• 2328 Citations
  • 27 h-Index
19942019
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Research Output 1994 2019

2019

Detection of CTX-M-1 extended-spectrum beta-lactamase among ceftiofur-resistant Salmonella enterica clinical isolates of poultry

Denagamage, T. N., Wallner-Pendleton, E. A., Jayarao, B. M., Xiaoli, L., Dudley, E. G., Wolfgang, D. & Kariyawasam, S., Sep 1 2019, In : Journal of Veterinary Diagnostic Investigation. 31, 5, p. 681-687 7 p.

Research output: Contribution to journalArticle

ceftiofur
beta-lactamase
Salmonella enterica
beta-Lactamases
Poultry
1 Citation (Scopus)

Retrospective whole-genome sequencing analysis distinguished PFGE and drug-resistance-matched retail meat and clinical Salmonella isolates

Keefer, A. B., Xiaoli, L., M’ikanatha, N. M., Yao, K., Hoffmann, M. & Dudley, E. G., Mar 1 2019, In : Microbiology (United Kingdom). 165, 3, p. 270-286 17 p., 000768.

Research output: Contribution to journalArticle

Open Access
Pulsed Field Gel Electrophoresis
Drug Resistance
Salmonella
Meat
Genome

Use of whole genome sequencing in surveillance for antimicrobial-resistant Shigella sonnei infections acquired from domestic and international sources

Abelman, R. L., M'ikanatha, N. M., Figler, H. M. & Dudley, E. G., May 1 2019, In : Microbial genomics. 5, 5

Research output: Contribution to journalArticle

Open Access
Shigella sonnei
Genome
Infection
Trimethoprim Resistance
Shigella

Whole-genome sequences of Escherichia coli isolates from cocoa beans imported from bolivia

Nwanosike, H., Chung, T., Xiaoli, L., Condello, M., Dudley, E. G. & Kovac, J., Jan 17 2019, In : Microbiology Resource Announcements. 8, 3, e01516-18.

Research output: Contribution to journalArticle

Bolivia
Virulence
Genotype
Genome
Escherichia coli
2018
1 Citation (Scopus)

Non-pathogenic escherichia coli enhance Stx2a production of E. coli O157:H7 through both bamA-dependent and independent mechanisms

Xiaoli, L., Figler, H. M., Banerjee, K. G., Hayes, C. S. & Dudley, E. G., Jun 15 2018, In : Frontiers in Microbiology. 9, JUN, 1325.

Research output: Contribution to journalArticle

Escherichia coli O157
Bacteriophages
Escherichia coli
Shiga Toxins
Hemolytic-Uremic Syndrome
2017
3 Citations (Scopus)

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

Zhang, H., Dudley, E. G., Davidson, P. M. & Harte, F. M., Apr 1 2017, In : Applied and environmental microbiology. 83, 8, e03467-16.

Research output: Contribution to journalArticle

Eugenol
antimicrobial activity
Lecithins
eugenol
phosphatidylcholines
4 Citations (Scopus)
Eugenol
antimicrobial activity
Lecithins
eugenol
phospholipid
3 Citations (Scopus)

Draft genome sequence of Bacillus velezensis GF610, a producer of potent anti- Listeria agents

Gerst, M. M., Dudley, E. G., Xiaoli, L. & Yousef, A. E., Jan 1 2017, In : Genome Announcements. 5, 41, e01046-17.

Research output: Contribution to journalArticle

Listeria
Base Composition
Bacillus
Soil
Genome
2 Citations (Scopus)

Draft genome sequence of Brevibacillus laterosporus OSY-I1, a strain that produces brevibacillin, which combats drug-resistant Gram-positive bacteria

Yang, X., Huang, E., Yesil, M., Xiaoli, L., Dudley, E. G. & Yousef, A. E., Jan 1 2017, In : Genome Announcements. 5, 41, e01093-17.

Research output: Contribution to journalArticle

Brevibacillus
Gram-Positive Bacteria
Genome
Lipopeptides
Bacteria
3 Citations (Scopus)

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

DiMarzio, M., Rusconi, B., Yennawar, N., Eppinger, M., Patterson, A. D. & Dudley, E. G., Sep 1 2017, In : PloS one. 12, 9, e0183564.

