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Corcionivoschi N, Balta I, McCleery D, Bundurus I, Pet I, Calaway T, Nichita I, Stef L, Morariu S. Mechanisms of Pathogenic Escherichia coli Attachment to Meat. Foodborne Pathog Dis 2024. [PMID: 38593459 DOI: 10.1089/fpd.2023.0164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/11/2024] Open
Abstract
Escherichia coli are present in the human and animal microbiome as facultative anaerobes and are viewed as an integral part of the whole gastrointestinal environment. In certain circumstances, some species can also become opportunistic pathogens responsible for severe infections in humans. These infections are caused by the enterotoxinogenic E. coli, enteroinvasive E. coli, enteropathogenic E. coli and the enterohemorrhagic E. coli species, frequently present in food products and on food matrices. Severe human infections can be caused by consumption of meat contaminated upon exposure to animal feces, and as such, farm animals are considered to be a natural reservoir. The mechanisms by which these four major species of E. coli adhere and persist in meat postslaughter are of major interest to public health and food processors given their frequent involvement in foodborne outbreaks. This review aims to structure and provide an update on the mechanistic roles of environmental factors, curli, type I and type IV pili on E. coli adherence/interaction with meat postslaughter. Furthermore, we emphasize on the importance of bacterial surface structures, which can be used in designing interventions to enhance food safety and protect public health by reducing the burden of foodborne illnesses.
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Affiliation(s)
- Nicolae Corcionivoschi
- Bacteriology Branch, Veterinary Sciences Division, Agri-Food and Biosciences Institute, Belfast, United Kingdom
- Faculty of Bioengineering of Animal Resources, University of Life Sciences King Mihai I from Timisoara, Timisoara, Romania
- Academy of Romanian Scientists, Bucharest, Romania
| | - Igori Balta
- Faculty of Bioengineering of Animal Resources, University of Life Sciences King Mihai I from Timisoara, Timisoara, Romania
| | - David McCleery
- Bacteriology Branch, Veterinary Sciences Division, Agri-Food and Biosciences Institute, Belfast, United Kingdom
| | - Iulia Bundurus
- Faculty of Bioengineering of Animal Resources, University of Life Sciences King Mihai I from Timisoara, Timisoara, Romania
| | - Ioan Pet
- Faculty of Bioengineering of Animal Resources, University of Life Sciences King Mihai I from Timisoara, Timisoara, Romania
| | - Todd Calaway
- Department of Animal and Dairy Science, University of Georgia, Athens, Georgia, USA
| | - Ileana Nichita
- Faculty of Veterinary Medicine, University of Life Sciences King Mihai I from Timisoara, Timisoara, Romania
| | - Lavinia Stef
- Faculty of Bioengineering of Animal Resources, University of Life Sciences King Mihai I from Timisoara, Timisoara, Romania
| | - Sorin Morariu
- Faculty of Veterinary Medicine, University of Life Sciences King Mihai I from Timisoara, Timisoara, Romania
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Piveteau P, Druilhe C, Aissani L. What on earth? The impact of digestates and composts from farm effluent management on fluxes of foodborne pathogens in agricultural lands. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 840:156693. [PMID: 35700775 DOI: 10.1016/j.scitotenv.2022.156693] [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: 03/07/2022] [Revised: 06/10/2022] [Accepted: 06/10/2022] [Indexed: 06/15/2023]
Abstract
The recycling of biomass is the cornerstone of sustainable development in the bioeconomy. In this context, digestates and composts from processed agricultural residues and biomasses are returned to the soil. Whether or not the presence of pathogenic microorganisms in these processed biomasses is a threat to the sustainability of the current on-farm practices is still the subject of debate. In this review, we describe the microbial pathogens that may be present in digestates and composts. We then provide an overview of the current European regulation designed to mitigate health hazards linked to the use of organic fertilisers and soil improvers produced from farm biomasses and residues. Finally, we discuss the many factors that underlie the fate of microbial pathogens in the field. We argue that incorporating land characteristics in the management of safety issues connected with the spreading of organic fertilisers and soil improvers can improve the sustainability of biomass recycling.
