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Zhang J, Li T, Tao S, Shen M. Microplastic pollution interaction with disinfectant resistance genes: research progress, environmental impacts, and potential threats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:16241-16255. [PMID: 38340302 DOI: 10.1007/s11356-024-32225-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 01/23/2024] [Indexed: 02/12/2024]
Abstract
The consumption of disposable plastic products and disinfectants has surged during the global COVID-19 pandemic, as they play a vital role in effectively preventing and controlling the spread of the virus. However, microplastic pollution and the excessive or improper use of disinfectants contribute to the increased environmental tolerance of microorganisms. Microplastics play a crucial role as vectors for microorganisms and plankton, facilitating energy transfer and horizontal gene exchange. The increase in the use of disinfectants has become a driving force for the growth of disinfectant resistant bacteria (DRB). A large number of microorganisms can have intense gene exchange, such as plasmid loss and capture, phage transduction, and cell fusion. The reproduction and diffusion rate of DRB in the environment is significantly higher than that of ordinary microorganisms, which will greatly increase the environmental tolerance of DRB. Unfortunately, there is still a huge knowledge gap in the interaction between microplastics and disinfectant resistance genes (DRGs). Accordingly, it is critical to comprehensively summarize the formation and transmission routes of DRGs on microplastics to address the problem. This paper systematically analyzed the process and mechanisms of DRGs formed by microbes. The interaction between microplastics and DRGs and the contribution of microplastic on the diffusion and spread of DRGs were expounded. The potential threats to the ecological environment and human health were also discussed. Additionally, some challenges and future priorities were also proposed with a view to providing useful basis for further research.
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Affiliation(s)
- Jiahao Zhang
- School of Energy and Environment, Anhui University of Technology, Maanshan, Anhui, 243002, People's Republic of China
| | - Tianhao Li
- School of Energy and Environment, Anhui University of Technology, Maanshan, Anhui, 243002, People's Republic of China
| | - Shiyu Tao
- School of Energy and Environment, Anhui University of Technology, Maanshan, Anhui, 243002, People's Republic of China
| | - Maocai Shen
- School of Energy and Environment, Anhui University of Technology, Maanshan, Anhui, 243002, People's Republic of China.
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Shen M, Zhao Y, Liu S, Tao S, Li T, Long H. Can microplastics and disinfectant resistance genes pose conceivable threats to water disinfection process? THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 905:167192. [PMID: 37730038 DOI: 10.1016/j.scitotenv.2023.167192] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 08/13/2023] [Accepted: 09/16/2023] [Indexed: 09/22/2023]
Abstract
Microplastic pollution in the environment has aroused widespread concerns, however, the potential environmental risks caused by excessive use of disinfectants are still unknown. Disinfectants with doses below the threshold can enhance the communication of resistance genes in pathogenic microorganisms, promoting the development and spread of antimicrobial activity. Problematically, the intensification of microplastic pollution and the increase of disinfectant consumption will become a key driving force for the growth of disinfectant resistance bacteria (DRB) and disinfectant resistance genes (DRGs) in the environment. Disinfection plays a crucial role in ensuring water safety, however, the presence of microplastics and DRGs seriously disturb the water disinfection process. Microplastics can reduce the concentration of disinfectant in the local environment around microorganisms and improve their tolerance. Microorganisms can improve their resistance to disinfectants or generate resistance genes via phenotypic adaptation, gene mutations, and horizontal gene transfer. However, very limited information is available on the impact of DRB and DRGs on disinfection process. In this paper, the contribution of microplastics to the migration and transmission of DRGs was analyzed. The challenges posed by the presence of microplastics and DRGs on conventional disinfection were thoroughly discussed. The knowledge gaps faced by relevant current research and further research priorities have been proposed in order to provide a scientific basis in the future.
