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Ruiz MJ, Sirini NE, Stegmayer MÁ, Soto LP, Zbrun MV, Olivero CR, Werning ML, Acosta FF, Signorini ML, Frizzo LS. Inhibitor activity of Lactiplantibacillus plantarum LP5 on thermotolerant campylobacter with different biofilm-forming capacities. J Appl Microbiol 2023; 134:lxad267. [PMID: 37974052 DOI: 10.1093/jambio/lxad267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 08/20/2023] [Accepted: 11/15/2023] [Indexed: 11/19/2023]
Abstract
AIMS To evaluate the biofilm-forming capacity of thermotolerant Campylobacter (TC) strains from poultry production and to analyse the inhibitory capacity of Lactiplantibacillus plantarum LP5 against TC on different materials. METHODS AND RESULTS Biofilm-forming capacity by Campylobacter jejuni and Campylobacter coli was analysed by cell adhesion in polystyrene plates. TC were classified as non-biofilm-forming (NBF, 1.3%), weak biofilm-forming (WBF, 68.4%), moderate biofilm-forming (MBF, 27.6%), and strong biofilm-forming (SBF, 2.7%). The inhibitory capacity of L. plantarum LP5 against TC was tested on stainless-steel, nylon, aluminium, and glass disks (treated group) and compared with biofilm-forming TC (control group). Lactiplantibacillus plantarum LP5 was inoculated, and then TC. Biofilm was removed in both experimental groups and TC and LP5 bacterial counts were performed. The L. plantarum LP5 presence reduced the formation of TC biofilm (P < 0.001). The material type and strain category influenced biofilm formation, with stainless-steel and the SBF strain being the material and TC having the highest adhesion (P < 0.001). Lactiplantibacillus plantarum LP5 formed a similar biofilm on all materials (P = 0.823). CONCLUSIONS This trial showed very promising results; L. plantarum LP5 could be incorporated as a bio-protector of TC on different surfaces.
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Affiliation(s)
- María J Ruiz
- Laboratory of Food Analysis "Rodolfo Oscar Dalla Santina", Institute of Veterinary Science (ICiVet Litoral), National University of the Litoral-National Council of Scientific and Technical Research (UNL/CONICET), Esperanza, Province of Santa Fe S3080, Argentina
- Department of Animal Health and Preventive Medicine, Faculty of Veterinary Sciences, National University of the Centre of the Province of Buenos Aires, Tandil, Buenos Aires 7000, Argentina
| | - Noelí E Sirini
- Laboratory of Food Analysis "Rodolfo Oscar Dalla Santina", Institute of Veterinary Science (ICiVet Litoral), National University of the Litoral-National Council of Scientific and Technical Research (UNL/CONICET), Esperanza, Province of Santa Fe S3080, Argentina
| | - María Á Stegmayer
- Laboratory of Food Analysis "Rodolfo Oscar Dalla Santina", Institute of Veterinary Science (ICiVet Litoral), National University of the Litoral-National Council of Scientific and Technical Research (UNL/CONICET), Esperanza, Province of Santa Fe S3080, Argentina
| | - Lorena P Soto
- Laboratory of Food Analysis "Rodolfo Oscar Dalla Santina", Institute of Veterinary Science (ICiVet Litoral), National University of the Litoral-National Council of Scientific and Technical Research (UNL/CONICET), Esperanza, Province of Santa Fe S3080, Argentina
- Department of Public Health, Faculty of Veterinary Science, Litoral National University, Esperanza, Province of Santa Fe S3080, Argentina
| | - María V Zbrun
- Laboratory of Food Analysis "Rodolfo Oscar Dalla Santina", Institute of Veterinary Science (ICiVet Litoral), National University of the Litoral-National Council of Scientific and Technical Research (UNL/CONICET), Esperanza, Province of Santa Fe S3080, Argentina
- National Council of Scientific and Technical Research, National Institute of Agricultural Technology EEA Rafaela, Rafaela, Province of Santa Fe S2300, Argentina
| | - Carolina R Olivero
- Laboratory of Food Analysis "Rodolfo Oscar Dalla Santina", Institute of Veterinary Science (ICiVet Litoral), National University of the Litoral-National Council of Scientific and Technical Research (UNL/CONICET), Esperanza, Province of Santa Fe S3080, Argentina
| | - María L Werning
- Laboratory of Food Analysis "Rodolfo Oscar Dalla Santina", Institute of Veterinary Science (ICiVet Litoral), National University of the Litoral-National Council of Scientific and Technical Research (UNL/CONICET), Esperanza, Province of Santa Fe S3080, Argentina
| | - Federico F Acosta
- Laboratory of Food Analysis "Rodolfo Oscar Dalla Santina", Institute of Veterinary Science (ICiVet Litoral), National University of the Litoral-National Council of Scientific and Technical Research (UNL/CONICET), Esperanza, Province of Santa Fe S3080, Argentina
| | - Marcelo L Signorini
- Department of Public Health, Faculty of Veterinary Science, Litoral National University, Esperanza, Province of Santa Fe S3080, Argentina
- National Council of Scientific and Technical Research, National Institute of Agricultural Technology EEA Rafaela, Rafaela, Province of Santa Fe S2300, Argentina
| | - Laureano S Frizzo
- Laboratory of Food Analysis "Rodolfo Oscar Dalla Santina", Institute of Veterinary Science (ICiVet Litoral), National University of the Litoral-National Council of Scientific and Technical Research (UNL/CONICET), Esperanza, Province of Santa Fe S3080, Argentina
- Department of Public Health, Faculty of Veterinary Science, Litoral National University, Esperanza, Province of Santa Fe S3080, Argentina
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Tomé AR, Carvalho FM, Teixeira-Santos R, Burmølle M, Mergulhão FJM, Gomes LC. Use of Probiotics to Control Biofilm Formation in Food Industries. Antibiotics (Basel) 2023; 12:antibiotics12040754. [PMID: 37107116 PMCID: PMC10135146 DOI: 10.3390/antibiotics12040754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/07/2023] [Accepted: 04/12/2023] [Indexed: 04/29/2023] Open
Abstract
Microorganisms tend to adhere to food contact surfaces and form biofilms, which serve as reservoirs for bacteria that can contaminate food. As part of a biofilm, bacteria are protected from the stressful conditions found during food processing and become tolerant to antimicrobials, including traditional chemical sanitisers and disinfectants. Several studies in the food industry have shown that probiotics can prevent attachment and the consequent biofilm formation by spoilage and pathogenic microorganisms. This review discusses the most recent and relevant studies on the effects of probiotics and their metabolites on pre-established biofilms in the food industry. It shows that the use of probiotics is a promising approach to disrupt biofilms formed by a large spectrum of foodborne microorganisms, with Lactiplantibacillus and Lacticaseibacillus being the most tested genera, both in the form of probiotic cells and as sources of cell-free supernatant. The standardisation of anti-biofilm assays for evaluating the potential of probiotics in biofilm control is of extreme importance, enabling more reliable, comparable, and predictable results, thus promoting significant advances in this field.
