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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 42

  1. Peptide recovery from chicken feather keratin and their anti-biofilm properties against methicillin-resistant Staphylococcus aureus (MRSA)

    • World Journal of Microbiology and Biotechnology
    • Bacteria have the potential to adhere to abiotic surfaces, which has an undesirable effect in the food industry because they can survive for sustained periods through biofilm formation.

      • Bacterial pathogens
      • Staphylococcus aureus
  2. Antimicrobial and antibiofilm properties of selenium-chitosan-loaded salicylic acid nanoparticles for the removal of emerging contaminants from bacterial pathogens

    • World Journal of Microbiology and Biotechnology
    • In this study salicylic acid loaded containing selenium nanoparticles was synthesized and called SA@CS-Se NPs. the chitosan was used as a natural stabilizer during the synthesis process. Fourier transforms infrared spectroscopy (FTIR), Powder X-ray diffraction (XRD), field emission electron microscopy (FESEM), and transmission electron microscopy (TEM) were used to describe the physicochemical characteristics of the SA@CS-Se NPs.

      • Bacterial pathogens
      • Staphylococcus aureus
  3. Exploiting the synergistic antibacterial activity of shikimic acid and ceftiofur against methicillin-resistant Staphylococcus aureus

    • World Journal of Microbiology and Biotechnology
    • Efforts to curtail the escalating health threat posed by methicillin-resistant Staphylococcus aureus (MRSA), a formidable superbug, necessitate the development of innovative treatment strategies. Leveraging potential compounds from natural sources in tandem with antibiotics has emerged as a promising approach against MRSA. These strategies should enhance the antibiotic efficacy, reduce dosage and toxicity, and bypass MRSA resistance.

      • Bacterial pathogens
      • Staphylococcus aureus
  4. Novel helix loop-mediated isothermal amplification (HAMP) assay for colorimetric detection of Staphylococcus aureus in milk

    • World Journal of Microbiology and Biotechnology
    • Staphylococcus aureus is an important and leading cause of foodborne diseases worldwide. Prompt detection and recall of contaminated foods are crucial to prevent untoward health consequences caused by S. aureus. Helix loop-mediated isothermal amplification (HAMP) is an exciting recent addition to the array of available isothermal-based nucleic acid amplification techniques. This study aimed to develop and evaluate a HAMP assay for detecting S.

      • Bacterial pathogens
      • Staphylococcus aureus
  5. Tyrosinase enzyme purification and immobilization from Pseudomonas sp. EG22 using cellulose coated magnetic nanoparticles: characterization and application in melanin production

    • World Journal of Microbiology and Biotechnology
    • Melanin is a brown-black pigment with significant roles in various biological processes. The tyrosinase enzyme catalyzes the conversion of tyrosine to melanin and has promising uses in the pharmaceutical and biotechnology sectors. This research aims to purify and immobilize the tyrosinase enzyme from Pseudomonas sp. EG22 using cellulose-coated magnetic nanoparticles.

      • Bacterial pathogens
      • Staphylococcus aureus
  6. Chemical extraction, characterization, and inspection of the antimicrobial and antibiofilm activities of shrimp chitosan against foodborne fungi and bacteria

    • World Journal of Microbiology and Biotechnology
    • Nowadays, the exploitation of biopolymers in the industrial sector has become a trend. Chitosan is considered one of the most investigated biopolymers due to its abundance and antibacterial, antifungal, and antibiofilm activities. In this work, chitosan was chemically extracted from shrimp shells. Solutions of HCl 1 M, NaOH 4 M, and NaOH 15 M were used for the demineralization, deproteinization, and deacetylation process, respectively.

      • Bacterial pathogens
      • Staphylococcus aureus
  7. Comprehensive bacterial-metabolite profiles of Hawaijar, Bekang, and Akhone: a comparative study on traditional fermented soybeans of north-east India

    • World Journal of Microbiology and Biotechnology
    • Preparation of traditionally fermented soybeans varies across ethnicities with distinct tastes, flavour, and nutritional values. The fermented soybean varieties Hawaijar, Bekang, and Akhone of north-east India are associated with diverse ethnic groups from Manipur, Mizoram, and Nagaland, respectively. These varieties differ in substrate and traditional practice that exerts differential bacterial-metabolite profile, which needs an in-depth analysis i.

      • Bacterial pathogens
      • Staphylococcus aureus
  8. Inter-species competition of surface bacterial flora of pomegranate and their role in spoilage

    • World Journal of Microbiology and Biotechnology
    • The surface of fruits is heterogenous in term of its microenvironment hence dictate the kind of microflora that develops during storage. A better understanding of spoilage organisms would lead to better preservation methods. The pomegranate was chosen, since its sturdy and spoils slow at room temperature and is ideal for studying fruit spoilage in-situ. In the current study we isolated organisms from fruit surface and study the spoilage and competition amongst microbial species.

