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Das T, Das S, A BC. Fabrication of a Label-Free Immunosensor Using Surface-Engineered AuPt@GQD Core-Shell Nanocomposite for the Selective Detection of Trace Levels of Escherichia coli from Contaminated Food Samples. ACS Biomater Sci Eng 2024; 10:4018-4034. [PMID: 38816970 DOI: 10.1021/acsbiomaterials.4c00297] [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: 06/01/2024]
Abstract
Fabrication of label-free immunosensors is highly necessitated due to their simplicity, cost-effectiveness, and robustness. Herein, we report the facile development of a label-free, direct, rapid, capacitive immunosensor for ultrasensitive and rapid recognition of trace levels of Escherichia coli from contaminated food samples. This was achieved using gold platinum core-shell nanoparticles loaded with graphene quantum dots (AuPt@GQDs) that were utilized as electrode modifiers. The incorporation of GQDs to the surface of AuPt core-shell nanoparticles was performed using the "greener" probe-sonication method. The electrochemical properties of AuPt@GQDs, determined using cyclic voltammetry and electrochemical impedance spectroscopy, suggested the optimized loading concentration of AuPt to be 0.05% in the core-shell nanocomposite to exhibit the highest current response. Furthermore, immobilization of anti-E. coli monoclonal antibodies (anti-E. coli mAb) onto the surface of modified electrodes was performed using amine coupling. The high specific binding of E. coli cells onto the surface of the immuno-electrode was measured as a direct function of change in transient capacitance with time that was measured at low and high frequencies. The resultant immunosensor (bovine serum albumin/anti-E. coli mAb/AuPt0.05@GQDs/FTO) demonstrated a detection range (5 to 4.5 × 103 cells/mL), with the detection limit as low as 1.5 × 102 cells/mL, and an excellent sensitivity ∼171,281.40 μF-1 mL cells-1 cm-2 without the use of any labels (R2-0.99). These findings were further verified using real sample analysis wherein the immuno-electrode demonstrated outstanding sensitivity, the highest noticed so far. More interestingly, the high resuability ∼48 weeks (RSD-5.92%) and excellent reproducibility in detection results (RSD ∼ 9.5%) testify its potential use in a clinical setting. The results reveal the usefulness of the surface-engineered AuPt@GQDs core-shell nanocomposite as an electrode modifier that can be used for the development of newer on-site monitoring devices to estimate trace levels of pathogens present as contaminants in food samples.
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Affiliation(s)
- Tushar Das
- Department of Chemistry, National Institute of Technology Patna, Bihar 800005, India
| | - Subrata Das
- Department of Chemistry, National Institute of Technology Patna, Bihar 800005, India
| | - Betty C A
- Chemistry Division, Bhabha Atomic Research Centre, Mumbai 400085, India
- Homi Bhabha National Institute, Mumbai 400085, India
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da Silva BF, Pereira AMG, Coelho PAT, de Almeida MVA, Dos Santos HS, Carneiro VA, Costa RA. Antibacterial effectiveness of trans-cinnamaldehyde against foodborne Enterobacteriaceae and its adjuvant effect with gentamicin. Braz J Microbiol 2024; 55:1647-1654. [PMID: 38374323 PMCID: PMC11153401 DOI: 10.1007/s42770-024-01282-5] [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] [Received: 05/12/2023] [Accepted: 02/07/2024] [Indexed: 02/21/2024] Open
Abstract
The Enterobacteriaceae family is recognized as a primary group of Gram-negative pathogens responsible for foodborne illnesses and is frequently associated with antibiotic resistance. The present study explores the natural-based compound trans-cinnamaldehyde (TC) against drug-resistant Enterobacteriaceae and its synergism with gentamicin (GEN) to address this issue. The research employs three strains of Escherichia coli, Klebsiella pneumoniae, and Enterobacter cloacae, previously isolated from shrimp. The antibacterial activity was evaluated by the disk diffusion method, microdilution test, kinetics of growth, and time-kill curve. In addition, the synergistic effect between TC/GEN was investigated by checkerboard assay. All strains showed sensitivity to TC with an inhibition zone diameter > 35 mm. The TC showed inhibitory and bactericidal action in the most tested bacteria around 625 μg/mL. Sub-inhibitory amounts (1/2 and 1/4 MIC) of TC interfered with the growth kinetics by lag phase extension and decreased the log phase. Time-kill curves show a reduction of viable cells after the first hour of TC treatment at bactericidal concentrations. The synergistic effect between TC/GEN was observed for E. coli and E. cloacae strains with FICi ranging from 0.15 to 0.50. These findings, therefore, suggest TC as a promising alternative in the fight against drug-resistant Enterobacteriaceae that can cause foodborne illnesses.
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Affiliation(s)
- Benise Ferreira da Silva
- Center for Bioprospecting and Applied Molecular Experimentation (NUBEM), University Center INTA - UNINTA, Sobral, Ceará, 62050-100, Brazil.
- Graduate Program in Biotechnology, Northeast Network of Biotechnology (RENORBIO), State University of Ceará, Campus Itaperi, Fortaleza, Ceará, 60714-903, Brazil.
| | - Antônio Mateus Gomes Pereira
- Center for Bioprospecting and Applied Molecular Experimentation (NUBEM), University Center INTA - UNINTA, Sobral, Ceará, 62050-100, Brazil
- Graduate Program in Biotechnology, Northeast Network of Biotechnology (RENORBIO), State University of Ceará, Campus Itaperi, Fortaleza, Ceará, 60714-903, Brazil
| | - Paulo Adenes Teixeira Coelho
- Center for Bioprospecting and Applied Molecular Experimentation (NUBEM), University Center INTA - UNINTA, Sobral, Ceará, 62050-100, Brazil
| | | | - Hélcio Silva Dos Santos
- Center of Exact Science and Technology, Vale of Acaraú State University, Sobral, Ceará, 62040-370, Brazil
| | - Victor Alves Carneiro
- Center for Bioprospecting and Applied Molecular Experimentation (NUBEM), University Center INTA - UNINTA, Sobral, Ceará, 62050-100, Brazil
| | - Renata Albuquerque Costa
- Center for Bioprospecting and Applied Molecular Experimentation (NUBEM), University Center INTA - UNINTA, Sobral, Ceará, 62050-100, Brazil.
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Esfandiari Z, Vakili B, Ahangarzadeh S, Esfahani SN, Shoaei P. Impact of Selenium Nanoparticle-Enriched Lactobacilli Feeding Against Escherichia coli O157:H7 Infection of BALB/c Mice. Probiotics Antimicrob Proteins 2024; 16:784-795. [PMID: 37145299 DOI: 10.1007/s12602-023-10081-7] [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] [Accepted: 04/24/2023] [Indexed: 05/06/2023]
Abstract
The effectiveness of selenium nanoparticle (SeNP)-enriched Lactiplantibacillus plantarum and Lactobacillus acidophilus was studied against Shiga toxin-producing Escherichia coli O157:H7 infection on the intestinal fragments and kidney tissue of BALB/c mice. Gut microbiota-targeted bacteria and E. coli O157:H7 counts were obtained by qPCR and PCR. Histology of ileum, colon, and kidney tissues and Stx secretions were analyzed until one-week post-infection. Mice fed with SeNP Lpb. plantarum in the preinfection feeding groups have lower E. coli O157:H7 counts and lower intestinal damage than those in the infected group. The lowest mean fecal probiotic counts were in the L. acidophilus group (7.61 log 10). In pretreatment groups of SeNP L. acidophilus and L. acidophilus, the mean counts of bacteria decreased to 104 CFU/g by day 7. The lowest Stx copy number was demonstrated in SeNP Lpb. plantarum feeding groups' day 7 (P < 0.05). Feeding groups with SeNP Lpb. plantarum had significantly higher members of Lactobacilli in their fecal microbiota than the control group on day 7. It was clarified that Se-enriched Lpb. plantarum and L. acidophilus can be useful as a method of preventing STEC infections. The viability of STEC infection exposure to selenium-enriched Lactobacillus spp. was decreased more than for non-Se-enriched Lactobacillus spp.
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Affiliation(s)
- Zahra Esfandiari
- Department of Food Science and Technology, Nutrition and Food Security Research Center, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Bahareh Vakili
- Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Shahrzah Ahangarzadeh
- Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Salar Nasr Esfahani
- Department of Pathology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Parisa Shoaei
- Nosocomial Infection Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
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De Greve H, Fioravanti A. Single domain antibodies from camelids in the treatment of microbial infections. Front Immunol 2024; 15:1334829. [PMID: 38827746 PMCID: PMC11140111 DOI: 10.3389/fimmu.2024.1334829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 04/29/2024] [Indexed: 06/04/2024] Open
Abstract
Infectious diseases continue to pose significant global health challenges. In addition to the enduring burdens of ailments like malaria and HIV, the emergence of nosocomial outbreaks driven by antibiotic-resistant pathogens underscores the ongoing threats. Furthermore, recent infectious disease crises, exemplified by the Ebola and SARS-CoV-2 outbreaks, have intensified the pursuit of more effective and efficient diagnostic and therapeutic solutions. Among the promising options, antibodies have garnered significant attention due to their favorable structural characteristics and versatile applications. Notably, nanobodies (Nbs), the smallest functional single-domain antibodies of heavy-chain only antibodies produced by camelids, exhibit remarkable capabilities in stable antigen binding. They offer unique advantages such as ease of expression and modification and enhanced stability, as well as improved hydrophilicity compared to conventional antibody fragments (antigen-binding fragments (Fab) or single-chain variable fragments (scFv)) that can aggregate due to their low solubility. Nanobodies directly target antigen epitopes or can be engineered into multivalent Nbs and Nb-fusion proteins, expanding their therapeutic potential. This review is dedicated to charting the progress in Nb research, particularly those derived from camelids, and highlighting their diverse applications in treating infectious diseases, spanning both human and animal contexts.
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Affiliation(s)
- Henri De Greve
- Structural Biology Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Antonella Fioravanti
- Structural Biology Brussels, Vrije Universiteit Brussel, Brussels, Belgium
- VIB-VUB Center for Structural Biology, Vrije Universiteit Brussel, Brussels, Belgium
- Fondazione ParSeC – Parco delle Scienze e della Cultura, Prato, Italy
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Bayrak S, Gergeroglu H. Graphene-based biosensors in milk analysis: A review of recent developments. Food Chem 2024; 440:138257. [PMID: 38154279 DOI: 10.1016/j.foodchem.2023.138257] [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] [Received: 09/27/2023] [Revised: 12/04/2023] [Accepted: 12/20/2023] [Indexed: 12/30/2023]
Abstract
Cow's milk, an excellent source of fat, protein, amino acids, vitamins and minerals, is currently one of the most consumed products worldwide. Contaminations originating from diverse sources, such as biological, chemical, and physical, cause dairy product quality problems and thus dairy-related disorders, raising public health issues. For this reason, legal authorities have deemed it necessary to classify certain contaminations in commercial milk and keep them within particular limitations; therefore, it is urgent to develop next-generation detection systems that can accurately identify just the contaminants of concern to human health. This review presents a detailed investigation of biosensors based on graphene and its derivatives, which offer superior sensitivity and selectivity, by classifying the contaminants under the headings biological, chemical, and physical, in cow's milk according to their sources. We reviewed the current status of graphene-based biosensor (GBs) technology for milk or dairy analysis, highlighting its strengths and weaknesses with the help of comparative studies, tables, and charts, and we put forward a novel perspective to handle future challenges.
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Affiliation(s)
- Sule Bayrak
- Department of Food Engineering, Ege University, 35040 Izmir, Turkey.
| | - Hazal Gergeroglu
- CIC nanoGUNE, Tolosa Hiribidea 76, E-20018 Donostia - San Sebastian, Spain
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Crippa C, De Cesare A, Lucchi A, Parisi A, Manfreda G, Pasquali F. Occurrence and genomic characterization of antimicrobial-resistant and potential pathogenic Escherichia coli from Italian artisanal food productions of animal origin. Ital J Food Saf 2024; 13:12205. [PMID: 38846048 PMCID: PMC11154171 DOI: 10.4081/ijfs.2024.12205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 12/21/2023] [Indexed: 06/09/2024] Open
Abstract
Escherichia coli can harbor a broad repertoire of virulence and antimicrobial resistance (AMR) genes, which can be exchanged across the human gastrointestinal microflora, thus posing a public health risk. In this study, 6 batches of artisanal soft cheese and a 6-month ripened fermented dried sausage were investigated to assess the occurrence, phylogeny, and genomic traits (AMR, virulence, and mobilome) of E. coli. 30 and 3 strains isolated from salami and cheese food chains, respectively, were confirmed as E. coli by whole genome sequencing. The accumulation of single nucleotide polymorphism differences within small clusters of strains encompassing batches or processing stages, combined with high serotype and phylogroup diversity, suggested the occurrence of different contamination phenomena among the facilities. A total of 8 isolates harbored plasmid-mediated resistance genes, including one cheese strain that carried an IncQ1 plasmid carrying AMR determinants to macrolides [mph(B)], sulfonamides (sul1, sul2), trimethoprim (dfrA1), and aminoglycosides [aph(3")-Ib and aph(6)-Id]. A pool of virulence-associated genes in the class of adhesion, colonization, iron uptake, and toxins, putative ColV-positive iron uptake systems sit, iro, or iuc (8 salami and 2 cheese), plasmid-encoded hemolysin operon hlyABCD (one salami), and potential atypical enteropathogenic E. coli (3 salami environment) were reported. Overall, our findings underscore the importance of routine surveillance of E. coli in the artisanal food chain to prevent the dissemination of AMR and virulence.
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Affiliation(s)
- Cecilia Crippa
- Department of Agricultural and Food Sciences, Alma Mater Studiorum University of Bologna, Ozzano dell’Emilia
| | - Alessandra De Cesare
- Department of Veterinary Medical Sciences, Alma Mater Studiorum University of Bologna
| | - Alex Lucchi
- Department of Agricultural and Food Sciences, Alma Mater Studiorum University of Bologna, Ozzano dell’Emilia
| | - Antonio Parisi
- Experimental Zooprophylactic Institute of Puglia and Basilicata, Bari, Italy
| | - Gerardo Manfreda
- Department of Agricultural and Food Sciences, Alma Mater Studiorum University of Bologna, Ozzano dell’Emilia
| | - Frédérique Pasquali
- Department of Agricultural and Food Sciences, Alma Mater Studiorum University of Bologna, Ozzano dell’Emilia
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Wei S, Ding B, Wang G, Luo S, Zhao H, Dan X. Population characteristics of pathogenic Escherichia coli in puerperal metritis of dairy cows in Ningxia region of China: a systemic taxa distribution of virulence factors and drug resistance genes. Front Microbiol 2024; 15:1364373. [PMID: 38694808 PMCID: PMC11061491 DOI: 10.3389/fmicb.2024.1364373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 03/28/2024] [Indexed: 05/04/2024] Open
Abstract
Escherichia coli (E. coli) is closely associated with the occurrence of puerperal metritis in dairy cows. E. coli carries some the virulence and multi-drug resistant genes, which pose a serious threat to the health of postpartum cows. In this study, E. coli was isolated and identified from the uterine contents of postpartum cows with puerperal metritis in the Ningxia region of China, and its phylogenetic subgroups were determined. Meanwhile, virulence and drug resistance genes carried by E. coli and drug sensitivity were detected, and the characteristics of virulence and drug resistance genes distribution in E. coli phylogroups were further analyzed. The results showed that the isolation rate of E. coli in puerperal metritis samples was 95.2%. E. coli was mainly divided into phylogroups B2 and D, followed by groups A and B1, and was more connected to O157:H7, O169:H4, and ECC-1470 type strains. The virulence genes were mainly dominated by ompF (100%), traT (100%), fimH (97%), papC (96%), csgA (95%), Ang43 (93.9%), and ompC (93%), and the resistance genes were dominated by TEM (99%), tetA (71.7%), aac(3)II (66.7%), and cmlA (53.5%). Additionally, it was observed that the virulence and resistance gene phenotypes could be divided into two subgroups, with subgroup B2 and D having the highest distributions. Drug sensitivity tests also revealed that the E. coli was most sensitive to the fluoroquinolones enrofloxacin, followed by macrolides, aminoglycosides, tetracyclines, β-lactams, peptides and sulfonamides, and least sensitive to lincosamides. These results imply that pathogenic E. coli, which induces puerperal metritis of dairy cows in the Ningxia region of China, primarily belongs to the group B2 and D, contains multiple virulence and drug resistance genes, Moreover, E. coli has evolved resistance to several drugs including penicillin, lincomycin, cotrimoxazole, and streptomycin. It will offer specific guidelines reference for the prevention and treatment of puerperal metritis in dairy cows with E. coli infections in the Ningxia region of China.