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Affiliation(s)
- Andreia R Tomé
- LEPABE-Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- ALiCE-Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Fábio M Carvalho
- LEPABE-Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- ALiCE-Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Rita Teixeira-Santos
- LEPABE-Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- ALiCE-Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Mette Burmølle
- Section of Microbiology, Department of Biology, University of Copenhagen, Universitetsparken 15, 2100 Copenhagen, Denmark
| | - Filipe J M Mergulhão
- LEPABE-Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- ALiCE-Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Luciana C Gomes
- LEPABE-Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- ALiCE-Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
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Comparative Genome Analysis of Enterococcus cecorum Reveals Intercontinental Spread of a Lineage of Clinical Poultry Isolates. mSphere 2023; 8:e0049522. [PMID: 36794931 PMCID: PMC10117131 DOI: 10.1128/msphere.00495-22] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023] Open
Abstract
Enterococcus cecorum is an emerging pathogen responsible for osteomyelitis, spondylitis, and femoral head necrosis causing animal suffering and mortality and requiring antimicrobial use in poultry. Paradoxically, E. cecorum is a common inhabitant of the intestinal microbiota of adult chickens. Despite evidence suggesting the existence of clones with pathogenic potential, the genetic and phenotypic relatedness of disease-associated isolates remains little investigated. Here, we sequenced and analyzed the genomes and characterized the phenotypes of more than 100 isolates, the majority of which were collected over the last 10 years from 16 French broiler farms. Comparative genomics, genome-wide association studies, and the measured susceptibility to serum, biofilm-forming capacity, and adhesion to chicken type II collagen were used to identify features associated with clinical isolates. We found that none of the tested phenotypes could discriminate the origin of the isolates or the phylogenetic group. Instead, we found that most clinical isolates are grouped phylogenetically, and our analyses selected six genes that discriminate 94% of isolates associated with disease from those that are not. Analysis of the resistome and the mobilome revealed that multidrug-resistant clones of E. cecorum cluster into a few clades and that integrative conjugative elements and genomic islands are the main carriers of antimicrobial resistance. This comprehensive genomic analysis shows that disease-associated clones of E. cecorum belong mainly to one phylogenetic clade. IMPORTANCE Enterococcus cecorum is an important pathogen of poultry worldwide. It causes a number of locomotor disorders and septicemia, particularly in fast-growing broilers. Animal suffering, antimicrobial use, and associated economic losses require a better understanding of disease-associated E. cecorum isolates. To address this need, we performed whole-genome sequencing and analysis of a large collection of isolates responsible for outbreaks in France. By providing the first data set on the genetic diversity and resistome of E. cecorum strains circulating in France, we pinpoint an epidemic lineage that is probably also circulating elsewhere that should be targeted preferentially by preventive strategies in order to reduce the burden of E. cecorum-related diseases.
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Guéneau V, Plateau-Gonthier J, Arnaud L, Piard JC, Castex M, Briandet R. Positive biofilms to guide surface microbial ecology in livestock buildings. Biofilm 2022; 4:100075. [PMID: 35494622 PMCID: PMC9039864 DOI: 10.1016/j.bioflm.2022.100075] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 04/07/2022] [Accepted: 04/10/2022] [Indexed: 12/12/2022] Open
Abstract
The increase in human consumption of animal proteins implies changes in the management of meat production. This is followed by increasingly restrictive regulations on antimicrobial products such as chemical biocides and antibiotics, used in particular to control pathogens that can spread zoonotic diseases. Aligned with the One Health concept, alternative biological solutions are under development and are starting to be used in animal production. Beneficial bacteria able to form positive biofilms and guide surface microbial ecology to limit microbial pathogen settlement are promising tools that could complement existing biosecurity practices to maintain the hygiene of livestock buildings. Although the benefits of positive biofilms have already been documented, the associated fundamental mechanisms and the rationale of the microbial composition of these new products are still sparce. This review provides an overview of the envisioned modes of action of positive biofilms used on livestock building surfaces and the resulting criteria for the selection of the appropriate microorganisms for this specific application. Limits and advantages of this biosecurity approach are discussed as well as the impact of such practices along the food chain, from farm to fork.
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