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Affiliation(s)
- Maocai Shen
- School of Energy and Environment, Anhui University of Technology, Maanshan, Anhui 243002, PR China.
| | - Yifei Zhao
- School of Energy and Environment, Anhui University of Technology, Maanshan, Anhui 243002, PR China
| | - Shiwei Liu
- School of Energy and Environment, Anhui University of Technology, Maanshan, Anhui 243002, PR China
| | - Shiyu Tao
- School of Energy and Environment, Anhui University of Technology, Maanshan, Anhui 243002, PR China
| | - Tianhao Li
- School of Energy and Environment, Anhui University of Technology, Maanshan, Anhui 243002, PR China
| | - Hongming Long
- School of Metallurgical Engineering, Anhui University of Technology, Maanshan, Anhui 243002, PR China.
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Sajeev S, Hamza M, Rajan V, Vijayan A, Sivaraman GK, Shome BR, Holmes MA. Resistance profiles and genotyping of extended-spectrum beta-lactamase (ESBL) -producing and non-ESBL-producing E. coli and Klebsiella from retail market fishes. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2023:105446. [PMID: 37245778 DOI: 10.1016/j.meegid.2023.105446] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 04/13/2023] [Accepted: 05/01/2023] [Indexed: 05/30/2023]
Abstract
Studies on antimicrobial resistance (AMR) profiles and epidemiological affirmation for AMR transmission are limited in fisheries and aquaculture settings. Since 2015, based on Global Action Plan on AMR by World Health Organization (WHO) and World Organization for Animal Health (OIE), several initiatives have been under taken to enhance the knowledge, skills and capacity to establish AMR trends through surveillance and strengthening of epidemiological evidence. The focus of this study was to determine the prevalence of antimicrobial resistance (AMR), its resistance profiles and molecular characterization with respect to phylogroups, antimicrobial resistance genes (ARGs), virulence genes (VGs), quaternary ammonium compounds resistance (QAC) genes and plasmid typing in retail market fishes. Pulse field gel electrophoresis (PFGE) to understand the genetic lineage of the two most important Enterobacteriaceae members, E. coli and Klebsiella sp. was performed. 94 fish samples were collected from three different sites viz., Silagrant (S1), Garchuk (S2) and North Guwahati Town Committee (NGTC) Region (S3) in Guwahati, Assam. Out of the 113 microbial isolates from the fish samples, 45 (39.82%) were E. coli; 23 (20.35%) belonged to Klebsiella genus. Among E. coli, 48.88% (n = 22) of the isolates were alerted by the BD Phoenix M50 instrument as ESBL, 15.55% (n = 7) as PCP and 35.55% (n = 16) as non-ESBL. E. coli (39.82%) was the most prevalent pathogen among the Enterobacteriaceae members screened and showed resistance to ampicillin (69%) followed by cefazoline (64%), cefotaxime (49%) and piperacillin (49%). In the present study, 66.66% of E. coli and 30.43% of Klebsiella sp. were categorized as multi drug resistance (MDR) bacteria. CTX-M-gp-1, with CTX-M-15 variant (47%), was the most widely circulating beta-lactamase gene, while other ESBL genes blaTEM (7%), blaSHV (2%) and blaOXA-1-like (2%) were also identified in E. coli. Out of the 23 isolates of Klebsiella, 14(60.86%) were ampicillin (AM)-resistant (11(47.82%) K. oxytoca, 3(13.04%) K. aerogenes), whereas 8(34.78%) isolates of K. oxytoca showed intermediate resistance to AM. All Klebsiella isolates were susceptible to AN, SCP, MEM and TZP, although two K. aerogenes were resistant to imipenem. DHA and LAT genes were detected, respectively, in 7(16%) and 1(2%) of the E. coli strains while a single K. oxytoca (4.34%) isolate carried MOX, DHA and blaCMY-2 genes. The fluoroquinolone resistance genes identified in E. coli included qnrB (71%), qnrS (84%), oqxB (73%) and aac(6)-Ib-cr (27%); however, in Klebsiella, these genes, respectively, had a prevalence of 87%, 26%, 74% and 9%. The E. coli isolates belonged to phylogroup A(47%), B1(33%) and D(14%). All of the 22(100%) ESBL E. coli had chromosome-mediated disinfectant resistance genes viz., ydgE, ydgF, sugE(c), mdfA while 82% of ESBL E. coli had emrE. Among the non-ESBL E. coli isolates, 87% of them showed the presence of ydgE, ydgF and sugE(c) genes, while 78% of the isolates had mdfA and 39% had emrE genes respectively. 