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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 1 - 25 of 84

  1. The inactivation efficacy of plasma‐activated acetic acid against Salmonella Typhimurium cells and biofilm

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Accepted Article. Aim This study aimed to examine the inactivation efficacy of plasma-activated acetic acid (PAAA) against Salmonella Typhimurium cells and biofilm and elucidate the underlying the chemical inactivation pathway. Methods and Results PAAA was prepared by discharging plasma to 20 ml of 0.2% (v/v) acetic acid (AA) for 20 min (2.2 kHz and 8.4 kVpp).

      • Bacterial pathogens
      • Salmonella
  2. Salmonella contamination and hazard analysis in a storage facility for feed materials in Japan

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Accepted Article. Aims To reduce Salmonella contamination of animal feeds, Salmonella contamination in a feed materials storage facility was investigated, and hazard analysis was performed to acquire the basic information necessary to establish a control method for Salmonella.

      • Bacterial pathogens
      • Salmonella
  3. Whole genome sequencing reveals antimicrobial resistance determinants (AMR genes) of Salmonella enterica recovered from raw‐chicken and ready‐to‐eat leaves imported into England between 2014 and 2019

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Accepted Article. Aims To compare the antimicrobial resistance (AMR) genes in a genetically diverse group of Salmonella enterica recovered from foods imported into England between 2014 and 2018. Methods and Results Whole genome sequence was used to detect AMR resistance genes or chromosomal mutations associated with AMR in Salmonella recovered from edible leaves imported from Asia (n =115) as compared t

      • Bacterial pathogens
      • Salmonella
  4. Metaphylactic antimicrobial effects on occurrences of antimicrobial resistance in Salmonella, Escherichia coli, and Enterococcus spp. measured longitudinally from feedlot arrival to harvest in high‐risk beef cattle

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Accepted Article. Aims Our objective was to determine how injectable antimicrobials affected populations of SalmonellaEscherichia coli, and Enterococcus spp.

      • Bacterial pathogens
      • Salmonella
  5. Animal Feed Contains Diverse Populations of Salmonella

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Accepted Article. In food animals, Salmonella can exist as multiserovar populations, and the goal of this study was to determine whether Salmonella-positive animal feed samples also consist of multiserovar populations. Fifty Salmonella positive samples, collected from ten countries, were cultured using three different media for Salmonella isolation: Universal pre-enrichment broth,

      • Bacterial pathogens
      • Salmonella
  6. Modeling the Inactivation, Survival, and Growth of Salmonella enterica under Osmotic Stress Considering Inoculum Phase and Serotype

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Accepted Article. This study evaluated the behaviour of the Salmonella enterica serotypes in osmotically-stressful BHI broth (0.940 ≤ aw ≤ 0.960), assessing inoculum from two stages of the bacterial life cycle (exponential and stationary) and two temperatures (25 and 35 °C). Four S.

      • Bacterial pathogens
      • Salmonella
  7. Detection of virulence and extended spectrum β‐lactamase genes in Salmonella by multiplex high‐resolution melt curve real‐time PCR assay

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Volume 132, Issue 3, Page 2355-2367, March 2022. Aims Develop and standardize multiplex high-resolution melt curve (HRM) real-time PCR assays for simultaneous detection of Salmonella virulence and extended spectrum β-lactamase (ESBL) genes in food. Methods and Results Two sets of multiplex real-time PCR assays targeting six virulence and three ESBL genes with internal amplification control were standardized.

      • Bacterial pathogens
      • Salmonella
  8. Anaerobic soil disinfestation, amendment‐type, and irrigation regimen influence Salmonella survival and die‐off in agricultural soils

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Volume 132, Issue 3, Page 2342-2354, March 2022. Aims This study investigated Salmonella concentrations following combinations of horticultural practices including anaerobic soil disinfestation (ASD), soil amendment type and irrigation regimen. Methods and Results Sandy-loam soil was inoculated with a five-serovar Salmonella cocktail (5.5 ± 0.2 log CFU per gram) and subjected to one of si

      • Bacterial pathogens
      • Salmonella
  9. Antimicrobial resistance and virulence genes in Salmonella enterica serovars isolated from droppings of layer chicken in two farms in Nigeria

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Accepted Article. Aim This study aimed to investigate the isolation rate, antibiotic resistance, and virulence genes of Salmonella enterica serovar from two commercial farms in Nigeria. Methods and Results Salmonella isolation was performed according to the United States Food and Drug Agency (USFDA) method.

