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U.S. Department of Agriculture
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  3. Research Publications (Food Safety)

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 27

  1. Genetic Divergence of Vibrio vulnificus Clinical Isolates with Mild to Severe Outcomes

    • mBio

    • mBio, Ahead of Print. The marine bacterium Vibrio vulnificus infects humans via food or water contamination, leading to serious manifestations, including gastroenteritis, wound infections, and septic shock. Previous studies suggest phylogenetic Lineage 1 isolates with the vcgC allele of the vcg gene cause human infections, whereas Lineage 2 isolates with the vcgE allele are less pathogenic.

      • Bacterial pathogens
      • Vibrio

  2. Transient Glycolytic Complexation of Arsenate Enhances Resistance in the Enteropathogen Vibrio cholerae

    • mBio

    • mBio, Ahead of Print. The ubiquitous presence of toxic arsenate (AsV) in the environment has raised mechanisms of resistance in all living organisms. Generally, bacterial detoxification of AsV relies on its reduction to arsenite (AsIII) by ArsC, followed by the export of AsIII by ArsB. However, how pathogenic species resist this metalloid remains largely unknown.

      • Bacterial pathogens
      • Vibrio

  3. Enzymatic Specificity of Conserved Rho GTPase Deamidases Promotes Invasion of Vibrio parahaemolyticus at the Expense of Infection

    • mBio

    • mBio, Ahead of Print. Vibrio parahaemolyticus is among the leading causes of bacterial seafood-borne acute gastroenteritis. Like many intracellular pathogens, V. parahaemolyticus invades host cells during infection by deamidating host small Rho GTPases. The Rho GTPase deamidating activity of VopC, a type 3 secretion system (T3SS) translocated effector, drives V. parahaemolyticus invasion.

      • Bacterial pathogens
      • Vibrio

  4. Evolution of a cis-Acting SNP That Controls Type VI Secretion in Vibrio cholerae

    • mBio

    • mBio, Ahead of Print. Mutations in regulatory mechanisms that control gene expression contribute to phenotypic diversity and thus facilitate the adaptation of microbes and other organisms to new niches.

      • Bacterial pathogens
      • Vibrio

  5. The ChiS-Family DNA-Binding Domain Contains a Cryptic Helix-Turn-Helix Variant

    • mBio

    • ABSTRACT Sequence-specific DNA-binding domains (DBDs) are conserved in all domains of life. These proteins carry out a variety of cellular functions, and there are a number of distinct structural domains already described that allow for sequence-specific DNA binding, including the ubiquitous helix-turn-helix (HTH) domain.

      • Bacterial pathogens
      • Vibrio

  6. Structural Basis of Ligand Selectivity by a Bacterial Adhesin Lectin Involved in Multispecies Biofilm Formation

    • mBio

    • ABSTRACT Carbohydrate recognition by lectins governs critical host-microbe interactions. MpPA14 (Marinomonas primoryensis PA14 domain) lectin is a domain of a 1.5-MDa adhesin responsible for a symbiotic bacterium-diatom interaction in Antarctica.

      • Bacterial pathogens
      • Vibrio

  7. Class A Penicillin-Binding Protein-Mediated Cell Wall Synthesis Promotes Structural Integrity during Peptidoglycan Endopeptidase Insufficiency in Vibrio cholerae

    • mBio

    • ABSTRACT The bacterial cell wall is composed primarily of peptidoglycan (PG), a poly-aminosugar that is essential to sustain cell shape, growth, and structural integrity. PG is synthesized by class A/B penicillin-binding proteins (a/bPBPs) and shape, elongation, division, and sporulation (SEDS) proteins like RodA (as part of the Rod system cell elongation machinery) and degraded by "autolytic" enzymes to accommodate growth processes.

