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Rzymski P, Gwenzi W, Poniedziałek B, Mangul S, Fal A. Climate warming, environmental degradation and pollution as drivers of antibiotic resistance. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 346:123649. [PMID: 38402936 DOI: 10.1016/j.envpol.2024.123649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 02/17/2024] [Accepted: 02/22/2024] [Indexed: 02/27/2024]
Abstract
Antibiotic resistance is a major challenge to public health, but human-caused environmental changes have not been widely recognized as its drivers. Here, we provide a comprehensive overview of the relationships between environmental degradation and antibiotic resistance, demonstrating that the former can potentially fuel the latter with significant public health outcomes. We describe that (i) global warming favors horizontal gene transfer, bacterial infections, the spread of drug-resistant pathogens due to water scarcity, and the release of resistance genes with wastewater; (ii) pesticide and metal pollution act as co-selectors of antibiotic resistance mechanisms; (iii) microplastics create conditions promoting and spreading antibiotic resistance and resistant bacteria; (iv) changes in land use, deforestation, and environmental pollution reduce microbial diversity, a natural barrier to antibiotic resistance spread. We argue that management of antibiotic resistance must integrate environmental goals, including mitigation of further increases in the Earth's surface temperature, better qualitative and quantitative protection of water resources, strengthening of sewage infrastructure and improving wastewater treatment, counteracting the microbial diversity loss, reduction of pesticide and metal emissions, and plastic use, and improving waste recycling. These actions should be accompanied by restricting antibiotic use only to clinically justified situations, developing novel treatments, and promoting prophylaxis. It is pivotal for health authorities and the medical community to adopt the protection of environmental quality as a part of public health measures, also in the context of antibiotic resistance management.
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Affiliation(s)
- Piotr Rzymski
- Department of Environmental Medicine, Poznan University of Medical Sciences, Poznań, Poland.
| | - Willis Gwenzi
- Biosystems and Environmental Engineering Research Group, 380 New Adylin, Marlborough, Harare, Zimbabwe; Alexander von Humboldt Fellow and Guest Professor, Grassland Science and Renewable Plant Resources, Faculty of Organic Agricultural Sciences, Universität Kassel, Witzenhausen, Germany; Alexander von Humboldt Fellow and Guest Professor, Leibniz Institute for Agricultural Engineering and Bioeconomy, Potsdam, Germany
| | - Barbara Poniedziałek
- Department of Environmental Medicine, Poznan University of Medical Sciences, Poznań, Poland
| | - Serghei Mangul
- Titus Family Department of Clinical Pharmacy, USC Alfred E. Mann School of Pharmacy and Pharmaceutical Sciences, University of Southern California, Los Angeles, CA, USA
| | - Andrzej Fal
- Department of Allergy, Lung Diseases and Internal Medicine Central Clinical Hospital, Ministry of Interior, Warsaw, Poland; Collegium Medicum, Warsaw Faculty of Medicine, Cardinal Stefan Wyszyński University, Warsaw, Poland
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Bywater A, Alexander K, Eifert J, Strawn LK, Ponder MA. Survival of Inoculated Campylobacter jejuni and Escherichia coli O157:H7 on Kale During Refrigerated Storage. J Food Prot 2023; 86:100042. [PMID: 36916566 DOI: 10.1016/j.jfp.2023.100042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 01/06/2023] [Accepted: 01/09/2023] [Indexed: 01/15/2023]
Abstract
Campylobacter and pathogenic Escherichia coliillnesses have been attributed to the consumption of fresh produce. The leafy green, kale, is increasingly consumed raw. In comparison to other leafy greens, kale has a longer shelf-life. Due to the extended shelf-life of kale, it is warranted to examine the survival of pathogenic Campylobacter jejuni and E. coli O157:H7 inoculated on the surface of kale stored in a controlled environment at 4 ± 1.4°C, and average humidity of 95 ± 1.9% over a 23-day period. At predetermined time points (days 0, 1, 2, 3, 5, 7, 9, 11, 13, 15, 17, 19, and 21), inoculated kale was destructively sampled and the surviving bacteria determined by serial dilution and plating onto Tryptic soy agar, Charcoal cefoperozone deoxycholate agar, and Eosin methylene blue for total aerobic bacteria, C. jejuni, and E. coli O157:H7, respectively. Enrichment and PCR were used for detection when pathogens were not detected using serial dilution and plating. Aerobic heterotrophic bacteria increased over the 23-day period, in contrast, significant declines in the inoculated pathogens were observed. Inoculated E. coli O157:H7 survived longer on kale (up to 19 d); in comparison, C. jejuni was undetectable by day 13 using enrichment and PCR or plating. In conclusion, C. jejuni and E. coli O157:H7 declined on fresh kale over time when held at refrigerated temperatures but were still detected during the majority of the time when the kale would likely still be considered edible by consumers.