59% of the ESBL and 26% of the non-ESBL E. coli had showed the presence of qacEΔ1. The sugE(p) was present in 27% of the ESBL-producing E. coli and in 9% of non-ESBL isolates. Out of the 3 ESBL-producing Klebsiella isolates, 2(66.66%) K. oxytoca isolates were found harboring plasmid-mediated qacEΔ1 gene while one (33.33%) K. oxytoca isolate had sugE(p) gene. IncFI was the most prevalent plasmid type detected in the isolates studied, with A/C (18%), P (14%), X, Y (9% each) and I1-Iγ (14%, 4%). 50% (n = 11) of the ESBL and 17% (n = 4) of the non-ESBL E. coli isolates harboured IncFIB and 45% (n = 10) ESBL and one (4.34%) non-ESBL E. coli isolates harboured IncFIA. Dominance of E. coli over other Enterobacterales and diverse phylogenetic profiles of E. coli and Klebsiella sp. suggests the possibility of contamination and this may be due to compromised hygienic practices along the supply chain and contamination of aquatic ecosystem. Continuous surveillance in domestic markets must be a priority in addressing antimicrobial resistance in fishery settings and to identify any unwarranted epidemic clones of E. coli and Klebsiella that can challenge public health sector.
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Affiliation(s)
- Sudha Sajeev
- Microbiology, Fermentation and Biotechnology Division, ICAR-Central Institute of Fisheries Technology, Cochin, India
| | - Muneeb Hamza
- Microbiology, Fermentation and Biotechnology Division, ICAR-Central Institute of Fisheries Technology, Cochin, India
| | - Vineeth Rajan
- Microbiology, Fermentation and Biotechnology Division, ICAR-Central Institute of Fisheries Technology, Cochin, India
| | - Ardhra Vijayan
- Microbiology, Fermentation and Biotechnology Division, ICAR-Central Institute of Fisheries Technology, Cochin, India
| | - Gopalan Krishnan Sivaraman
- Microbiology, Fermentation and Biotechnology Division, ICAR-Central Institute of Fisheries Technology, Cochin, India.
| | - Bibek R Shome
- Department of Disease Investigation, ICAR-National Institute of Veterinary Epidemiology and Disease Informatics, Bengaluru, Karnataka, India
| | - Mark A Holmes
- Department of Veterinary Medicine, University of Cambridge, UK
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McCarlie SJ, Boucher CE, Bragg RR. Genomic Islands Identified in Highly Resistant Serratia sp. HRI: A Pathway to Discover New Disinfectant Resistance Elements. Microorganisms 2023; 11:microorganisms11020515. [PMID: 36838480 PMCID: PMC9964261 DOI: 10.3390/microorganisms11020515] [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: 01/13/2023] [Revised: 02/13/2023] [Accepted: 02/14/2023] [Indexed: 02/22/2023] Open
Abstract
Molecular insights into the mechanisms of resistance to disinfectants are severely limited, together with the roles of various mobile genetic elements. Genomic islands are a well-characterised molecular resistance element in antibiotic resistance, but it is unknown whether genomic islands play a role in disinfectant resistance. Through whole-genome sequencing and the bioinformatic analysis of Serratia sp. HRI, an isolate with high disinfectant resistance capabilities, nine resistance islands were predicted and annotated within the genome. Resistance genes active against several antimicrobials were annotated in these islands, most of which are multidrug efflux pumps belonging to the MFS, ABC and DMT efflux families. Antibiotic resistance islands containing genes encoding for multidrug resistance proteins ErmB (macrolide and erythromycin resistance) and biclomycin were also found. A metal fitness island harbouring 13 resistance and response genes to copper, silver, lead, cadmium, zinc, and mercury was identified. In the search for disinfectant resistance islands, two genomic islands were identified to harbour smr genes, notorious for conferring disinfectant resistance. This suggests that genomic islands are capable of conferring disinfectant resistance, a phenomenon that has not yet been observed in the study of biocide resistance and tolerance.
