiga toxin 2a production of Escherichia coli O157:H7
Journal of Bacteriology, Mosso, Hillary M., Xiaoli, Lingzi, Banerjee, Kakolie, Hoffmann, Maria, Yao, Kuan, Dudley, Edward G., 2019
Detection of CTX-M-1 extended-spectrum beta-lactamase among ceftiofur-resistant Salmonella enterica clinical isolates of poultry
Journal of Veterinary Diagnostic Investigation, Denagamage, T, Wallner-Pendleton, Eva, Jayarao, Bhushan, Xiaoli, L, Dudley, Edward G., Wolfgang, D, Kariyawasam, S, 2019
Use of whole genome sequencing in surveillance for antimicrobial-resistant Shigella sonnei infections acquired from domestic and international sources
Microbial genomics, Abelman, Rebecca L., M'ikanatha, Nkuchia M., Figler, Hillary M., Dudley, Edward G., 2019
Retrospective whole-genome sequencing analysis distinguished PFGE and drug-resistance-matched retail meat and clinical Salmonella isolates
Journal of General Microbiology, Keefer, Andrea B., Xiaoli, Lingzi, M’ikanatha, Nkuchia M., Yao, Kuan, Hoffmann, Maria, Dudley, Edward G., 2019
Whole-genome sequences of Escherichia coli isolates from cocoa beans imported from bolivia
Genome Announcements, Nwanosike, Hephzibah, Chung, Taejung, Xiaoli, Lingzi, Condello, Megan, Dudley, Edward G., Kovac, Jasna, 2019
Whole-genome sequencing reveals resistome of highly drug-resistant retail meat and human Salmonella Dublin
Zoonoses and Public Health, Eyler, Andrea B., M'ikanatha, Nkuchia M., Xiaoli, Lingzi, Dudley, Edward G., 2019
Non-pathogenic escherichia coli enhance Stx2a production of E. coli O157:H7 through both bamA-dependent and independent mechanisms
Frontiers in Microbiology, Xiaoli, Lingzi, Figler, Hillary M., Banerjee, Kakolie Goswami, Hayes, Christopher S., Dudley, Edward G., 2018
Critical synergistic concentration of lecithin phospholipids improves the antimicrobial activity of eugenol against Escherichia coli
Applied and Environmental Microbiology, Zhang, Haoshu, Dudley, Edward G., Harte, Federico, 2017
Identification of a mouse Lactobacillus johnsonii strain with deconjugase activity against the FXR antagonist T-β-MCA
PLoS One, DiMarzio, Michael, Rusconi, Brigida, Yennawar, Neela H., Eppinger, Mark, Patterson, Andrew D., Dudley, Edward G., 2017
Critical concentration of lecithin enhances the antimicrobial activity of eugenol against Escherichia coli
Applied and Environmental Microbiology, Zhang, Haoshu, Dudley, Edward G., Davidson, P. Michael, Harte, Federico, 2017
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
J.MILK.FOOD TECHNOL., Scheinberg, Joshua A., Dudley, Edward G., Campbell, Jonathan, Roberts, Beth, DiMarzio, Michael, DebRoy, Chitrita, Cutter, Catherine N., 2017
Draft genome sequence of Bacillus velezensis GF610, a producer of potent anti- Listeria agents
Genome Announcements, Gerst, Michelle M., Dudley, Edward G., Xiaoli, Lingzi, Yousef, Ahmed E., 2017
Draft genome sequence of Brevibacillus laterosporus OSY-I1, a strain that produces brevibacillin, which combats drug-resistant Gram-positive bacteria
Genome Announcements, Yang, Xu, Huang, En, Yesil, Mustafa, Xiaoli, Lingzi, Dudley, Edward G., Yousef, Ahmed E., 2017
Whole-genome sequence of Escherichia coli serotype O157:H7 strain PA20
Genome Announcements, Uhlich, Gaylen A., Paoli, George C., Zhang, Xinmin, Dudley, Edward G., Figler, Hillary M., Cottrell, Bryan J., Andreozzi, Elisa, 2017
A quantitative enzyme-linked immuosorbant assay for Shiga-toxin 2 requiring only commercially available components
Advance Food Technology Nutrition Science Open Journal, Xiaoli, Lingzi, Dudley, Edward, 2017
Longitudinal Monitoring of Successive Commercial Layer Flocks for Salmonella enterica Serovar Enteritidis
Foodborne Pathogens and Disease, Denagamage, T, Patterson, Paul, Wallner-Pendleton, Eva, Trampel, D, Shariat, N, Dudley, Edward G., Jayarao, Bhushan M., Kariyawasam, S, 2016
Commercially Available Rapid Methods for Detection of Selected Food-borne Pathogens
Critical Reviews in Food Science and Nutrition, Valderrama, Wladir B., Dudley, Edward G., Doores, Stephanie, Cutter, Catherine N., 2016