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Affiliation(s)
- Auja Bywater
- Virgnia Tech, Department of Food Science and Technology, 1230 Washington St, Blacksburg, VA 24061, USA
| | - Kathleen Alexander
- Virgnia Tech, Department of Fisheries and Wildlife, 310 W Campus Dr, Blacksburg, VA 24061, USA
| | - Joseph Eifert
- Virgnia Tech, Department of Food Science and Technology, 1230 Washington St, Blacksburg, VA 24061, USA
| | - Laura K Strawn
- Virgnia Tech, Department of Food Science and Technology, 1230 Washington St, Blacksburg, VA 24061, USA
| | - Monica A Ponder
- Virgnia Tech, Department of Food Science and Technology, 1230 Washington St, Blacksburg, VA 24061, USA.
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Nennig M, Clément A, Longueval E, Bernardi T, Ragimbeau C, Tresse O. Metaphenotypes associated with recurrent genomic lineages of Campylobacter jejuni responsible for human infections in Luxembourg. Front Microbiol 2022; 13:901192. [PMID: 36160185 PMCID: PMC9490421 DOI: 10.3389/fmicb.2022.901192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 08/01/2022] [Indexed: 11/13/2022] Open
Abstract
Campylobacter jejuni is a leading cause of foodborne illnesses worldwide. Although considered fragile, this microaerophilic bacterium is able to survive in various challenging environments, which subsequently constitutes multiple sources of transmission for human infection. To test the assumption of acquiring specific features for adaptation and survival, we established a workflow of phenotypic tests related to the survival and the persistence of recurrent and sporadic strains. A representative collection of 83 strains isolated over 13 years from human, mammal, poultry, and environmental sources in Luxembourg, representing different spreading patterns (endemic, epidemic, and sporadic), was screened for survival to oxidative stresses, for acclimating to aerobic conditions (AC), and for persistence on abiotic surfaces. Using the cgMLST Oxford typing scheme for WGS data, the collection was classified into genomic lineages corresponding to host-generalist strains (lineages A and D, CC ST-21), host-specific strains (lineage B, CC ST-257 and lineage C, CC ST-464) and sporadic strains. We established that when a strain survives concentrations beyond 0.25 mM superoxide stress, it is six times more likely to survive hyperoxide stress and that a highly adherent strain is 14 times more likely to develop a biofilm. Surprisingly, more than half of the strains could acclimate to AC but this capacity does not explain the difference between recurrent genomic lineages and sporadic strains and the survival to oxidative stresses, while recurrent strains have a significantly higher adhesion/biofilm formation capacity than sporadic ones. From this work, the genomic lineages with more stable genomes could be characterized by a specific combination of phenotypes, called metaphenotypes. From the functional genomic analyses, the presence of a potentially functional T6SS in the strains of lineage D might explain the propensity of these strains to be strong biofilm producers. Our findings support the hypothesis that phenotypical abilities contribute to the spatio-temporal adaptation and survival of stable genomic lineages. It suggests a selection of better-adapted and persistent strains in challenging stress environments, which could explain the prevalence of these lineages in human infections.
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Affiliation(s)
- Morgane Nennig
- Epidemiology and Microbial Genomics, Laboratoire National de Santé, Dudelange, Luxembourg
- UMR-1280 PhAN, INRAE, Nantes, France
| | - Arnaud Clément
- BioFilm Control, Biopôle Clermont-Limagne, Saint-Beauzire, France
| | - Emmanuelle Longueval
- Epidemiology and Microbial Genomics, Laboratoire National de Santé, Dudelange, Luxembourg
| | - Thierry Bernardi
- BioFilm Control, Biopôle Clermont-Limagne, Saint-Beauzire, France
| | - Catherine Ragimbeau
- Epidemiology and Microbial Genomics, Laboratoire National de Santé, Dudelange, Luxembourg
- *Correspondence: Catherine Ragimbeau,
| | - Odile Tresse
- UMR-1280 PhAN, INRAE, Nantes, France
- Odile Tresse,
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Lazo-Láscarez S, Gutiérrez LZ, Duarte-Martínez F, Romero Zúñiga JJ, Arias Echandi ML, Muñoz-Vargas L. Antimicrobial Resistance and Genetic Diversity of Campylobacter spp. Isolated from Broiler Chicken at Three Levels of the Poultry Production Chain in Costa Rica. J Food Prot 2021; 84:2143-2150. [PMID: 34324670 DOI: 10.4315/jfp-21-111] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 07/29/2021] [Indexed: 11/11/2022]
Abstract
