Full Text Journal Articles by
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Role of Negative Pressure Wound Therapy When Performing Elective Open Colectomy.

Scott H Nguyen, Ann M Defnet, Brooke A Pati, Dylan M Russell, Suzanne M Gillern, Edward Lin, Patrick S Sullivan, Christopher Yheulon,

Background: The impact of negative pressure wound therapy (NPWT) as an adjunct to colorectal surgery is largely unknown. The purpose of this study was to determine whether NPWT impacts wound complications during elective open colectomy. Methods: The American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) and colectomy targeted ... Read more >>

Surg Infect (Larchmt) (Surgical infections)
[2020, :]

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TIME TO WEIGH IN ON OBESITY AND ASSOCIATED CO-MORBIDITIES IN COMBAT-WOUNDED AMPUTEES.

Kelli B Tavares, Dylan M Russell, Robert J Conrad, Grant C Sizemore, Scott H Nguyen, Andrea Y Moon, Bridget A Colgan, Freeman J Condon, John S Mayo, Erik T Criman, Robert B Lim,

BACKGROUND:The Joint Trauma System database estimates about 1200 individuals have sustained a combat-related amputation during the Global War on Terror. Previous retrospective studies have demonstrated combat-related amputees develop obesity and cardiovascular disease, but the incidence of obesity and associated comorbidities in this population is unknown. The objectives of this study ... Read more >>

J Trauma Acute Care Surg (The journal of trauma and acute care surgery)
[2020, :]

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Analysis of the oxidative stress regulon identifies soxS as a genetic target for resistance reversal in multi-drug resistant Klebsiella pneumoniae

João Anes, Katherine Dever, Athmanya Eshwar, Scott Nguyen, Yu Cao, Sathesh Sivasankaran, Sandra Sakalauskaitė, Angelika Lehner, Stéphanie Devineau, Rimantas Daugelavičius, Séamus Fanning, Shabarinath Srikumar,

Abstract In bacteria, the defense system deployd to counter oxidative stress is orchestrated by three transcriptional factors – SoxS, SoxR, and OxyR. Although the regulon that these factors control is known in many bacteria, similar data is not available for Klebsiella pneumoniae . To address this data gap, oxidative stress ... Read more >>

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Comparative genomic insights into Yersinia hibernica - a commonly misidentified Yersinia enterocolitica-like organism.

Scott Van Nguyen, Dechamma Mundanda Muthappa, Athmanya K Eshwar, James F Buckley, Brenda P Murphy, Roger Stephan, Angelika Lehner, Séamus Fanning,

Food-associated outbreaks linked to enteropathogenic Yersinia enterocolitica are of concern to public health. Pigs and their meat are recognized risk factors for transmission of Y. enterocolitica. This study aimed to describe the comparative genomics of Y. enterocolitica along with a number of misclassified Yersinia isolates, now constituting the recently described ... Read more >>

Microb Genom (Microbial genomics)
[2020, 6(9):]

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Epidemiological and genetic characterization of Clostridium butyricum cultured from neonatal cases of necrotizing enterocolitis in China.

Yinping Dong, Ying Li, Di Zhang, Scott Nguyen, Nikunj Maheshwari, Yujie Hu, Yu Cao, Fengqin Li, Séamus Fanning,

OBJECTIVE:Laboratory-based characterization and traceback of Clostridium butyricum isolates linked to outbreak cases of neonatal necrotizing enterocolitis (NEC) in a hospital in China. METHODS:In total, 37 samples were collected during the NEC outbreak. Classical bacteriological methods were applied to isolate and identify Clostridium spp. Meanwhile, 24 samples collected after an outbreak ... Read more >>

Infect Control Hosp Epidemiol (Infection control and hospital epidemiology)
[2020, 41(8):900-907]

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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):]

Cited: 1 time

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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, 70(4):2382-2387]

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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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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):]

Cited: 1 time

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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: 4 times

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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]

Cited: 1 time

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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: 2 times

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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: 5 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: 3 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: 3 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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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 journal of gastrointestinal endoscopy)
[2017, 9(9):448-455]

Cited: 3 times

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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: 5 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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