      • Bacterial pathogens
      • Vibrio

  8. Impact of Immunoglobulin Isotype and Epitope on the Functional Properties of Vibrio cholerae O-Specific Polysaccharide-Specific Monoclonal Antibodies

    • mBio

    • ABSTRACT

      • Bacterial pathogens
      • Vibrio

  9. Regulatory Effects of CsrA in Vibrio cholerae

    • mBio

    • ABSTRACT

      • Bacterial pathogens
      • Vibrio

  10. Toward a Comprehensive Analysis of Posttranscriptional Regulatory Networks: a New Tool for the Identification of Small RNA Regulators of Specific mRNAs

    • mBio

    • ABSTRACT

      • Bacterial pathogens
      • Vibrio

  11. Whole-Genome Analysis of Clinical Vibrio cholerae O1 in Kolkata, India, and Dhaka, Bangladesh, Reveals Two Lineages of Circulating Strains, Indicating Variation in Genomic Attributes

    • mBio

    • ABSTRACT

      • Bacterial pathogens
      • Vibrio

  12. Humans Surviving Cholera Develop Antibodies against Vibrio cholerae O-Specific Polysaccharide That Inhibit Pathogen Motility

    • mBio

    • ABSTRACT

      • Bacterial pathogens
      • Vibrio

  13. Transcriptional Silencing by TsrA in the Evolution of Pathogenic Vibrio cholerae Biotypes

    • mBio

    • ABSTRACT

      • Bacterial pathogens
      • Vibrio

  14. Aerobic Metabolism in Vibrio cholerae Is Required for Population Expansion during Infection

    • mBio

    • ABSTRACT

      • Bacterial pathogens
      • Vibrio

  15. HbtR, a Heterofunctional Homolog of the Virulence Regulator TcpP, Facilitates the Transition between Symbiotic and Planktonic Lifestyles in Vibrio fischeri

    • mBio

    • ABSTRACT

      • Bacterial pathogens
      • Vibrio

  16. Correction for Zamorano-Sanchez et al., "Functional Specialization in Vibrio cholerae Diguanylate Cyclases: Distinct Modes of Motility Suppression and c-di-GMP Production"

    • mBio
      • Bacterial pathogens
      • Vibrio

  17. The Vibrio cholerae Quorum-Sensing Protein VqmA Integrates Cell Density, Environmental, and Host-Derived Cues into the Control of Virulence

    • mBio

    • ABSTRACT

      • Vibrio
      • Bacterial pathogens

  18. A MARTX Toxin rtxA Gene Is Controlled by Host Environmental Signals through a CRP-Coordinated Regulatory Network in Vibrio vulnificus

    • mBio

    • ABSTRACT

      • Vibrio
      • Bacterial pathogens

  19. A Polar Flagellar Transcriptional Program Mediated by Diverse Two-Component Signal Transduction Systems and Basal Flagellar Proteins Is Broadly Conserved in Polar Flagellates

    • mBio

    • ABSTRACT

      • Vibrio
      • Bacterial pathogens
      • Campylobacter

  20. Genome Dynamics of Vibrio cholerae Isolates Linked to Seasonal Outbreaks of Cholera in Dhaka, Bangladesh

    • mBio

    • ABSTRACT

      • Bacterial pathogens
      • Vibrio

  21. A Conserved Regulatory Circuit Controls Large Adhesins in Vibrio cholerae

    • mBio

    • ABSTRACT

      • Bacterial pathogens
      • Vibrio

  22. A Novel Mouse Model of Enteric Vibrio parahaemolyticus Infection Reveals that the Type III Secretion System 2 Effector VopC Plays a Key Role in Tissue Invasion and Gastroenteritis

    • mBio

    • ABSTRACT

      • Bacterial pathogens
      • Vibrio

  23. Diversity in Natural Transformation Frequencies and Regulation across Vibrio Species

    • mBio

    • ABSTRACT

      • Bacterial pathogens
      • Vibrio

  24. Bacterial Swarming Reduces Proteus mirabilis and Vibrio parahaemolyticus Cell Stiffness and Increases {beta}-Lactam Susceptibility

    • mBio

    • ABSTRACT

      • Bacterial pathogens
      • Vibrio

  25. RadD Contributes to R-Loop Avoidance in Sub-MIC Tobramycin

    • mBio

    • ABSTRACT

      • Vibrio
      • Bacterial pathogens