ABSTRACT Campylobacter spp. are considered the most common bacterial cause of human gastroenteritis, one of the four main causes of diarrheal disease worldwide, and they are one of the main foodborne pathogens causing hospitalizations and deaths. Here, 148 strains of Campylobacter spp. isolated from poultry at farms, processing plants, and retail stores in Costa Rica were examined for resistance to six antibiotics. An agar dilution test was used to determine the MIC and susceptibility profiles against doxycycline, ciprofloxacin, nalidixic acid, enrofloxacin, chloramphenicol, and erythromycin. In addition, a pulsed-field gel electrophoresis analysis was carried out to determine the genotype relatedness of a representative subset of the isolates. Approximately 136 (92%) of the 148 analyzed isolates showed resistance to the tested drugs. Nalidixic acid, ciprofloxacin, and enrofloxacin were the antibiotics for which resistance occurred most frequently (91.2, 85.8, and 85.8%, respectively), followed by doxycycline (25.0%), chloramphenicol (5.4%), and erythromycin (2.7%). The profile conferring only resistance to quinolones was the most frequently found, and only 2.0% of the isolates showed resistance to quinolones and macrolides simultaneously. Results showed a high frequency of resistant Campylobacter spp. strains and evidenced the distribution, selection, and circulation of resistant strains along the poultry chain from farms to consumers. Cross-contamination and resistance seem to play important roles in the dissemination of these strains at specific points of the poultry chain, even when control measures are being taken. The establishment of effective surveillance and control strategies represents an essential tool for foodborne diseases mitigation. The rational use of antibiotics, especially those still showing efficacy, should be a priority in both human and veterinary medicine to contain the progress of this phenomenon and its consequences. HIGHLIGHTS
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Affiliation(s)
| | | | - Francisco Duarte-Martínez
- National Reference Centre for Microbiological Food Safety, Costa Rican Institute for Research and Education in Nutrition and Health (INCIENSA), Tres Ríos, Cartago, Costa Rica
| | | | - María Laura Arias Echandi
- Food and Water Microbiology Laboratory, Faculty of Microbiology and Tropical Disease Research Center, University of Costa Rica, San José 2060, Costa Rica
| | - Lohendy Muñoz-Vargas
- Escuela de Medicina Veterinaria, Universidad Nacional, Heredia 86-3000, Costa Rica
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Elgamoudi BA, Korolik V. Campylobacter Biofilms: Potential of Natural Compounds to Disrupt Campylobacter jejuni Transmission. Int J Mol Sci 2021; 22:12159. [PMID: 34830039 PMCID: PMC8617744 DOI: 10.3390/ijms222212159] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/08/2021] [Accepted: 11/08/2021] [Indexed: 12/19/2022] Open
Abstract
Microbial biofilms occur naturally in many environmental niches and can be a significant reservoir of infectious microbes in zoonotically transmitted diseases such as that caused by Campylobacter jejuni, the leading cause of acute human bacterial gastroenteritis world-wide. The greatest challenge in reducing the disease caused by this organism is reducing transmission of C. jejuni to humans from poultry via the food chain. Biofilms enhance the stress tolerance and antimicrobial resistance of the microorganisms they harbor and are considered to play a crucial role for Campylobacter spp. survival and transmission to humans. Unconventional approaches to control biofilms and to improve the efficacy of currently used antibiotics are urgently needed. This review summarizes the use plant- and microorganism-derived antimicrobial and antibiofilm compounds such as essential oils, antimicrobial peptides (AMPs), polyphenolic extracts, algae extracts, probiotic-derived factors, d-amino acids (DAs) and glycolipid biosurfactants with potential to control biofilms formed by Campylobacter, and the suggested mechanisms of their action. Further investigation and use of such natural compounds could improve preventative and remedial strategies aimed to limit the transmission of campylobacters and other human pathogens via the food chain.
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Affiliation(s)
- Bassam A. Elgamoudi
- Institute for Glycomics, Griffith University, Gold Coast, QLD 4222, Australia;
| | - Victoria Korolik
- Institute for Glycomics, Griffith University, Gold Coast, QLD 4222, Australia;
- School of Pharmacy and Medical Science, Griffith University, Gold Coast, QLD 4222, Australia
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Gudipati S, Zervos M, Herc E. Can the One Health Approach Save Us from the Emergence and Reemergence of Infectious Pathogens in the Era of Climate Change: Implications for Antimicrobial Resistance? Antibiotics (Basel) 2020; 9:antibiotics9090599. [PMID: 32937739 PMCID: PMC7557833 DOI: 10.3390/antibiotics9090599] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 09/08/2020] [Accepted: 09/11/2020] [Indexed: 12/11/2022] Open
Abstract
Climate change has become a controversial topic in today’s media despite decades of warnings from climate scientists and has influenced human health significantly with the increasing prevalence of infectious pathogens and contribution to antimicrobial resistance. Elevated temperatures lead to rising sea and carbon dioxide levels, changing environments and interactions between humans and other species. These changes have led to the emergence and reemergence of infectious pathogens that have already developed significant antimicrobial resistance. Although these new infectious pathogens are alarming, we can still reduce the burden of infectious diseases in the era of climate change if we focus on One Health strategies. This approach aims at the simultaneous protection of humans, animals and environment from climate change and antimicrobial impacts. Once these relationships are better understood, these models can be created, but the support of our legislative and health system partnerships are critical to helping with strengthening education and awareness.