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Affiliation(s)
| | | | | | | | - Hongxi Zhao
- College of Animal Science and Technology, Ningxia University, Yinchuan, China
| | - Xingang Dan
- College of Animal Science and Technology, Ningxia University, Yinchuan, China
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Park MN, Yeo SG, Park J, Jung Y, Hwang SM. Usefulness and Limitations of PFGE Diagnosis and Nucleotide Sequencing Method in the Analysis of Food Poisoning Pathogens Found in Cooking Employees. Int J Mol Sci 2024; 25:4123. [PMID: 38612932 PMCID: PMC11012705 DOI: 10.3390/ijms25074123] [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] [Received: 02/27/2024] [Revised: 03/26/2024] [Accepted: 04/01/2024] [Indexed: 04/14/2024] Open
Abstract
In the case of a food poisoning outbreak, it is essential to understand the relationship between cooking workers and food poisoning. Many biological diagnostic methods have recently been developed to detect food poisoning pathogens. Among these diagnostic tools, this study presents PCR-based pulsed-field gel electrophoresis and nucleotide sequencing diagnostic analysis results for diagnosing food poisoning outbreaks associated with cooking employees in Chungcheongnam-do, Republic of Korea. Pulsed-field gel electrophoresis was useful in identifying the food poisoning outbreaks caused by Staphylococcus aureus and Enteropathogenic Escherichia coli. In the case of Norovirus, nucleotide sequencing was used to identify the relationship between cooking workers and the food poisoning outbreak. However, it is difficult to determine whether cooking employees directly caused the food poisoning outbreaks based on these molecular biological diagnostic results alone. A system is needed to integrate epidemiological and diagnostic information to identify a direct correlation between the food poisoning outbreak and cooking employees.
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Affiliation(s)
- Mi-Na Park
- Graduate School of Public Health & Welfare, Konyang University, 158 Gwanjeodong-ro, Daejeon 35365, Republic of Korea;
- Chungcheongnam-do Institute of Health and Environment Research, 8 Hongyegongwon-ro, Hongseong 32254, Republic of Korea;
| | - Sang-Gu Yeo
- Korea Disease Control and Prevention Agency, Osong Health Technology Administration Complex, 2 Osongsaengmyeong-ro, Cheongju 28159, Republic of Korea;
| | - Junhyuk Park
- Chungcheongnam-do Institute of Health and Environment Research, 8 Hongyegongwon-ro, Hongseong 32254, Republic of Korea;
| | - Yoomi Jung
- Korea Armed Forces Nursing Academy, 90 Jaun-ro, Daejeon 34059, Republic of Korea;
| | - Se-Min Hwang
- Graduate School of Public Health & Welfare, Konyang University, 158 Gwanjeodong-ro, Daejeon 35365, Republic of Korea;
- Department of Preventive Medicine, Myunggok Medical Faculty, Medical Campus, Konyang University College of Medicine, 158 Gwanjeodong-ro, Daejeon 35365, Republic of Korea
- Myunggok Medical Research Center, Konyang University College of Medicine, 158 Gwanjeodong-ro, Daejeon 35365, Republic of Korea
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Wu X, Nawaz S, Li Y, Zhang H. Environmental health hazards of untreated livestock wastewater: potential risks and future perspectives. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:24745-24767. [PMID: 38499926 DOI: 10.1007/s11356-024-32853-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 03/07/2024] [Indexed: 03/20/2024]
Abstract
Due to technological and economic limitations, waste products such as sewage and manure generated in livestock farming lack comprehensive scientific and centralized treatment. This leads to the exposure of various contaminants in livestock wastewater, posing potential risks to both the ecological environment and human health. This review evaluates the environmental and physical health risks posed by common pollutants in livestock wastewater and outlines future treatment methods to mitigate these risks. Residual wastes in livestock wastewater, including pathogenic bacteria and parasites surviving after epidemics or diseases on various farms, along with antibiotics, organic wastes, and heavy metals from farming activities, contribute to environmental damage and pose risks to human health. As the livestock industry's development increasingly impacts society's future negatively, addressing the issue of residual wastes in livestock wastewater discharge becomes imperative. Ongoing advancements in wastewater treatment systems are consistently updating and refining practices to effectively minimize waste exposure at the discharge source, mitigating risks to environmental ecology and human health. This review not only summarizes the "potential risks of livestock wastewater" but also explores "the prospects for the development of wastewater treatment technologies" based on current reports. It offers valuable insights to support the long-term and healthy development of the livestock industry and contribute to the sustainable development of the ecological environment.
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Affiliation(s)
- Xiaomei Wu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Shah Nawaz
- Department of Anatomy, Faculty of Veterinary Science, University of Agriculture, Faisalabad, Pakistan
| | - Ying Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Hui Zhang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China.
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Ortiz Y, Cerino B, Moreno M, Yañez E, Heredia N, Dávila-Aviña J, Quezada T, Calle A, García S. Diarrheagenic Escherichia coli with Multidrug Resistance in Cattle from Mexico. J Food Prot 2024; 87:100257. [PMID: 38423360 DOI: 10.1016/j.jfp.2024.100257] [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] [Received: 10/06/2023] [Revised: 02/21/2024] [Accepted: 02/23/2024] [Indexed: 03/02/2024]
Abstract
Mexico is an important producer/exporter of cattle and cattle products. In the last decade, an increase in antibiotic resistance in E. coli pathotype strains from livestock environments has been reported. This study aimed to determine the prevalence and antibiotic resistance profiles of E. coli pathotype strains from the feces of beef or dairy cattle reared in the states of Aguascalientes (AG, central) and Nuevo Leon (NL, northeastern) in Mexico. One hundred and ten fecal samples were collected (beef cattle-AG = 30; dairy cattle-AG = 20; beef cattle-NL = 30; dairy cattle-NL = 30). From these, E. coli was isolated using selective/differential media and confirmed on chromogenic media. Multiplex PCR was used to identify diarrheagenic E. coli, and the Kirby-Bauer technique was used to determine the antimicrobial susceptibilities. All the animals harbored E. coli, and pathotypes were found in 34 animals from both, beef and dairy cattle, mainly from Aguascalientes. Of the positive samples, 31 harbored a single E. coli pathotype, whereas three samples harbored two different pathotypes; EHEC was the most prevalent, followed by EPEC, ETEC, and EIEC or the combination of two of them in some samples. Most pathotype strains (19/37) were isolated from beef cattle. Neither the animals' productive purpose (beef or dairy cattle) (r = 0.155) nor the geographic regions (Aguascalientes or Nuevo Leon) (r = -0.066) had a strong positive correlation with the number of E. coli pathotype strains. However, animals reared in Aguascalientes had up to 8.5-fold higher risk of harboring E. coli pathotype strains than those reared in Nuevo Leon. All pathotype strains were resistant to erythromycin, tetracycline, and trimethoprim/sulfamethoxazole, and all dairy cattle pathotype strains were further resistant to five β-lactams (χ2, P = 0.017). The existence of these pathotypes and multidrug-resistant pathogens in the food chain is a risk to public health.
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Affiliation(s)
- Yaraymi Ortiz
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Biológicas, San Nicolás de los Garza, Nuevo León, México 66455, Mexico
| | - Brenda Cerino
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Biológicas, San Nicolás de los Garza, Nuevo León, México 66455, Mexico
| | - Mauricio Moreno
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Biológicas, San Nicolás de los Garza, Nuevo León, México 66455, Mexico
| | - Elizabeth Yañez
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Biológicas, San Nicolás de los Garza, Nuevo León, México 66455, Mexico
| | - Norma Heredia
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Biológicas, San Nicolás de los Garza, Nuevo León, México 66455, Mexico
| | - Jorge Dávila-Aviña
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Biológicas, San Nicolás de los Garza, Nuevo León, México 66455, Mexico
| | - Teódulo Quezada
- Universidad Autónoma de Aguascalientes, Ciudad Universitaria, Aguascalientes, México 20100, Mexico
| | | | - Santos García
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Biológicas, San Nicolás de los Garza, Nuevo León, México 66455, Mexico.
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11
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Campos IC, Saraiva MMS, Benevides VP, Ferreira TS, Ferreira VA, Almeida AM, Berchieri Junior A. Low temperatures do not impair the bacterial plasmid conjugation on poultry meat. Braz J Microbiol 2024; 55:711-717. [PMID: 38191970 PMCID: PMC10920582 DOI: 10.1007/s42770-023-01230-9] [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: 07/25/2023] [Accepted: 12/21/2023] [Indexed: 01/10/2024] Open
Abstract
Conjugation plays an important role in the dissemination of antimicrobial resistance genes. Besides, this process is influenced by many biotic and abiotic factors, especially temperature. This study aimed to investigate the effect of different conditions of temperature and storage (time and recipient) of poultry meat, intended for the final consumer, affect the plasmid transfer between pathogenic (harboring the IncB/O-plasmid) and non-pathogenic Escherichia coli organisms. The determination of minimal inhibitory concentrations (MIC) of ampicillin, cephalexin, cefotaxime, and ceftazidime was performed before and after the conjugation assay. It was possible to recover transconjugants in the poultry meat at all the treatments, also these bacteria showed a significant increase of the MIC for all antimicrobials tested. Our results show that a non-pathogenic E. coli can acquire an IncB/O-plasmid through a conjugation process in poultry meat, even stored at low temperatures. Once acquired, the resistance genes endanger public health especially when it is about critically and highly important antimicrobials to human medicine.
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Affiliation(s)
- Isabella C Campos
- Department of Pathology, Reproduction, and One Health from the School of Agriculture and Veterinarian Sciences, Sao Paulo State University (FCAV-Unesp), Jaboticabal, SP, 14884-900, Brazil
| | - Mauro M S Saraiva
- Department of Pathology, Reproduction, and One Health from the School of Agriculture and Veterinarian Sciences, Sao Paulo State University (FCAV-Unesp), Jaboticabal, SP, 14884-900, Brazil.
| | - Valdinete P Benevides
- Department of Pathology, Reproduction, and One Health from the School of Agriculture and Veterinarian Sciences, Sao Paulo State University (FCAV-Unesp), Jaboticabal, SP, 14884-900, Brazil
| | - Taísa S Ferreira
- Department of Pathology, Reproduction, and One Health from the School of Agriculture and Veterinarian Sciences, Sao Paulo State University (FCAV-Unesp), Jaboticabal, SP, 14884-900, Brazil
| | - Viviane A Ferreira
- Department of Pathology, Reproduction, and One Health from the School of Agriculture and Veterinarian Sciences, Sao Paulo State University (FCAV-Unesp), Jaboticabal, SP, 14884-900, Brazil
| | - Adriana M Almeida
- Department of Pathology, Reproduction, and One Health from the School of Agriculture and Veterinarian Sciences, Sao Paulo State University (FCAV-Unesp), Jaboticabal, SP, 14884-900, Brazil
| | - Angelo Berchieri Junior
- Department of Pathology, Reproduction, and One Health from the School of Agriculture and Veterinarian Sciences, Sao Paulo State University (FCAV-Unesp), Jaboticabal, SP, 14884-900, Brazil.
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12
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Tran TD, Lee SI, Hnasko R, McGarvey JA. Biocontrol of Escherichia coli O157:H7 by Enterobacter asburiae AEB30 on intact cantaloupe melons. Microb Biotechnol 2024; 17:e14437. [PMID: 38465735 PMCID: PMC10926056 DOI: 10.1111/1751-7915.14437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 02/21/2024] [Indexed: 03/12/2024] Open
Abstract
Escherichia coli O157:H7 causes >73,000 foodborne illnesses in the United States annually, many of which have been associated with fresh ready-to-eat produce including cantaloupe melons. In this study, we created a produce-associated bacterial (PAB) library containing >7500 isolates and screened them for the ability to inhibit the growth of E. coli O157:H7 using an in vitro fluorescence-based growth assay. One isolate, identified by 16S and whole-genome sequence analysis as Enterobacter asburiae, was able to inhibit the growth of E. coli by ~30-fold in vitro and produced zones of inhibition between 13 and 21 mm against 12 E. coli outbreak strains in an agar spot assay. We demonstrated that E. asburiae AEB30 was able to grow, persist and inhibit the growth of E. coli on cantaloupe melons under simulated pre- and post-harvest conditions. Analysis of the E. asburiae AEB30 genome revealed an operon encoding a contact-dependent growth inhibition (CDI) system that when mutated resulted in the loss of E. coli growth inhibition. These data suggest that E. asburiae AEB30 is a potential biocontrol agent to prevent E. coli contamination of cantaloupe melons in both pre- and post-harvest environments and that its mode of action is via a CDI system.
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Affiliation(s)
- Thao D. Tran
- USDA, ARS, Foodborne Toxin Detection and Prevention Research UnitAlbanyCaliforniaUSA
| | - Sang In Lee
- USDA, ARS, Foodborne Toxin Detection and Prevention Research UnitAlbanyCaliforniaUSA
| | - Robert Hnasko
- USDA, ARS, Produce Safety and Microbiology Research UnitAlbanyCaliforniaUSA
| | - Jeffery A. McGarvey
- USDA, ARS, Foodborne Toxin Detection and Prevention Research UnitAlbanyCaliforniaUSA
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13
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Brás A, Braz M, Martinho I, Duarte J, Pereira C, Almeida A. Effect of Bacteriophages against Biofilms of Escherichia coli on Food Processing Surfaces. Microorganisms 2024; 12:366. [PMID: 38399770 PMCID: PMC10892694 DOI: 10.3390/microorganisms12020366] [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: 12/31/2023] [Revised: 02/04/2024] [Accepted: 02/07/2024] [Indexed: 02/25/2024] Open
Abstract
The bacterial adhesion to food processing surfaces is a threat to human health, as these surfaces can serve as reservoirs of pathogenic bacteria. Escherichia coli is an easily biofilm-forming bacterium involved in surface contamination that can lead to the cross-contamination of food. Despite the application of disinfection protocols, contamination through food processing surfaces continues to occur. Hence, new, effective, and sustainable alternative approaches are needed. Bacteriophages (or simply phages), viruses that only infect bacteria, have proven to be effective in reducing biofilms. Here, phage phT4A was applied to prevent and reduce E. coli biofilm on plastic and stainless steel surfaces at 25 °C. The biofilm formation capacity of phage-resistant and sensitive bacteria, after treatment, was also evaluated. The inactivation effectiveness of phage phT4A was surface-dependent, showing higher inactivation on plastic surfaces. Maximum reductions in E. coli biofilm of 5.5 and 4.0 log colony-forming units (CFU)/cm2 after 6 h of incubation on plastic and stainless steel, respectively, were observed. In the prevention assays, phage prevented biofilm formation in 3.2 log CFU/cm2 after 12 h. Although the emergence of phage-resistant bacteria has been observed during phage treatment, phage-resistant bacteria had a lower biofilm formation capacity compared to phage-sensitive bacteria. Overall, the results suggest that phages may have applicability as surface disinfectants against pathogenic bacteria, but further studies are needed to validate these findings using phT4A under different environmental conditions and on different materials.