Research output: Contribution to journalArticle

choloylglycine hydrolase
Lactobacillus johnsonii
beta acids
antagonists
receptors
10 Citations (Scopus)
farmers' markets
green leafy vegetables
Hygiene
hygiene
pork
1 Citation (Scopus)

Whole-genome sequence of Escherichia coli serotype O157:H7 strain PA20

Uhlich, G. A., Paoli, G. C., Zhang, X., Dudley, E. G., Figler, H. M., Cottrell, B. J. & Andreozzi, E., Jan 1 2017, In : Genome Announcements. 5, 2, e01460-16.

Research output: Contribution to journalArticle

Escherichia coli O157
Biofilms
Genome
Prophages
Transcription Factors
2016
22 Citations (Scopus)

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

Valderrama, W. B., Dudley, E. G., Doores, S. & Cutter, C. N., Jul 3 2016, In : Critical reviews in food science and nutrition. 56, 9, p. 1519-1531 13 p.

Research output: Contribution to journalReview article

Pathogens
food pathogens
rapid methods
Food
Microorganisms
21 Citations (Scopus)

CRISPR-Based Typing and Next-Generation Tracking Technologies

Barrangou, R. & Dudley, E. G., Feb 28 2016, In : Annual review of food science and technology. 7, p. 395-411 17 p.

Research output: Contribution to journalReview article

Clustered Regularly Interspaced Short Palindromic Repeats
Technology
Bacteria
Food Supply
bacteria
4 Citations (Scopus)

Longitudinal Monitoring of Successive Commercial Layer Flocks for Salmonella enterica Serovar Enteritidis

Denagamage, T. N., Patterson, P. H., Wallner-Pendleton, E. A., Trampel, D., Shariat, N., Dudley, E. G., Jayarao, B. M. & Kariyawasam, S., Nov 1 2016, In : Foodborne pathogens and disease. 13, 11, p. 618-625 8 p.

Research output: Contribution to journalArticle

Salmonella enteritidis
Salmonella Enteritidis
flocks
monitoring
Ovum
5 Citations (Scopus)

Prevalence and Spatial Distribution of Salmonella Infections in the Pennsylvania Raccoon (Procyon lotor)

Very, K. J., Kirchner, M. K., Shariat, N., Cottrell, W., Sandt, C. H., Dudley, E. G., Kariyawasam, S. & Jayarao, B. M., May 1 2016, In : Zoonoses and Public Health. 63, 3, p. 223-233 11 p.

Research output: Contribution to journalArticle

Raccoons
Procyon lotor
Salmonella Infections
salmonellosis
Salmonella
1 Citation (Scopus)
Host-Pathogen Interactions
Escherichia coli O157
Microbiota
Virulence Factors
Intestines
2015
10 Citations (Scopus)

A newly discovered Bordetella species carries a transcriptionally active CRISPR-Cas with a small Cas9 endonuclease

Ivanov, Y. V., Shariat, N., Register, K. B., Linz, B., Rivera, I., Hu, K., Dudley, E. G. & Harvill, E. T., Oct 26 2015, In : BMC genomics. 16, 1, 863.

Research output: Contribution to journalArticle

Clustered Regularly Interspaced Short Palindromic Repeats
Bordetella
Endonucleases
Prophages
Genes
28 Citations (Scopus)

Characterization and evolution of Salmonella CRISPR-Cas systems

Shariat, N., Timme, R. E., Pettengill, J. B., Barrangou, R. & Dudley, E. G., Jan 1 2015, In : Microbiology (United Kingdom). 161, 2, p. 374-386 13 p.

Research output: Contribution to journalArticle

Clustered Regularly Interspaced Short Palindromic Repeats
Salmonella
Genes
Nucleic Acid Repetitive Sequences
AT Rich Sequence
18 Citations (Scopus)

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

Goswami, K., Chen, C., Xiaoli, L., Eaton, K. A. & Dudley, E. G., Jan 1 2015, In : Infection and Immunity. 83, 11, p. 4185-4193 9 p.

Research output: Contribution to journalArticle

Escherichia coli O157
Coculture Techniques
Shiga Toxins
Virulence
Escherichia coli
44 Citations (Scopus)

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

Deng, X., Shariat, N., Driebe, E. M., Roe, C. C., Tolar, B., Trees, E., Keim, P., Zhang, W., Dudley, E. G., Fields, P. I. & Engelthaler, D. M., Jan 1 2015, In : Journal of clinical microbiology. 53, 1, p. 212-218 7 p.

