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Research Publications (Food Safety)

This page tracks research articles published in national and international peer-reviewed journals. Recent articles are available ahead of print and searchable by Journal, Article Title, and Category. Research publications are tracked across six categories: Bacterial Pathogens, Chemical Contaminants, Natural Toxins, Parasites, Produce Safety, and Viruses. Articles produced by USDA Grant Funding Agencies (requires login) and FDA Grant Funding Agencies (requires login) are also tracked in Scopus.

Displaying 51 - 75 of 109

  1. Immunopathological properties of the Campylobacter jejuni flagellins and the adhesin CadF as assessed in a clinical murine infection model

    • Gut Pathogens
    • Campylobacter jejuni infections constitute serious threats to human health with increasing prevalences worldwide. Our knowledge regarding the molecular mechanisms underlying host–pathogen interactions is still li...

      • Bacterial pathogens
      • Campylobacter
  2. Determination of azithromycin heteroresistant Campylobacter jejuni in traveler’s diarrhea

    • Gut Pathogens
    • Campylobacter is the most common cause of traveler’s diarrhea (TD) and human bacterial gastroenteritis. A heteroresistant Campylobacter jejuni (C. jejuni) isolate, identified by microbiological methods and charac...

      • Campylobacter
      • Bacterial pathogens
  3. Two putative MmpL homologs contribute to antimicrobial resistance and nephropathy of enterohemorrhagic E. coli O157:H7

    • Gut Pathogens
    • The serious human pathogen, E. coli serotype O157:H7, continues to gain antibiotic resistance, posing a public health threat. While this serotype’s genome has been sequenced, the role of 25% of its genes remains ...

      • Escherichia coli O157:H7
      • Bacterial pathogens
  4. Quantification of serine protease HtrA molecules secreted by the foodborne pathogen Campylobacter jejuni

    • Gut Pathogens
    • Campylobacter jejuni is a major food-borne pathogen and a worldwide health threat. Utilizing different virulence factors, C. jejuni invades the host’s intestinal epithelial cell layer. One important factor in thi...

      • Campylobacter
      • Bacterial pathogens
  5. Comparative genomic analysis of enterotoxigenic Escherichia coli O159 strains isolated from diarrheal patients in Korea

    • Gut Pathogens
    • Enterotoxigenic Escherichia coli (ETEC) is a common cause of bacterial infection that leads to diarrhea. Although some studies have proposed a potential association between the toxic profile and genetic backgroun...

      • Bacterial pathogens
  6. Campylobacter jejuni enters gut epithelial cells and impairs intestinal barrier function through cleavage of occludin by serine protease HtrA

    • Gut Pathogens
    • Campylobacter jejuni secretes HtrA (high temperature requirement protein A), a serine protease that is involved in virulence. Here, we investigated the interaction of HtrA with the host protein occludin, a tight ...

      • Campylobacter
      • Bacterial pathogens
  7. Prevalence and molecular determinants of colistin resistance among commensal Enterobacteriaceae isolated from poultry in northwest of Iran

    • Gut Pathogens
    • The emergence of colistin-resistant Enterobacteriaceae from human and animal sources is a public health concern as this antibiotic is considered to be the last line therapeutic option for infections caused by ...

      • Bacterial pathogens
  8. Genome divergence and increased virulence of outbreak associated Salmonella enterica subspecies enterica serovar Heidelberg

    • Gut Pathogens
    • Salmonella enterica serotype Heidelberg is primarily a poultry adapted serotype of Salmonella that can also colonize other hosts and cause human disease. In this study, we compared the genomes of outbreak associa...

      • Salmonella
      • Bacterial pathogens
  9. Characterization and CRISPR-based genotyping of clinical trh-positive Vibrio parahaemolyticus

    • Gut Pathogens
    • Vibrio parahaemolyticus is a causative agent of gastroenteritis. Most of the clinical isolates carry either tdh and/or trh genes which are considered as the major virulence genes of this pathogen. In this study, ...

      • Vibrio
      • Bacterial pathogens
  10. Genome sequence of Shigella sonnei 4303

    • Gut Pathogens
    • Shigella spp. are Gram-negative intracellular pathogenic bacteria belonging to the family Enterobacteriaceae and can cause bacterial dysentery, a severe diarrheal disease. The pathophysiological impact of the Gra...

      • Shigella
      • Bacterial pathogens
  11. Proliferation of enterotoxigenic Escherichia coli strain TW11681 in stools of experimentally infected human volunteers

    • Gut Pathogens
    • As part of the effort to develop an enterotoxigenic Escherichia coli (ETEC) human challenge model for testing new heat-stable toxin (ST)-based vaccine candidates, a controlled human infection model study based on...

      • Bacterial pathogens
  12. Purification of Cyclospora cayetanensis oocysts obtained from human stool specimens for whole genome sequencing

    • Gut Pathogens
    • Cyclospora cayetanensis is a food-borne intestinal human parasite that causes outbreaks of diarrhea. There is a need for efficient laboratory methods for strain-level characterization to assist in outbreak invest...