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Affiliation(s)
| | | | | | | | - Carla Pereira
- Department of Biology, CESAM, Campus Universitário de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal; (A.B.); (M.B.); (I.M.); (J.D.)
| | - Adelaide Almeida
- Department of Biology, CESAM, Campus Universitário de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal; (A.B.); (M.B.); (I.M.); (J.D.)
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14
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Pan F, Altenried S, Scheibler S, Ren Q. A rapid and specific antimicrobial resistance detection of Escherichia coli via magnetic nanoclusters. NANOSCALE 2024; 16:3011-3023. [PMID: 38230693 DOI: 10.1039/d3nr05463b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
Drinking water contamination, often caused by bacteria, leads to substantial numbers of diarrhea deaths each year, especially in developing regions. Human urine as a source of fertilizer, when handled improperly, can contaminate drinking water. One dominant bacterial pathogen in urine is Escherichia coli, which can trigger serious waterborne/foodborne diseases. Considering the prevalence of the multi-drug resistant extended-spectrum beta-lactamase (ESBL) producing E. coli, a rapid detection method for resistance is highly desired. In this work, we developed a method for quick identification of E. coli and, at the same time, capable of removal of general bacterial pathogens from human urine. A specific peptide GRHIFWRRGGGHKVAPR, reported to have a strong affinity to E. coli, was utilized to modify the PEGylated magnetic nanoclusters, resulting in a specific capture and enrichment of E. coli from the bacteria-spiked artificial urine. Subsequently, a novel luminescent probe was applied to rapidly identify the antimicrobial resistance of the collected E. coli within 30 min. These functionalized magnetic nanoclusters demonstrate a promising prospect to rapidly detect ESBL E. coli in urine and contribute to reducing drinking water contamination.
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Affiliation(s)
- Fei Pan
- Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland.
| | - Stefanie Altenried
- Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland.
| | - Subas Scheibler
- Nanoparticle Systems Engineering Laboratory, Institute of Process Engineering, Department of Mechanical and Process Engineering, ETH Zürich, Sonneggstrasse 3, 8092 Zürich, Switzerland
- Laboratory for Particles Biology Interactions, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
| | - Qun Ren
- Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland.
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15
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Salazar F, Pizarro-Oteíza S, Molinett S, Labbé M. Effect of Optimized UV-LED Technology on Modeling, Inactivation Kinetics and Microbiological Safety in Tomato Juice. Foods 2024; 13:430. [PMID: 38338565 PMCID: PMC10855617 DOI: 10.3390/foods13030430] [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: 11/21/2023] [Revised: 12/26/2023] [Accepted: 01/20/2024] [Indexed: 02/12/2024] Open
Abstract
This research analyzed, optimized and modeled the inactivation kinetics of pathogenic bacteria (PB1: Escherichia coli O157:H7 and PB2: Listeria monocytogenes) and determined the microbiological safety of tomato juice processed by UV-LED irradiation and heat treatment. UV-LED processing conditions were optimized using response surface methodology (RSM) and were 90% power intensity, 21 min and 273-275 nm (251 mJ/cm2) with R2 > 0.96. Using the optimal conditions, levels of PB1 and PB2 resulted a log reduction of 2.89 and 2.74 CFU/mL, respectively. The Weibull model was efficient for estimating the log inactivation of PB1 and PB2 (CFU/mL). The kinetic parameter δ showed that 465.2 mJ/cm2 is needed to achieve a 90% log (CFU/mL) reduction in PB1 and 511.3 mJ/cm2 for PB2. With respect to the scale parameter p > 1, there is a descending concave curve. UV-LED-treated tomato juice had an 11.4% lower Listeria monocytogenes count than heat-treated juice on day 28 (4.0 ± 0.82 °C). Therefore, UV-LED technology could be used to inactivate Escherichia coli O157:H7 and Listeria monocytogenes, preserving tomato juice for microbiological safety, but studies are required to further improve the inactivation of these pathogens and analyze other fruit and vegetable juices.
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Affiliation(s)
- Fernando Salazar
- Laboratorio de Fermentaciones Industriales, Escuela de Alimentos, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Av. Waddington 716, Valparaíso 2340000, Chile
| | - Sebastián Pizarro-Oteíza
- Laboratorio de Fermentaciones Industriales, Escuela de Alimentos, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Av. Waddington 716, Valparaíso 2340000, Chile
| | - Sebastián Molinett
- Laboratorio de Bionanotecnología, Instituto de Investigaciones Agropecuarias, INIA CRI La Cruz, Chorrillos 86, La Cruz 2280454, Chile
| | - Mariela Labbé
- Laboratorio de Fermentaciones Industriales, Escuela de Alimentos, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Av. Waddington 716, Valparaíso 2340000, Chile
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16
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Atasoy M, Álvarez Ordóñez A, Cenian A, Djukić-Vuković A, Lund PA, Ozogul F, Trček J, Ziv C, De Biase D. Exploitation of microbial activities at low pH to enhance planetary health. FEMS Microbiol Rev 2024; 48:fuad062. [PMID: 37985709 PMCID: PMC10963064 DOI: 10.1093/femsre/fuad062] [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: 08/11/2023] [Revised: 10/31/2023] [Accepted: 11/17/2023] [Indexed: 11/22/2023] Open
Abstract
Awareness is growing that human health cannot be considered in isolation but is inextricably woven with the health of the environment in which we live. It is, however, under-recognized that the sustainability of human activities strongly relies on preserving the equilibrium of the microbial communities living in/on/around us. Microbial metabolic activities are instrumental for production, functionalization, processing, and preservation of food. For circular economy, microbial metabolism would be exploited to produce building blocks for the chemical industry, to achieve effective crop protection, agri-food waste revalorization, or biofuel production, as well as in bioremediation and bioaugmentation of contaminated areas. Low pH is undoubtedly a key physical-chemical parameter that needs to be considered for exploiting the powerful microbial metabolic arsenal. Deviation from optimal pH conditions has profound effects on shaping the microbial communities responsible for carrying out essential processes. Furthermore, novel strategies to combat contaminations and infections by pathogens rely on microbial-derived acidic molecules that suppress/inhibit their growth. Herein, we present the state-of-the-art of the knowledge on the impact of acidic pH in many applied areas and how this knowledge can guide us to use the immense arsenal of microbial metabolic activities for their more impactful exploitation in a Planetary Health perspective.
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Affiliation(s)
- Merve Atasoy
- UNLOCK, Wageningen University & Research and Technical University Delft, Droevendaalsesteeg 4, 6708 PB,Wageningen, the Netherlands
| | - Avelino Álvarez Ordóñez
- Department of Food Hygiene and Technology and Institute of Food Science and Technology, Universidad de León, Campus de Vegazana s/n, 24071 León, Spain
| | - Adam Cenian
- Institute of Fluid Flow Machinery, Polish Academy of Sciences, Department of Physical Aspects of Ecoenergy, 14 Fiszera St., 80-231 Gdańsk, Poland
| | - Aleksandra Djukić-Vuković
- Department of Biochemical Engineering and Biotechnology, Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11120 Belgrade, Serbia
| | - Peter A Lund
- Institute of Microbiology and Infection,School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Fatih Ozogul
- Department of Seafood Processing and Technology, Faculty of Fisheries, Cukurova University, Balcali, 01330, Adana, Turkey
- Biotechnology Research and Application Center, Cukurova University, Balcali, 01330 Adana, Turkey
| | - Janja Trček
- Department of Biology, Faculty of Natural Sciences and Mathematics, University of Maribor, Koroška cesta 160, 2000 Maribor, Slovenia
| | - Carmit Ziv
- Department of Postharvest Science, Agricultural Research Organization – Volcani Center, 68 HaMaccabim Road , P.O.B 15159 Rishon LeZion 7505101, Israel
| | - Daniela De Biase
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Corso della Repubblica 79, 04100 Latina, Italy
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17
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Ahmad S, Ahmad S, Xu Q, Khan I, Cao X, Yang R, Yan H. Green synthesis of gold and silver nanoparticles using crude extract of Aconitum violaceum and evaluation of their antibacterial, antioxidant and photocatalytic activities. Front Bioeng Biotechnol 2024; 11:1320739. [PMID: 38268939 PMCID: PMC10807692 DOI: 10.3389/fbioe.2023.1320739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 12/22/2023] [Indexed: 01/26/2024] Open
Abstract
Green synthesis of metal nanoparticles (NPs) has received extensive attention over other conventional approaches due to their non-toxic nature and more biocompatibility. Herein we report gold and silver NPs (AuNPs@AV and AgNPs@AV) prepared by employing a green approach using crude extract of Aconitum violaceum Jacquem. ex Stapf. The synthesized NPs were characterized using Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM), Energy Dispersive X-ray (EDX), X-ray Diffraction (XRD), UV/Visible spectroscopy, Fourier Transform Infrared (FTIR), X-ray Photoelectron Spectroscopy (XPS), and Zeta Potential. Morphological analysis showed spherical and triangular shapes of the NPs with average size of <100 nm. The AuNPs@AV and AgNPs@AV exhibited effective antibacterial activities, with minimum inhibitory concentrations (MICs) of 95 and 70 μg/mL against Lactobacillus acidophilus (L. acidophilus) and 90 and 65 μg/mL against Escherichia coli (E. coli), respectively. Strong antioxidant effect of AuNPs@AV and AgNPs@AV were reported against DPPH radical and PTIO within range of IC50 values; 161-80 μg/ml as compared to the standard (23-11 μg/mL) respectively. Moreover, the AuNPs@AV and AgNPs@AV showed efficient photocatalytic activity and degraded 89.88% and 93.7% methylene blue (MB) dye under UV light, respectively.
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Affiliation(s)
- Shahbaz Ahmad
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, China
| | - Shujaat Ahmad
- Department of Pharmacy, Shaheed Benazir Bhutto University Sheringal, Dir Upper, Khyber Pakhtunkhwa, Pakistan
| | - Qianqian Xu
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, China
| | - Idrees Khan
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi’an, China
| | - Xiaoyu Cao
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, China
| | - Ruimin Yang
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, China
| | - Hai Yan
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, China
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18
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Chen X, Chen T, Liu J, Wei Y, Zhou W. Physicochemical stability and antibacterial mechanism of theabrownins prepared from tea polyphenols catalyzed by polyphenol oxidase and peroxidase. Food Sci Biotechnol 2024; 33:47-61. [PMID: 38186623 PMCID: PMC10766583 DOI: 10.1007/s10068-023-01341-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 05/10/2023] [Accepted: 05/12/2023] [Indexed: 01/09/2024] Open
Abstract
Tea polyphenols were used as substrates and oxidized successively by polyphenol oxidase and peroxidase to prepare theabrownins (TBs-dE). The conversion rate of catechins to TBs-dE was 90.91%. The ultraviolet and infrared spectroscopic properties and zeta potential of TBs-dE were characterized. TBs-dE is more stable at pH 5.0-7.0, about 25 °C or in dark environment. Ultraviolet light and sunlight can deepen its color due to the further oxidative polymerization. Mg2+, Cu2+, and Al3+ had a significant effect on the stability of TBs-dE. The inhibitory rates of TBs-dE (1 mg/mL) against Staphylococcus aureus and Escherichia coli DH5α were 51.45% and 45.05%, respectively. After TBs-dE treatment, the cell morphology of both bacteria changed, some cell walls were blurred, and the cytoplasmic content leaked. The research results can provide theoretical support for the industrialization of theabrownins.
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Affiliation(s)
- Xiaoqiang Chen
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, 430068 China
| | - Tingting Chen
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, 430068 China
| | - Jiayan Liu
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, 430068 China
| | - Yan’an Wei
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, 430068 China
| | - Weilong Zhou
- National Center for Tea Quality Inspection and Testing, Hangzhou Tea Research Institute, All China Federation of Supply and Marketing Cooperatives, Hangzhou, 310016 China
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19
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Mena-Prado I, Reinosa JJ, Fernández-García M, Fernández JF, Muñoz-Bonilla A, Del Campo A. Evaluation of poly(lactic acid) and ECOVIO based biocomposites loaded with antimicrobial sodium phosphate microparticles. Int J Biol Macromol 2023; 253:127488. [PMID: 37852395 DOI: 10.1016/j.ijbiomac.2023.127488] [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] [Received: 07/06/2023] [Revised: 09/15/2023] [Accepted: 10/15/2023] [Indexed: 10/20/2023]
Abstract
Herein, biobased composite materials based on poly(lactic acid) (PLA) and poly(butylene adipate-co-terephthalate) (PBAT) as matrices, sodium hexametaphosphate microparticles (E452i, food additive microparticles, 1 and 5 wt%) as antimicrobial filler and acetyl tributyl citrate (ATBC, 15 wt%) as plasticizer, were developed for potential food packaging applications. Two set of composite films were obtained by melt-extrusion and compression molding, i) based on PLA matrix and ii) based on Ecovio® matrix (PLA/PBAT blend). Thermal characterization by thermogravimetric analysis and differential scanning calorimetry demonstrated that the incorporation of E452i particles improved thermal stability and crystallinity, while the mechanical test showed an increase in the Young's modulus. E452i particles also provide antimicrobial properties to the films against food-borne bacteria Listeria innocua and Staphylococcus aureus, with bacterial reduction percentages higher than 50 % in films with 5 wt% of particles. The films also preserved their disintegradability as demonstrated by an exhaustive characterization of the films under industrial composting conditions. Therefore, the results obtained in this work reveal the potential of these biocomposites as appropriated materials for antibacterial and compostable food packaging films.
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Affiliation(s)
- I Mena-Prado
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain
| | - J J Reinosa
- Encapsulae S.L., C/ Lituania, 10, nave 2, 12006 Castellón, Spain
| | - M Fernández-García
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain
| | - J F Fernández
- Instituto de Cerámica y Vidrio (ICV-CSIC), C/ Kelsen 5, 28049 Madrid, Spain
| | - A Muñoz-Bonilla
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain.
| | - A Del Campo
- Instituto de Cerámica y Vidrio (ICV-CSIC), C/ Kelsen 5, 28049 Madrid, Spain.
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20
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Chang S, Guo Q, Du G, Tang J, Liu B, Shao K, Zhao X. Probiotic-loaded edible films made from proteins, polysaccharides, and prebiotics as a quality factor for minimally processed fruits and vegetables: A review. Int J Biol Macromol 2023; 253:127226. [PMID: 37802455 DOI: 10.1016/j.ijbiomac.2023.127226] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 09/24/2023] [Accepted: 10/01/2023] [Indexed: 10/10/2023]
Abstract
Minimally processed fruits and vegetables (MPFVs) are gaining popularity in households because of their freshness, convenience, and rapid consumption, all of which align with today's busy lifestyles. However, their exposure of large surface areas during peeling and slicing can result in contamination by foodborne pathogens and spoilage bacteria, posing potential food safety concerns. In addition, enzymatic browning of MPFVs can significantly reduce their consumer appeal. Therefore, it is necessary to adopt certain methods to protect MPFVs. Recent studies have shown that utilizing biopolymer-based edible films containing probiotics is a promising approach to preserving MPFVs. These active food packaging films exhibit barrier function, antioxidant function, and antimicrobial function while protecting the viability of probiotics, which is essential to maintain the nutritional value and quality of MPFVs. This paper reviews microbial contamination in MPFVs and the preparation of probiotic-loaded edible films with common polysaccharides (alginate, gellan gum, and starch), proteins (zein, gelatin, and whey protein isolate), prebiotics (oligofructose, inulin, and fructooligosaccharides). It also explores the potential application of probiotic-loaded biopolymer films/coatings on MPFVs, and finally examines the practical application requirements from a consumer perspective.
