Full Text Journal Articles by
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The Secretion of Toxins and Other Exoproteins of Cronobacter: Role in Virulence, Adaption, and Persistence.

Hyein Jang, Gopal R Gopinath, Athmanya Eshwar, Shabarinath Srikumar, Scott Nguyen, Jayanthi Gangiredla, Isha R Patel, Samantha B Finkelstein, Flavia Negrete, JungHa Woo, YouYoung Lee, Séamus Fanning, Roger Stephan, Ben D Tall, Angelika Lehner,

: Cronobacter species are considered an opportunistic group of foodborne pathogenic bacteria capable of causing both intestinal and systemic human disease. This review describes common virulence themes shared among the seven Cronobacter species and describes multiple exoproteins secreted by Cronobacter, many of which are bacterial toxins that may play a ... Read more >>

Microorganisms (Microorganisms)
[2020, 8(2):]

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Yersinia canariae sp. nov., isolated from a human yersiniosis case.

Scott V Nguyen, David R Greig, Daniel Hurley, Orla Donoghue, Yu Cao, Evonne McCabe, Molly Mitchell, Kirsten Schaffer, Claire Jenkins, Séamus Fanning,

A Gram-negative rod from the Yersinia genus was isolated from a clinical case of yersiniosis in the United Kingdom. Long read sequencing data from an Oxford Nanopore Technologies (ONT) MinION in conjunction with Illumina HiSeq reads were used to generate a finished quality genome of this strain. Overall Genome Related ... Read more >>

Int. J. Syst. Evol. Microbiol. (International journal of systematic and evolutionary microbiology)
[2020, :]

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Molecular characterisation of multi-drug resistant Escherichia coli of bovine origin.

João Anes, Scott V Nguyen, Athmanya K Eshwar, Evonne McCabe, Guerrino Macori, Daniel Hurley, Angelika Lehner, Séamus Fanning,

Antimicrobial resistance reported in bacteria of animal origin is considered a major challenge to veterinary public health. In this study, the genotypic and phenotypic characterisation of twelve Escherichia coli isolates of bovine origin is reported. Twelve bacterial isolates of animal origin were selected from a previous study based on their ... Read more >>

Vet. Microbiol. (Veterinary microbiology)
[2020, 242:108566]

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Yersinia canariae sp. nov., isolated from a human yersiniosis case

Scott Nguyen, David Greig, Daniel Hurley, Yu Cao, Evonne McCabe, Molly Mitchell, Claire Jenkins, Séamus Fanning,

ABSTRACT A Gram-negative rod from the Yersinia genus was isolated from a clinical case of yersiniosis in the United Kingdom. Long read sequencing data from an Oxford Nanopore Technology (ONT) MinION in conjunction with Illumina HiSeq reads were used to generate a finished quality genome of this strain. Overall Genome ... Read more >>

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Whole-Genome Sequencing-Based Characterization of 100 Listeria monocytogenes Isolates Collected from Food Processing Environments over a Four-Year Period.

Daniel Hurley, Laura Luque-Sastre, Craig T Parker, Steven Huynh, Athmanya K Eshwar, Scott V Nguyen, Nicholas Andrews, Alexandra Moura, Edward M Fox, Kieran Jordan, Angelika Lehner, Roger Stephan, Séamus Fanning,

Listeria monocytogenes is frequently found in foods and processing facilities, where it can persist, creating concerns for the food industry. Its ability to survive under a wide range of environmental conditions enhances the potential for cross-contamination of the final food products, leading to possible outbreaks of listeriosis. In this study, ... Read more >>

mSphere (mSphere)
[2019, 4(4):]

Cited: 1 time

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Biological Impact of a Large-Scale Genomic Inversion That Grossly Disrupts the Relative Positions of the Origin and Terminus Loci of the Streptococcus pyogenes Chromosome.

Dragutin J Savic, Scott V Nguyen, Kimberly McCullor, W Michael McShan,

A large-scale genomic inversion encompassing 0.79 Mb of the 1.816-Mb-long Streptococcus pyogenes serotype M49 strain NZ131 chromosome spontaneously occurs in a minor subpopulation of cells, and in this report genetic selection was used to obtain a stable lineage with this chromosomal rearrangement. This inversion, which drastically displaces the ori site relative ... Read more >>

J. Bacteriol. (Journal of Bacteriology)
[2019, 201(17):]

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Complete Genome and Plasmid Sequences of Seven Isolates of Salmonella enterica subsp. enterica Harboring the mcr-1 Gene Obtained from Food in China.