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Jaakkonen A, Kivistö R, Aarnio M, Kalekivi J, Hakkinen M. Persistent contamination of raw milk by Campylobacter jejuni ST-883. PLoS One 2020; 15:e0231810. [PMID: 32315369 PMCID: PMC7173850 DOI: 10.1371/journal.pone.0231810] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Accepted: 04/01/2020] [Indexed: 01/08/2023] Open
Abstract
Campylobacter jejuni has caused several campylobacteriosis outbreaks via raw milk consumption. This study reports follow-up of a milk-borne campylobacteriosis outbreak that revealed persistent C. jejuni contamination of bulk tank milk for seven months or longer. Only the outbreak-causing strain, representing sequence type (ST) 883, was isolated from milk, although other C. jejuni STs were also isolated from the farm. We hypothesized that the outbreak strain harbors features that aid its environmental transmission or survival in milk. To identify such phenotypic features, the outbreak strain was characterized for survival in refrigerated raw milk and in aerobic broth culture by plate counting and for biofilm formation on microplates by crystal violet staining and quantification. Furthermore, whole-genome sequences were studied for such genotypic features. For comparison, we characterized isolates representing other STs from the same farm and an ST-883 isolate that persisted on another dairy farm, but was not isolated from bulk tank milk. With high inocula (105 CFU/ml), ST-883 strains survived in refrigerated raw milk longer (4-6 days) than the other strains (≤3 days), but the outbreak strain showed no outperformance among ST-883 strains. This suggests that ST-883 strains may share features that aid their survival in milk, but other mechanisms are required for persistence in milk. No correlation was observed between survival in refrigerated milk and aerotolerance. The outbreak strain formed a biofilm, offering a potential explanation for persistence in milk. Whether biofilm formation was affected by pTet-like genomic element and phase-variable genes encoding capsular methyltransferase and cytochrome C551 peroxidase warrants further study. This study suggests a phenotypic target candidate for interventions and genetic markers for the phenotype, which should be investigated further with the final aim of developing control strategies against C. jejuni infections.
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Affiliation(s)
- Anniina Jaakkonen
- Microbiology Unit, Laboratory and Research Division, Finnish Food Authority, Helsinki, Finland
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Rauni Kivistö
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Maria Aarnio
- Microbiology Unit, Laboratory and Research Division, Finnish Food Authority, Helsinki, Finland
| | - Jenni Kalekivi
- Microbiology Unit, Laboratory and Research Division, Finnish Food Authority, Helsinki, Finland
| | - Marjaana Hakkinen
- Microbiology Unit, Laboratory and Research Division, Finnish Food Authority, Helsinki, Finland
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8
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Strain-Specific Differences in Survival of Campylobacter spp. in Naturally Contaminated Turkey Feces and Water. Appl Environ Microbiol 2019; 85:AEM.01579-19. [PMID: 31519663 DOI: 10.1128/aem.01579-19] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 09/08/2019] [Indexed: 12/30/2022] Open
Abstract
Campylobacter jejuni and Campylobacter coli are leading causes of human foodborne illness, with poultry as a major vehicle. Turkeys are frequently colonized with Campylobacter, but little is known about Campylobacter survival in turkey feces, even though fecal droppings are major vehicles for Campylobacter within-flock transmission as well as for environmental dissemination. Our objective was to examine survival of Campylobacter, including different strains, in freshly excreted feces from naturally colonized commercial turkey flocks and in suspensions of turkey feces in water from the turkey house. Fecal and water suspensions were stored at 4°C, and Campylobacter populations were enumerated on selective media at 48-h intervals. C. jejuni and C. coli isolates were characterized for resistance to a panel of antibiotics, and a subset was subtyped using multilocus sequence typing. Campylobacter was recovered from feces and water for up to 16 days. Analysis of 548 isolates (218 C. jejuni and 330 C. coli) revealed that C. jejuni survived longer than C. coli in feces (P = 0.0005), while the reverse was observed in water (P < 0.0001). Strain-specific differences in survival were noted. Multidrug-resistant C. jejuni isolates of sequence type 1839 (ST-1839) and the related ST-2935 were among the longest-surviving isolates in feces, being recovered for up to 10 to 16 days, while multidrug-resistant C. coli isolates of ST-1101 were recovered from feces for only up to 4 days. Data on Campylobacter survival upon excretion from the birds can contribute to further understanding of the transmission dynamics of this pathogen in the poultry production ecosystem.IMPORTANCE Campylobacter jejuni and Campylobacter coli are leading foodborne pathogens, with poultry as a major reservoir. Due to their growth requirements, these Campylobacter spp. may be unable to replicate once excreted by their avian hosts, but their survival in feces and the environment is critical for transmission in the farm ecosystem. Reducing the prevalence of Campylobacter-positive flocks can have major impacts in controlling both contamination of poultry products and environmental dissemination of the pathogens. However, understanding the capacity of these pathogens to survive in transmission-relevant vehicles such as feces and farmhouse water remains poorly understood, and little information is available on species- and strain-associated differences in survival. Here, we employed model conditions to investigate the survival of C. jejuni and C. coli from naturally colonized turkey flocks, and with diverse genotypes and antimicrobial resistance profiles, in turkey feces and in farmhouse water.