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Affiliation(s)
- Shuaidan Chang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China; School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, China
| | - Qi Guo
- Henan Agr Univ, Coll Food Sci & Technol, Zhengzhou 450002, China
| | - Gengan Du
- Henan Univ Technol, Sch Food & Strateg Reserv, Zhengzhou 450001, China
| | - Jiayao Tang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China
| | - Bin Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China
| | - Kan Shao
- Department of Environmental and Occupational Health, School of Public Health - Bloomington, Indiana University, Bloomington, Indiana 47405, United States
| | - Xubo Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture, Yangling 712100, China.
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21
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Calvigioni M, Mazzantini D, Celandroni F, Ghelardi E. Animal and In Vitro Models as Powerful Tools to Decipher the Effects of Enteric Pathogens on the Human Gut Microbiota. Microorganisms 2023; 12:67. [PMID: 38257894 PMCID: PMC10818369 DOI: 10.3390/microorganisms12010067] [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: 11/14/2023] [Revised: 12/21/2023] [Accepted: 12/26/2023] [Indexed: 01/24/2024] Open
Abstract
Examining the interplay between intestinal pathogens and the gut microbiota is crucial to fully comprehend the pathogenic role of enteropathogens and their broader impact on human health. Valid alternatives to human studies have been introduced in laboratory practice to evaluate the effects of infectious agents on the gut microbiota, thereby exploring their translational implications in intestinal functionality and overall health. Different animal species are currently used as valuable models for intestinal infections. In addition, considering the recent advances in bioengineering, futuristic in vitro models resembling the intestinal environment are also available for this purpose. In this review, the impact of the main human enteropathogens (i.e., Clostridioides difficile, Campylobacter jejuni, diarrheagenic Escherichia coli, non-typhoidal Salmonella enterica, Shigella flexneri and Shigella sonnei, Vibrio cholerae, and Bacillus cereus) on intestinal microbial communities is summarized, with specific emphasis on results derived from investigations employing animal and in vitro models.
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Affiliation(s)
| | | | | | - Emilia Ghelardi
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56127 Pisa, Italy; (M.C.)
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22
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Zhuo W, Zhao Y, Zhao X, Yao Z, Qiu X, Huang Y, Li H, Shen J, Zhu Z, Li T, Li S, Huang Q, Zhou R. Enteropathogenic Escherichia coli is a predominant pathotype in healthy pigs in Hubei Province of China. J Appl Microbiol 2023; 134:lxad260. [PMID: 37962953 DOI: 10.1093/jambio/lxad260] [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: 07/26/2023] [Revised: 10/29/2023] [Accepted: 11/13/2023] [Indexed: 11/16/2023]
Abstract
AIM This study aims to investigate the prevalence of intestinal pathogenic Escherichia coli (InPEC) in healthy pig-related samples and evaluate the potential virulence of the InPEC strains. METHODS AND RESULTS A multiplex PCR method was established to identify different pathotypes of InPEC. A total of 800 rectal swab samples and 296 pork samples were collected from pig farms and slaughterhouses in Hubei province, China. From these samples, a total of 21 InPEC strains were isolated, including 19 enteropathogenic E. coli (EPEC) and 2 shiga toxin-producing E. coli (STEC) strains. By whole-genome sequencing and in silico typing, it was shown that the sequence types and serotypes were diverse among the strains. Antimicrobial susceptibility assays showed that 90.48% of the strains were multi-drug resistant. The virulence of the strains was first evaluated using the Galleria mellonella larvae model, which showed that most of the strains possessed medium to high pathogenicity. A moderately virulent EPEC isolate was further selected to characterize its pathogenicity using a mouse model, which suggested that it could cause significant diarrhea. Bioluminescence imaging (BLI) was then used to investigate the colonization dynamics of this EPEC isolate, which showed that the EPEC strain could colonize the mouse cecum for up to 5 days.
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Affiliation(s)
- Wenxiao Zhuo
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Yang Zhao
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Xianglin Zhao
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Zhiming Yao
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Xiuxiu Qiu
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Yaxue Huang
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Huaixia Li
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Jing Shen
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Zhihao Zhu
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Tingting Li
- Hubei Animal Disease Prevention and Control Center, Wuhan 430070, China
| | - Shaowen Li
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Qi Huang
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
- Cooperative Innovation Center of Sustainable Pig Production, College of Veterinary Medicine, Wuhan 430070, China
- International Research Center for Animal Disease (Ministry of Science & Technology of China), College of Veterinary Medicine, Wuhan 430070, China
| | - Rui Zhou
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
- Cooperative Innovation Center of Sustainable Pig Production, College of Veterinary Medicine, Wuhan 430070, China
- International Research Center for Animal Disease (Ministry of Science & Technology of China), College of Veterinary Medicine, Wuhan 430070, China
- The HZAU-HVSEN Research Institute, Wuhan 430042, China
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23
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Mangieri N, Vieira RP, Picozzi C. Influence of cheese making process on STEC bacteriophage release. Front Microbiol 2023; 14:1270346. [PMID: 37840705 PMCID: PMC10569213 DOI: 10.3389/fmicb.2023.1270346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 09/14/2023] [Indexed: 10/17/2023] Open
Abstract
Shiga toxin-producing Escherichia coli (STEC) are foodborne pathogens implicated in diseases including hemolytic uremic syndrome (HUS) and hemorrhagic colitis (HC). The main virulence factor are Shiga toxins; their production and secretion are by-products of the expression of late genes of prophages upon sub-lethal environmental stimuli exposure. Hence, the lysogenic prophage after a stress switch to lytic cycle spreading the Stx phages. In the present study, 35 STEC were screened for the presence and the ability to release Shiga toxin-encoding bacteriophages. Three bacterial strains showed signals of prophage presence both in plate and in PCR. Subsequently, these bacterial strains were subjected to stressors that simulate cheese manufacturing conditions: NaCl (1, 1.5 and 2% w/v), lactic acid (0.5, 1.5 and 3% v/v), anaerobic growth, pasteurization (72°C for 15 s), UV irradiation. The ability to release prophage was evaluated by Real Time qPCR. Induction of the prophages showed that the addition of NaCl at 1.5 and 2% significantly increased viral release compared to control. Conversely, the addition of lactic acid had a significant repressive effect. The other applied stressors had no significant effect in phage release according to the experimental conditions adopted.
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Affiliation(s)
- Nicola Mangieri
- DeFENS, Department of Food, Environmental and Nutritional Sciences, Università Degli Studi di Milano, Milano, Italy
| | - Rui P. Vieira
- DeFENS, Department of Food, Environmental and Nutritional Sciences, Università Degli Studi di Milano, Milano, Italy
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - Claudia Picozzi
- DeFENS, Department of Food, Environmental and Nutritional Sciences, Università Degli Studi di Milano, Milano, Italy
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24
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Pereira AP, Antunes P, Bierge P, Willems RJL, Corander J, Coque TM, Pich OQ, Peixe L, Freitas AR, Novais C. Unraveling Enterococcus susceptibility to quaternary ammonium compounds: genes, phenotypes, and the impact of environmental conditions. Microbiol Spectr 2023; 11:e0232423. [PMID: 37737589 PMCID: PMC10581157 DOI: 10.1128/spectrum.02324-23] [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: 06/04/2023] [Accepted: 07/24/2023] [Indexed: 09/23/2023] Open
Abstract
Quaternary ammonium compounds (QACs) have been extensively used in the community, healthcare facilities, and food chain, in concentrations between 20 and 30,000 mg/L. Enterococcus faecalis and Enterococcus faecium are ubiquitous in these settings and are recognized as nosocomial pathogens worldwide, but QACs' activity against strains from diverse epidemiological and genomic backgrounds remained largely unexplored. We evaluated the role of Enterococcus isolates from different sources, years, and clonal lineages as hosts of QACs tolerance genes and their susceptibility to QACs in optimal, single-stress and cross-stress growth conditions. Only 1% of the Enterococcus isolates included in this study and 0.5% of publicly available Enterococcus genomes carried qacA/B, qacC, qacG, qacJ, qacZ, qrg, bcrABC or oqxAB genes, shared with >60 species of Bacillota, Pseudomonadota, Actinomycetota, or Spirochaetota. These genes were generally found within close proximity of antibiotics and/or metals resistance genes. The minimum inhibitory concentrations (MIC) and minimum bactericidal concentrations (MBC) of benzalkonium chloride (BC) and didecyldimethylammonium chloride ranged between 0.5 and 4 mg/L (microdilution: 37°C/20 h/pH = 7/aerobiosis) for 210 E. faecalis and E. faecium isolates (two isolates carrying qacZ). Modified growth conditions (e.g., 22°C/pH = 5) increased MICBC/MBCBC (maximum of eightfold and MBCBC = 16 mg/L) and changed bacterial growth kinetics under BC toward later stationary phases in both species, including in isolates without QACs tolerance genes. In conclusion, Enterococcus are susceptible to in-use QACs concentrations and rarely carry QACs tolerance genes. However, their potential gene exchange with different microbiota, the decreased susceptibility to QACs under specific environmental conditions, and the presence of subinhibitory QACs concentrations in various settings may contribute to the selection of particular strains and, thus, require a One Health strategy to maintain QACs effectiveness. IMPORTANCE Despite the increasing use of quaternary ammonium compounds (QACs), the susceptibility of pathogens to these antimicrobials remains largely unknown. Enterococcus faecium and Enterococcus faecalis are susceptible to in-use QACs concentrations and are not main hosts of QACs tolerance genes but participate in gene transfer pathways with diverse bacterial taxa exposed to these biocides. Moreover, QACs tolerance genes often share the same genetic contexts with antibiotics and/or metals resistance genes, raising concerns about potential co-selection events. E. faecium and E. faecalis showed increased tolerance to benzalkonium chloride under specific environmental conditions (22°C, pH = 5), suggesting that strains might be selected in settings where they occur along with subinhibitory QACs concentrations. Transcriptomic studies investigating the cellular mechanisms of Enterococcus adaptation to QACs tolerance, along with longitudinal metadata analysis of tolerant populations dynamics under the influence of diverse environmental factors, are essential and should be prioritized within a One Health strategy.
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Affiliation(s)
- Ana P. Pereira
- UCIBIO-Applied Molecular Biosciences Unit, Laboratory of Microbiology, Faculty of Pharmacy, University of Porto, Porto, Portugal
- Associate Laboratory i4HB - Institute for Health and Bioeconomy, Laboratory of Microbiology, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Patrícia Antunes
- UCIBIO-Applied Molecular Biosciences Unit, Laboratory of Microbiology, Faculty of Pharmacy, University of Porto, Porto, Portugal
- Associate Laboratory i4HB - Institute for Health and Bioeconomy, Laboratory of Microbiology, Faculty of Pharmacy, University of Porto, Porto, Portugal
- Faculty of Nutrition and Food Sciences, University of Porto, Porto, Portugal
| | - Paula Bierge
- Laboratori de Recerca en Microbiologia i Malalties Infeccioses, Parc Taulí Hospital Universitari, Institut d’Investigació i Innovació Parc Taulí (I3PT-CERCA), Universitat Autònoma de Barcelona, Sabadell, Spain
- Institut de Biotecnologia i Biomedicina, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Rob J. L. Willems
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Jukka Corander
- Department of Biostatistics, Faculty of Medicine, University of Oslo, Oslo, Norway
- Parasites and Microbes, Wellcome Sanger Institute, Cambridge, UK
- Department of Mathematics and Statistics, Helsinki Institute of Information Technology, University of Helsinki, Helsinki, Finland
| | - Teresa M. Coque
- Servicio de Microbiologia, Hospital Universitario Ramón y Cajal, Madrid, Spain
- Centro de Investigación Biomédica en Enfermedades Infecciosas (CIBERINFEC), Madrid, Spain
| | - Oscar Q. Pich
- Laboratori de Recerca en Microbiologia i Malalties Infeccioses, Parc Taulí Hospital Universitari, Institut d’Investigació i Innovació Parc Taulí (I3PT-CERCA), Universitat Autònoma de Barcelona, Sabadell, Spain
- Institut de Biotecnologia i Biomedicina, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Luisa Peixe
- UCIBIO-Applied Molecular Biosciences Unit, Laboratory of Microbiology, Faculty of Pharmacy, University of Porto, Porto, Portugal
- Associate Laboratory i4HB - Institute for Health and Bioeconomy, Laboratory of Microbiology, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Ana R. Freitas
- UCIBIO-Applied Molecular Biosciences Unit, Laboratory of Microbiology, Faculty of Pharmacy, University of Porto, Porto, Portugal
- Associate Laboratory i4HB - Institute for Health and Bioeconomy, Laboratory of Microbiology, Faculty of Pharmacy, University of Porto, Porto, Portugal
- 1H-TOXRUN, One Health Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL., Gandra, Portugal
| | - Carla Novais
- UCIBIO-Applied Molecular Biosciences Unit, Laboratory of Microbiology, Faculty of Pharmacy, University of Porto, Porto, Portugal
- Associate Laboratory i4HB - Institute for Health and Bioeconomy, Laboratory of Microbiology, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - from the ESCMID Study Group on Food- and Water-borne Infections (EFWISG)
- UCIBIO-Applied Molecular Biosciences Unit, Laboratory of Microbiology, Faculty of Pharmacy, University of Porto, Porto, Portugal
- Associate Laboratory i4HB - Institute for Health and Bioeconomy, Laboratory of Microbiology, Faculty of Pharmacy, University of Porto, Porto, Portugal
- Faculty of Nutrition and Food Sciences, University of Porto, Porto, Portugal
- Laboratori de Recerca en Microbiologia i Malalties Infeccioses, Parc Taulí Hospital Universitari, Institut d’Investigació i Innovació Parc Taulí (I3PT-CERCA), Universitat Autònoma de Barcelona, Sabadell, Spain
- Institut de Biotecnologia i Biomedicina, Universitat Autònoma de Barcelona, Bellaterra, Spain
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, the Netherlands
- Department of Biostatistics, Faculty of Medicine, University of Oslo, Oslo, Norway
- Parasites and Microbes, Wellcome Sanger Institute, Cambridge, UK
- Department of Mathematics and Statistics, Helsinki Institute of Information Technology, University of Helsinki, Helsinki, Finland
- Servicio de Microbiologia, Hospital Universitario Ramón y Cajal, Madrid, Spain
- Centro de Investigación Biomédica en Enfermedades Infecciosas (CIBERINFEC), Madrid, Spain
- 1H-TOXRUN, One Health Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL., Gandra, Portugal
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25
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Cardoso MD, Gonçalves VD, Grael AS, Pedroso VM, Pires JR, Travassos CEPF, Domit C, Vieira-Da-Motta O, Dos Prazeres Rodrigues D, Siciliano S. Detection of Escherichia coli and other Enterobacteriales members in seabirds sampled along the Brazilian coast. Prev Vet Med 2023; 218:105978. [PMID: 37544079 DOI: 10.1016/j.prevetmed.2023.105978] [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: 01/10/2023] [Revised: 07/13/2023] [Accepted: 07/19/2023] [Indexed: 08/08/2023]
Abstract
Escherichia coli, an Enterobacterales member, is a normal representative of the microbiota of homeothermic animals. Most strains are commensal, but several pathotypes can cause disease, and numerous antimicrobial resistance factors have been identified. These bacteria have spread rapidly in recent years, highlighting the importance of screening the environment and non-human reservoirs for virulent strains and/or those presenting resistance factors, in addition to other microorganisms of public health importance. In this context, this study aimed to survey Enterobacteriales present in seabirds sampled along the Brazilian coast, comparing findings between migratory and resident birds, as well as between wrecked and non-wrecked animals. Escherichia coli pathotypes were also characterized through rapid seroagglutination and polymerase chain reaction techniques and antimicrobial resistance profiles were investigated through the disc agar diffusion method. Cloacal, ocular, oral, tracheal, and skin lesion swabs, as well as fresh feces, were collected from 122 seabirds. The findings indicate these animals as important hosts for opportunistic human pathogens. Escherichia coli strains were identified in 70 % of the analyzed seabirds, 62 % of which displaying resistant or intermediate profiles to at least one antimicrobial, while 7% were multiresistant. Resistance to tetracycline (22 %), nalidixic acid (15 %), trimethoprim-sulfamethozaxol (14 %) and ampicillin (12 %) were the most prevalent. Resistance to cefoxitin, a critically important antimicrobial for human medicine, was also detected. Virulence genes for one of the EAEC, ETEC or EPEC pathotypes were detected in 30 % of the identified strains, the first two described in seabirds for the first time. The EAEC gene was detected in 25 % of the sampled seabirds, all resident, 8 % of which exhibited a multidrug-resistant profile. Thus, seabirds comprise important reservoirs for this pathotype. Escherichia coli was proven an ubiquitous and well-distributed bacterium, present in all evaluated bird species and sampling sites (except Marajó Island). According to the chi-square test, no significant differences between E. coli prevalences or antimicrobial resistance profiles between migratory and resident and between wrecked and non-wrecked seabirds were observed. Thus, migratory birds do not seem to contribute significantly to E. coli frequencies, pathotypes or antimicrobial resistance rates on the Brazilian coast.