Research output: Contribution to journalArticle

Salmonella enterica
Clustered Regularly Interspaced Short Palindromic Repeats
Disease Outbreaks
Genome
Virulence
9 Citations (Scopus)
Clustered Regularly Interspaced Short Palindromic Repeats
Virulence
virulence
Escherichia coli O26
Escherichia coli
2 Citations (Scopus)

Diversity of secretion systems associated with virulence characteristics of the classical bordetellae

Park, J., Zhang, Y., Chen, C., Dudley, E. G. & Harvill, E. T., Dec 1 2015, In : Microbiology (United Kingdom). 161, 12, p. 2328-2340 13 p.

Research output: Contribution to journalArticle

Virulence
Bordetella parapertussis
Bordetella bronchiseptica
Genes
Pertussis Vaccine
10 Citations (Scopus)

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

Yin, S., Rusconi, B., Sanjar, F., Goswami, K., Xiaoli, L., Eppinger, M. & Dudley, E. G., Sep 29 2015, In : BMC genomics. 16, 1, 733.

Research output: Contribution to journalArticle

Shiga Toxin
Escherichia coli O157
Bacteriophages
Genome
Prophages
2014
17 Citations (Scopus)

Complete nucleotide sequence of pRS218, a large virulence plasmid, that augments pathogenic potential of meningitis-associated Escherichia coli strain RS218

Wijetunge, D. S. S., Karunathilake, K. H. E. M., Chaudhari, A., Katani, R., Dudley, E. G., Kapur, V., Debroy, C. & Kariyawasam, S., Aug 28 2014, In : BMC Microbiology. 14, 1, 203.

Research output: Contribution to journalArticle

Escherichia coli Meningitis
Virulence
Plasmids
Escherichia coli
Cystitis
63 Citations (Scopus)

CRISPRs: Molecular Signatures Used for Pathogen Subtyping

Shariat, N. & Dudley, E. G., Jan 1 2014, In : Applied and environmental microbiology. 80, 2, p. 430-439 10 p.

Research output: Contribution to journalShort survey

Erwinia amylovora
pathogen
Inverted Repeat Sequences
DNA
Intergenic DNA
4 Citations (Scopus)

Genome sequence of Escherichia coli O157: H7 strain 2886-75, associated with the first reported case of human infection in the United States

Sanjar, F., Hazen, T. H., Shah, S. M., Koenig, S. S. K., Agrawal, S., Daugherty, S., Sadzewicz, L., Tallon, L. J., Mammel, M. K., Feng, P., Soderlund, R., Tarr, P. I., Debroy, C., Dudley, E. G., Cebula, T. A., Ravel, J., Fraser, C. M., Rasko, D. A. & Eppinger, M., Jan 1 2014, In : Genome Announcements. 2, 1, e01120-13.

Research output: Contribution to journalArticle

Escherichia coli O157
Genome
Enterohemorrhagic Escherichia coli
Infection
Food
2013
33 Citations (Scopus)

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

Di Marzio, M., Shariat, N., Kariyawasam, S., Barrangou, R. & Dudley, E. G., Sep 1 2013, In : Antimicrobial agents and chemotherapy. 57, 9, p. 4282-4289 8 p.

Research output: Contribution to journalArticle

Clustered Regularly Interspaced Short Palindromic Repeats
Salmonella enterica
Microbial Drug Resistance
Virulence
Food
15 Citations (Scopus)

Bifidobacterium animalis subsp. lactis ATCC 27673 Is a genomically unique strain within its conserved subspecies

Loquasto, J. R., Barrangou, R., Dudley, E. G., Stahl, B., Chen, C. & Roberts, R. F., Nov 1 2013, In : Applied and environmental microbiology. 79, 22, p. 6903-6910 8 p.

Research output: Contribution to journalArticle

subspecies
genome
Genome
Clustered Regularly Interspaced Short Palindromic Repeats
genetic variation
Molecular Evolution
Methicillin-Resistant Staphylococcus aureus
virulence
genotyping
Virulence
39 Citations (Scopus)

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

Shariat, N., Sandt, C. H., Dimarzio, M. J., Barrangou, R. & Dudley, E. G., Nov 12 2013, In : BMC microbiology. 13, 1, 254.

