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Author Paula Fedorka Cray

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Optimizing a Screening Protocol for Potential Extended-Spectrum β-Lactamase Escherichia coli on MacConkey Agar for Use in a Global Surveillance Program.

Megan E Jacob, Shivaramu Keelara, Awa Aidara-Kane, Jorge R Matheu Alvarez, Paula J Fedorka-Cray,

The increasing prevalence of extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli is worrisome. Coordinated efforts to better understand global prevalence and risk factors are needed. Developing lower- and middle-income countries need reliable, readily available, and cost-effective solutions for detecting ESBL E. coli to contribute to global surveillance. We evaluated MacConkey agar supplemented ... Read more >>

J. Clin. Microbiol. (Journal of clinical microbiology)
[2020, 58(9):]

Cited: 0 times

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Whole-genome sequencing analysis and CRISPR genotyping of rare antibiotic-resistant Salmonella enterica serovars isolated from food and related sources.

Daniel F M Monte, Matthew A Nethery, Rodolphe Barrangou, Mariza Landgraf, Paula J Fedorka-Cray,

For decades, Salmonella Typhimurium and Salmonella Enteritidis have prevailed in several countries as agents of salmonellosis outbreaks. In Brazil, the largest exporter of poultry meat, relatively little attention has been paid to infrequent serovars. Here, we report the emergence and characterization of rare serovars isolated from food and related sources ... Read more >>

Food Microbiol. (Food microbiology.)
[2021, 93:103601]

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International lineages of Salmonella enterica serovars isolated from chicken farms, Wakiso District, Uganda.

Takiyah Ball, Daniel Monte, Awa Aidara-Kane, Jorge Matheu, Hongyu Ru, Siddhartha Thakur, Francis Ejobi, Paula Fedorka-Cray,

The growing occurrence of multidrug-resistant (MDR) Salmonella enterica in poultry has been reported with public health concern worldwide. We reported, recently, the occurrence of Escherichia coli and Salmonella enterica serovars carrying clinically relevant resistance genes in dairy cattle farms in the Wakiso District, Uganda, highlighting an urgent need to monitor ... Read more >>

PLoS ONE (PloS one)
[2020, 15(1):e0220484]

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Corrigendum: Multidrug- and colistin-resistant Salmonella enterica 4,[5],12:i:- sequence type 34 carrying the mcr-3.1 gene on the IncHI2 plasmid recovered from a human.

Daniel F Monte, Valerie Nelson, Louise Cerdeira, Shivaramu Keelara, Shermalyn Greene, Denise Griffin, Shadia Rath, Robbie Hall, Nichole Page, Thomas Lawson, Debra Springer, Paula J Fedorka-Cray, Siddhartha Thakur,

J. Med. Microbiol. (Journal of medical microbiology)
[2019, 68(11):1694]

Cited: 1 time

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Genomic Features of High-Priority Salmonella enterica Serovars Circulating in the Food Production Chain, Brazil, 2000-2016.

Daniel F Monte, Nilton Lincopan, Hanna Berman, Louise Cerdeira, Shivaramu Keelara, Siddhartha Thakur, Paula J Fedorka-Cray, Mariza Landgraf,

Multidrug-resistant (MDR) Salmonella enterica has been deemed a high-priority pathogen by the World Health Organization. Two hundred and sixty-four Salmonella enterica isolates recovered over a 16-year period (2000 to 2016) from the poultry and swine production chains, in Brazil, were investigated by whole-genome sequencing (WGS). Most international lineages belonging to ... Read more >>

Sci Rep (Scientific reports)
[2019, 9(1):11058]

Cited: 3 times

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Early Dissemination of qnrE1 in Salmonella enterica Serovar Typhimurium from Livestock in South America.