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Affiliation(s)
- Maíra Duarte Cardoso
- Programa de Pós-Graduação em Saúde Pública e Meio Ambiente, Escola Nacional de Saúde Pública Sérgio Arouca, Fundação Oswaldo Cruz, Rua Leopoldo Bulhões, 1480, Manguinhos, Rio de Janeiro 21041-210, RJ, Brazil.
| | - Verônica Dias Gonçalves
- Laboratório de Referência Nacional de Enteroinfecções Bacterianas, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Avenida Brasil, 4365, Pavilhão Rocha Lima, sala 316, Manguinhos, Rio de Janeiro 21040-360, RJ, Brazil.
| | - Andrea Soffiatti Grael
- Setor de Animais Selvagens, Hospital Universitário de Medicina Veterinária Firmino Mársico Filho, Faculdade de Veterinária, Universidade Federal Fluminense, Avenida Almirante Ary Parreiras, 503, Vital Brazil, Niterói 24220-000, RJ, Brazil.
| | - Vanessa Marques Pedroso
- Centro de Recuperação de Animais Marinhos, Universidade Federal do Rio Grande, Rua Tenente Capitão Heitor Perdigão, 10, Centro, Rio Grande 96200-580, RS, Brazil.
| | - Jeferson Rocha Pires
- Centro de Recuperação de Fauna Silvestre, Universidade Estácio de Sá - Estrada da Boca do Mato, 850, Vargem Pequena, Rio de Janeiro 22783-320, RJ, Brazil.
| | - Carlos Eurico Pires Ferreira Travassos
- Laboratório de Sanidade Animal, Centro de Ciências e Tecnologias Agropecuárias, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Av. Alberto Lamego, 2000, Horto, Campos dos Goytacazes, Rio de Janeiro 28013-602, Brazil.
| | - Camila Domit
- Laboratório de Ecologia e Conservação, Centro de Estudos do Mar, Universidade Federal do Paraná, Paraná CEP 83255-000, Brazil.
| | - Olney Vieira-Da-Motta
- Laboratório de Sanidade Animal, Centro de Ciências e Tecnologias Agropecuárias, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Av. Alberto Lamego, 2000, Horto, Campos dos Goytacazes, Rio de Janeiro 28013-602, Brazil.
| | - Dália Dos Prazeres Rodrigues
- Laboratório de Referência Nacional de Enteroinfecções Bacterianas, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Avenida Brasil, 4365, Pavilhão Rocha Lima, sala 316, Manguinhos, Rio de Janeiro 21040-360, RJ, Brazil.
| | - Salvatore Siciliano
- Departamento de Ciências Biológicas, Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz, Rua Leopoldo Bulhões, 1.480, Manguinhos, Rio de Janeiro 21041-910, RJ, Brazil.
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26
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Dos Santos GF, de Sousa FG, Beier SL, Mendes ACR, Leão AMGES. Escherichia coli O157:H7 strains in bovine carcasses and the impact on the animal production chain. Braz J Microbiol 2023; 54:2243-2251. [PMID: 37335430 PMCID: PMC10484834 DOI: 10.1007/s42770-023-01034-x] [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] [Received: 01/27/2023] [Accepted: 06/07/2023] [Indexed: 06/21/2023] Open
Abstract
Foodborne diseases are characterized by conditions that can induce symptomatic illnesses in their carriers, and therefore represent a serious problem. They are important conditions from a clinical and epidemiological point of view, and are associated with the occurrence of serious public health problems, with a strong impact on morbidity and mortality. The Escherichia coli (E. coli) is an enterobacterium associated with enteric conditions of variable intensity and which are accompanied by blood. The transmission routes are mainly based on the consumption of contaminated food and water sources. Shiga toxin-producing E. coli (STEC) are considered a serogroup of E. coli, are capable of producing Shiga-type toxins (Stx 1 and Stx 2) and the O157:H7 strain is one of the best-known serotypes. The early detection of this pathogen is very important, especially due to the capacity of contamination of carcasses destined for food consumption and supply of productive markets. Sanitary protocols must be developed and constantly reviewed in order to prevent/control the presence of the pathogen.
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Affiliation(s)
- Gabrielle Fernanda Dos Santos
- Postgraduate in Quality Management and Hygiene and Technology of Products of Animal Origin, Ifope Educacional, Belo Horizonte, Brazil
| | - Felipe Gaia de Sousa
- Department of Veterinary Clinic and Surgery, School of Veterinary Medicine, Federal University of Minas Gerais, 6627 Antônio Carlos Av, Pampulha, Belo Horizonte, Minas Gerais, 31270-901, Brazil.
| | - Suzane Lilian Beier
- Department of Veterinary Clinic and Surgery, School of Veterinary Medicine, Federal University of Minas Gerais, 6627 Antônio Carlos Av, Pampulha, Belo Horizonte, Minas Gerais, 31270-901, Brazil
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27
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Tanpichai S, Pumpuang L, Srimarut Y, Woraprayote W, Malila Y. Development of chitin nanofiber coatings for prolonging shelf life and inhibiting bacterial growth on fresh cucumbers. Sci Rep 2023; 13:13195. [PMID: 37580357 PMCID: PMC10425451 DOI: 10.1038/s41598-023-39739-6] [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: 06/21/2023] [Accepted: 07/30/2023] [Indexed: 08/16/2023] Open
Abstract
The widespread usage of petroleum-based polymers as single-use packaging has had harmful effects on the environment. Herein, we developed sustainable chitin nanofiber (ChNF) coatings that prolong the shelf life of fresh cucumbers and delay the growth of pathogenic bacteria on their surfaces. ChNFs with varying degrees of acetylation were successfully prepared via deacetylation using NaOH with treatment times of 0-480 min and defibrillated using mechanical blending. With longer deacetylation reaction times, more acetamido groups (-NHCOCH3) in chitin molecules were converted to amino groups (-NH2), which imparted antibacterial properties to the ChNFs. The ChNF morphologies were affected by deacetylation reaction time. ChNFs deacetylated for 240 min had an average width of 9.0 nm and lengths of up to several μm, whereas rod-like structured ChNFs with a mean width of 7.3 nm and an average length of 222.3 nm were obtained with the reaction time of 480 min. Furthermore, we demonstrated a standalone ChNF coating to extend the shelf life of cucumbers. In comparison to the rod-like structured ChNFs, the 120 and 240-min deacetylated ChNFs exhibited a fibril-like structure, which considerably retarded the moisture loss of cucumbers and the growth rate of bacteria on their outer surfaces during storage. Cucumbers coated with these 120 and 240-min deacetylated ChNFs demonstrated a lower weight loss rate of ⁓ 3.9% day-1 compared to the uncoated cucumbers, which exhibited a weight loss rate of 4.6% day-1. This protective effect provided by these renewable ChNFs holds promising potential to reduce food waste and the use of petroleum-based packaging materials.
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Affiliation(s)
- Supachok Tanpichai
- Learning Institute, King Mongkut's University of Technology Thonburi, Bangkok, 10140, Thailand.
- Cellulose and Bio-Based Nanomaterials Research Group, King Mongkut's University of Technology Thonburi, Bangkok, 10140, Thailand.
| | - Laphaslada Pumpuang
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, 12120, Thailand
| | - Yanee Srimarut
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, 12120, Thailand
| | - Weerapong Woraprayote
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, 12120, Thailand
| | - Yuwares Malila
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, 12120, Thailand
- International Joint Research Center On Food Security (IJC-FOODSEC), Thailand Science Park, Pathum Thani, 12120, Thailand
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28
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Wang B, Wang H, Lu X, Zheng X, Yang Z. Recent Advances in Electrochemical Biosensors for the Detection of Foodborne Pathogens: Current Perspective and Challenges. Foods 2023; 12:2795. [PMID: 37509887 PMCID: PMC10379338 DOI: 10.3390/foods12142795] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/21/2023] [Accepted: 07/22/2023] [Indexed: 07/30/2023] Open
Abstract
Foodborne pathogens cause many diseases and significantly impact human health and the economy. Foodborne pathogens mainly include Salmonella spp., Escherichia coli, Staphylococcus aureus, Shigella spp., Campylobacter spp. and Listeria monocytogenes, which are present in agricultural products, dairy products, animal-derived foods and the environment. Various pathogens in many different types of food and water can cause potentially life-threatening diseases and develop resistance to various types of antibiotics. The harm of foodborne pathogens is increasing, necessitating effective and efficient methods for early monitoring and detection. Traditional methods, such as real-time polymerase chain reaction (RT-PCR), enzyme-linked immunosorbent assay (ELISA) and culture plate, are time-consuming, labour-intensive and expensive and cannot satisfy the demands of rapid food testing. Therefore, new fast detection methods are urgently needed. Electrochemical biosensors provide consumer-friendly methods to quickly detect foodborne pathogens in food and the environment and achieve extensive accuracy and reproducible results. In this paper, by focusing on various mechanisms of electrochemical transducers, we present a comprehensive overview of electrochemical biosensors for the detection of foodborne pathogens. Furthermore, the review introduces the hazards of foodborne pathogens, risk analysis methods and measures of control. Finally, the review also emphasizes the recent research progress and solutions regarding the use of electrochemical biosensors to detect foodborne pathogens in food and the environment, evaluates limitations and challenges experienced during the development of biosensors to detect foodborne pathogens and discusses future possibilities.
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Affiliation(s)
- Bo Wang
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225009, China
| | - Hang Wang
- College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China
| | - Xubin Lu
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China
| | - Xiangfeng Zheng
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225009, China
| | - Zhenquan Yang
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225009, China
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29
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Syakri S, Indah, Tahir KA, Dewi A, Hasma, Usman Y, Muin R, Sakka L. Microorganism Test on Biscuits Combined With Red Algae Extract ( Eucheuma denticulatum) and Tempeh ( Glycine max). Pak J Biol Sci 2023; 26:442-452. [PMID: 37937338 DOI: 10.3923/pjbs.2023.442.452] [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: 11/09/2023]
Abstract
<b>Background and Objective:</b> Biscuits are snacks that are widely circulated in the market but do not meet Indonesian National standards so they are harmful to consumer health. This study aims to determine the total plate count (TPC) value of bacteria and mold/yeast and determine the presence or absence of bacterial contamination of <i>Staphylococcus aureus </i>and <i>Escherichia coli</i> in biscuit products. <b>Materials and Methods:</b> This study is descriptive in nature using three different sample types. Total plate count (TPC) value testing was carried out using the pour plate method. Meanwhile, to determine the presence or absence of <i>Staphylococcus aureus</i> bacteria using MSA (mannitol salt agar) media with the spread plate technique. The <i>Escherichia coli</i> test uses EMBA (eosin methylene blue agar) media with a streak plate technique. <b>Results:</b> Three samples of biscuit formula obtained ALT of bacteria in sample A) 2.2×10<sup>7</sup> colonies/g, sample B) 1.9×10<sup>7</sup> colonies/g and sample C) 4.1×10<sup>7</sup> colonies/g. Mold/khamir obtained in sample A) 7.7×10<sup>5</sup> colonies/g, sample B) 5.1×10<sup>6</sup> colonies/g and sample C) 1.1×10<sup>6</sup> colonies/g. In the <i>Staphylococcus aureus</i> bacteria test, the results were not overgrown with <i>Staphylococcus aureus</i> bacteria and in the <i>Escherichia coli</i> bacteria test, the results were easily purplish red in color. <b>Conclusion:</b> It can be concluded that only formula C samples meet the requirements of the SNI quality standards. In the pathogenic microbial test, there was no growth of <i>Staphylococcus aureus</i> and <i>Escherichia coli</i> microbes in the three biscuit formula samples.
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30
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BABINES-OROZCO L, BALBUENA-ALONSO MG, BARRIOS-VILLA E, LOZANO-ZARAIN P, MARTÍNEZ-LAGUNA Y, DEL CARMEN ROCHA-GRACIA R, CORTÉS-CORTÉS G. Antimicrobial resistance in food-associated Escherichia coli in Mexico and Latin America. BIOSCIENCE OF MICROBIOTA, FOOD AND HEALTH 2023; 43:4-12. [PMID: 38188662 PMCID: PMC10767319 DOI: 10.12938/bmfh.2023-022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 06/11/2023] [Indexed: 01/09/2024]
Abstract
The World Health Organization (WHO) considers antimicrobial resistance to be one of the critical global public health priorities to address. Escherichia coli is a commensal bacterium of the gut microbiota in humans and animals; however, some strains cause infections and are resistant to antibiotics. One of the most common ways of acquiring pathogenic E. coli strains is through food. This review analyzes multidrug-resistant E. coli isolated from food, emphasizing Latin America and Mexico, and the mobile genetic elements (MGEs) responsible for spreading antibiotic resistance determinants among bacteria in different environments and hosts. We conducted a systematic search of the literature published from 2015 to 2022 in open access databases and electronic repositories. The prevalence of 11 E. coli pathotypes was described, with diarrheagenic E. coli pathotypes being the most frequently associated with foodborne illness in different Latin American countries, highlighting the presence of different antibiotic resistance genes mostly carried by IncF-type plasmids or class 1 integrons. Although the global incidence of foodborne illness is high, there have been few studies in Mexico and Latin America, which highlights the need to generate updated epidemiological data from the "One Health" approach, which allows monitoring of the multidrug-resistance phenomenon in E. coli from a common perspective in the interaction of human, veterinary, and environmental health.
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Affiliation(s)
- Lorena BABINES-OROZCO
- Posgrado en Microbiología, Centro de Investigaciones en
Ciencias Microbiológicas, Instituto de Ciencias de la Benemérita Universidad Autónoma de
Puebla. Instituto de Ciencias, Ciudad Universitaria, San Manuel C.P. 72570 Puebla,
México
| | - María Guadalupe BALBUENA-ALONSO
- Posgrado en Microbiología, Centro de Investigaciones en
Ciencias Microbiológicas, Instituto de Ciencias de la Benemérita Universidad Autónoma de
Puebla. Instituto de Ciencias, Ciudad Universitaria, San Manuel C.P. 72570 Puebla,
México
| | - Edwin BARRIOS-VILLA
- Departamento de Ciencias Químico Biológicas y Agropecuarias,
Unidad Regional Norte, Campus Caborca, Universidad de Sonora, Col. Eleazar Ortiz C.P.