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de Oliveira MS, Oshiro-Junior JA, Dantas MM, da Fonsêca NF, Ramos HA, da Silva JVB, de Medeiros ACD. An Overview of the Antimicrobial Activity of Polymeric Nanoparticles Against Enterobacteriaceae. Curr Pharm Des 2021; 27:1311-1322. [PMID: 33121399 DOI: 10.2174/1381612826666201029095327] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Accepted: 09/26/2020] [Indexed: 11/22/2022]
Abstract
Bacterial resistance is considered one of the most important public health problems of the century, due to the ability of bacteria to rapidly develop resistance mechanisms, which makes it difficult to treat infections, leading to a high rate of morbidity and mortality. Based on this, several options are being sought as an alternative to currently available treatments, with a particular focus on nanotechnology. Nanomaterials have important potential for use in medical interventions aimed at preventing, diagnosing and treating numerous diseases by directing the delivery of drugs. This review presents data on the use of polymeric nanoparticles having in vitro and in vivo activity against bacteria belonging to the Enterobacteriaceae family.
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Affiliation(s)
- Maísa Soares de Oliveira
- Laboratorio de Desenvolvimento e Ensaios de Medicamentos, Centro de Ciencias Biologicas e da Saude, Universidade Estadual da Paraiba, Av. das Baraunas, 351, Campina Grande, PB, 58429-500, Campina Grande, Paraiba, Brazil
| | - João Augusto Oshiro-Junior
- Laboratorio de Desenvolvimento e Ensaios de Medicamentos, Centro de Ciencias Biologicas e da Saude, Universidade Estadual da Paraiba, Av. das Baraunas, 351, Campina Grande, PB, 58429-500, Campina Grande, Paraiba, Brazil
| | - Mariana Morais Dantas
- Laboratorio de Desenvolvimento e Ensaios de Medicamentos, Centro de Ciencias Biologicas e da Saude, Universidade Estadual da Paraiba, Av. das Baraunas, 351, Campina Grande, PB, 58429-500, Campina Grande, Paraiba, Brazil
| | - Naara Felipe da Fonsêca
- Laboratorio de Desenvolvimento e Ensaios de Medicamentos, Centro de Ciencias Biologicas e da Saude, Universidade Estadual da Paraiba, Av. das Baraunas, 351, Campina Grande, PB, 58429-500, Campina Grande, Paraiba, Brazil
| | - Hilthon Alves Ramos
- Laboratorio de Desenvolvimento e Ensaios de Medicamentos, Centro de Ciencias Biologicas e da Saude, Universidade Estadual da Paraiba, Av. das Baraunas, 351, Campina Grande, PB, 58429-500, Campina Grande, Paraiba, Brazil
| | - João Victor Belo da Silva
- Laboratorio de Desenvolvimento e Ensaios de Medicamentos, Centro de Ciencias Biologicas e da Saude, Universidade Estadual da Paraiba, Av. das Baraunas, 351, Campina Grande, PB, 58429-500, Campina Grande, Paraiba, Brazil
| | - Ana Claudia Dantas de Medeiros
- Laboratorio de Desenvolvimento e Ensaios de Medicamentos, Centro de Ciencias Biologicas e da Saude, Universidade Estadual da Paraiba, Av. das Baraunas, 351, Campina Grande, PB, 58429-500, Campina Grande, Paraiba, Brazil
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Huang J, Zhang S, Zhang S, Zhao Z, Cao Y, Chen M, Li B. A Comparative Study of Fluoroquinolone-Resistant Escherichia coli Lineages Portrays Indistinguishable Pathogenicity- and Survivability-Associated Phenotypic Characteristics Between ST1193 and ST131. Infect Drug Resist 2020; 13:4167-4175. [PMID: 33244246 PMCID: PMC7685377 DOI: 10.2147/idr.s277681] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 10/19/2020] [Indexed: 12/12/2022] Open
Abstract
Background Sequence type 1193 is a new such lineage among fluoroquinolone-resistant Escherichia coli, which has risen dramatically within the last several years. However, reasons for rapid emergence and successful spread of E. coli ST1193 remain unclear. The aim of this study was to compare the pathogenicity and survivability features of E. coli ST1193 with global epidemic lineage, ST131. Methods A total of 30 E. coli were used in this study. Isolates were divided into two groups, ST1193 (n=15) and ST131 (n=15). Adhesion and invasion to T24 cells and resistance to serum were quantified and compared among two groups. Biofilm formation capacity was assessed by crystal violet assay. Macrocolony formation was assessed on macrocolony formation plates. Resistance to hydrogen peroxide was performed by broth microdilution. RAW264.7 cells were used to assess the anti-phagocytic function of different isolates. Results Adhesion and invasion assays revealed that E. coli ST1193 could adhere and invade T24 cells (p <0.05). 93.3% of E. coli ST1193 could form biofilms. The majority of E. coli ST1193 (66.7%) possessed no curli/no cellulose on macrocolony formation plates. E. coli ST1193 showed significant growth in serum and hydrogen peroxide and illustrated higher anti-phagocytic function to RAW264.7 cells (p <0.05). Group analysis showed that E. coli ST1193 was similar to ST131 in pathogenicity- and survivability-associated phenotypic characteristics (p >0.05). Conclusion Our study provided more insights into pathogenicity and survivability features of E. coli ST1193, which was similar to ST131. Our study could be of great importance in understanding the emergence of global spread E. coli ST1193. Strategic and continued surveillance should be carried out to prevent the infections caused by E. coli ST1193.