      • Bacterial pathogens
      • Staphylococcus aureus
  9. Occurrence of mycotoxins and microbial communities in artisanal infant flours marketed in Côte d’Ivoire

    • World Journal of Microbiology and Biotechnology
    • The aim of this study was to determine the microbial diversity and mycotoxin profile of artisanal infant flours commonly vended in public healthcare centres and retail markets in Côte d’Ivoire. Thus, maize, millet, sorghum, soya and multigrain (mix of different cereals) flour samples collected from different localities were first, analysed for nutritional composition, then for microbial communities using high-throughput sequencing and for mycotoxins through UHPLC-MS/MS method.

      • Bacterial pathogens
      • Staphylococcus aureus
      • Natural toxins
      • Aflatoxins
      • Mycotoxins
  10. Enhanced antimicrobial activity of lactic acid bacteria through genome shuffling and genetic variability among shuffled strains

    • World Journal of Microbiology and Biotechnology
    • In this investigation, lactic acid bacteria (LAB) isolated from milk were tested for their antibacterial properties and improved the antimicrobial activity of these isolates using genome shuffling. A total of sixty-one isolates were found in eleven samples, which were then tested using the agar diffusion method for their antibacterial activity against Staphylococcus aureus, Escherichia coli, Salmonella typhimurium, and Pseudomonas aeruginosa.

      • Bacterial pathogens
      • Salmonella
      • Staphylococcus aureus
  11. The effect of essential oils mixture on chitosan-based film surface energy and antiadhesion activity against foodborne bacteria

    • World Journal of Microbiology and Biotechnology
    • In the food sector, the formation of biofilms as a result of microbial adherence on food-grade surfaces causes a major problem resulting in significant economic losses. Thereby, this work aimed to elaborate a biodegradable film using chitosan (CS-film) and reinforce its antiadhesion activity by incorporating pelargonium, clove, thyme, and cinnamon essential oils (EOs).

      • Bacterial pathogens
      • Staphylococcus aureus
  12. Evaluation of antimicrobial activity of Streptomyces pactum isolated from paddy soils and identification of bioactive volatile compounds by GC-MS analysis

    • World Journal of Microbiology and Biotechnology
    • The objective of this study was to isolate Streptomyces sp. from north paddy soils of Iran and investigation and identification of the bioactive compounds by carrying out GC-MS analysis.

      • Bacterial pathogens
      • Bacillus cereus
      • Staphylococcus aureus
  13. The protection effect of rhodionin against methicillin-resistant Staphylococcus aureus-induced pneumonia through sortase A inhibition

    • World Journal of Microbiology and Biotechnology
    • Methicillin-resistant Staphylococcus aureus (MRSA) is a zoonotic antibiotic-resistant pathogen that negatively impacts society from medical, veterinary, and societal standpoints. The search for alternative therapeutic strategies and innovative anti-infective agents is urgently needed. Among the pathogenic mechanisms of Staphylococcus aureus (S.

      • Bacterial pathogens
      • Staphylococcus aureus
  14. Effects of the natural antimicrobial peptide aureocin A53 on cells of Staphylococcus aureus and Streptococcus agalactiae involved in bovine mastitis in the excised teat model

    • World Journal of Microbiology and Biotechnology
    • Aureocin A53 is an N-formylated antimicrobial peptide (AMP) produced by Staphylococcus aureus. Aureocin A53 has a broad spectrum of antimicrobial activity against human and animal pathogens. In the present study, its antagonistic activity was investigated towards 30 strains of S. aureus and 30 strains of Streptococcus spp. isolated from bovine mastitis cases in Brazil. Bovine mastitis is a disease that causes a major economic impact worldwide.

      • Bacterial pathogens
      • Staphylococcus aureus
  15. An inhibitory effect of schisandrone on α-hemolysin expression to combat methicillin-resistant staphylococcus aureus infections

    • World Journal of Microbiology and Biotechnology
    • Due to increasing antibiotic resistance, targeting bacterial virulence factors is now gaining further interest as an alternative strategy to develop novel classes of anti-infective agents. The critical role of α-hemolysin (Hla), an indispensable virulence determinant, in the pathogenicity of Staphylococcus aureus renders this virulence factor an appealing target for effective therapeutic applications.

      • Bacterial pathogens
      • Staphylococcus aureus
  16. Evaluation of Aminoacetophenoneoxime derivatives of oxime Schiff bases as a new antimicrobial agent

    • World Journal of Microbiology and Biotechnology
    • Schiff bases may be a core to synthesize different new chemical ligands. They also have many biological activities by its azomethine group. Antimicrobial activities of new synthetic oxime derivatives against bacteria and fungi were investigated. o-Aminoacetophenoneoxime (o-AAOX) and m- Aminoacetophenoneoxime (m-AAOX) were used as precursors in the synthesis of five oxime derived ligands (L1-5).

      • Bacterial pathogens
      • Staphylococcus aureus
  17. Antimicrobial and prebiotic activity of mannoproteins isolated from conventional and nonconventional yeast species—the study on selected microorganisms

    • World Journal of Microbiology and Biotechnology
    • Yeast mannoproteins are proposed as a paraprobiotics with antimicrobial and prebiotic properties. They can be used as biopreservatives in food and in diseases therapies. The knowledge about the specificity and/or capability of their influence on the growth of different microorganism is limited. The study determined the effect of mannoprotein preparations of Saccharomyces cerevisiae (S.