83621 H. Caborca, Sonora, México
| | - Patricia LOZANO-ZARAIN
- Posgrado en Microbiología, Centro de Investigaciones en
Ciencias Microbiológicas, Instituto de Ciencias de la Benemérita Universidad Autónoma de
Puebla. Instituto de Ciencias, Ciudad Universitaria, San Manuel C.P. 72570 Puebla,
México
| | - Ygnacio MARTÍNEZ-LAGUNA
- Posgrado en Microbiología, Centro de Investigaciones en
Ciencias Microbiológicas, Instituto de Ciencias de la Benemérita Universidad Autónoma de
Puebla. Instituto de Ciencias, Ciudad Universitaria, San Manuel C.P. 72570 Puebla,
México
| | - Rosa DEL CARMEN ROCHA-GRACIA
- Posgrado en Microbiología, Centro de Investigaciones en
Ciencias Microbiológicas, Instituto de Ciencias de la Benemérita Universidad Autónoma de
Puebla. Instituto de Ciencias, Ciudad Universitaria, San Manuel C.P. 72570 Puebla,
México
| | - Gerardo CORTÉS-CORTÉS
- Posgrado en Microbiología, Centro de Investigaciones en
Ciencias Microbiológicas, Instituto de Ciencias de la Benemérita Universidad Autónoma de
Puebla. Instituto de Ciencias, Ciudad Universitaria, San Manuel C.P. 72570 Puebla,
México
- Department of Microbiology and Environmental Toxicology,
University of California at Santa Cruz, Santa Cruz, CA 95064, USA
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Khumsupan D, Lin SP, Hsieh CW, Santoso SP, Chou YJ, Hsieh KC, Lin HW, Ting Y, Cheng KC. Current and Potential Applications of Atmospheric Cold Plasma in the Food Industry. Molecules 2023; 28:4903. [PMID: 37446565 DOI: 10.3390/molecules28134903] [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: 05/22/2023] [Revised: 06/17/2023] [Accepted: 06/19/2023] [Indexed: 07/15/2023] Open
Abstract
The cost-effectiveness and high efficiency of atmospheric cold plasma (ACP) incentivise researchers to explore its potentials within the food industry. Presently, the destructive nature of this nonthermal technology can be utilised to inactivate foodborne pathogens, enzymatic ripening, food allergens, and pesticides. However, by adjusting its parameters, ACP can also be employed in other novel applications including food modification, drying pre-treatment, nutrient extraction, active packaging, and food waste processing. Relevant studies were conducted to investigate the impacts of ACP and posit that reactive oxygen and nitrogen species (RONS) play the principal roles in achieving the set objectives. In this review article, operations of ACP to achieve desired results are discussed. Moreover, the recent progress of ACP in food processing and safety within the past decade is summarised while current challenges as well as its future outlook are proposed.
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Affiliation(s)
- Darin Khumsupan
- Institute of Biotechnology, College of Bioresources and Agriculture, National Taiwan University, Taipei City 106319, Taiwan
| | - Shin-Ping Lin
- School of Food Safety, Taipei Medical University, Taipei City 110, Taiwan
| | - Chang-Wei Hsieh
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung City 402, Taiwan
| | | | - Yu-Jou Chou
- Institute of Food Science and Technology, College of Bioresources and Agriculture, National Taiwan University, Taipei City 106319, Taiwan
| | - Kuan-Chen Hsieh
- Institute of Food Science and Technology, College of Bioresources and Agriculture, National Taiwan University, Taipei City 106319, Taiwan
| | - Hui-Wen Lin
- Department of Optometry, Asia University, Taichung City 41354, Taiwan
| | - Yuwen Ting
- Institute of Food Science and Technology, College of Bioresources and Agriculture, National Taiwan University, Taipei City 106319, Taiwan
| | - Kuan-Chen Cheng
- Institute of Biotechnology, College of Bioresources and Agriculture, National Taiwan University, Taipei City 106319, Taiwan
- Institute of Food Science and Technology, College of Bioresources and Agriculture, National Taiwan University, Taipei City 106319, Taiwan
- Department of Optometry, Asia University, Taichung City 41354, Taiwan
- Department of Medical Research, China Medical University Hospital, Taichung City 404327, Taiwan
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Nikulin N, Nikulina A, Zimin A, Aminov R. Phages for treatment of Escherichia coli infections. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2023; 200:171-206. [PMID: 37739555 DOI: 10.1016/bs.pmbts.2023.03.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/24/2023]
Abstract
Diseases due to infections by pathogenic Escherichia coli strains are on the rise and with the growing antimicrobial resistance among bacterial pathogens, including this group. Thus, alternative therapeutic options are actively investigated. Among these alternatives is phage therapy. In the case of E. coli, the combination of the well understood biology of this species and its bacteriophages represents a good guiding example for the establishment of phage therapy principles against this and other pathogenic bacteria. In this chapter, the procedures toward the development of phage therapy against pathogenic E. coli with the use of T-even group of phages are discussed. These steps involve the isolation, purification, characterisation and large-scale production of these phages, with formulation of phage cocktails for in vitro and in vivo studies. The main emphasis is made on phage therapy of enteropathogenic E. coli O157:H, which is one of the prominent human pathogens but persists as a commensal bacterium in many food animals. The implementation of phage therapy against E. coli O157:H within the One Health framework in carrier animals and for treatment of meat, vegetables, fruits and other agricultural produce thus would allow controlling and interrupting the transmission routes of this pathogen to the human food chain and preventing human disease. Examples of successful control and elimination of E. coli O157:H are given, while the problems encountered in phage treatment of this pathogen are also discussed.
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Affiliation(s)
- Nikita Nikulin
- Laboratory of Molecular Microbiology, G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Federal Research Center, Pushchino, Russia
| | - Alexandra Nikulina
- Laboratory of Molecular Microbiology, G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Federal Research Center, Pushchino, Russia
| | - Andrei Zimin
- Laboratory of Molecular Microbiology, G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Federal Research Center, Pushchino, Russia
| | - Rustam Aminov
- The School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen, United Kingdom.
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Wang H, Liu Z, Duan F, Chen Y, Qiu K, Xiong Q, Lin H, Zhang J, Tan H. Isolation, identification, and antibacterial evaluation of endophytic fungi from Gannan navel orange. Front Microbiol 2023; 14:1172629. [PMID: 37396354 PMCID: PMC10307966 DOI: 10.3389/fmicb.2023.1172629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 05/23/2023] [Indexed: 07/04/2023] Open
Abstract
Gannan navel orange is a famous brand in China but the isolation of its endophytic fungi was rarely reported. In this study, a total of 54 strains of endophytic fungi were successfully isolated from the pulp, peel, twig, and leaf of Gannan navel orange; they were successfully identified to belong to 17 species of 12 genera. All these strains were fermented using potato-dextrose agar (PDA) medium, and their secondary metabolites were then extracted with ethyl acetate (EtOAc). The antibacterial assays of Escherichia coli (E. coli), methicillin-resistant Staphylococcus aureus (MRSA), and Xanthomonas citri subsp. citri (Xcc) were also performed for the EtOAc extracts of these strains. As a result, the extracts of both Geotrichum sp. (gc-1-127-30) and Diaporthe biconispora (gc-1-128-79) demonstrated significant antibacterial activities against Xcc, and the MIC value for the extract of Colletotrichum gloeosporioides against MRSA was low to 62.5 μg/mL. Moreover, the chemical components of the extracts of Colletotrichum sp., Diaporthe biconispora, and Annulohypoxylon atroroseum were primarily investigated, and they successfully led to the isolation of 24 compounds involving a new botryane sesquiterpene. Among the isolated products, compound 2 showed significant inhibitory activities toward SA, MRSA, E. coli, and Xcc with MIC values of 12.5, 3.1, 125, and 12.5 μg/mL, respectively. This study revealed that the endophytic fungi of Gannan navel orange showed high potency to produce secondary metabolites with significant antibacterial effects.
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Affiliation(s)
- Huan Wang
- National Navel Orange Engineering Research Center, Gannan Normal University, Ganzhou, China
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | - Ziyue Liu
- National Navel Orange Engineering Research Center, Gannan Normal University, Ganzhou, China
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | - Fangfang Duan
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | - Yan Chen
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China
| | - Kaidi Qiu
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | - Qin Xiong
- National Navel Orange Engineering Research Center, Gannan Normal University, Ganzhou, China
| | - Huiting Lin
- National Navel Orange Engineering Research Center, Gannan Normal University, Ganzhou, China
| | - Jun Zhang
- National Navel Orange Engineering Research Center, Gannan Normal University, Ganzhou, China
| | - Haibo Tan
- National Navel Orange Engineering Research Center, Gannan Normal University, Ganzhou, China
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
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Delgado J, Álvarez M, Cebrián E, Martín I, Roncero E, Rodríguez M. Biocontrol of Pathogen Microorganisms in Ripened Foods of Animal Origin. Microorganisms 2023; 11:1578. [PMID: 37375080 DOI: 10.3390/microorganisms11061578] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 06/09/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
Ripened foods of animal origin comprise meat products and dairy products, being transformed by the wild microbiota which populates the raw materials, generating highly appreciated products over the world. Together with this beneficial microbiota, both pathogenic and toxigenic microorganisms such as Listeria monocytogenes, Salmonella enterica, Staphylococcus aureus, Clostridium botulinum, Escherichia coli, Candida spp., Penicillium spp. and Aspergillus spp., can contaminate these products and pose a risk for the consumers. Thus, effective strategies to hamper these hazards are required. Additionally, consumer demand for clean label products is increasing. Therefore, the manufacturing sector is seeking new efficient, natural, low-environmental impact and easy to apply strategies to counteract these microorganisms. This review gathers different approaches to maximize food safety and discusses the possibility of their being applied or the necessity of new evidence, mainly for validation in the manufacturing product and its sensory impact, before being implemented as preventative measures in the Hazard Analysis and Critical Control Point programs.
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Affiliation(s)
- Josué Delgado
- Higiene y Seguridad Alimentaria, Instituto de Investigación de Carne y Productos Cárnicos (IProCar), Facultad de Veterinaria, Universidad de Extremadura, Avda. de las Ciencias s/n, 10003 Cáceres, Spain
| | - Micaela Álvarez
- Higiene y Seguridad Alimentaria, Instituto de Investigación de Carne y Productos Cárnicos (IProCar), Facultad de Veterinaria, Universidad de Extremadura, Avda. de las Ciencias s/n, 10003 Cáceres, Spain
| | - Eva Cebrián
- Higiene y Seguridad Alimentaria, Instituto de Investigación de Carne y Productos Cárnicos (IProCar), Facultad de Veterinaria, Universidad de Extremadura, Avda. de las Ciencias s/n, 10003 Cáceres, Spain
| | - Irene Martín
- Higiene y Seguridad Alimentaria, Instituto de Investigación de Carne y Productos Cárnicos (IProCar), Facultad de Veterinaria, Universidad de Extremadura, Avda. de las Ciencias s/n, 10003 Cáceres, Spain
| | - Elia Roncero
- Higiene y Seguridad Alimentaria, Instituto de Investigación de Carne y Productos Cárnicos (IProCar), Facultad de Veterinaria, Universidad de Extremadura, Avda. de las Ciencias s/n, 10003 Cáceres, Spain
| | - Mar Rodríguez
- Higiene y Seguridad Alimentaria, Instituto de Investigación de Carne y Productos Cárnicos (IProCar), Facultad de Veterinaria, Universidad de Extremadura, Avda. de las Ciencias s/n, 10003 Cáceres, Spain
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L A LA, Waturangi DE. Application of BI-EHEC and BI-EPEC bacteriophages to control enterohemorrhagic and enteropathogenic escherichia coli on various food surfaces. BMC Res Notes 2023; 16:102. [PMID: 37312167 DOI: 10.1186/s13104-023-06371-6] [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: 08/31/2022] [Accepted: 05/25/2023] [Indexed: 06/15/2023] Open
Abstract
OBJECTIVES The purposes of this study were to determine the Efficiency of Plating (EOP) value of Bacteriophage BI-EHEC and BI-EPEC and to evaluate the application of these bacteriophages in reducing population of EHEC and EPEC on various food samples. RESULTS In this study, we used bacteriophage BI-EHEC and BI-EPEC, which were isolated from previous study. Both phages were tested with other multiple pathotypes of intestinal pathogenic E. coli to determine the efficiency of plating. BI-EHEC had high efficiency toward ETEC with an EOP value of 2.95 but low efficiency toward EHEC with an EOP value of 0.10, while BI-EPEC had high efficiency toward EHEC and ETEC with EOP values of 1.10 and 1.21, respectively. As biocontrol agents, both bacteriophages able to reduce CFU of EHEC and EPEC in several food samples using 1 and 6-days incubation times at 4 [Formula: see text]. BI-EHEC reduced the number of EHEC with an overall percentage of bacterial reduction value above 0.13 log10, while BI-EPEC reduced number of EPEC with reduction value above 0.33 log10.
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Affiliation(s)
- Leny Agustina L A
- Faculty of Biotechnology, Atma Jaya Catholic University of Indonesia, Jalan Jenderal Sudirman 51 Jakarta, 12930, South Jakarta, Indonesia
| | - Diana Elizabeth Waturangi
- Faculty of Biotechnology, Atma Jaya Catholic University of Indonesia, Jalan Jenderal Sudirman 51 Jakarta, 12930, South Jakarta, Indonesia.
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Artawinata PC, Lorraine S, Waturangi DE. Isolation and characterization of bacteriophages from soil against food spoilage and foodborne pathogenic bacteria. Sci Rep 2023; 13:9282. [PMID: 37286897 DOI: 10.1038/s41598-023-36591-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 06/06/2023] [Indexed: 06/09/2023] Open
Abstract
Microbial food spoilage and foodborne disease are the main challenges in the food industry regarding food shelf life. Current preservation methods are frequently associated with changes in organoleptic characteristics and loss of nutrients. For this reason, bacteriophage offers an alternative natural method as a biocontrol agent that can reduce bacterial contamination in food without altering the organoleptic properties. This study was conducted to isolate and characterize bacteriophage from soil to control food spoilage bacteria, such as Bacillus cereus and Bacillus subtilis, and foodborne pathogenic bacteria, such as enterotoxigenic Escherichia coli (ETEC) and enterohemorrhagic E. coli (EHEC). Isolation was done by agar overlay assay method, and phages BC-S1, BS-S2, ETEC-S3, and EHEC-S4 were recovered. The host range of all isolated phages tended to be narrow and had high specificity towards the specific bacteria. The phage efficiency were measured where ETEC-S3 showed no effectivity against B. cereus and EHEC-S4 showed low efficiency against Enteropathogenic E. coli (EPEC). Morphology analysis was conducted for phage BC-S1 and ETEC-S3 with Transmission Electron Microscopy (TEM), and it is shown to belong to the Caudovirales order. Phages BC-S1 and BS-S2 significantly reduced the host bacteria when applied to the cooked rice and pasteurized milk samples with miMOI of 0.1. While phage ETEC-S3 at miMOI of 0.001 and phage EHEC-S4 at miMOI of 1 also showed a significant reduction when applied to chicken meat and lettuce samples at storage temperatures of 4 °C and 28 °C. The highest bacterial reduction of 100% was shown by phage BC-S1 on pasteurized milk samples and reduction up to 96.06% by phage ETEC-S3 on chicken meat samples at 28 °C incubation.
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Affiliation(s)
- Putri Christy Artawinata
- Food Technology Department, Faculty of Biotechnology, Atma Jaya Catholic University of Indonesia, Jenderal Sudirman 51 Street, South Jakarta, DKI Jakarta, 12930, Indonesia
| | - Sesilia Lorraine
- Food Technology Department, Faculty of Biotechnology, Atma Jaya Catholic University of Indonesia, Jenderal Sudirman 51 Street, South Jakarta, DKI Jakarta, 12930, Indonesia
| | - Diana Elizabeth Waturangi
- Master in Biotechnology Department, Faculty of Biotechnology, Atma Jaya Catholic University of Indonesia, Jenderal Sudirman 51 Street, South Jakarta, DKI Jakarta, 12930, Indonesia.