      • Bacterial pathogens
      • Salmonella
  10. Global distribution of plasmid‐mediated colistin resistance mcr gene in Salmonella: A systematic review

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Volume 132, Issue 2, Page 872-889, February 2022. This systematic review focuses on obtaining the most relevant information from multiple studies that detected a mobilized colistin resistance mcr gene in Salmonella for a better comprehension of its global distribution.

      • Bacterial pathogens
      • Salmonella
  11. Optimized methods for detecting Salmonella Typhi in the environment using validated field sampling, culture and confirmatory molecular approaches

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Volume 132, Issue 2, Page 1503-1517, February 2022. This study evaluated detection methods for Salmonella Typhi (S.

      • Bacterial pathogens
      • Salmonella
  12. Fate and mitigation of Salmonella contaminated in lettuce (Lactuca sativa) seeds grown in a hydroponic system

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Volume 132, Issue 2, Page 1449-1456, February 2022. Aims We investigated the fate of Salmonella in lettuce seeds grown in a hydroponic system and the potentials of applying photodynamic inactivation (PDI) to enhance microbial safety of hydroponic farming systems. Methods and Results Lettuce was grown from Salmonella-contaminated seeds, and rose bengal-mediated PDI was applied.

      • Bacterial pathogens
      • Salmonella
  13. Differences in biofilm formation of Salmonella serovars on two surfaces under two temperature conditions

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, EarlyView. Aims Salmonella is extremely diverse, with >2500 serovars that are genetically and phenotypically diverse.

      • Bacterial pathogens
      • Salmonella
  14. Effects of water activity, ammonia and Corynebacterium urealyticum on the survival of Salmonella Typhimurium in sterile poultry litter

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, EarlyView. Aims This study examined the effects of water activity (aw), ammonia and Corynebacterium urealyticum on the survival of Salmonella Typhimurium in sterile poultry litter. Methods and Results Sterile poultry litter inoculated with S.

      • Bacterial pathogens
      • Salmonella
  15. Identification and characterization of multidrug‐resistant ESBL‐producing Salmonella enterica serovars Kentucky and Typhimurium isolated in Tunisia CTX‐M‐61/TEM‐34, a novel cefotaxime‐hydrolysing β‐lactamase of Salmonella

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Volume 132, Issue 1, Page 279-289, January 2022. Aims Molecular characterization of extended-spectrum β-lactamases (ESBLs) among Salmonella Kentucky and Typhimurium isolates: partial sequence analysis of the types of β-lactamases found in these isolates, clonality, resistance and supposed emergence of ESBL-producing strains. Methods and Results A retrospective study surveyed the ESBLs occurring in a total of 1404 

      • Bacterial pathogens
      • Salmonella
  16. Inactivation of Escherichia coli O157:H7 and Salmonella Typhimurium in black and red pepper by vacuumed hydrogen peroxide vapour

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Volume 132, Issue 1, Page 290-297, January 2022. Aims In this study, the efficacy of using vacuumed hydrogen peroxide vapour (VHPV) to inactivate foodborne pathogens in whole dried black pepper (Piper nigrum) and powdered dried red pepper (Capsicum annuum) was evaluated. Methods and Results Black and red pepper inoculated with Escherichia coli O157:H7 and Salmonella Typhimurium were su

      • Bacterial pathogens
      • Enterohemorrhagic Escherichia coli
      • Escherichia coli O157:H7
      • Salmonella
  17. Genomic characterization and antimicrobial resistance profiles of Salmonella enterica serovar Infantis isolated from food, humans and veterinary‐related sources in Brazil

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, EarlyView. Aims To characterize the genetic relatedness, phenotypic and genotypic antimicrobial resistance and plasmid content of 80 Salmonella Infantis strains isolated from food, humans and veterinary sources from 2013 to 2018 in Brazil. Methods and results Pulsed-field gel electrophoresis and single-nucleotide polymorphism analysis showed major clusters containing 50% and 38.8% of the strains studied respectively.