Research output: Contribution to journalArticle

Clustered Regularly Interspaced Short Palindromic Repeats
Salmonella enterica
Pulsed Field Gel Electrophoresis
Disease Outbreaks
Salmonella Infections
1 Citation (Scopus)

Dipeptidase DA

Dudley, E. G. & Steele, J. L., Aug 29 2013, Handbook of Proteolytic Enzymes. Elsevier Ltd, Vol. 3. p. 3657-3659 3 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

dipeptidase
4 Citations (Scopus)

Identification and characterization of spontaneous deletions within the Sp11-Sp12 prophage region of Escherichia coli O157:H7 Sakai

Chen, C., Lewis, C. R., Goswami, K., Roberts, E. L., Debroy, C. & Dudley, E. G., Mar 1 2013, In : Applied and environmental microbiology. 79, 6, p. 1934-1941 8 p.

Research output: Contribution to journalArticle

Prophages
Escherichia coli O157
Pulsed Field Gel Electrophoresis
pulsed-field gel electrophoresis
secretion
27 Citations (Scopus)

Phage insertion in mlrA and variations in rpoS limit curli expression and biofilm formation in Escherichia coli serotype O157: H7

Uhlich, G. A., Chen, C. Y., Cottrell, B. J., Hofmann, C. S., Dudley, E. G., Strobaugh, T. P. & Nguyen, L. H., Aug 1 2013, In : Microbiology (United Kingdom). 159, 8, p. 1586-1596 11 p.

Research output: Contribution to journalArticle

Escherichia coli O157
Biofilms
Bacteriophages
Cellulose
Sigma Factor
5 Citations (Scopus)
Shiga-Toxigenic Escherichia coli
meat processing plants
Shiga toxin-producing Escherichia coli
ground beef
Multiplex Polymerase Chain Reaction
3 Citations (Scopus)

Restrictive streptomycin resistance mutations decrease the formation of attaching and effacing lesions in escherichia coli O157:H7 strains

Chen, C., Blumentritt, C. A., Curtis, M. M., Sperandio, V., Torres, A. G. & Dudley, E. G., Sep 1 2013, In : Antimicrobial agents and chemotherapy. 57, 9, p. 4260-4266 7 p.

Research output: Contribution to journalArticle

Escherichia coli O157
Streptomycin
Mutation
Enterocytes
Phenotype
38 Citations (Scopus)

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

Shariat, N., Kirchner, M. K., Sandt, C. H., Trees, E., Barrangou, R. & Dudley, E. G., Jan 1 2013, In : Journal of clinical microbiology. 51, 7, p. 2328-2336 9 p.

Research output: Contribution to journalArticle

Clustered Regularly Interspaced Short Palindromic Repeats
Salmonella enterica
Pulsed Field Gel Electrophoresis
Disease Outbreaks
Virulence
50 Citations (Scopus)

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

Shariat, N., DiMarzio, M. J., Yin, S., Dettinger, L., Sandt, C. H., Lute, J. R., Barrangou, R. & Dudley, E. G., May 1 2013, In : Food Microbiology. 34, 1, p. 164-173 10 p.

Research output: Contribution to journalArticle

Clustered Regularly Interspaced Short Palindromic Repeats
Salmonella enterica
Salmonella Enteritidis
serotypes
salmonellosis
41 Citations (Scopus)

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

Yin, S., Jensen, M. A., Bai, J., Debroy, C., Barrangou, R. & Dudley, E. G., Sep 23 2013, In : Applied and environmental microbiology. 79, 18, p. 5710-5720 11 p.

Research output: Contribution to journalArticle

Clustered Regularly Interspaced Short Palindromic Repeats
Shiga-Toxigenic Escherichia coli
Shiga toxin-producing Escherichia coli
divergent evolution
toxin
1 Citation (Scopus)

Where are we heading with Salmonella molecular subtyping?

Shariat, N. & Dudley, E. G., Oct 1 2013, In : Future Microbiology. 8, 10, p. 1231-1233 3 p.