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Gao D, Ji H, Li X, Ke X, Li X, Chen P, Qian P. Host receptor identification of a polyvalent lytic phage GSP044, and preliminary assessment of its efficacy in the clearance of Salmonella. Microbiol Res 2023; 273:127412. [PMID: 37243984 DOI: 10.1016/j.micres.2023.127412] [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: 02/05/2023] [Revised: 05/15/2023] [Accepted: 05/16/2023] [Indexed: 05/29/2023]
Abstract
Salmonella and pathogenic Escherichia coli are important foodborne pathogens. Phages are being recognized as potential antibacterial agents to control foodborne pathogens. In the current study, a polyvalent broad-spectrum phage, GSP044, was isolated from pig farm sewage. It can simultaneously lyse many different serotypes of Salmonella and E. coli, exhibiting a broad host range. Using S. Enteritidis SE006 as the host bacterium, phage GSP044 was further characterized. GSP044 has a short latent period (10 min), high stability at different temperatures and pH, and good tolerance to chloroform. Genome sequencing analysis revealed that GSP044 has a double-stranded DNA (dsDNA) genome consisting of 110,563 bp with G + C content of 39%, and phylogenetic analysis of the terminase large subunit confirmed that GSP044 belonged to the Demerecviridae family, Epseptimavirus genus. In addition, the genomic sequence did not contain any lysogenicity-related, virulence-related, or antibiotic resistance-related genes. Analysis of phage-targeted host receptors revealed that the outer membrane protein (OMP) BtuB was identified as a required receptor for phage infection of host bacteria. The initial application capability of phage GSP044 was assessed using S. Enteritidis SE006. Phage GSP044 could effectively reduce biofilm formation and degrade the mature biofilm in vitro. Moreover, GSP044 significantly decreased the viable counts of artificially contaminated S. Enteritidis in chicken feed and drinking water. In vivo tests, a mouse model of intestinal infection demonstrated that phage GSP044 was able to reduce the number of colonized S. Enteritidis in the intestine. These results suggest that phage GSP044 may be a promising candidate biologic agent for controlling Salmonella infections.
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Affiliation(s)
- Dongyang Gao
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei 430070, People's Republic of China; College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei 430070, People's Republic of China; Key Laboratory of Preventive Veterinary Medicine in Hubei Province, the Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei 430070, People's Republic of China
| | - Hongyue Ji
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei 430070, People's Republic of China; College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei 430070, People's Republic of China; Key Laboratory of Preventive Veterinary Medicine in Hubei Province, the Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei 430070, People's Republic of China
| | - Xin Li
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei 430070, People's Republic of China; College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei 430070, People's Republic of China; Key Laboratory of Preventive Veterinary Medicine in Hubei Province, the Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei 430070, People's Republic of China
| | - Xiquan Ke
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei 430070, People's Republic of China; College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei 430070, People's Republic of China; Key Laboratory of Preventive Veterinary Medicine in Hubei Province, the Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei 430070, People's Republic of China
| | - Xiangmin Li
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei 430070, People's Republic of China; College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei 430070, People's Republic of China; Key Laboratory of Preventive Veterinary Medicine in Hubei Province, the Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei 430070, People's Republic of China
| | - Pin Chen
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei 430070, People's Republic of China; College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei 430070, People's Republic of China; Key Laboratory of Preventive Veterinary Medicine in Hubei Province, the Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei 430070, People's Republic of China.
| | - Ping Qian
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, Hubei 430070, People's Republic of China; College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei 430070, People's Republic of China; Key Laboratory of Preventive Veterinary Medicine in Hubei Province, the Cooperative Innovation Center for Sustainable Pig Production, Wuhan, Hubei 430070, People's Republic of China.
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Lee W, Kim MH, Sung S, Kim E, An ES, Kim SH, Kim SH, Kim HY. Genome-Based Characterization of Hybrid Shiga Toxin-Producing and Enterotoxigenic Escherichia coli (STEC/ETEC) Strains Isolated in South Korea, 2016-2020. Microorganisms 2023; 11:1285. [PMID: 37317259 DOI: 10.3390/microorganisms11051285] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 05/11/2023] [Accepted: 05/11/2023] [Indexed: 06/16/2023] Open
Abstract
The global emergence of hybrid diarrheagenic E. coli strains incorporating genetic markers from different pathotypes is a public health concern. Hybrids of Shiga toxin-producing and enterotoxigenic E. coli (STEC/ETEC) are associated with diarrhea and hemolytic uremic syndrome (HUS) in humans. In this study, we identified and characterized STEC/ETEC hybrid strains isolated from livestock feces (cattle and pigs) and animal food sources (beef, pork, and meat patties) in South Korea between 2016 and 2020. The strains were positive for genes from STEC and ETEC, such as stx (encodes Shiga toxins, Stxs) and est (encodes heat-stable enterotoxins, ST), respectively. The strains belong to diverse serogroups (O100, O168, O8, O155, O2, O141, O148, and O174) and sequence types (ST446, ST1021, ST21, ST74, ST785, ST670, ST1780, ST1782, ST10, and ST726). Genome-wide phylogenetic analysis revealed that these hybrids were closely related to certain ETEC and STEC strains, implying the potential acquisition of Stx-phage and/or ETEC virulence genes during the emergence of STEC/ETEC hybrids. Particularly, STEC/ETEC strains isolated from livestock feces and animal source foods mostly exhibited close relatedness with ETEC strains. These findings allow further exploration of the pathogenicity and virulence of STEC/ETEC hybrid strains and may serve as a data source for future comparative studies in evolutionary biology.
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Affiliation(s)
- Woojung Lee
- Division of Food Microbiology, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju 28159, Republic of Korea
- Institute of Life Sciences & Resources, Department of Food Science and Biotechnology, Kyung Hee University, Yongin 17104, Republic of Korea
| | - Min-Hee Kim
- Division of Food Microbiology, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju 28159, Republic of Korea
| | - Soohyun Sung
- Division of Food Microbiology, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju 28159, Republic of Korea
| | - Eiseul Kim
- Institute of Life Sciences & Resources, Department of Food Science and Biotechnology, Kyung Hee University, Yongin 17104, Republic of Korea
| | - Eun Sook An
- Division of Food Microbiology, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju 28159, Republic of Korea
| | - Seung Hwan Kim
- Division of Food Microbiology, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju 28159, Republic of Korea
| | - Soon Han Kim
- Division of Food Microbiology, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju 28159, Republic of Korea
| | - Hae-Yeong Kim
- Institute of Life Sciences & Resources, Department of Food Science and Biotechnology, Kyung Hee University, Yongin 17104, Republic of Korea
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Guo H, Zhao F, Lei B, Yang W, Guo L, Qian J. Synergistic antimicrobial system based on nisin and α-hydroxy organic acids. Arch Microbiol 2023; 205:225. [PMID: 37154948 DOI: 10.1007/s00203-023-03572-2] [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: 03/29/2023] [Revised: 04/19/2023] [Accepted: 05/01/2023] [Indexed: 05/10/2023]
Abstract
Synergistic antimicrobial is a promising way to overcome microbial contamination in food and drugs. In the study, the synergistic effect between nisin and α-hydroxy organic acids on E. coli and S. aureus was investigated. The experimental results showed that the combined antibacterial ability of nisin-citric acid system was the most prominent. The FCI index also indicated that the combination of nisin and citric acid had synergistic effects on E. coli. When nisin was combined with citric acid, the inhibition rates of E. coli and S. aureus were increased to 4.43 and 1.49 times, respectively. Nisin-citric acid complex system could effectively slow down the proliferation of S. aureus and E. coli at lower concentrations, and can quickly destroy the cell membrane after 4 h of action. Therefore, the combination of nisin and citric acid is expected to be a potential solution for food and drug preservation.
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Affiliation(s)
- Hui Guo
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, Zhejiang Province, People's Republic of China.
| | - Fengju Zhao
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, Zhejiang Province, People's Republic of China
| | - Bingshuang Lei
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, Zhejiang Province, People's Republic of China
| | - Wei Yang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, Zhejiang Province, People's Republic of China
| | - Lili Guo
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, Zhejiang Province, People's Republic of China
| | - Junqing Qian
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, Zhejiang Province, People's Republic of China
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de Souza ZN, de Moura DF, de Almeida Campos LA, Córdula CR, Cavalcanti IMF. Antibiotic resistance profiles on pathogenic bacteria in the Brazilian environments. Arch Microbiol 2023; 205:185. [PMID: 37043091 DOI: 10.1007/s00203-023-03524-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 03/18/2023] [Accepted: 03/28/2023] [Indexed: 04/13/2023]
Abstract
The present study aimed to elaborate a review of multidrug-resistant (MDR) bacteria in soil, food, aquatic environments, cattle, poultry, and swine farms in Brazil. Initially, the literature database for published papers from 2012 to 2023 was Scientific Electronic Library Online (SciELO), U.S. National Library of Medicine (PubMed), and Google Scholar, through the descriptors: antimicrobial resistance, resistance profile, multidrug resistance, environmental bacteria, and pathogenic bacteria. The studies demonstrated the prevalence of pathogenic and resistant bacteria in environments that favor their rapid dissemination. Bacteria of medical importance, such as Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Listeria monocytogenes, Salmonella spp., Shigella spp., Vibrio spp., were present in samples from animal farms and foods, including cheese and milk, urban aquatic environments, hospital effluents, and shrimp farms. Studies suggested that important bacteria have been disseminated through different niches with easy contact with humans, animals, and food, demonstrating the danger of the emergence of increasingly difficult conditions for treating and controlling these infections. Thus, better understanding and characterizing the resistance profiles of bacteria in these regions, mainly referring to MDR bacteria, can help develop solutions to prevent the progression of this public health problem.
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Affiliation(s)
- Zion Nascimento de Souza
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego, 1235, Cidade Universitária, Recife, PE, 50670-901, Brazil
| | - Danielle Feijó de Moura
- Laboratory of Microbiology and Immunology, Academic Center of Vitória (CAV), Federal University of Pernambuco (UFPE), Rua do Alto do Reservatório s/n, Bela Vista, Vitória de Santo Antão, Pernambuco, 55608-680, Brazil
| | - Luís André de Almeida Campos
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego, 1235, Cidade Universitária, Recife, PE, 50670-901, Brazil
| | - Carolina Ribeiro Córdula
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego, 1235, Cidade Universitária, Recife, PE, 50670-901, Brazil
| | - Isabella Macário Ferro Cavalcanti
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego, 1235, Cidade Universitária, Recife, PE, 50670-901, Brazil.
- Laboratory of Microbiology and Immunology, Academic Center of Vitória (CAV), Federal University of Pernambuco (UFPE), Rua do Alto do Reservatório s/n, Bela Vista, Vitória de Santo Antão, Pernambuco, 55608-680, Brazil.
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Development of a depuration protocol for commercially important edible bivalve molluscs of India: Ensuring microbiological safety. Food Microbiol 2023; 110:104172. [DOI: 10.1016/j.fm.2022.104172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 08/22/2022] [Accepted: 10/21/2022] [Indexed: 11/22/2022]
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Hussein ND, Hassan JW, Osman M, El-Omari K, Kharroubi SA, Toufeili I, Kassem II. Assessment of the Microbiological Acceptability of White Cheese (Akkawi) in Lebanon and the Antimicrobial Resistance Profiles of Associated Escherichia coli. Antibiotics (Basel) 2023; 12:antibiotics12030610. [PMID: 36978477 PMCID: PMC10044863 DOI: 10.3390/antibiotics12030610] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 03/10/2023] [Accepted: 03/16/2023] [Indexed: 03/22/2023] Open
Abstract
Dairy foods are a staple in Lebanon, a low- and middle-income country that has been experiencing serious challenges to food safety and antimicrobial stewardship among other issues. The microbiological acceptability of dairy products has been of increasing concern. This is partially due to the failing economy and prolonged power outages that affect the quality of raw material and disrupt the dairy cold chain, respectively. Therefore, we assessed the microbiological acceptability of Akkawi, a popular white-brined cheese in Lebanon. For this purpose, we quantified the densities of Escherichia coli (a fecal indicator) and Staphylococcus aureus in cheeses collected from Lebanese retail stores. Additionally, we evaluated the antibiotic resistance profiles of the E. coli isolated from the cheese. E. coli and S. aureus were detected in 40 (80%) and 16 (32%) of the 50 cheese samples, respectively. Notably, 40 (80%) and 16 (32%) of the samples exceeded the maximum permissible limit of E. coli and S. aureus, respectively. A high percentage of the 118 E. coli isolated from the cheeses showed resistance to clinically and agriculturally important antibiotics, while 89 (75%) isolates were classified as multidrug-resistant (MDR). Given that Akkawi can be consumed without cooking, our findings highlight serious food safety and antimicrobial resistance problems that require immediate interventions.
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Affiliation(s)
- Nasri Daher Hussein
- Department of Nutrition and Food Sciences, Faculty of Agricultural and Food Sciences, American University of Beirut (AUB), Beirut 1107 2020, Lebanon
| | - Jouman W. Hassan
- Center for Food Safety, Department of Food Science and Technology, University of Georgia, 1109 Experiment Street, Griffin, GA 30223, USA
| | - Marwan Osman
- Cornell Atkinson Center for Sustainability, Cornell University, Ithaca, NY 14853, USA
- Department of Public and Ecosystem Health, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
| | - Khaled El-Omari
- Quality Control Center Laboratories at the Chamber of Commerce, Industry & Agriculture of Tripoli & North Lebanon, Tripoli 1300, Lebanon
- Laboratoire Microbiologie Santé et Environnement (LMSE), Doctoral School of Sciences and Technology, Faculty of Public Health, Lebanese University, Tripoli 1300, Lebanon
| | - Samer A. Kharroubi
- Department of Nutrition and Food Sciences, Faculty of Agricultural and Food Sciences, American University of Beirut (AUB), Beirut 1107 2020, Lebanon
| | - Imad Toufeili
- Department of Nutrition and Food Sciences, Faculty of Agricultural and Food Sciences, American University of Beirut (AUB), Beirut 1107 2020, Lebanon
| | - Issmat I. Kassem
- Center for Food Safety, Department of Food Science and Technology, University of Georgia, 1109 Experiment Street, Griffin, GA 30223, USA
- Correspondence:
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Xing TL, Bian X, Ma CM, Yang Y, Liu XF, Wang Y, Fan J, Zhang N. In vitro evaluation of probiotic properties of Lactobacillus acidophilus AD125 and antagonism against Escherichia coli O157:H7 adhesion to Caco-2 cell. Food Funct 2023; 14:2472-2480. [PMID: 36799431 DOI: 10.1039/d2fo03200g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
This study investigated the in vitro antibacterial activity of Lactobacillus acidophilus AD125 against Escherichia coli (E. coli) O157:H7 and its probiotic properties: gastrointestinal tolerance, surface hydrophobicity, autoaggregation, coaggregation, and adhesion to Caco-2 cells. In addition, the action mode of the strain's antagonism against adhesion of E. coli O157:H7 to Caco-2 cells was analyzed, and related substances were also determined. Results showed that L. acidophilus AD125 had stronger antibacterial activity (inhibition zone of 20.47 ± 0.43 for AD125 culture solution and 14.55 ± 1.12 for cell-free supernatant) against E. coli O157:H7 than other Lactobacillus spp. Also, this strain had higher gastrointestinal tolerance, autoaggregation percentage (26.51 ± 0.71%), and coaggregation percentage (23.97 ± 0.44%) with E. coli O157:H7. High surface hydrophobicity of toluene and xylene (83.59 ± 2.54% and 93.45 ± 1.24%) was also observed. Bacterial adhesion counts were 1176.54 100 per cells, indicating good adhesion to Caco-2 cells. Furthermore, the exclusion, competition, and antibacterial effect of AD125 may have driven its antagonism against E. coli O157:H7 adhesion. Finally, surface-layer proteins, extracellular polysaccharides, and thermosensitive substances all participated in the antagonism against E. coli O157:H7, with surface-layer proteins the main related substances. These results show that Lactobacillus acidophilus AD125 is promising for inhibiting E. coli O157:H7 and preventing and treating intestinal diseases induced by E. coli O157:H7.