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Suriyarak S, Schmidt H, Villeneuve P, Weiss J. Morphological and Dose-Dependent Study on the Effect of Methyl, Hexyl, and Dodecyl Rosmarinate on Staphylococcus carnosus LTH1502: Use of the Weibull Model. J Food Prot 2018; 81:598-605. [PMID: 29528706 DOI: 10.4315/0362-028x.jfp-17-334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The mechanisms of three antimicrobial rosmarinates (methyl-RE1, hexyl-RE6, and dodecyl-RE12) were investigated against Staphylococcus carnosus LTH1502. Scanning electron microscopy was used to determine the morphology of treated cells to gain information on potential changes in the site of action of compounds. The survival data obtained from antimicrobial activity assays were fitted to a nonlinear Weibull model to assess changes in inactivation behavior. Generally, esters became more effective with increasing length of the alkyl chain, resulting in a lower concentration for inhibition and inactivation. Weibull distribution parameters showed a downward concave inactivation pattern for RE1 above a critical concentration, indicative of a delayed log phase of the antimicrobial activity, with few cells being inactivated immediately after treatment and more cells being affected at later times. In contrast, esters having longer alkyl chains (RE6 and RE12) had an upward concave inactivation behavior, with more cells being inactivated immediately after addition of compounds. Cellular morphologies suggest that the antimicrobial mode of action of esters transitions from one that acts intracellularly (RE1) to one that predominately affects bacterial membrane (RE6 and RE12) due to changes in physicochemical properties of esters. Assessment that is based on the parameters of the Weibull model could, thus, be used to evaluate antimicrobial efficiency, in addition to MIC.
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Affiliation(s)
- Sarisa Suriyarak
- 1 Department of Food Technology, Faculty of Science, and
- 2 Emerging Process for Food Functionality Design Research Unit, Chulalongkorn University, Phayathai, 10330 Bangkok, Thailand (ORCID: http://orcid.org/0000-0003-4873-6378 )
| | | | - Pierre Villeneuve
- 4 Centre de Coopération Internationale en Recherche Agronomique pour le Dévelopment (CIRAD), Unité Mixte de Recherche (UMR), Ingénierie des Agropolymères et Technologies Emergentes (IATE), Montpellier, 34060 France
| | - Jochen Weiss
- 5 Department of Food Physics and Meat Science, Garbenstrasse 21/25, Institute of Food Science and Biotechnology, University of Hohenheim, 70599 Stuttgart, Germany; and
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Kovac J, Stessl B, Čadež N, Gruntar I, Cimerman M, Stingl K, Lušicky M, Ocepek M, Wagner M, Smole Možina S. Population structure and attribution of human clinical Campylobacter jejuni isolates from central Europe to livestock and environmental sources. Zoonoses Public Health 2017; 65:51-58. [PMID: 28755449 DOI: 10.1111/zph.12366] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Indexed: 12/19/2022]
Abstract
Campylobacter jejuni is among the most prevalent causes of human bacterial gastroenteritis worldwide. Domesticated animals and, especially, chicken meat are considered to be the main sources of infections. However, the contribution of surface waters and wildlife in C. jejuni transmission to humans is not well understood. We have evaluated the source attribution potential of a six-gene multiplex PCR (mPCR) method coupled with STRUCTURE analysis on a set of 410 C. jejuni strains isolated from environment, livestock, food and humans in central Europe. Multiplex PCR fingerprints were analysed using Subclade prediction algorithm to classify them into six distinct mPCR clades. A subset of C. jejuni isolates (70%) was characterized by multilocus sequence typing (MLST) demonstrating 74% congruence between mPCR and MLST. The correspondence analysis of mPCR clades and sources of isolation indicated three distinct groups in the studied C. jejuni population-the first one associated with isolates from poultry, the second one with isolates from cattle, and the third one with isolates from the environment. The STRUCTURE analysis attributed 7.2% and 21.7% of human isolates to environmental sources based on MLST and mPCR fingerprints, respectively.