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Basiry D, Entezari Heravi N, Uluseker C, Kaster KM, Kommedal R, Pala-Ozkok I. The effect of disinfectants and antiseptics on co- and cross-selection of resistance to antibiotics in aquatic environments and wastewater treatment plants. Front Microbiol 2022; 13:1050558. [PMID: 36583052 PMCID: PMC9793094 DOI: 10.3389/fmicb.2022.1050558] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 11/21/2022] [Indexed: 12/14/2022] Open
Abstract
The outbreak of the SARS-CoV-2 pandemic led to increased use of disinfectants and antiseptics (DAs), resulting in higher concentrations of these compounds in wastewaters, wastewater treatment plant (WWTP) effluents and receiving water bodies. Their constant presence in water bodies may lead to development and acquisition of resistance against the DAs. In addition, they may also promote antibiotic resistance (AR) due to cross- and co-selection of AR among bacteria that are exposed to the DAs, which is a highly important issue with regards to human and environmental health. This review addresses this issue and provides an overview of DAs structure together with their modes of action against microorganisms. Relevant examples of the most effective treatment techniques to increase the DAs removal efficiency from wastewater are discussed. Moreover, insight on the resistance mechanisms to DAs and the mechanism of DAs enhancement of cross- and co-selection of ARs are presented. Furthermore, this review discusses the impact of DAs on resistance against antibiotics, the occurrence of DAs in aquatic systems, and DA removal mechanisms in WWTPs, which in principle serve as the final barrier before releasing these compounds into the receiving environment. By recognition of important research gaps, research needs to determine the impact of the majority of DAs in WWTPs and the consequences of their presence and spread of antibiotic resistance were identified.
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Affiliation(s)
- Daniel Basiry
- Department of Chemistry, Bioscience and Environmental Engineering, Faculty of Science and Technology, University of Stavanger, Stavanger, Norway
| | - Nooshin Entezari Heravi
- Department of Chemistry, Bioscience and Environmental Engineering, Faculty of Science and Technology, University of Stavanger, Stavanger, Norway
| | - Cansu Uluseker
- School of Biosciences, University of Birmingham, Birmingham, United Kingdom
| | - Krista Michelle Kaster
- Department of Chemistry, Bioscience and Environmental Engineering, Faculty of Science and Technology, University of Stavanger, Stavanger, Norway
| | - Roald Kommedal
- Department of Chemistry, Bioscience and Environmental Engineering, Faculty of Science and Technology, University of Stavanger, Stavanger, Norway
| | - Ilke Pala-Ozkok
- Department of Chemistry, Bioscience and Environmental Engineering, Faculty of Science and Technology, University of Stavanger, Stavanger, Norway
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Neuhaus S, Feßler AT, Dieckmann R, Thieme L, Pletz MW, Schwarz S, Al Dahouk S. Towards a Harmonized Terminology: A Glossary for Biocide Susceptibility Testing. Pathogens 2022; 11:1455. [PMID: 36558789 PMCID: PMC9780826 DOI: 10.3390/pathogens11121455] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 11/24/2022] [Accepted: 11/29/2022] [Indexed: 12/03/2022] Open
Abstract
Disinfection is a key strategy to reduce the burden of infections. The contact of bacteria to biocides-the active substances of disinfectants-has been linked to bacterial adaptation and the development of antimicrobial resistance. Currently, there is no scientific consensus on whether the excessive use of biocides contributes to the emergence and spread of multidrug resistant bacteria. The comprehensive analysis of available data remains a challenge because neither uniform test procedures nor standardized interpretive criteria nor harmonized terms are available to describe altered bacterial susceptibility to biocides. In our review, we investigated the variety of criteria and the diversity of terms applied to interpret findings in original studies performing biocide susceptibility testing (BST) of field isolates. An additional analysis of reviews summarizing the knowledge of individual studies on altered biocide susceptibility provided insights into currently available broader concepts for data interpretation. Both approaches pointed out the urgent need for standardization. We, therefore, propose that the well-established and approved concepts for interpretation of antimicrobial susceptibility testing data should serve as a role model to evaluate biocide resistance mechanisms on a single cell level. Furthermore, we emphasize the adaptations necessary to acknowledge the specific needs for the evaluation of BST data. Our approach might help to increase scientific awareness and acceptance.
