Terence P. Strobaugh

Sequence analysis and plasmid mobilization of a 6.6-kb kanamycin resistance plasmid, pSNC3-Kan, from a Salmonella enterica serotype Newport isolate

Chin‐Yi Chen, Ly-Huong T. Nguyen, Terence P. Strobaugh

Research on the transfer of antibiotic resistance plasmids has been mainly focused on the large multi-drug resistance conjugative plasmids, while the transmission of small mobilizable plasmids remains under-investigated. A series of diverse ColE-like kanamycin resistance plasmids ("KanR plasmids") from Salmonella enterica were …

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Complete Genome Sequences of Multidrug-Resistant Campylobacter coli Strains YH501, YH503, and YH504, from Retail Chicken

Yiping He, Sue Reed, Xianghe Yan, Dandan Zhang et autres

Campylobacter coli is an important foodborne pathogen that can cause inflammation of the intestine and diarrhea in humans. The complete genomes, including megaplasmids, of C. coli strains YH501, YH503, and YH504 from retail chicken were sequenced and de novo assembled. Whole-genome analysis …

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Complete Genome Sequence and Annotation of Campylobacter jejuni YH003, Isolated from Retail Chicken

Yiping He, Sue Reed, Terence P. Strobaugh

YH003, isolated from retail chicken, was determined using PacBio and Illumina technologies. The assembled genome is 1,743,985 bp (G+C content of 30.3%). Genome annotation revealed several genes encoding virulence and antibiotic resistance factors, including a type VI secretion system, cytolethal distending toxins, …

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Detection of Shiga toxin-producing Escherichia coli (STEC) in beef products using droplet digital PCR

Joseph A. Capobianco, Mike Clark, Astrid Cariou, Adélaïde Leveau et autres

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Detection of Shiga Toxin 2 Produced by Escherichia coli in Foods Using a Novel AlphaLISA

Cheryl M. Armstrong, Leah E. Ruth, Joseph A. Capobianco, Terence P. Strobaugh et autres

Amplified luminescent proximity homogenous assay-linked immunosorbent assay (AlphaLISA) is comprised of a bead-based immunoassay that is used for small molecule detection. In this study, a novel AlphaLISA was developed and optimized for the detection of Shiga-toxin 2 (Stx2). Efficacy and sensitivity trials …

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Whole-genome sequence data and analysis of a Staphylococcus aureus strain SJTUF_J27 isolated from seaweed

Yanping Xie, Yiping He, Sandeep Ghatak, Peter L. Irwin et autres

The complete genome sequence data of S. aureus SJTUF_J27 isolated from seaweed in China is reported here. The size of the genome is 2.8 Mbp with 32.9% G + C content, consisting of 2614 coding sequences and 77 RNAs. A number of …

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Isolation and characterization of two novel groups of kanamycin-resistance ColE1-like plasmids in Salmonella enterica serotypes from food animals

Chin‐Yi Chen, Terence P. Strobaugh, Ly-Huong T. Nguyen, Melanie Abley et autres

While antimicrobial resistance in Salmonella enterica is mainly attributed to large plasmids, small plasmids may also harbor antimicrobial resistance genes. Previously, three major groups of ColE1-like plasmids conferring kanamycin-resistance (KanR) in various S. enterica serotypes from diagnostic samples of human or animals …

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Whole genome sequencing and analysis of Campylobacter coli YH502 from retail chicken reveals a plasmid-borne type VI secretion system

Sandeep Ghatak, Yiping He, Sue Reed, Terence P. Strobaugh et autres

Campylobacter is a major cause of foodborne illnesses worldwide. Campylobacter infections, commonly caused by ingestion of undercooked poultry and meat products, can lead to gastroenteritis and chronic reactive arthritis in humans. Whole genome sequencing (WGS) is a powerful technology that provides comprehensive …

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Study on the mechanism of antibacterial action of magnesium oxide nanoparticles against foodborne pathogens

Yiping He, I. Shakuntala, Sue Reed, Andrew Gehring et autres

BACKGROUND: Magnesium oxide nanoparticles (MgO nanoparticles, with average size of 20 nm) have considerable potential as antimicrobial agents in food safety applications due to their structure, surface properties, and stability. The aim of this work was to investigate the antibacterial effects and …

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Phenotypic and Genotypic Characterization of Biofilm Forming Capabilities in Non-O157 Shiga Toxin-Producing Escherichia coli Strains

Chin‐Yi Chen, Christopher S. Hofmann, Bryan J. Cottrell, Terence P. Strobaugh et autres

The biofilm life style helps bacteria resist oxidative stress, desiccation, antibiotic treatment, and starvation. Biofilm formation involves a complex regulatory gene network controlled by various environmental signals. It was previously shown that prophage insertions in mlrA and heterogeneous mutations in rpoS constituted …

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

Gaylen A. Uhlich, Chin‐Yi Chen, Bryan J. Cottrell, Christopher S. Hofmann et autres

Biofilm formation in Escherichia coli is a tightly controlled process requiring the expression of adhesive curli fibres and certain polysaccharides such as cellulose. The transcriptional regulator CsgD is central to biofilm formation, controlling the expression of the curli structural and export proteins …

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Sequence analysis of a group of low molecular-weight plasmids carrying multiple IS903 elements flanking a kanamycin resistance aph gene in Salmonella enterica serovars

Chin‐Yi Chen, Terence P. Strobaugh, Rebecca L. Lindsey, Jonathan G. Frye et autres

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