Biofilm Dynamics and Control in Food Processing Environments

Biofilms are structured microbial communities that adhere to equipment surfaces within food processing environments and become encased in an extracellular matrix composed of polysaccharides, proteins, nucleic acids and lipids. These communities develop through sequential stages of reversible attachment, irreversible attachment, microcolony formation, maturation and dispersal. Surface characteristics, temperature, nutrient availability and fluid dynamics all govern biofilm development and resilience. Key food-borne pathogens and spoilage organisms, including Listeria monocytogenes, Salmonella enterica and various spoilage bacteria, exploit biofilm lifestyles to withstand cleaning and disinfection procedures, leading to persistent contamination hotspots. Traditional control strategies—mechanical scrubbing, chemical sanitisation and heat treatments—often achieve only partial removal, with residual matrix components facilitating rapid re-colonisation. As a result, biofilms pose a major challenge to product quality, consumer safety and operational efficiency on a global scale. Emerging interventions that combine surface engineering, enzymatic disruption, bacteriophage application and quorum sensing inhibition are being evaluated to complement existing protocols and deliver more robust and targeted biofilm control.

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Biofilm Dynamics and Control in Food Processing Environments publication trend

The graph below shows the total number of articles in biofilm dynamics and control in food processing environments across all publications each year (not limited to Nature Index journals).

Technical terms

Biofilm: A surface-attached microbial community embedded within a self-produced matrix of extracellular polymeric substances.

Extracellular polymeric substances (EPS): A complex mixture of polysaccharides, proteins, lipids and nucleic acids that forms the structural scaffold of a biofilm.

Quorum sensing: A cell–cell communication mechanism by which bacteria coordinate gene expression in response to population density.

Polynucleotide phosphorylase (PNPase): An RNA-processing enzyme that regulates the composition and structural integrity of the biofilm extracellular matrix.

References

1. High-throughput analysis of microbiomes in a meat processing facility: are food processing facilities an establishment niche for persisting bacterial communities?. Microbiome (2025).
2. The ribonuclease PNPase is a key regulator of biofilm formation in Listeria monocytogenes and affects invasion of host cells. npj Biofilms and Microbiomes (2023).
3. New Weapons to Fight Old Enemies: Novel Strategies for the (Bio)control of Bacterial Biofilms in the Food Industry. Frontiers in Microbiology (2016).