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Affiliation(s)
- Jiangqing Huang
- Department of Clinical Laboratory, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, People's Republic of China
| | - Shengcen Zhang
- Department of Clinical Laboratory, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, People's Republic of China
| | - Shuyu Zhang
- Department of Laboratory Medicine, Fujian Medical University, Fuzhou, Fujian 350001, People's Republic of China
| | - Zhichang Zhao
- Department of Pharmacy, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, People's Republic of China
| | - Yingping Cao
- Department of Clinical Laboratory, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, People's Republic of China
| | - Min Chen
- Department of Laboratory Medicine, Fujian Medical University, Fuzhou, Fujian 350001, People's Republic of China
| | - Bin Li
- Department of Clinical Laboratory, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, People's Republic of China
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Cohen N, Zhou H, Hay AG, Radian A. Curli production enhances clay-E. coli aggregation and sedimentation. Colloids Surf B Biointerfaces 2019; 182:110361. [PMID: 31351270 DOI: 10.1016/j.colsurfb.2019.110361] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 07/10/2019] [Accepted: 07/11/2019] [Indexed: 01/02/2023]
Abstract
Curli are amyloid fibrils that polymerize extracellularly from curlin, a protein that is secreted by many enteric bacteria and is important for biofilm formation. Presented here is a systematic study of the effects of curli on bacteria-clay interactions. The aggregation trends of curli-producing and curli-deficient bacteria with clay minerals were followed using gradient-sedimentation experiments, Lumisizer measurements, bright-field and electron microscopy. The results revealed that curli-producing bacteria auto-aggregated into high-density flocs (1.23 g/cm3), ranging in size from 10 to 50 μm, that settle spontaneously. In contrast, curli-deficient bacteria remained relatively stable in solution as individual cells (1-2 μm, 1.18 g/cm3), even at high ionic strength (350 mM). The stability of clay suspensions mixed with curli-deficient bacteria depended on clay type and ionic strength, the general trends being consistent with the classic DLVO theory. However, suspensions of curli-producing bacteria mixed with clays were highly unstable regardless of clay type and solution chemistry, suggesting extensive interactions between the clays and the bacteria-curli aggregates. SEM measurements revealed interesting differences in morphologies of the aggregates; montmorillonite particles coated the bacterial auto-aggregates whereas the kaolinite platelets were embedded within the larger curli-bacteria aggregates. These new observations regarding the densities, aggregation trends, and morphologies of bacteria-curli and bacteria-curli-clay complexes make it clear that production of surface appendages, such as curli, need to be considered when addressing the fate, activity and transport of bacteria - particularly in aquatic environments.
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Affiliation(s)
- Nirrit Cohen
- Faculty of Civil and Environmental Engineering, Technion - Israel Institute of Technology, Technion City, Haifa 32000, Israel
| | - Hao Zhou
- Department of Microbiology, Cornell University, Ithaca, NY 14853 USA
| | - Anthony G Hay
- Department of Microbiology, Cornell University, Ithaca, NY 14853 USA
| | - Adi Radian
- Faculty of Civil and Environmental Engineering, Technion - Israel Institute of Technology, Technion City, Haifa 32000, Israel.
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