Foodborne Pathogens in Complex Food Systems: Ecology, Surface Interactions, and Sustainable Control Strategies

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Food Microbiology".

Deadline for manuscript submissions: 30 June 2026 | Viewed by 798

Special Issue Editor


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Guest Editor
Department of Veterinary Sciences, University of Parma, 43126 Parma, Italy
Interests: foodborne pathogens; microbial ecology; predictive microbiology; food safety management; antimicrobial resistance; fermented foods; hurdle technology; genomics and metagenomics; environmental monitoring; emerging technologies in food safety
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Special Issue Information

Dear Colleagues,

The Special Issue aims to gather studies that explore how foodborne pathogens survive, adapt, and spread within food systems, spanning primary production to processing environments and consumer handling. Understanding microbial ecology in diverse food matrices and on food-contact surfaces including plastics, stainless steel, aluminum, composite materials, and packaging films helps clarify the conditions that promote attachment, persistence, and transfer. Research integrating predictive microbiology has advanced the capacity to simulate microbial responses to environmental factors such as temperature, humidity, nutrient availability, and surface chemistry. These quantitative models support refined risk assessments and contribute to the development of improved hygiene strategies, sanitary designs, and contamination control programs.

Investigations addressing interactions between pathogens and packaging materials continue to advance, with evidence showing that surface roughness, hydrophobicity, and microstructural features influence microbial adhesion and biofilm development. Studies examining transfer events between materials and foods during cutting, slicing, storage, and transport provide insights relevant to packaging design and preventive approaches. Advances in molecular methodologies such as whole-genome sequencing, metagenomics, and transcriptomics continue to refine surveillance capacity and strengthen the early detection of emerging hazards. When combined with traditional microbiology, these tools help clarify stress-response mechanisms, cross-contamination pathways, and the ecological dynamics of pathogens in processing environments.

This Special Issue encourages submissions related to sustainable and green-chemistry-based interventions, including ozone treatments, ohmic heating, natural antimicrobial systems, biosurfactant-coated surfaces, and low-impact sanitation methods. Emerging technologies for monitoring and decontamination, such as rapid biosensors, novel surface coatings, non-thermal processes, and modern environmental monitoring programs, are also welcomed. Original research articles, reviews, and short communications that integrate microbiology, material science, food technology, and sustainability are expected to provide valuable insights for building resilient food systems.

The Special Issue entitled "Foodborne Pathogens in Complex Food Systems: Ecology, Surface Interactions, and Sustainable Control Strategies" aims to present recent research on any aspect of Foodborne Pathogens. Some of its focal points include, but are not limited to, the following:

  1. Microbial ecology, survival, and stress adaptation of foodborne pathogens in foods and processing environments;
  2. Predictive models and studies on pathogen interactions with packaging, metals, plastics, food-contact materials, and food matrices;
  3. Emerging and sustainable technologies for decontamination and monitoring, including ozone treatments, ohmic heating, biosensing strategies, and green-chemistry-based interventions.

Reviews, original research, and communications will be welcome.

Dr. Wilson Jose Fernandes Lemos Junior
Guest Editor

Manuscript Submission Information

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Keywords

  • foodborne pathogens
  • microbial ecology
  • predictive models
  • packaging–pathogen interactions
  • plastics
  • metals
  • food-contact surfaces
  • ozone
  • ohmic heating
  • sustainable interventions
  • biofilms
  • food safety monitoring

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Published Papers (1 paper)

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Review

21 pages, 915 KB  
Review
Non-Thermal and Mild Thermal Technologies for Table Egg Shell Surface Decontamination: Microbial Efficacy, Egg Quality, and Industrial Considerations
by Izadora Martina de Freitas Meireles, Wilson José Fernandes Lemos Junior, Amanda Mattos Dias-Martins, Marco Antônio Pereira da Silva, Claudio Cipolat-Gotet and Leandro Pereira Cappato
Microorganisms 2026, 14(2), 442; https://doi.org/10.3390/microorganisms14020442 - 12 Feb 2026
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Abstract
Microbial contamination of table eggs remains an important food safety concern, largely due to the presence of Salmonella spp. on eggshell surfaces and the potential for cross-contamination along the collection, grading, and packing chain. Conventional sanitation practices, including chlorinated-water washing, can reduce surface [...] Read more.
Microbial contamination of table eggs remains an important food safety concern, largely due to the presence of Salmonella spp. on eggshell surfaces and the potential for cross-contamination along the collection, grading, and packing chain. Conventional sanitation practices, including chlorinated-water washing, can reduce surface microbial loads but may also present limitations related to cuticle alteration, process variability, water use, and the risk of recontamination when operational conditions are not tightly controlled. This review synthesizes evidence on non-thermal and selected mild thermal technologies for the surface decontamination of intact table eggs, including ultraviolet-C (UV-C) irradiation, pulsed light, ozone-based treatments (gas and microbubble systems), non-thermal plasma, plasma-activated water, and gas-phase hydroxyl radical processes. For each approach, antimicrobial performance is discussed alongside effects on eggshell integrity, cuticle preservation, and key quality indicators (e.g., Haugh unit, albumen pH, yolk color, and shell strength). Particular attention is given to industrial constraints that influence real-world performance, such as treatment uniformity and shading effects, humidity dependence, line speed, equipment integration, and validation criteria. A shared limitation of surface treatments is their inability to inactivate pathogens that have penetrated shell membranes or contaminated egg contents, underscoring the need to align technology selection with the targeted hazard and the regulatory context. Thus, available data indicate that non-thermal technologies can contribute to reducing eggshell contamination when properly optimized, although broader implementation will depend on standardized operating parameters, robust process validation, and regulatory acceptance within existing egg processing systems. Full article
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