Research output: Contribution to journalReview article

Clustered Regularly Interspaced Short Palindromic Repeats
Molecular Typing
Molecular Epidemiology
Salmonella Infections
Salmonella
11 Citations (Scopus)

Whole-genome draft sequences of 26 enterohemorrhagic Escherichia coli O157:H7 strains

Eppinger, M., Daugherty, S., Agrawal, S., Galens, K., Sengamalay, N., Sadzewicz, L., Tallon, L., Cebula, T. A., Mammel, M. K., Feng, P., Soderlund, R., Tarr, P. I., Debroy, C., Dudley, E. G., Fraser, C. M. & Ravel, J., Jan 1 2013, In : Genome Announcements. 1, 2, e00134-12.

Research output: Contribution to journalArticle

Enterohemorrhagic Escherichia coli
Escherichia coli O157
Genome
North America
Food
2012
10 Citations (Scopus)

A combined multi-virulence-locus sequence typing and Staphylococcal Cassette Chromosome mec typing scheme possesses enhanced discriminatory power for genotyping MRSA

Verghese, B., Schwalm, N. D., Dudley, E. G. & Knabel, S. J., Dec 1 2012, In : Infection, Genetics and Evolution. 12, 8, p. 1816-1821 6 p.

Research output: Contribution to journalArticle

Methicillin-Resistant Staphylococcus aureus
virulence
genotyping
Virulence
chromosome
20 Citations (Scopus)

A Type VI Secretion System Encoding Locus Is Required for Bordetella bronchiseptica Immunomodulation and Persistence In Vivo

Weyrich, L. S., Rolin, O. Y., Muse, S. J., Park, J., Spidale, N., Kennett, M. J., Hester, S. E., Chen, C., Dudley, E. G. & Harvill, E. T., Oct 12 2012, In : PloS one. 7, 10, e45892.

Research output: Contribution to journalArticle

Bordetella bronchiseptica
immunomodulation
Immunomodulation
Genes
loci
8 Citations (Scopus)

Technical note: Development of a quantitative PCR method for monitoring strain dynamics during yogurt manufacture

Miller, D. M., Dudley, E. G. & Roberts, R. F., Sep 1 2012, In : Journal of dairy science. 95, 9, p. 4868-4872 5 p.

Research output: Contribution to journalArticle

Streptococcus thermophilus
Yogurt
yogurt
manufacturing
quantitative polymerase chain reaction
2011
56 Citations (Scopus)
Escherichia coli O26
Shiga-Toxigenic Escherichia coli
O Antigens
Shiga toxin-producing Escherichia coli
Multiplex Polymerase Chain Reaction
18 Citations (Scopus)

Escherichia coli O157:H7 of genotype lineage-specific polymorphism assay 211111 and clade 8 are common clinical isolates within pennsylvania

Hartzell, A., Chen, C., Lewis, C., Liu, K., Reynolds, S. & Dudley, E. G., Jul 1 2011, In : Foodborne pathogens and disease. 8, 7, p. 763-768 6 p.

Research output: Contribution to journalArticle

Escherichia coli O157
polymorphism
Genotype
genetic polymorphism
genotype
23 Citations (Scopus)
Shiga-Toxigenic Escherichia coli
Shiga toxin-producing Escherichia coli
beef carcasses
ground beef
Multiplex Polymerase Chain Reaction
92 Citations (Scopus)

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

Liu, F., Barrangou, R., Gerner-Smidt, P., Ribot, E. M., Knabel, S. J. & Dudley, E. G., Mar 1 2011, In : Applied and environmental microbiology. 77, 6, p. 1946-1956 11 p.

Research output: Contribution to journalArticle

Clustered Regularly Interspaced Short Palindromic Repeats
Salmonella enterica subsp. enterica
Inverted Repeat Sequences
Multilocus Sequence Typing
Salmonella enterica
9 Citations (Scopus)
Bifidobacterium animalis
animal communication
Milk
Genome
milk
62 Citations (Scopus)

Subtyping Salmonella enterica serovar enteritidis isolates from different sources by using sequence typing based on virulence genes and clustered regularly interspaced short palindromic repeats (CRISPRs)

Liu, F., Kariyawasam, S., Jayarao, B. M., Barrangou, R., Gerner-Smidt, P., Ribot, E. M., Knabel, S. J. & Dudley, E. G., Jul 1 2011, In : Applied and environmental microbiology. 77, 13, p. 4520-4526 7 p.

Research output: Contribution to journalArticle

Clustered Regularly Interspaced Short Palindromic Repeats
Salmonella enteritidis
Salmonella Enteritidis
virulence
Virulence