Daniel F Monte, Nilton Lincopan, Louise Cerdeira, Paula J Fedorka-Cray, Mariza Landgraf,

Antimicrob. Agents Chemother. (Antimicrobial agents and chemotherapy)
[2019, 63(9):]

Cited: 0 times

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International lineages of Salmonella enterica serovars isolated from chicken farms, Wakiso District, Uganda

Takiyah Ball, Daniel Monte, Awa Aidara-Kane, Jorge Matheu, Hongyu Ru, Siddhartha Thakur, Francis Ejobi, Paula Fedorka-Cray,

ABSTRACT The growing occurrence of multidrug-resistant (MDR) Salmonella enterica in poultry has been reported with public health concern worldwide. We reported, recently, the occurrence of Escherichia coli and Salmonella enterica serovars carrying clinically relevant resistance genes in dairy cattle farms in the Wakiso District, Uganda, highlighting an urgent need to ... Read more >>

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Multidrug- and colistin-resistant Salmonella enterica 4,[5],12:i:- sequence type 34 carrying the mcr-3.1 gene on the IncHI2 plasmid recovered from a human.

Daniel F Monte, Valerie Nelson, Louise Cerdeira, Shivaramu Keelara, Shermalyn Greene, Denise Griffin, Shadia Rath, Robbie Hall, Nichole Page, Thomas Lawson, Debra Springer, Paula J Fedorka-Cray, Siddhartha Thakur,

A colistin-resistant Salmonella enterica 4, [5],12:i:- sequence type (ST) 34 harbouring mcr-3.1 was recovered from a patient who travelled to China 2 weeks prior to diarrhoea onset. Genomic analysis revealed the presence of the mcr-3.1 gene located in the globally disseminated IncHI2 plasmid, highlighting the intercontinental dissemination of the colistin-resistant ... Read more >>

J Med Microbiol (Journal of medical microbiology)
[2019, 68(7):986-990]

Cited: 1 time

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Phenotypic and Genotypic Characterization of Escherichia coli and Salmonella enterica from Dairy Cattle Farms in the Wakiso District, Uganda: A Cross-Sectional Study.

Takiyah A Ball, Daniel F Monte, Awa Aidara-Kane, Jorge Matheu-Alvarez, Hongyu Ru, Siddhartha Thakur, Joy Horovitz, Francis Ejobi, David W Lacher, Paula J Fedorka-Cray,

Enterobacteriaceae producing β-lactamases have spread rapidly worldwide and pose a serious threat to human-animal-environment interface. In this study, we present the presence of Salmonella enterica (1.3%) and commensal Escherichia coli (96.3%) isolated from 400 environmental fecal dairy cattle samples over 20 farms in Uganda. Among E. coli isolates, 21% were ... Read more >>

Foodborne Pathog. Dis. (Foodborne pathogens and disease)
[2019, 16(1):54-59]

Cited: 2 times

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Molecular Characterization of spp. from Cattle and Chicken Farms in Uganda.

Takiyah A. Ball, Paula J. Fedorka-Cray, Joy Horovitz, Siddhartha Thakur,

(Online journal of public health informatics)
[2018, 10(1):]

Cited: 0 times

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Ceftriaxone-Resistant Nontyphoidal Salmonella from Humans, Retail Meats, and Food Animals in the United States, 1996-2013.

Martha Iwamoto, Jared Reynolds, Beth E Karp, Heather Tate, Paula J Fedorka-Cray, Jodie R Plumblee, Robert M Hoekstra, Jean M Whichard, Barbara E Mahon,

Ceftriaxone resistance in Salmonella is a serious public health threat. Ceftriaxone is commonly used to treat severe Salmonella infections, especially in children. Identifying the sources and drivers of ceftriaxone resistance among nontyphoidal Salmonella is crucial.The National Antimicrobial Resistance Monitoring System (NARMS) tracks antimicrobial resistance in foodborne and other enteric bacteria ... Read more >>

Foodborne Pathog. Dis. (Foodborne pathogens and disease)
[2017, 14(2):74-83]

Cited: 17 times

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World Health Organization Ranking of Antimicrobials According to Their Importance in Human Medicine: A Critical Step for Developing Risk Management Strategies to Control Antimicrobial Resistance From Food Animal Production.