Yujie Hu, Scott V Nguyen, Chang Liu, Wei Wang, Yinping Dong, Séamus Fanning, Fengqin Li,

Seven Salmonella enterica subsp. enterica isolates were identified as carrying the mcr-1 gene, by using a real-time fluorescence quantitative PCR method, from a total of 2,558 isolates which were cultured from various food origins in China between 2011 and 2016. Few complete genomes of Salmonella strains harboring the mcr-1 gene ... Read more >>

Microbiol Resour Announc (Microbiology resource announcements)
[2019, 8(31):]

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Susceptibility (re)-testing of a large collection of Listeria monocytogenes from foods in China from 2012 to 2015 and WGS characterization of resistant isolates.

Shaofei Yan, Menghan Li, Laura Luque-Sastre, Wei Wang, Yujie Hu, Zixin Peng, Yinping Dong, Xin Gan, Scott Nguyen, João Anes, Yao Bai, Jin Xu, Séamus Fanning, Fengqin Li,

OBJECTIVES:Our aim was to determine the antimicrobial susceptibilities of 2862 Listeria monocytogenes cultured from various foods in China and to use WGS to characterize the antimicrobial resistance and virulence genotypes of those expressing a resistance phenotype. METHODS:The susceptibilities of 2862 L. monocytogenes were determined by broth microdilution. Twenty-eight L. monocytogenes were ... Read more >>

J. Antimicrob. Chemother. (The Journal of antimicrobial chemotherapy)
[2019, 74(7):1786-1794]

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Yersinia hibernica sp. nov., isolated from pig-production environments.

Scott V Nguyen, Dechamma Mundanda Muthappa, Daniel Hurley, Orla Donoghue, Evonne McCabe, João Anes, Kirsten Schaffer, Brenda P Murphy, Jim F Buckley, Séamus Fanning,

A Gram-stain-negative, rod-shaped strain isolated from pig-production environments was identified as a new species within the genus Yersinia using multifaceted genomic and biochemical approaches. The genome of this strain was closed using a hybrid assembly approach combining both high accuracy short read sequencing data with long read sequencing technology. Phylogenetic ... Read more >>

Int. J. Syst. Evol. Microbiol. (International journal of systematic and evolutionary microbiology)
[2019, 69(7):2023-2027]

Cited: 1 time

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The Bacteriophages of Streptococcus pyogenes.

W Michael McShan, Kimberly A McCullor, Scott V Nguyen,

The bacteriophages of Streptococcus pyogenes (group A streptococcus) play a key role in population shaping, genetic transfer, and virulence of this bacterial pathogen. Lytic phages like A25 can alter population distributions through elimination of susceptible serotypes but also serve as key mediators for genetic transfer of virulence genes and antibiotic ... Read more >>

Microbiol Spectr (Microbiology spectrum)
[2019, 7(3):]

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Salmonella harbouring the mcr-1 gene isolated from food in China between 2012 and 2016.

Yujie Hu, Séamus Fanning, Xin Gan, Chang Liu, Scott Nguyen, Meimei Wang, Wei Wang, Tao Jiang, Jin Xu, Fengqin Li,

J. Antimicrob. Chemother. (The Journal of antimicrobial chemotherapy)
[2019, 74(3):826-828]

Cited: 2 times

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Biological Impact of a Large Scale Genomic Inversion that Grossly Disrupts the Relative Positions of the Origin and Terminus Loci of the Streptococcus pyogenes Chromosome

Dragutin Savic, Scott Nguyen, Kimberly McCullor, Michael McShan,

ABSTRACT A large-scale genomic inversion encompassing 0.79 Mb of the 1.816 Mb-long Streptococcus pyogenes serotype M49 strain NZ131 chromosome spontaneously occurs in a minor subpopulation of cells, and in this report genetic selection was used to obtain a stable lineage with this chromosomal rearrangement. This inversion, which drastically displaces the ... Read more >>

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RNA Sequencing-Based Transcriptional Overview of Xerotolerance in Cronobacter sakazakii SP291.