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Affiliation(s)
- J Kovac
- Department of Food Science and Technology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia.,Department of Food Science, The Pennsylvania State University, State College, PA, USA
| | - B Stessl
- Institute of Milk Hygiene, Milk Technology and Food Science, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine, Vienna, Austria
| | - N Čadež
- Department of Food Science and Technology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - I Gruntar
- Institute of Microbiology and Parasitology, Veterinary Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - M Cimerman
- National Laboratory of Health, Environment and Food, Department of Microbiological Analysis of Food, Water and Environmental Samples Maribor, Maribor, Slovenia
| | - K Stingl
- Department of Biological Safety, National Reference Laboratory for Campylobacter, Federal Institute for Risk Assessment (BfR), Berlin, Germany
| | - M Lušicky
- National Laboratory of Health, Environment and Food, Department of Microbiological Analysis of Food, Water and Environmental Samples Maribor, Maribor, Slovenia
| | - M Ocepek
- Institute of Microbiology and Parasitology, Veterinary Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - M Wagner
- Institute of Milk Hygiene, Milk Technology and Food Science, Department for Farm Animals and Veterinary Public Health, University of Veterinary Medicine, Vienna, Austria
| | - S Smole Možina
- Department of Food Science and Technology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
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Survival and Risk Comparison of Campylobacter jejuni on Various Processed Meat Products. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2016; 13:ijerph13060580. [PMID: 27294947 PMCID: PMC4924037 DOI: 10.3390/ijerph13060580] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Revised: 05/30/2016] [Accepted: 06/07/2016] [Indexed: 11/17/2022]
Abstract
The objective of this study was to investigate survival kinetics of Campylobacter jejuni on various processed meat products (dry-cured ham, round ham with/without sodium nitrite, garlic seasoned ham with/without sodium nitrite, and sausage without sodium nitrite). Additionally, a semi-quantitative risk assessment of C. jejuni on various processed meat products was conducted using FDA-iRISK 1.0. Inoculated processed meat products with 6.0 ± 0.5 log CFU/g of C. jejuni were vacuum packed and stored at 4, 10, 17, 24, 30, and 36 °C. Survival curves were fitted to the Weibull model to obtain the delta values of C. jejuni on various processed meat products. The most rapid death of C. jejuni was observed on dry-cured ham, followed by sausage without sodium nitrite. The results of semi-quantitative risk assessment indicate that dry-cured ham represented the lowest risk among all samples. C. jejuni on processed meats presented a greater risk at 4 °C than at 10 °C. The risk of ham was greater than the risk of sausage, regardless of type. Among all samples, the highest risk of C. jejuni was observed in round ham without sodium nitrite. Overall, our data indicates that risk of processed meat products due to C. jejuni is relatively low.