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Affiliation(s)
- Szilvia Neuhaus
- German Federal Institute for Risk Assessment, 10589 Berlin, Germany
| | - Andrea T. Feßler
- Centre for Infection Medicine, Department of Veterinary Medicine, Institute of Microbiology and Epizootics, Freie Universität Berlin, 14163 Berlin, Germany
- Veterinary Centre for Resistance Research (TZR), Freie Universität Berlin, 14163 Berlin, Germany
| | - Ralf Dieckmann
- German Federal Institute for Risk Assessment, 10589 Berlin, Germany
| | - Lara Thieme
- Institute of Infectious Diseases and Infection Control, Jena University Hospital, Friedrich-Schiller-University Jena, 07747 Jena, Germany
- Leibniz Center for Photonics in Infection Research, Jena University Hospital, Friedrich Schiller University Jena, 07747 Jena, Germany
| | - Mathias W. Pletz
- Institute of Infectious Diseases and Infection Control, Jena University Hospital, Friedrich-Schiller-University Jena, 07747 Jena, Germany
| | - Stefan Schwarz
- Centre for Infection Medicine, Department of Veterinary Medicine, Institute of Microbiology and Epizootics, Freie Universität Berlin, 14163 Berlin, Germany
- Veterinary Centre for Resistance Research (TZR), Freie Universität Berlin, 14163 Berlin, Germany
| | - Sascha Al Dahouk
- German Federal Institute for Risk Assessment, 10589 Berlin, Germany
- Department of Internal Medicine, RWTH Aachen University Hospital, 52074 Aachen, Germany
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Ramamurthy T, Ghosh A, Chowdhury G, Mukhopadhyay AK, Dutta S, Miyoshi SI. Deciphering the genetic network and programmed regulation of antimicrobial resistance in bacterial pathogens. Front Cell Infect Microbiol 2022; 12:952491. [PMID: 36506027 PMCID: PMC9727169 DOI: 10.3389/fcimb.2022.952491] [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: 05/25/2022] [Accepted: 10/25/2022] [Indexed: 11/24/2022] Open
Abstract
Antimicrobial resistance (AMR) in bacteria is an important global health problem affecting humans, animals, and the environment. AMR is considered as one of the major components in the "global one health". Misuse/overuse of antibiotics in any one of the segments can impact the integrity of the others. In the presence of antibiotic selective pressure, bacteria tend to develop several defense mechanisms, which include structural changes of the bacterial outer membrane, enzymatic processes, gene upregulation, mutations, adaptive resistance, and biofilm formation. Several components of mobile genetic elements (MGEs) play an important role in the dissemination of AMR. Each one of these components has a specific function that lasts long, irrespective of any antibiotic pressure. Integrative and conjugative elements (ICEs), insertion sequence elements (ISs), and transposons carry the antimicrobial resistance genes (ARGs) on different genetic backbones. Successful transfer of ARGs depends on the class of plasmids, regulons, ISs proximity, and type of recombination systems. Additionally, phage-bacterial networks play a major role in the transmission of ARGs, especially in bacteria from the environment and foods of animal origin. Several other functional attributes of bacteria also get successfully modified to acquire ARGs. These include efflux pumps, toxin-antitoxin systems, regulatory small RNAs, guanosine pentaphosphate signaling, quorum sensing, two-component system, and clustered regularly interspaced short palindromic repeats (CRISPR) systems. The metabolic and virulence state of bacteria is also associated with a range of genetic and phenotypic resistance mechanisms. In spite of the availability of a considerable information on AMR, the network associations between selection pressures and several of the components mentioned above are poorly understood. Understanding how a pathogen resists and regulates the ARGs in response to antimicrobials can help in controlling the development of resistance. Here, we provide an overview of the importance of genetic network and regulation of AMR in bacterial pathogens.
