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

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427 Erickson Food Science
University Park, PA 16802 - egd100@psu.edu
- 814-867-0439
Research Summary
Mechanisms driving toxin production in Shiga-toxigenic Escherichia coli; use of genome sequencing to track pathogen transmission during foodborne outbreaks
Huck Affiliations
- Center for Infectious Disease Dynamics
- Molecular, Cellular, and Integrative Biosciences
- Microbiome Center
Links
Publication Tags
Genes Serogroup Salmonella Enterica Clustered Regularly Interspaced Short Palindromic Repeats Virulence Salmonella Disease Outbreaks Serotypes Genome Escherichia Coli Pulsed Field Gel Electrophoresis Plasmids Multigene Family Shiga Toxigenic Escherichia Coli Poultry Ceftiofur Multilocus Sequence Typing Shiga Toxin Producing Escherichia Coli Food Polymerase Chain Reaction Genotype Antigens Inverted Repeat Sequences Infection CephalosporinsMost Recent Papers
The Intriguing Interaction of <i>Escherichia coli </i>with the Host Environment and Innovative Strategies To Interfere with Colonization: a Summary of the 2019 <i>E. coli</i> and the Mucosal Immune System Meeting.
E Cox, M Aloulou, J Fleckenstein, C Schäffer, Å Sjöling, S Schüller, K Hanevik, B Devriendt, W Zhang, A Svennerholm, Edward Dudley, 2020, Applied and Environmental Microbiology
Special Section on the Third International <i>E. coli</i> and the Mucosal Immune System (ECMIS) Symposium.
Edward Dudley, 2020, Applied and Environmental Microbiology
Novel effective bacillus cereus group species "bacillus clarus" is represented by antibiotic-producing strain ATCC 21929 isolated from soil
Marysabel Méndez Acevedo, Laura M. Carroll, Manjari Mukherjee, Emma Mills, Lingzi Xiaoli, Edward G. Dudley, Jasna Kovac, 2020, mSphere
Draft genome sequences of isolates of diverse host origin from the E. coli reference center at penn state university
David W. Lacher, Mark K. Mammel, Jayanthi Gangiredla, Solomon T. Gebru, Tammy J. Barnaba, Sydney A. Majowicz, Edward G. Dudley, 2020, Microbiology Resource Announcements
Whole-genome sequences of salmonella isolates from an ecological wastewater treatment system
Charles J. Connolly, Laura Kaminsky, Gabriella N. Pinto, Priscilla C. Sinclair, Gyasu Bajracharya, Runan Yan, Erin M. Nawrocki, Edward G. Dudley, Jasna Kovaca, 2020, Microbiology Resource Announcements
A Putative Microcin Amplifies Shiga Toxin 2a Production of Escherichia coli O157:H7
Hillary M. Mosso, Lingzi Xiaoli, Kakolie Banerjee, Maria Hoffmann, Kuan Yao, Edward G. Dudley, 2019, Journal of bacteriology
Detection of CTX-M-1 extended-spectrum beta-lactamase among ceftiofur-resistant Salmonella enterica clinical isolates of poultry
Thomas N. Denagamage, Eva A. Wallner-Pendleton, Bhushan M. Jayarao, Lingzi Xiaoli, Edward G. Dudley, David Wolfgang, Subhashinie Kariyawasam, 2019, Journal of Veterinary Diagnostic Investigation on p. 681-687
Use of whole genome sequencing in surveillance for antimicrobial-resistant Shigella sonnei infections acquired from domestic and international sources
Rebecca L. Abelman, Nkuchia M. M'ikanatha, Hillary M. Figler, Edward G. Dudley, 2019, Microbial genomics
Retrospective whole-genome sequencing analysis distinguished PFGE and drug-resistance-matched retail meat and clinical Salmonella isolates
Andrea B. Keefer, Lingzi Xiaoli, Nkuchia M. M’ikanatha, Kuan Yao, Maria Hoffmann, Edward G. Dudley, 2019, Microbiology (United Kingdom) on p. 270-286
Whole-genome sequences of Escherichia coli isolates from cocoa beans imported from bolivia
Hephzibah Nwanosike, Taejung Chung, Lingzi Xiaoli, Megan Condello, Edward G. Dudley, Jasna Kovac, 2019, Microbiology Resource Announcements
Most-Cited Papers
Novel virulence gene and clustered regularly interspaced short palindromic repeat (CRISPR) multilocus sequence typing scheme for subtyping of the major serovars of Salmonella enterica subsp. enterica
Fenyun Liu, Rodolphe Barrangou, Peter Gerner-Smidt, Efrain M. Ribot, Stephen John Knabel, Edward G. Dudley, 2011, Applied and Environmental Microbiology on p. 1946-1956
Subtyping <i>Salmonella</i> serovar Enteritidis isolates from different sources using multilocus sequence typing based on virulence genes and CRISPRs
F Liu, S Kariyawasam, B Jayarao, R Barrangou, P Gerner-Smidt, E Ribot, S Knabel, Edward Dudley, 2011, Applied and Environmental Microbiology on p. 4520-4526
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
Detection of shiga toxin-producing escherichia coli O26, O45, O103, O111, O113, O121, O145, and O157 serogroups by multiplex polymerase chain reaction of the wzx gene of the O-antigen gene cluster
Chitrita Debroy, Elisabeth Roberts, Angela M. Valadez, Edward G. Dudley, Catherine N. Cutter, 2011, Foodborne pathogens and disease on p. 651-652
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
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
Characterization and evolution of Salmonella CRISPR-Cas systems
Nikki Shariat, Ruth E. Timme, James B. Pettengill, Rodolphe Barrangou, Edward G. Dudley, 2015, Microbiology (United Kingdom) on p. 374-386
Antibiotic resistance in <i>Salmonella</i> Typhimurium associates with CRISPR sequence type
M DiMarzio, N Shariat, S Kariyawasam, R Barrangou, Edward Dudley, 2013, Antimicrobial Agents and Chemotherapy on p. 4282-4289