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Zhong Q, Tian J, Wang B, Wang L. PMA based real-time fluorescent LAMP for detection of Vibrio parahaemolyticus in viable but nonculturable state. Food Control 2016. [DOI: 10.1016/j.foodcont.2015.11.043] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Effect of pulsed electric field (PEF)-treated kombucha analogues from Quercus obtusata infusions on bioactives and microorganisms. INNOV FOOD SCI EMERG 2016. [DOI: 10.1016/j.ifset.2016.01.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Uyttendaele M, Jaykus LA, Amoah P, Chiodini A, Cunliffe D, Jacxsens L, Holvoet K, Korsten L, Lau M, McClure P, Medema G, Sampers I, Rao Jasti P. Microbial Hazards in Irrigation Water: Standards, Norms, and Testing to Manage Use of Water in Fresh Produce Primary Production. Compr Rev Food Sci Food Saf 2015. [DOI: 10.1111/1541-4337.12133] [Citation(s) in RCA: 173] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
| | - Lee-Ann Jaykus
- Dept. of Food, Bioprocessing and Nutrition Sciences; North Carolina State Univ; U.S.A
| | | | - Alessandro Chiodini
- ILSI Europe, Intl. Life Sciences Inst; European Branch; 83 Ave. E. Mounier, B6, B-1200 Brussels Belgium
| | - David Cunliffe
- Dept. of Health; Public Health; P.O. Box 6, Rundle Mall 5000 South Australia
| | | | - Kevin Holvoet
- Dept. Food Safety & Food Quality; Ghent Univ; Ghent Belgium
| | - Lise Korsten
- Dept. of Plant and Crop Sciences; Univ. of Pretoria; 0002 Pretoria South Africa
| | - Mathew Lau
- School of Chemical & Life Sciences; Nanyang Polytechnic; Singapore
| | - Peter McClure
- Mondelez Intl., Bayerwaldstrasse 8; 81737 München; Germany
| | - Gertjan Medema
- KWR, Watercycle Research Inst; Delft Univ. of Technology; Postbus 1072 3430 BB Nieuwegein The Netherlands
| | - Imca Sampers
- Dept. of Industrial Biological Sciences; Ghent Univ. Campus Kortrijk; Kortrijk Belgium
| | - Pratima Rao Jasti
- ILSI Europe, Intl. Life Sciences Inst; European Branch; 83 Ave. E. Mounier, B6, B-1200 Brussels Belgium
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Larsen MH, Dalmasso M, Ingmer H, Langsrud S, Malakauskas M, Mader A, Møretrø T, Smole Možina S, Rychli K, Wagner M, John Wallace R, Zentek J, Jordan K. Persistence of foodborne pathogens and their control in primary and secondary food production chains. Food Control 2014. [DOI: 10.1016/j.foodcont.2014.03.039] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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17
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Borkow G, Assadian O. Survival of Microorganisms on Inanimate Surfaces. USE OF BIOCIDAL SURFACES FOR REDUCTION OF HEALTHCARE ACQUIRED INFECTIONS 2014. [PMCID: PMC7123372 DOI: 10.1007/978-3-319-08057-4_2] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
In healthcare settings microbial contaminated surfaces play an important role in indirect transmission of infection. Especially surfaces close to the patients’ environment may be touched at high frequencies, allowing transmission from animated sources to others via contaminated inanimate surfaces. Therefore, the knowledge on the survival of bacteria, fungi, viruses and protozoa on surfaces, and hence, in a broader sense, in the human environment, is important for implementing tactics for prevention of Healthcare-acquired Infections (HAI). This chapter will elaborate the role of surfaces in the transmission of pathogens. Particular emphasis is laid on the current knowledge of the survival time and conditions favouring survival of the pathogens. Finally, mechanisms of transmission from inanimate surfaces to patients are highlighted. Within the multi-barrier strategy of the prevention of HAI, environmental disinfection policies should be based on risk assessments for surfaces with different risks for cross contamination such as high- and low-touched surfaces with appropriate standards for adequate disinfection measures under consideration of the persistence and infectious dose of the pathogens. As a result, surface disinfection is indicated in the following situations:Frequently touched surfaces adjacent to patients Surfaces with assumed or visible contamination Terminal disinfection in rooms or areas where infected or colonized patients with easily transferable nosocomial pathogens are cared for, and in outbreak situations.
Furthermore, the knowledge of the persistence of pathogens will also support ensuring the biosafety in microbiological and biomedical laboratories, food-handling settings, and for hygienic behaviour in the everyday life to prevent transmission of infectious diseases.
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Bronowski C, James CE, Winstanley C. Role of environmental survival in transmission of Campylobacter jejuni. FEMS Microbiol Lett 2014; 356:8-19. [PMID: 24888326 DOI: 10.1111/1574-6968.12488] [Citation(s) in RCA: 115] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2014] [Revised: 05/20/2014] [Accepted: 05/24/2014] [Indexed: 11/29/2022] Open
Abstract
Campylobacter species are the most common cause of bacterial gastroenteritis, with C. jejuni responsible for the majority of these cases. Although it is clear that livestock, and particularly poultry, are the most common source, it is likely that the natural environment (soil and water) plays a key role in transmission, either directly to humans or indirectly via farm animals. It has been shown using multilocus sequence typing that some clonal complexes (such as ST-45) are more frequently isolated from environmental sources such as water, suggesting that strains vary in their ability to survive in the environment. Although C. jejuni are fastidious microaerophiles generally unable to grow in atmospheric levels of oxygen, C. jejuni can adapt to survival in the environment, exhibiting aerotolerance and starvation survival. Biofilm formation, the viable but nonculturable state, and interactions with other microorganisms can all contribute to survival outside the host. By exploiting high-throughput technologies such as genome sequencing and RNA Seq, we are well placed to decipher the mechanisms underlying the variations in survival between strains in environments such as soil and water and to better understand the role of environmental persistence in the transmission of C. jejuni directly or indirectly to humans.