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Affiliation(s)
- Thandavarayan Ramamurthy
- Division of Bacteriology, ICMR-National Institute of Cholera and Enteric Diseases, Kolkata, India,*Correspondence: Thandavarayan Ramamurthy,
| | - Amit Ghosh
- Division of Bacteriology, ICMR-National Institute of Cholera and Enteric Diseases, Kolkata, India
| | - Goutam Chowdhury
- Division of Bacteriology, ICMR-National Institute of Cholera and Enteric Diseases, Kolkata, India
| | - Asish K. Mukhopadhyay
- Division of Bacteriology, ICMR-National Institute of Cholera and Enteric Diseases, Kolkata, India
| | - Shanta Dutta
- Division of Bacteriology, ICMR-National Institute of Cholera and Enteric Diseases, Kolkata, India
| | - Shin-inchi Miyoshi
- Collaborative Research Centre of Okayama University for Infectious Diseases at ICMR- National Institute of Cholera and Enteric Diseases, Kolkata, India,Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
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Draft Genome Sequences of Multidrug-Resistant Shiga Toxin-Producing Escherichia coli O116:H25 Strains from Ready-to-Eat Foods Sold in Lagos, Nigeria. Microbiol Resour Announc 2022; 11:e0031422. [PMID: 35862915 PMCID: PMC9387260 DOI: 10.1128/mra.00314-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Draft genomes of multidrug-resistant Shiga toxin-producing Escherichia coli (STEC) strains IPK9(1) and IKS1(2), which were isolated from ready-to-eat foods (kokoro and shawarma) sold in Lagos, Nigeria, are reported. The genomes possessed genetic determinants for virulence and the antibiotic resistance gene for macrolide-associated resistance mdf(A). Ready-to-eat foods increase public health threats in Nigeria.
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Abdallah HM, Al Naiemi N, Elsohaby I, Mahmoud AFA, Salem GA, Vandenbroucke-Grauls CMJE. Prevalence of extended-spectrum β-lactamase-producing Enterobacterales in retail sheep meat from Zagazig city, Egypt. BMC Vet Res 2022; 18:191. [PMID: 35596221 PMCID: PMC9121610 DOI: 10.1186/s12917-022-03294-5] [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: 01/20/2022] [Accepted: 05/09/2022] [Indexed: 11/15/2022] Open
Abstract
Background The goal of this study was to investigate the prevalence of extended-spectrum β-lactamase production in Enterobacterales isolated from retail sheep meat in Zagazig, Egypt. Methods One hundred random samples of sheep meat were collected from different retail butcher shops (n = 5) in the city of Zagazig, Egypt. Bacterial isolates were identified by MALDI-TOF MS and screened for antibiotic susceptibility by disk diffusion; further genotypic characterization of β-lactamase-encoding genes was performed with Real-Time PCR. E. coli strains were phylotyped with the Clermont triplex PCR method. Results Of the total of 101 bacterial isolates recovered from retail sheep meat samples, 93 were E. coli, six were Enterobacter cloacae and two were Proteus mirabilis. As many as 17% of these 100 samples showed ESBL phenotypes, all were E. coli. The blaCTX-M genes were detected in seven isolates (six were blaCTX-M-15 and one was blaCTX-M-14), three isolates harboured blaTEM (all were blaTEM-one), and two carried genes of the blaSHV family (both were blaSHV-12). Eight E. coli isolates expressed ESBL phenotype but no blaTEM, blaSHV or blaCTX-M genes were detected by PCR. ESBL- positive E. coli isolates were nearly equally distributed over the commensal groups A/B1 and the virulent group D. Conclusion Nearly one in five sheep meat samples was contaminated with ESBL-E. coli. This further corroborates the potential role played by contaminated meat in the increasing resistance rates that have been reported worldwide.