Peter J Collignon, John M Conly, Antoine Andremont, Scott A McEwen, Awa Aidara-Kane, , Yvonne Agerso, Antoine Andremont, Peter Collignon, John Conly, Tran Dang Ninh, Pilar Donado-Godoy, Paula Fedorka-Cray, Heriberto Fernandez, Marcelo Galas, Rebecca Irwin, Beth Karp, Gassan Matar, Patrick McDermott, Scott McEwen, Eric Mitema, Richard Reid-Smith, H Morgan Scott, Ruby Singh, Caroline Smith DeWaal, John Stelling, Mark Toleman, Haruo Watanabe, Gun-Jo Woo,

Antimicrobial use in food animals selects for antimicrobial resistance in bacteria, which can spread to people. Reducing use of antimicrobials-particularly those deemed to be critically important for human medicine-in food production animals continues to be an important step for preserving the benefits of these antimicrobials for people. The World Health ... Read more >>

Clin. Infect. Dis. (Clinical infectious diseases : an official publication of the Infectious Diseases Society of America)
[2016, 63(8):1087-1093]

Cited: 54 times

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Prevalence and Antimicrobial Resistance of Salmonella Isolated from Cattle Feces in United States Feedlots in 2011.

David A Dargatz, Christine A Kopral, Matthew M Erdman, Paula J Fedorka-Cray,

The objective of this study was to determine the prevalence and characteristics of Salmonella spp. isolated from feces of cattle in feedlots in the United States. Fecal samples were collected from up to three pens of cattle in each of 68 feedlots in 12 states. Samples included up to 25 ... Read more >>

Foodborne Pathog. Dis. (Foodborne pathogens and disease)
[2016, 13(9):483-489]

Cited: 3 times

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Antimicrobial Susceptibility and Plasmid Replicon Typing of Salmonella enterica Serovar Kentucky Isolates Recovered from Broilers.

Scott R Ladely, Richard J Meinersmann, Takiyah A Ball, Paula J Fedorka-Cray,

Salmonella Kentucky has become the predominant serovar recovered from broilers slaughtered in the United States, and the prevalence of antimicrobial resistance (AMR) has increased dramatically in this serovar. Relationships between AMR, genotype, and plasmid replicon types were characterized for 600 Salmonella Kentucky isolates recovered from chicken carcasses from 2004 to ... Read more >>

Foodborne Pathog. Dis. (Foodborne pathogens and disease)
[2016, 13(6):309-315]

Cited: 6 times

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Salmonella Prevalence and Antimicrobial Susceptibility from the National Animal Health Monitoring System Sheep 2011 Study.

David A Dargatz, Katherine L Marshall, Paula J Fedorka-Cray, Matthew M Erdman, Christine A Kopral,

Salmonella is a major cause of foodborne illness and can cause clinical disease in animals. Understanding the on-farm ecology of Salmonella will be helpful in decreasing the risk of foodborne transmission. An objective of this study was to determine the prevalence of Salmonella among fecal samples collected on sheep operations ... Read more >>

Foodborne Pathog. Dis. (Foodborne pathogens and disease)
[2015, 12(12):953-957]

Cited: 5 times

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Identification and characterization of multidrug-resistant Salmonella enterica serotype Albert isolates in the United States.