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Affiliation(s)
- Christina Bronowski
- Institute of Infection and Global Health, University of Liverpool, Liverpool, UK
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19
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Carbonero A, Paniagua J, Torralbo A, Arenas-Montes A, Borge C, García-Bocanegra I. Campylobacter infection in wild artiodactyl species from southern Spain: Occurrence, risk factors and antimicrobial susceptibility. Comp Immunol Microbiol Infect Dis 2014; 37:115-21. [DOI: 10.1016/j.cimid.2014.01.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2013] [Revised: 11/08/2013] [Accepted: 01/04/2014] [Indexed: 11/26/2022]
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20
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Huang K, Yu L, Wang W, Gai L, Wang J. Comparing the pulsed electric field resistance of the microorganisms in grape juice: Application of the Weibull model. Food Control 2014. [DOI: 10.1016/j.foodcont.2013.07.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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21
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Pitkänen T. Review of Campylobacter spp. in drinking and environmental waters. J Microbiol Methods 2013; 95:39-47. [DOI: 10.1016/j.mimet.2013.06.008] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2012] [Revised: 04/15/2013] [Accepted: 06/10/2013] [Indexed: 01/07/2023]
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22
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Wang W, Li M, Li Y. Modeling the thermoultrasound inactivation of Vibrio parahaemolyticus in raw peeled shrimps. J Food Prot 2013; 76:1712-8. [PMID: 24112570 DOI: 10.4315/0362-028x.jfp-12-568] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Vibrio parahaemolyticus has been identified as a causative agent for seafoodborne diseases worldwide. The effect of thermoultrasound treatment on the survival of V. parahaemolyticus in raw peeled shrimps was investigated in this study as an alternative bacterial inactivation method in seafood as part of the postharvest washing process. Raw peeled shrimps inoculated with V. parahaemolyticus were treated with mild heat (47, 50, and 53°C) combined with ultrasound (0, 96, 150, and 204 W) based on a 3 × 4 full factorial design, and the bacterial survival curves were fitted with a Weibull model. Because of the high correlations of the shape parameter n and the scale parameter β in the Weibull model, an overall n was estimated from the whole set of bacterial inactivation data and β values were estimated for each set of inactivation curves accordingly. A response surface model was generated to describe the scale parameter as a function of temperature and ultrasonic power. The results indicated that the Weibull model with the overall n value could be used to describe the bacterial reduction with the time of exposure to the thermoultrasound treatments, which was well supported by the small root mean square errors (RMSE) and the high coefficients of determination (R(2)). The quadratic model was validated with independent experiments within the prediction range. Statistical indices (R(2) = 0.99; P < 0.0001; RMSE = 0.17) and validation parameters (bias factor = 0.97; accuracy factor = 1.03) indicated satisfactory performance of the quadratic model. The results indicated that the thermoultrasound treatment is effective, simple, and cost-effective for inactivation of V. parahaemolyticus in shrimps during the postharvest washing process.
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Affiliation(s)
- Wen Wang
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, People's Republic of China
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23
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Exploring the potential environmental functions of viable but non-culturable bacteria. World J Microbiol Biotechnol 2013; 29:2213-8. [PMID: 23733177 DOI: 10.1007/s11274-013-1390-5] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2013] [Accepted: 05/28/2013] [Indexed: 12/25/2022]
Abstract
A conventional plate count is the most commonly employed method to estimate the number of living bacteria in environmental samples. In fact, judging the level of viable culture by plate count is limited, because it is often several orders of magnitude less than the number of living bacteria actually present. Most of the bacteria are in "viable but non-culturable" (VBNC) state, whose cells are intact and alive and can resuscitate when surrounding conditions are more favorable. The most exciting recent development in resuscitating VBNC bacteria is a bacterial cytokine, namely, the resuscitation-promoting factor (Rpf), secreted by Micrococcus luteus, which promotes the resuscitation and growth of high G+C Gram-positive organisms, including some species of the genus Mycobacterium. However, most of studies deal with VBNC bacteria only from the point of view of medicine and epidemiology. It is therefore of great significance to research whether these VBNC state bacteria also possess some useful environmental capabilities, such as degradation, flocculation, etc. Further studies are needed to elucidate the possible environmental role of the VBNC bacteria, rather than only considering their role as potential pathogens from the point view of epidemiology and public health. We have studied the resuscitation of these VBNC bacteria in polluted environments by adding culture supernatant containing Rpf from M. luteus, and it was found that, as a huge microbial resource, VBNC bacteria could provide important answers to dealing with existing problems of environmental pollution. This mini-review will provide new insight for considering the potentially environmental functions of VBNC bacteria.
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