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Affiliation(s)
- H M Abdallah
- Department of Microbiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt.
| | - N Al Naiemi
- Medical Microbiology and Infection Control, VU University Medical Center, Amsterdam, The Netherlands
| | - Ibrahim Elsohaby
- Department of Infectious Diseases and Public Health, Jockey Club of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong, China.,Department of Animal Medicine, Division of Infectious Diseases, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Abdallah F A Mahmoud
- Food Control Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Gamal A Salem
- Department of Pharmacology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
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Prevalence and characterisation of antimicrobial resistance genes and class 1 and 2 integrons in multiresistant Escherichia coli isolated from poultry production. Sci Rep 2022; 12:6062. [PMID: 35410349 PMCID: PMC9001716 DOI: 10.1038/s41598-022-09996-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 03/29/2022] [Indexed: 12/29/2022] Open
Abstract
A global increase in the populations of drug resistant bacteria exerts negative effects on animal production and human health. Our study has been focused on the assessment of resistance determinants in relation to phenotypic resistance of the 74 commensal E. coli isolates present in different ecological environments. The samples were collected from poultry litter, feces, and neck skin. Among the microorganisms isolated from the poultry litter (group A), the highest resistance was noted against AMP and DOX (100%). In the E. coli extracts from the cloacal swabs (group B), the highest resistance was observed against AMP (100%) and CIP (92%). The meat samples (group C) were characterized by resistance to AMP (100%) and STX (94.7%). Genes encoding resistance to β-lactams (blaTEM, blaCTX-M), fluoroquinolones (qnrA, qnrB, qnrS), aminoglycosides (strA-strB, aphA1, aac(3)-II), sulfonamides (sul1, sul2, sul3), trimethoprim (dfr1, dfr5, dfr7/17) and tetracyclines (tetA, tetB) were detected in the studied bacterial isolates. The presence of class 1 and 2 integrons was confirmed in 75% of the MDR E. coli isolates (plasmid DNA), of which 60% contained class 1 integrons, 15% contained class 2 integrons, and 11.7% carried integrons of both classes. Thus, it may be concluded that integrons are the common mediators of antimicrobial resistance among commensal multidrug resistant Escherichia coli at important stages of poultry production.
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Nature-Inspired Antimicrobial Surfaces and Their Potential Applications in Food Industries. Foods 2022; 11:foods11060844. [PMID: 35327267 PMCID: PMC8949295 DOI: 10.3390/foods11060844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/09/2022] [Accepted: 03/12/2022] [Indexed: 11/16/2022] Open
Abstract
Antimicrobial resistance (AMR) is a growing global concern and has called for the integration of different areas of expertise for designing robust solutions. One such approach is the development of antimicrobial surfaces to combat the emerging resistance in microbes against drugs and disinfectants. This review is a compressive summary of the work done in the field of material science, chemistry, and microbiology in the development of antimicrobial materials and surfaces that are inspired by examples in nature. The focus includes examples of natural antimicrobial surfaces, such as cicada wings or nanopillars, dragonfly wings, shrimp shells, taro leaves, lotus leaves, sharkskin, gecko skin, and butterfly wings, along with their mechanism of action. Techniques, compositions, and combinations that have been developed to synthetically mimic these surfaces against bacterial/viral and fungal growth in food-processing areas have also been discussed. The applications of synthetic mimics of natural antimicrobial surfaces in food-processing environments is still a naïve area of research. However, this review highlights the potential applications of natural antimicrobial surfaces in the food-processing environment as well as outlines the challenges that need mitigations.
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Salcedo-Sora JE, Robison ATR, Zaengle-Barone J, Franz KJ, Kell DB. Membrane Transporters Involved in the Antimicrobial Activities of Pyrithione in Escherichia coli. Molecules 2021; 26:molecules26195826. [PMID: 34641370 PMCID: PMC8510280 DOI: 10.3390/molecules26195826] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/16/2021] [Accepted: 09/20/2021] [Indexed: 02/06/2023] Open
Abstract
Pyrithione (2-mercaptopyridine-N-oxide) is a metal binding modified pyridine, the antibacterial activity of which was described over 60 years ago. The formulation of zinc-pyrithione is commonly used in the topical treatment of certain dermatological conditions. However, the characterisation of the cellular uptake of pyrithione has not been elucidated, although an unsubstantiated assumption has persisted that pyrithione and/or its metal complexes undergo a passive diffusion through cell membranes. Here, we have profiled specific membrane transporters from an unbiased interrogation of 532 E. coli strains of knockouts of genes encoding membrane proteins from the Keio collection. Two membrane transporters, FepC and MetQ, seemed involved in the uptake of pyrithione and its cognate metal complexes with copper, iron, and zinc. Additionally, the phenotypes displayed by CopA and ZntA knockouts suggested that these two metal effluxers drive the extrusion from the bacterial cell of potentially toxic levels of copper, and perhaps zinc, which hyperaccumulate as a function of pyrithione. The involvement of these distinct membrane transporters contributes to the understanding of the mechanisms of action of pyrithione specifically and highlights, more generally, the important role that membrane transporters play in facilitating the uptake of drugs, including metal-drug compounds.