Jason P Folster, Davina Campbell, Julian Grass, Allison C Brown, Amelia Bicknese, Beth Tolar, Lavin A Joseph, Jodie R Plumblee, Carrie Walker, Paula J Fedorka-Cray, Jean M Whichard,

Salmonella enterica is one of the most common causes of bacterial foodborne illness in the United States. Although most Salmonella infections are self-limiting, antimicrobial treatment of invasive salmonellosis is critical. The primary antimicrobial treatment options include fluoroquinolones or extended-spectrum cephalosporins, and resistance to these antimicrobial drugs may complicate treatment. At ... Read more >>

Antimicrob. Agents Chemother. (Antimicrobial agents and chemotherapy)
[2015, 59(5):2774-2779]

Cited: 7 times

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Evaluating the occurrence of Escherichia albertii in chicken carcass rinses by PCR, Vitek analysis, and sequencing of the rpoB gene.

Rebecca L Lindsey, Paula J Fedorka-Cray, Melanie Abley, Jennifer B Turpin, Richard J Meinersmann,

Escherichia albertii is a recently described species that has been associated with gastroenteritis in humans and with healthy and ill birds. Most recently, it has been identified as the causative agent in a food-borne outbreak in Japan. The distribution and clinical importance of E. albertii are not well studied because ... Read more >>

Appl. Environ. Microbiol. (Applied and environmental microbiology)
[2015, 81(5):1727-1734]

Cited: 7 times

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Characterization of blaCMY plasmids and their possible role in source attribution of Salmonella enterica serotype Typhimurium infections.

Jason P Folster, Beth Tolar, Gary Pecic, Deborah Sheehan, Regan Rickert, Kelley Hise, Shaohua Zhao, Paula J Fedorka-Cray, Patrick McDermott, Jean M Whichard,

Salmonella is an important cause of foodborne illness; however, identifying the source of these infections can be difficult. This is especially true for Salmonella serotype Typhimurium, which is found in diverse agricultural niches. Extended-spectrum cephalosporins (ESC) are one of the primary treatment choices for complicated Salmonella infections. In Salmonella, ESC ... Read more >>

Foodborne Pathog Dis (Foodborne pathogens and disease)
[2014, 11(4):301-306]

Cited: 11 times

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A comparison of non-typhoidal Salmonella from humans and food animals using pulsed-field gel electrophoresis and antimicrobial susceptibility patterns.

Carol H Sandt, Paula J Fedorka-Cray, Deepanker Tewari, Stephen Ostroff, Kevin Joyce, Nkuchia M M'ikanatha,

Salmonellosis is one of the most important foodborne diseases affecting humans. To characterize the relationship between Salmonella causing human infections and their food animal reservoirs, we compared pulsed-field gel electrophoresis (PFGE) and antimicrobial susceptibility patterns of non-typhoidal Salmonella isolated from ill humans in Pennsylvania and from food animals before retail. ... Read more >>

PLoS ONE (PloS one)
[2013, 8(10):e77836]

Cited: 15 times

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Comparison of dkgB-linked intergenic sequence ribotyping to DNA microarray hybridization for assigning serotype to Salmonella enterica.

Jean Guard, Roxana Sanchez-Ingunza, Cesar Morales, Tod Stewart, Karen Liljebjelke, Joann Van Kessel, Kim Ingram, Deana Jones, Charlene Jackson, Paula Fedorka-Cray, Jonathan Frye, Richard Gast, Arthur Hinton,

Two DNA-based methods were compared for the ability to assign serotype to 139 isolates of Salmonella enterica ssp. I. Intergenic sequence ribotyping (ISR) evaluated single nucleotide polymorphisms occurring in a 5S ribosomal gene region and flanking sequences bordering the gene dkgB. A DNA microarray hybridization method that assessed the presence ... Read more >>

FEMS Microbiol. Lett. (FEMS microbiology letters)
[2012, 337(1):61-72]

Cited: 16 times

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Antimicrobial resistance genes in multidrug-resistant Salmonella enterica isolated from animals, retail meats, and humans in the United States and Canada.