Shabarinath Srikumar, Yu Cao, Qiongqiong Yan, Koenraad Van Hoorde, Scott Nguyen, Shane Cooney, Gopal R Gopinath, Ben D Tall, Sathesh K Sivasankaran, Angelika Lehner, Roger Stephan, Séamus Fanning,

Cronobacter sakazakii is a xerotolerant neonatal pathogen epidemiologically linked to powdered infant food formula, often resulting in high mortality rates. Here, we used transcriptome sequencing (RNA-seq) to provide transcriptional insights into the survival of C. sakazakii in desiccated conditions. Our RNA-seq data show that about 22% of the total C. ... Read more >>

Appl. Environ. Microbiol. (Applied and environmental microbiology)
[2019, 85(3):]

Cited: 2 times

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Increased Virulence of Bloodstream Over Peripheral Isolates of P. aeruginosa Identified Through Post-transcriptional Regulation of Virulence Factors.

Caitríona Hickey, Bettina Schaible, Scott Nguyen, Daniel Hurley, Shabarinath Srikumar, Séamus Fanning, Eric Brown, Bianca Crifo, David Matallanas, Siobhán McClean, Cormac T Taylor, Kirsten Schaffer,

The factors influencing the virulence of P. aeruginosa in the development of invasive infection remain poorly understood. Here, we investigated the role of the host microenvironment in shaping pathogen virulence and investigated the mechanisms involved. Comparing seven paired genetically indistinguishable clinical bloodstream and peripheral isolates of P. aeruginosa, we demonstrate ... Read more >>

Front Cell Infect Microbiol (Frontiers in cellular and infection microbiology)
[2018, 8:357]

Cited: 1 time

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Comparative genomics of Salmonella enterica serovar Montevideo reveals lineage-specific gene differences that may influence ecological niche association.

Scott V Nguyen, Dayna M Harhay, James L Bono, Timothy P L Smith, Patricia I Fields, Blake A Dinsmore, Monica Santovenia, Rong Wang, Joseph M Bosilevac, Gregory P Harhay,

Salmonella enterica serovar Montevideo has been linked to recent foodborne illness outbreaks resulting from contamination of products such as fruits, vegetables, seeds and spices. Studies have shown that Montevideo also is frequently associated with healthy cattle and can be isolated from ground beef, yet human salmonellosis outbreaks of Montevideo associated ... Read more >>

Microb Genom (Microbial genomics)
[2018, 4(8):]

Cited: 1 time

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Laparoscopic resection of gastrointestinal stromal tumors: Does laparoscopic surgery provide an adequate oncologic resection?

Joseph J Kim, James Y Lim, Scott Q Nguyen,

Gastrointestinal stromal tumors (GISTs) are rare tumors of the GI tract. Surgical resection remains the mainstay of non-metastatic disease. However, the ability to provide an adequate oncologic resection using laparoscopic surgery is still an area of debate. This is a thorough review of the current literature, looking particularly at the ... Read more >>

World J Gastrointest Endosc (World journal of gastrointestinal endoscopy)
[2017, 9(9):448-455]

Cited: 2 times

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Rapid Detection and Classification of Salmonella enterica Shedding in Feedlot Cattle Utilizing the Roka Bioscience Atlas Salmonella Detection Assay for the Analysis of Rectoanal Mucosal Swabs.

W Evan Chaney, Getahun E Agga, Scott V Nguyen, Terrance M Arthur, Joseph M Bosilevac, Erin Dreyling, Anantharama Rishi, Dayna Brichta-Harhay,

With an increasing focus on preharvest food safety, rapid methods are required for the detection and quantification of foodborne pathogens such as Salmonella enterica in beef cattle. We validated the Atlas Salmonella Detection Assay (SEN), a nucleic acid amplification technology that targets Salmonella rRNA, for the qualitative detection of S. ... Read more >>

J. Food Prot. (Journal of food protection)
[2017, 80(10):1760-1767]

Cited: 1 time

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Comparative Genome Analysis of the Daptomycin-Resistant Streptococcus anginosus Strain J4206 Associated with Breakthrough Bacteremia.

Maliha Rahman, Scott V Nguyen, Kimberly A McCullor, Catherine J King, James H Jorgensen, W Michael McShan,

Streptococcus anginosus is a member of the normal oral flora that can become a pathogen causing pyogenic infections in humans. The genome of daptomycin-resistant strain J4206, originally isolated from a patient suffering from breakthrough bacteremia and septic shock at the University of Texas Health Science Center at San Antonio, was ... Read more >>

Genome Biol Evol (Genome biology and evolution)
[2016, 8(11):3446-3459]

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Genome Sequence of the Thermotolerant Foodborne Pathogen Salmonella enterica Serovar Senftenberg ATCC 43845 and Phylogenetic Analysis of Loci Encoding Increased Protein Quality Control Mechanisms.