      • Bacterial pathogens
      • Salmonella
  18. Genomic characterization and antimicrobial resistance profiles of Salmonella enterica serovar Infantis isolated from food, humans and veterinary‐related sources in Brazil

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Accepted Article. To characterize the genetic relatedness, phenotypic and genotypic antimicrobial resistance and plasmid content of 80 S. Infantis strains isolated from food, humans and veterinary sources from 2013 to 2018 in Brazil.

      • Salmonella
      • Bacterial pathogens
  19. Effects of water activity, ammonia, and Corynebacterium urealyticum on the survival of Salmonella Typhimurium in sterile poultry litter

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Accepted Article. Aims
      This study examined the effects of water activity (aw), ammonia, and Corynebacterium urealyticum on the survival of Salmonella Typhimurium in sterile poultry litter.

      • Salmonella
      • Bacterial pathogens
  20. Fate and mitigation of Salmonella contaminated in lettuce (Lactuca sativa) seeds grown in a hydroponic system

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Accepted Article. Abstract
      Aims
      We investigated the fate of Salmonella in lettuce seeds grown in a hydroponic system and the potentials of applying photodynamic inactivation (PDI) to enhance microbial safety of hydroponic farming systems.

      • Salmonella
      • Bacterial pathogens
  21. Inactivation of Escherichia coli O157:H7 and Salmonella Typhimurium in black and red pepper by vacuumed hydrogen peroxide vapor

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Accepted Article. ABSTRACT
      Aims
      In this study, the efficacy of using vacuumed hydrogen peroxide vapor (VHPV) to inactivate foodborne pathogens in whole dried black pepper (Piper nigrum) and powdered dried red pepper (Capsicum annuum) was evaluated.

      • Escherichia coli O157:H7
      • Salmonella
      • Bacterial pathogens
  22. Identification and characterization of multidrug‐resistant ESBL‐producing Salmonella enterica serovars Kentucky and Typhimurium isolated in Tunisia CTX‐M‐61/TEM‐34, a novel cefotaxime‐hydrolyzing β‐lactamase of Salmonella

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Accepted Article. Aims
      Molecular characterization of extended-spectrum β-lactamases (ESBLs) among Salmonella Kentucky and Typhimurium isolates: partial sequence analysis of the types of β-lactamases found in these isolates, clonality, resistance and supposed emergence of ESBL-producing strains.

      • Salmonella
      • Bacterial pathogens
  23. Development of novel visual detection methodology for Salmonella in meat using saltatory rolling circle amplification (SRCA)

    • Journal of Applied Microbiology
    • Journal of Applied Microbiology, Accepted Article. Aim
      The aim of this study was to develop a saltatory rolling circle amplification (SRCA) assay for rapid, simple and visual detection of Salmonella in meat.

      • Salmonella
      • Bacterial pathogens
  24. Factors influencing the persistence of enteropathogenic bacteria in wetland habitats and implications for water quality

    • Journal of Applied Microbiology
    • Aims To better understand the persistence dynamics of enteropathogenic bacteria in freshwater wetland habitats, we constructed lab‐scale mesocosms planted with two different wetland plant species using a sub‐surface flow wetland design. Mesocosms were treated with either a high‐ quality or a poor‐quality water source to examine the effects of water quality exposure and plant species on Escherichia coli, Salmonella spp. and Enterococcus spp.

      • Bacterial pathogens
      • Salmonella
  25. Efficacy of chestnut and quebracho wood extracts to control salmonella in poultry

    • Journal of Applied Microbiology
    • Aims The study was aimed to evaluate the antibacterial activity and efficacy of chestnut and quebracho wood extracts against Salmonella by in vitro assays and in vivo trials. Methods and results The extracts showed inhibitory activity against Salmonella determined by the minimum inhibitory concentration method as well as on the adhesion and invasion of S. Gallinarum (SG) and S. Enteritidis (SE) in Caco‐2 cells.

      • Bacterial pathogens
      • Salmonella