LaShanda M Glenn, Rebecca L Lindsey, Jason P Folster, Gary Pecic, Patrick Boerlin, Mathew W Gilmour, Heather Harbottle, Shaohua Zhao, Patrick F McDermott, Paula J Fedorka-Cray, Jonathan G Frye,

Salmonella enterica is a prevalent foodborne pathogen that can carry multidrug resistance (MDR) and pose a threat to human health. Identifying the genetics associated with MDR in Salmonella isolated from animals, foods, and humans can help determine sources of MDR in food animals and their impact on humans. S. enterica ... Read more >>

Microb Drug Resist (Microbial drug resistance (Larchmont, N.Y.))
[2013, 19(3):175-184]

Cited: 22 times

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Occurrence of β-lactamase genes among non-Typhi Salmonella enterica isolated from humans, food animals, and retail meats in the United States and Canada.

Maria Sjölund-Karlsson, Rebecca L Howie, Karen Blickenstaff, Patrick Boerlin, Takiyah Ball, Gabhan Chalmers, Brea Duval, Jovita Haro, Regan Rickert, Shaohua Zhao, Paula J Fedorka-Cray, Jean M Whichard,

Non-Typhi Salmonella cause over 1.7 million cases of gastroenteritis in North America each year, and food-animal products are commonly implicated in human infections. For invasive infections, antimicrobial therapy is indicated. In North America, the antimicrobial susceptibility of Salmonella is monitored by the U.S. National Antimicrobial Resistance Monitoring System (NARMS) and ... Read more >>

Microb. Drug Resist. (Microbial drug resistance (Larchmont, N.Y.))
[2013, 19(3):191-197]

Cited: 10 times

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Epidemiology and genotypic characteristics of methicillin-resistant Staphylococcus aureus strains of porcine origin.

Bayleyegn Molla, Megan Byrne, Melanie Abley, Jennifer Mathews, Charlene R Jackson, Paula Fedorka-Cray, Srinand Sreevatsan, Ping Wang, Wondwossen A Gebreyes,

The main goal of this study was to determine the prevalence of methicillin-resistant Staphylococcus aureus (MRSA), particularly livestock-associated MRSA (LA-MRSA) in pigs and pork. The genotypic relatedness of isolates on the farm, at slaughter, and at the retail level was assessed. Paired nasal and perianal swab samples were collected ... Read more >>

J. Clin. Microbiol. (Journal of clinical microbiology)
[2012, 50(11):3687-3693]

Cited: 35 times

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Analysis of Campylobacter jejuni whole-genome DNA microarrays: significance of prophage and hypervariable regions for discriminating isolates.

Lauren G Pittenger, Jonathan G Frye, Victoria McNerney, Jaxk Reeves, Jovita Haro, Paula J Fedorka-Cray, Mark A Harrison, Mark D Englen,

Campylobacter is a leading cause of foodborne illness in humans, and improving our understanding of the epidemiology of this organism is essential. The objective of this study was to identify the genes that discriminate isolates of C. jejuni by analysis with whole-genome DNA microarrays. Statistical analyses of whole-genome data from ... Read more >>

Foodborne Pathog. Dis. (Foodborne pathogens and disease)
[2012, 9(5):473-479]

Cited: 1 time

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Analysis of antimicrobial resistance genes detected in multiple-drug-resistant Escherichia coli isolates from broiler chicken carcasses.

Lashanda M Glenn, Mark D Englen, Rebecca L Lindsey, Joseph F Frank, Jennifer E Turpin, Mark E Berrang, Richard J Meinersmann, Paula J Fedorka-Cray, Jonathan G Frye,

Multi-drug-resistant (MDR) bacteria in food animals are a potential problem in both animal and human health. In this study, MDR commensal Escherichia coli isolates from poultry were examined. Thirty-two E. coli isolates from broiler carcass rinses were selected based on their resistance to aminoglycosides, β-lactams, chloramphenicols, tetracyclines, and sulfonamide antimicrobials. ... Read more >>

Microb Drug Resist (Microbial drug resistance (Larchmont, N.Y.))
[2012, 18(4):453-463]

Cited: 14 times

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