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

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 Cephalosporins

Most 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