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Affiliation(s)
- Tong-Lin Xing
- School of Food Engineering, Harbin University of Commerce, Harbin 150076, China.
| | - Xin Bian
- School of Food Engineering, Harbin University of Commerce, Harbin 150076, China.
| | - Chun-Min Ma
- School of Food Engineering, Harbin University of Commerce, Harbin 150076, China.
| | - Yang Yang
- School of Food Engineering, Harbin University of Commerce, Harbin 150076, China.
| | - Xiao-Fei Liu
- School of Food Engineering, Harbin University of Commerce, Harbin 150076, China.
| | - Yan Wang
- School of Food Engineering, Harbin University of Commerce, Harbin 150076, China.
| | - Jing Fan
- School of Food Engineering, Harbin University of Commerce, Harbin 150076, China.
| | - Na Zhang
- School of Food Engineering, Harbin University of Commerce, Harbin 150076, China.
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Silva Dos Santos F, Neves RAF, Bernay B, Krepsky N, Teixeira VL, Artigaud S. The first use of LC-MS/MS proteomic approach in the brown mussel Perna perna after bacterial challenge: Searching for key proteins on immune response. FISH & SHELLFISH IMMUNOLOGY 2023; 134:108622. [PMID: 36803779 DOI: 10.1016/j.fsi.2023.108622] [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: 12/16/2022] [Revised: 02/14/2023] [Accepted: 02/16/2023] [Indexed: 06/18/2023]
Abstract
The brown mussel Perna perna is a valuable fishing resource, primarily in tropical and subtropical coastal regions. Because of their filter-feeding habits, mussels are directly exposed to bacteria in the water column. Escherichia coli (EC) and Salmonella enterica (SE) inhabit human guts and reach the marine environment through anthropogenic sources, such as sewage. Vibrio parahaemolyticus (VP) is indigenous to coastal ecosystems but can be harmful to shellfish. In this study, we aimed to assess the protein profile of the hepatopancreas of P. perna mussel challenged by introduced - E. coli and S. enterica - and indigenous marine bacteria - V. parahaemolyticus. Bacterial-challenge groups were compared with non-injected (NC) and injected control (IC) - that consisted in mussels not challenged and mussels injected with sterile PBS-NaCl, respectively. Through LC-MS/MS proteomic analysis, 3805 proteins were found in the hepatopancreas of P. perna. From the total, 597 were significantly different among conditions. Mussels injected with VP presented 343 proteins downregulated compared with all the other conditions, suggesting that VP suppresses their immune response. Particularly, 31 altered proteins - upregulated or downregulated - for one or more challenge groups (EC, SE, and VP) compared with controls (NC and IC) are discussed in detail in the paper. For the three tested bacteria, significantly different proteins were found to perform critical roles in immune response at all levels, namely: recognition and signal transduction; transcription; RNA processing; translation and protein processing; secretion; and humoral effectors. This is the first shotgun proteomic study in P. perna mussel, therefore providing an overview of the protein profile of the mussel hepatopancreas, focused on the immune response against bacteria. Hence, it is possible to understand the immune-bacteria relationship at molecular levels better. This knowledge can support the development of strategies and tools to be applied to coastal marine resource management and contribute to the sustainability of coastal systems.
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Affiliation(s)
- Fernanda Silva Dos Santos
- Graduate Program in Sciences and Biotechnology, Institute of Biology, Fluminense Federal University (UFF), R. Mario Santos Braga, S/n. Centro, Niterói, RJ, CEP 24.020-141, Brazil; Research Group of Experimental and Aquatic Ecology, Institute of Biosciences (IBIO), Federal University of the State of Rio de Janeiro (UNIRIO), Av. Pasteur, 458-307, Urca, Rio de Janeiro, RJ, CEP: 22.290-240, Brazil.
| | - Raquel A F Neves
- Graduate Program in Neotropical Biodiversity (PPGBIO), Institute of Biosciences (IBIO), Federal University of the State of Rio de Janeiro (UNIRIO), Av. Pasteur, 458, Urca, Rio de Janeiro, RJ, CEP: 22.290-255, Brazil; Research Group of Experimental and Aquatic Ecology, Institute of Biosciences (IBIO), Federal University of the State of Rio de Janeiro (UNIRIO), Av. Pasteur, 458-307, Urca, Rio de Janeiro, RJ, CEP: 22.290-240, Brazil.
| | - Benoît Bernay
- Plateforme Proteogen, SFR ICORE 4206, Université de Caen Basse-Normandie, Esplanade de la paix, 14032, Caen cedex, France.
| | - Natascha Krepsky
- Graduate Program in Neotropical Biodiversity (PPGBIO), Institute of Biosciences (IBIO), Federal University of the State of Rio de Janeiro (UNIRIO), Av. Pasteur, 458, Urca, Rio de Janeiro, RJ, CEP: 22.290-255, Brazil.
| | - Valéria Laneuville Teixeira
- Graduate Program in Sciences and Biotechnology, Institute of Biology, Fluminense Federal University (UFF), R. Mario Santos Braga, S/n. Centro, Niterói, RJ, CEP 24.020-141, Brazil; Graduate Program in Neotropical Biodiversity (PPGBIO), Institute of Biosciences (IBIO), Federal University of the State of Rio de Janeiro (UNIRIO), Av. Pasteur, 458, Urca, Rio de Janeiro, RJ, CEP: 22.290-255, Brazil.
| | - Sébastien Artigaud
- Université de Brest, CNRS, IRD, Ifremer, UMR 6539 LEMAR, F-29280, Plouzané, France.
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Bacteriophage-based nano-biosensors for the fast impedimetric determination of pathogens in food samples. Sci Rep 2023; 13:3498. [PMID: 36859463 PMCID: PMC9977096 DOI: 10.1038/s41598-023-30520-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 02/24/2023] [Indexed: 03/03/2023] Open
Abstract
The early and rapid detection of pathogenic microorganisms is of critical importance in addressing serious public health issues. Here, a new bacteriophage-based nano-biosensor was constructed and the electrochemical impedimetric method was fully optimized and applied for the quantitative detection of Escherichia coli O157:H7 in food samples. The impact of using a nanocomposite consisting of gold nanoparticles (AuNPs), multi-walled carbon nanotubes (MWCNTs), and tungsten oxide nanostructures (WO3) on the electrochemical performance of disposable screen printed electrodes was identified using the cyclic voltammetry and electrochemical impedance spectroscopy. The use nanomaterials enabled high capturing sensitivity against the targeting bacterial host cells with the limit of detection of 3.0 CFU/ml. Moreover, selectivity of the covalently immobilized active phage was tested against several non-targeting bacterial strains, where a high specificity was achieved. Thus, the targeting foodborne pathogen was successfully detected in food samples with high specificity, and the sensor provided an excellent recovery rate ranging from 90.0 to 108%. Accordingly, the newly developed phage-biosensor is recommended as a disposable label-free impedimetric biosensor for the quick and real-time monitoring of food quality.
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Chicken Production and Human Clinical Escherichia coli Isolates Differ in Their Carriage of Antimicrobial Resistance and Virulence Factors. Appl Environ Microbiol 2023; 89:e0116722. [PMID: 36651726 PMCID: PMC9973021 DOI: 10.1128/aem.01167-22] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Contamination of food animal products by Escherichia coli is a leading cause of foodborne disease outbreaks, hospitalizations, and deaths in humans. Chicken is the most consumed meat both in the United States and across the globe according to the U.S. Department of Agriculture. Although E. coli is a ubiquitous commensal bacterium of the guts of humans and animals, its ability to acquire antimicrobial resistance (AMR) genes and virulence factors (VFs) can lead to the emergence of pathogenic strains that are resistant to critically important antibiotics. Thus, it is important to identify the genetic factors that contribute to the virulence and AMR of E. coli. In this study, we performed in-depth genomic evaluation of AMR genes and VFs of E. coli genomes available through the National Antimicrobial Resistance Monitoring System GenomeTrackr database. Our objective was to determine the genetic relatedness of chicken production isolates and human clinical isolates. To achieve this aim, we first developed a massively parallel analytical pipeline (Reads2Resistome) to accurately characterize the resistome of each E. coli genome, including the AMR genes and VFs harbored. We used random forests and hierarchical clustering to show that AMR genes and VFs are sufficient to classify isolates into different pathogenic phylogroups and host origin. We found that the presence of key type III secretion system and AMR genes differentiated human clinical isolates from chicken production isolates. These results further improve our understanding of the interconnected role AMR genes and VFs play in shaping the evolution of pathogenic E. coli strains. IMPORTANCE Pathogenic Escherichia coli causes disease in both humans and food-producing animals. E. coli pathogenesis is dependent on a repertoire of virulence factors and antimicrobial resistance genes. Food-borne outbreaks are highly associated with the consumption of undercooked and contaminated food products. This association highlights the need to understand the genetic factors that make E. coli virulent and pathogenic in humans and poultry. This research shows that E. coli isolates originating from human clinical settings and chicken production harbor different antimicrobial resistance genes and virulence factors that can be used to classify them into phylogroups and host origins. In addition, to aid in the repeatability and reproducibility of the results presented in this study, we have made a public repository of the Reads2Resistome pipeline and have provided the accession numbers associated with the E. coli genomes analyzed.
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Antimicrobial Susceptibility Profile of Pathogenic and Commensal Bacteria Recovered from Cattle and Goat Farms. Antibiotics (Basel) 2023; 12:antibiotics12020420. [PMID: 36830330 PMCID: PMC9952079 DOI: 10.3390/antibiotics12020420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 02/05/2023] [Accepted: 02/08/2023] [Indexed: 02/22/2023] Open
Abstract
The use of antibiotics in food animals results to antimicrobial resistant bacteria that complicates the ability to treat infections. The purpose of this study was to investigate the prevalence of pathogenic and commensal bacteria in soil, water, manure, and milk from cattle and goat farms. A total of 285 environmental and 81 milk samples were analyzed for Enterobacteriaceae by using biochemical and PCR techniques. Susceptibility to antibiotics was determined by the Kirby-Bauer disk diffusion technique. A total of 15 different Enterobacteriaceae species were identified from goat and cattle farms. Manure had significantly higher (p < 0.05) Enterobacteriaceae (52.0%) than soil (37.2%), trough water (5.4%), and runoff water (5.4%). There was a significant difference (p < 0.05) in Enterobacteriaceae in goat milk (53.9%) and cow milk (46.2%). Enterobacteriaceae from environment showed 100% resistance to novobiocin, erythromycin, and vancomycin E. coli O157:H7, Salmonella spp., Enterococcus spp., and Listeria monocytogenes displayed three, five, six, and ten. AMR patterns, respectively. NOV-TET-ERY-VAN was the most common phenotype observed in all isolates. Our study suggest that cattle and goat farms are reservoirs of multidrug-resistant bacteria. Food animal producers should be informed on the prudent use of antimicrobials, good agricultural practices, and biosecurity measures.
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Detection of Escherichia coli in Food Samples by Magnetosome-based Biosensor. BIOTECHNOL BIOPROC E 2023. [DOI: 10.1007/s12257-022-0235-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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Abdelaziz AA, Abo Kamer AM, Nosair AM, Al-Madboly LA. Exploring the potential efficacy of phage therapy for biocontrol of foodborne pathogenic extensively drug-resistant Escherichia coli in gastrointestinal tract of rat model. Life Sci 2023; 315:121362. [PMID: 36610637 DOI: 10.1016/j.lfs.2022.121362] [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: 10/31/2022] [Revised: 12/18/2022] [Accepted: 12/29/2022] [Indexed: 01/05/2023]
Abstract
AIM The emergence of extensively drug-resistant (XDR) Escherichia coli leaves little or no therapeutic options for the control of these foodborne pathogens. The goal is to isolate, characterize, and assess the potential efficacy of a bacteriophage in the treatment of an induced gastrointestinal tract infection. MAIN METHODS Sewage water was used to isolate phage phPE42. Transmission electron microscope was used for the visualization of phage morphology. Lysis profile, growth kinetics, and stability studies were determined. The ability of phage to eradicate biofilms was assessed by crystal violet staining, resazurin assay, compound bright field microscope, and confocal laser scanning microscope (CLSM). Moreover, the efficacy of phage phPE42 as a potential therapy was evaluated in a rat model. KEY FINDINGS A newly lytic Myoviridae phage phPE42 was isolated and exhibited broad coverage activity (48.6 %) against E. coli clinical isolates. It demonstrated favorable growth kinetics and relative stability under a variety of challenging conditions. The resazurin colorimetric assay and CLSM provided evidence of phage potential's ability to significantly (P < 0.05) decrease the viability of biofilm-embedded cells. The bacterial burden in animal faeces was effectively eradicated (P < 0.05) by oral administration of phage phPE42. Phage-treated rats exhibited a significant decrease in tissue damage with no signs of inflammation, necrosis, or erosion. Furthermore, phage therapy significantly (P < 0.05) reduced the expression level of the apoptotic marker caspase-3 and the inflammatory cytokine TNF-α. SIGNIFICANCE Treatment with phage phPE42 is considered a promising alternative therapy for the control of severe foodborne infections spurred by pathogenic XDR E. coli.
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Affiliation(s)
- Ahmed A Abdelaziz
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Tanta University, Tanta, Egypt.
| | - Amal M Abo Kamer
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Tanta University, Tanta, Egypt.
| | - Ahmed M Nosair
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Tanta University, Tanta, Egypt.
| | - Lamiaa A Al-Madboly
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Tanta University, Tanta, Egypt.
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Exploring Possible Ways to Enhance the Potential and Use of Natural Products through Nanotechnology in the Battle against Biofilms of Foodborne Bacterial Pathogens. Pathogens 2023; 12:pathogens12020270. [PMID: 36839543 PMCID: PMC9967150 DOI: 10.3390/pathogens12020270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/30/2023] [Accepted: 02/01/2023] [Indexed: 02/10/2023] Open
Abstract
Biofilms enable pathogenic bacteria to survive in unfavorable environments. As biofilm-forming pathogens can cause rapid food spoilage and recurrent infections in humans, especially their presence in the food industry is problematic. Using chemical disinfectants in the food industry to prevent biofilm formation raises serious health concerns. Further, the ability of biofilm-forming bacterial pathogens to tolerate disinfection procedures questions the traditional treatment methods. Thus, there is a dire need for alternative treatment options targeting bacterial pathogens, especially biofilms. As clean-label products without carcinogenic and hazardous potential, natural compounds with growth and biofilm-inhibiting and biofilm-eradicating potentials have gained popularity as natural preservatives in the food industry. However, the use of these natural preservatives in the food industry is restricted by their poor availability, stability during food processing and storage. Also there is a lack of standardization, and unattractive organoleptic qualities. Nanotechnology is one way to get around these limitations and as well as the use of underutilized bioactives. The use of nanotechnology has several advantages including traversing the biofilm matrix, targeted drug delivery, controlled release, and enhanced bioavailability, bioactivity, and stability. The nanoparticles used in fabricating or encapsulating natural products are considered as an appealing antibiofilm strategy since the nanoparticles enhance the activity of the natural products against biofilms of foodborne bacterial pathogens. Hence, this literature review is intended to provide a comprehensive analysis of the current methods in nanotechnology used for natural products delivery (biofabrication, encapsulation, and nanoemulsion) and also discuss the different promising strategies employed in the recent and past to enhance the inhibition and eradication of foodborne bacterial biofilms.
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