      • Bacterial pathogens
      • Salmonella
      • Staphylococcus aureus
  18. Cytotoxicity and anti-biofilm activities of biogenic cadmium nanoparticles and cadmium nitrate: a preliminary study

    • World Journal of Microbiology and Biotechnology
    • Wild-type microorganisms have become tolerant to higher antibiotic and antimicrobial agent concentrations due to the global increase in antibiotic consumption. Green-synthesized nanoparticles (NPs) have been proposed as potential antimicrobial agents to overcome the problem. This research prepared cadmium nanoparticles (Cd NPs) using Artemisia persica extract.

      • Bacterial pathogens
      • Staphylococcus aureus
      • Chemical contaminants
      • Heavy Metals
  19. Evaluation of metabolic activities and probiotic characteristics of two Latilactobacillus sakei strains isolated from pastırma

    • World Journal of Microbiology and Biotechnology
    • The current study was carried out to investigate metabolic activities and main probiotic characteristics of two Latilactobacillus sakei strains (8.P1 and 28.P2) isolated from pastırma, a highly seasoned, air-dried cured beef. Both strains showed antimicrobial activity against important foodborne pathogens like Listeria monocytogenes, Staphylococcus aureus, Pseudomonas aeruginosa and so forth.

      • Bacterial pathogens
      • Listeria monocytogenes
      • Staphylococcus aureus
  20. Susceptibility of caprine mastitis pathogens to tildipirosin, gamithromycin, oxytetracycline, and danofloxacin: effect of serum on the in vitro potency of current macrolides

    • World Journal of Microbiology and Biotechnology
    • Mastitis is a significant disease in dairy ruminants, causing economic losses to the livestock industry and severe risks to public health. Antibiotic therapy is one of the most crucial practices to treat mastitis, although the susceptibility of caprine mastitis pathogens to current antibiotics has not been tested under standard or modified incubation conditions.

      • Bacterial pathogens
      • Staphylococcus aureus
  21. Isolation, characterization, and mode of action of a class III bacteriocin produced by Lactobacillus helveticus 34.9

    • World Journal of Microbiology and Biotechnology
    • Traditionally fermented foods and beverages are still produced and consumed at a large scale in Romania. They are rich sources for novel lactic acid bacteria with functional properties and with potential application in food industry or health.

      • Bacterial pathogens
      • Bacillus cereus
      • Staphylococcus aureus
  22. Biosynthesis of silver nanoparticles using extracts of Stevia rebaudiana and evaluation of antibacterial activity

    • World Journal of Microbiology and Biotechnology
    • The present study reveals a simple, non-toxic and eco-friendly method for the “green” synthesis of Ag-NPs using hydroponic and soil medicinal plant Stevia rebaudiana extracts, the characterization of biosynthesized nanoparticles, as well as the evaluation of their antibacterial activity. Transmission electronic microscopy (TEM) and Dynamic Light Scattering (DLS) analysis confirmed that biosynthesized Ag-NPs are in the nano-size range (50–100 nm) and have irregular morphology.

      • Bacterial pathogens
      • Staphylococcus aureus
  23. 7,8-Dihydroxyflavone attenuates the virulence of Staphylococcus aureus by inhibiting alpha-hemolysin

    • World Journal of Microbiology and Biotechnology
    • Staphylococcus aureus (S. aureus), a Gram-positive bacteria, is an incurable cause of hospital and community-acquired infections. Inhibition bacterial virulence is a viable strategy against S. aureus infections based on the multiple virulence factors secreted by S. aureus. Alpha-hemolysin (Hla) plays a crucial role in bacteria virulence without affecting bacterial viability.

      • Bacterial pathogens
      • Staphylococcus aureus
  24. Mitigating the toxicity of palmitoylated analogue of α-melanocyte stimulating hormone(11–13) by conjugation with gold nanoparticle: characterisation and antibacterial efficacy against methicillin sensitive and resistant Staphylococccus aureus

    • World Journal of Microbiology and Biotechnology
    • In an attempt to develop potent and non-toxic antimicrobial agent, the palmitoylated analogue of α-melanocyte stimulating hormone(11–13), Pal-α-MSH(11–13) was conjugated with gold nanoparticles (GNPs) for the first time and the efficacy of derived complex was investigated against two strains of Staphylococccus aureus. The GNPs were synthesized using tri-sodium citrate as reductant and Pal-α-MSH(11–13) was conjugated thereafter.

      • Bacterial pathogens
      • Staphylococcus aureus
  25. Antibacterial activity of Bacillus licheniformis B6 against viability and biofilm formation of foodborne pathogens of health importance

    • World Journal of Microbiology and Biotechnology
    • We studied a strain of Bacillus isolated from an artisanal tannery in Salta, Argentina. It was identified as Bacillus licheniformis B6 by 16 S phylogenetic analysis and MALDI TOF (GenBank accession code No. KP776730). The synthesis of lipopeptides by B6 and their antibacterial activity against clinical pathogenic strains was analyzed both in the cell-free supernatant (CFS) and in the crude fraction of lipopeptides (LF).

      • Bacterial pathogens
      • Staphylococcus aureus