Prevalence and Spatial Distribution of Salmonella Infections in the Pennsylvania Raccoon (Procyon lotor)
Zoonoses and Public Health, Very, K, Kirchner, M, Shariat, N, Cottrell, W, Sandt, C, Dudley, E. G., Kariyawasam, S, Jayarao, B. M., 2016
The interplay of Escherichia coli O157:H7 and commensal E. coli: The importance of strain-level identification
Expert Review of Gastroenterology and Hepatology, Figler, Hillary M., Dudley, Edward G., 2016
CRISPR-Based Typing and Next-Generation Tracking Technologies
Annual review of food science and technology, Barrangou, Rodolphe, Dudley, Edward G., 2016
Diversity of secretion systems associated with virulence characteristics of the classical bordetellae
Journal of General Microbiology, Park, Jihye, Zhang, Ying, Chen, Chun, Dudley, Edward G., Harvill, Eric T., 2015
A newly discovered Bordetella species carries a transcriptionally active CRISPR-Cas with a small Cas9 endonuclease
BMC Genomics, Ivanov, Yury V., Shariat, Nikki, Register, Karen B., Linz, Bodo, Rivera, Israel, Hu, Kai, Dudley, Edward G., Harvill, Eric T., 2015
Escherichia coli O157: H7 strains harbor at least three distinct sequence types of Shiga toxin 2a-converting phages
BMC Genomics, Yin, Shuang, Rusconi, Brigida, Sanjar, Fatemeh, Goswami, Kakolie, Xiaoli, Lingzi, Eppinger, Mark, Dudley, Edward G., 2015
Diversity of CRISPR loci and virulence genes in pathogenic Escherichia coli isolates from various sources
International Journal of Food Microbiology, Jiang, Yun, Yin, Shuang, Dudley, Edward G., Cutter, Catherine N., 2015
Coculture of Escherichia coli O157:H7 with a nonpathogenic E. coli strain increases toxin production and virulence in a germfree mouse model
Infection and Immunity, Goswami, Kakolie, Chen, Chun, Xiaoli, Lingzi, Eaton, Kathryn A., Dudley, Edward G., 2015
Characterization and evolution of Salmonella CRISPR-Cas systems
Journal of General Microbiology, Shariat, Nikki, Timme, Ruth E., Pettengill, James B., Barrangou, Rodolphe, Dudley, Edward G., 2015
Comparative analysis of subtyping methods against a whole-genome-sequencing standard for Salmonella enterica serotype Enteritidis
Journal of Clinical Microbiology, Deng, Xiangyu, Shariat, Nikki, Driebe, Elizabeth M., Roe, Chandler C., Tolar, Beth, Trees, Eija, Keim, Paul, Zhang, Wei, Dudley, Edward G., Fields, Patricia I., Engelthaler, David M., 2015
Complete nucleotide sequence of pRS218, a large virulent plasmid that augment pathogenic potential of meningitis-associated Escherichia coli strain RS218
BMC Microbiology, Wijetunge, D, Karunathilake, E, Chaudhari, A, Katani, R, Dudley, Edward, Kapur, V, DebRoy, C, Kariyawasam, S, 2015
Genome sequence of Escherichia coli O157: H7 strain 2886-75, associated with the first reported case of human infection in the United States
Genome Announcements, Sanjar, Fatemeh, Hazen, Tracy H., Shah, Sadiq M., Koenig, Sara S.K., Agrawal, Sonia, Daugherty, Sean, Sadzewicz, Lisa, Tallon, Luke J., Mammel, Mark K., Feng, Peter, Soderlund, Robert, Tarr, Phillip I., DebRoy, Chitrita, Dudley, Edward G., Cebula, Thomas A., Ravel, Jacques, Fraser, Claire M., Rasko, David A., Eppinger, Mark, 2014
Ceramide trihexoside bottom spot as a receptor to detect Shiga toxin 2 from STEC
August 2014 newsletter of Matreya, LLC, Xiaoli, L, Goswami, K, Dudley, Edward, 2014
CRISPRs: molecular markers for tracking antibiotic resistant strains of Salmonella enterica
Winter 2014 newsletter of the Alliance for the Prudent Use of Antibiotics, Dudley, Edward, 2014
Complete nucleotide sequence of pRS218, a large virulence plasmid, that augments pathogenic potential of meningitis-associated Escherichia coli strain RS218
BMC Microbiology, Wijetunge, Dona Saumya S., Karunathilake, Kurundu Hewage Eranda M., Chaudhari, Atul, Katani, Robab, Dudley, Edward G., Kapur, Vivek, Debroy, Chitrita, Kariyawasam, Subhashinie, 2014
CRISPRs: Molecular Signatures Used for Pathogen Subtyping
Applied and Environmental Microbiology, Shariat, Nikki, Dudley, Edward G., 2014