      • Cyclospora cayetanensis
      • Parasites
  13. The prevalence of Campylobacter spp. in vegetables, fruits, and fresh produce: a systematic review and meta-analysis

    • Gut Pathogens
    • There are a number of reports indicating correlation between outbreaks of campylobacteriosis and the consumption of raw vegetables. This study is a meta-analysis on the prevalence of Campylobacter in fresh vegeta...

      • Campylobacter
      • Bacterial pathogens
  14. Characterization of Salmonella enterica serovars recovered from meat products legally and illegally imported into the EU reveals the presence of multiresistant and AmpC-producing isolates

    • Gut Pathogens
    • Food products of animal origin brought into the EU from third countries, both legally and illegally, can harbor foodborne pathogens such as Salmonella enterica. In this study, we examined five S. enterica isolate...

      • Salmonella
      • Bacterial pathogens
  15. Antimicrobial resistance in Enterobacteriaceae from healthy broilers in Egypt: emergence of colistin-resistant and extended-spectrum β-lactamase-producing Escherichia coli

    • Gut Pathogens
    • Poultry remains one of the most important reservoir for zoonotic multidrug resistant pathogens. The global rise of antimicrobial resistance in Gram-negative bacteria is of reasonable concern and demands intens...

      • Bacterial pathogens
  16. Phylogenetic characterization of norovirus strains detected from sporadic gastroenteritis in Seoul during 2014–2016

    • Gut Pathogens
    • Phylogenetic analysis of norovirus (NoV) is efficient for tracking NoV transmission. To determine the widespread NoV strains in Seoul, we conducted an extensive phylogenetic characterization of NoV-positives f...

      • Norovirus
      • Viruses
  17. Cecal microbiome profile altered by Salmonella enterica, serovar Enteritidis inoculation in chicken

    • Gut Pathogens
    • Salmonella enterica, serovar Enteritidis (S. Enteritidis), an important zoonotic foodborne pathogen, can affect the microbiota of the chicken intestine and cause many enteric diseases, such as acute gastroenterit...

      • Salmonella
      • Bacterial pathogens
  18. Identification of a new alanine racemase in Salmonella Enteritidis and its contribution to pathogenesis

    • Gut Pathogens
    • Non-typhoidal Salmonella (NTS) infections caused primarily by S. Enteritidis and S. Typhimurium particularly in immunocompromised hosts have accounted for a large percentage of fatalities in developed nations. An...

      • Salmonella
      • Bacterial pathogens
  19. Characterization of a novel multidrug resistance plasmid pSGB23 isolated from Salmonella enterica subspecies enterica serovar Saintpaul

    • Gut Pathogens
    • Salmonella enterica subspecies enterica serovar Saintpaul (S. Saintpaul) is an important gut pathogen which causes salmonellosis worldwide. Although intestinal salmonellosis is usually self-limiting, it can be li...

      • Salmonella
      • Bacterial pathogens
  20. Infectious bursal disease virus inoculation infection modifies Campylobacter jejuni–host interaction in broilers

    • Gut Pathogens
    • Campylobacter jejuni is considered as a chicken commensal. The gut microbiota and the immune status of the host may affect its colonization. Infectious bursal disease virus (IBDV) is an immunosuppressive virus of...

      • Bacterial pathogens
      • Campylobacter
  21. Genomic characterization of malonate positive Cronobacter sakazakii serotype O:2, sequence type 64 strains, isolated from clinical, food, and environment samples

    • Gut Pathogens
    • Malonate utilization, an important differential trait, well recognized as being possessed by six of the seven Cronobacter species is thought to be largely absent in Cronobacter sakazakii (Csak). The current study...

  22. Towards ending viral hepatitis as a public health threat: translating new momentum into concrete results in South-East Asia

    • Gut Pathogens
  23. Chlortetracycline and florfenicol induce expression of genes associated with pathogenicity in multidrug-resistant Salmonella enterica serovar Typhimurium

    • Gut Pathogens
    • Multidrug-resistant (MDR) Salmonella enterica serovar Typhimurium (S. Typhimurium) is a serious public health threat as infections caused by these strains are more difficult and expensive to treat. Livestock serv...

  24. Occurrence of multidrug-resistant and ESBL-producing atypical enteropathogenic Escherichia coli in China

    • Gut Pathogens
    • Atypical enteropathogenic Escherichia coli (aEPEC) is regarded as a globally emerging enteropathogen. aEPECs exhibit various level of resistance to a range of antibiotics, which is increasing alarmingly. The pres...

  25. Molecular epidemiology of genogroup II norovirus infections in acute gastroenteritis patients during 2014–2016 in Pudong New Area, Shanghai, China

    • Gut Pathogens
    • Norovirus (NoV), a member of the Caliciviridae, is now recognized as the leading cause of acute gastroenteritis (AGE) worldwide. Globally, the GII.4 Sydney_2012 variant has predominated in NoV-related AGE sinc...