Scott V Nguyen, Gregory P Harhay, James L Bono, Timothy P L Smith, Dayna M Harhay,

Salmonella enterica subsp. enterica bacteria are important foodborne pathogens with major economic impact. Some isolates exhibit increased heat tolerance, a concern for food safety. Analysis of a finished-quality genome sequence of an isolate commonly used in heat resistance studies, S. enterica subsp. enterica serovar Senftenberg 775W (ATCC 43845), demonstrated an ... Read more >>

mSystems (mSystems)
[2017, 2(1):]

Cited: 4 times

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Complete, Closed Genome Sequences of 10 Salmonella enterica subsp. enterica Serovar Typhimurium Strains Isolated from Human and Bovine Sources.

Scott V Nguyen, Dayna M Harhay, James L Bono, Timothy P L Smith, Patricia I Fields, Blake A Dinsmore, Monica Santovenia, Christy M Kelley, Rong Wang, Joseph M Bosilevac, Gregory P Harhay,

Salmonella enterica is a leading cause of enterocolitis for humans and animals. S. enterica subsp. enterica serovar Typhimurium infects a broad range of hosts. To facilitate genomic comparisons among isolates from different sources, we present the complete genome sequences of 10 S Typhimurium strains, 5 each isolated from human and bovine ... Read more >>

Genome Announc (Genome announcements)
[2016, 4(6):]

Cited: 2 times

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Laparoscopic Sleeve Gastrectomy and Gastric Bypass for The Aging Population.

James Yoon, Jingjing Sherman, Alexandra Argiroff, Edward Chin, Daniel Herron, William Inabnet, Subhash Kini, Scott Nguyen,

Laparoscopic Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG) are the two most common bariatric surgeries for treating morbid obesity. The purpose of this study is to determine differences in outcomes from RYGB or SG between patients ages ≥ 60 years and < 60 years.A retrospective review of patients who underwent RYGB and SG at our ... Read more >>

Obes Surg (Obesity surgery)
[2016, 26(11):2611-2615]

Cited: 8 times

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Outcomes of robot-assisted versus laparoscopic repair of small-sized ventral hernias.

Y Julia Chen, Desmond Huynh, Scott Nguyen, Edward Chin, Celia Divino, Linda Zhang,

The aim of the study is to investigate the outcomes of the da Vinci robot-assisted laparoscopic hernia repair of small-sized ventral hernias with circumferential suturing of the mesh compared to the traditional laparoscopic repair with trans-fascial suturing.A retrospective review was conducted of all robot-assisted umbilical, epigastric and incisional hernia repairs ... Read more >>

Surg Endosc (Surgical endoscopy)
[2017, 31(3):1275-1279]

Cited: 7 times

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Complete and Closed Genome Sequences of 10 Salmonella enterica subsp. enterica Serovar Anatum Isolates from Human and Bovine Sources.

Scott V Nguyen, Dayna M Harhay, James L Bono, Timothy P L Smith, Patricia I Fields, Blake A Dinsmore, Monica Santovenia, Christy M Kelley, Rong Wang, Joseph M Bosilevac, Gregory P Harhay,

Salmonella enterica is an important pathogen transmitted by numerous vectors. Genomic comparisons of Salmonella strains from disparate hosts have the potential to further our understanding of mechanisms underlying host specificities and virulence. Here, we present the closed genome and plasmid sequences of 10 Salmonella enterica subsp. enterica serovar Anatum isolates ... Read more >>

Genome Announc (Genome announcements)
[2016, 4(3):]

Cited: 2 times

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The Bacteriophages of Streptococcus pyogenes

W. Michael McShan, Scott V. Nguyen,

Bacteriophages typically may be grouped into two categories by their life cycle: lytic phages and lysogenic (temperate) phages. The five decades following the discovery of phages saw numerous investigations on the lytic phages of S. pyogenes, which included studies on host range, basic biology, and their ability to mediate general ... Read more >>

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Complete Genome Sequence of Streptococcus anginosus J4211, a Clinical Isolate.

Maliha Rahman, Scott V Nguyen, Kimberly A McCullor, Catherine J King, James H Jorgensen, W Michael McShan,

Streptococcus anginosus is an opportunistic human pathogen that causes abscesses of the brain, liver, and other organs. Here, we announce the complete genome sequence of a clinically isolated strain of S. anginosus J4211. The genome sequence contains two prophages and multiple mobile genetic elements. ... Read more >>

Genome Announc (Genome announcements)
[2015, 3(6):]

Cited: 1 time

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