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Affiliation(s)
- Jesus Enrique Salcedo-Sora
- Department of Biochemistry and Systems Biology, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Crown St., Liverpool L69 7ZB, UK
- Correspondence: (J.E.S.-S.); (K.J.F.); (D.B.K.)
| | - Amy T. R. Robison
- Department of Chemistry, Duke University, 124 Science Drive, Durham, NC 27708, USA; (A.T.R.R.); (J.Z.-B.)
| | - Jacqueline Zaengle-Barone
- Department of Chemistry, Duke University, 124 Science Drive, Durham, NC 27708, USA; (A.T.R.R.); (J.Z.-B.)
| | - Katherine J. Franz
- Department of Chemistry, Duke University, 124 Science Drive, Durham, NC 27708, USA; (A.T.R.R.); (J.Z.-B.)
- Correspondence: (J.E.S.-S.); (K.J.F.); (D.B.K.)
| | - Douglas B. Kell
- Department of Biochemistry and Systems Biology, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Crown St., Liverpool L69 7ZB, UK
- Novo Nordisk Foundation Centre for Biosustainability, Technical University of Denmark, Building 220, Kemitorvet, 2800 Kgs Lyngby, Denmark
- Correspondence: (J.E.S.-S.); (K.J.F.); (D.B.K.)
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Li S, Wei R, Lin Y, Feng Z, Zhang Z, Wang Z, Chen Y, Ma J, Yan Y, Sun J, Sun T, Chen Z, Li S, Wang H. A Preliminary Study of Antibiotic Resistance Genes in Domestic Honey Produced in China. Foodborne Pathog Dis 2021; 18:859-866. [PMID: 34415782 DOI: 10.1089/fpd.2020.2877] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Antibiotic resistance genes (ARGs) are emerging contaminants that pose a health risk to humans worldwide. Little information on ARGs in bee honey is available. This study profiles ARGs in bee honey samples produced in China, the biggest producer in the world. Of 317 known ARGs encoding resistance to 8 classes of antibiotics, 212 were found in collected honey samples by a real-time quantitative polymerase chain reaction approach. Occurrence frequencies of genes providing resistance to FCA (fluoroquinolone, quinolone, florfenicol, chloramphenicol, and amphenicol) and aminoglycosides were 21.0% and 18.5%, respectively. Frequencies of genes encoding efflux pumps were 42.5% and those of destructase genes 36.6%, indicating that these two mechanisms were predominant for resistance. Nine plasmid-mediated quinolone resistance genes were detected. Of the nine transposase genes known to be involved in antibiotic resistance, eight were found in the samples examined, with tnpA-4, tnpA-5, and tnpA-6 being more abundant. The abundance of the transposase genes was associated with genes conferring resistance to tetracyclines (r = 0.648, p < 0.01), macrolide-lincosamide-streptogramin B (r = 0.642, p < 0.01), FCA (r = 0.517, p < 0.01), and aminoglycosides (r = 0.401, 0.01 < p < 0.05). This is the first study on the abundance and diversity of ARGs in Chinese bee honey products. These findings suggest that bee honey may be a significant source of ARGs that might pose threat to public health. Further research is required to collect more samples in diverse geographic regions in China to make a more comprehensive judgment of ARG in bee honey.
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Affiliation(s)
- Sisi Li
- Shanghai Key Laboratory of Veterinary Biotechnology, Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Areas, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Renjie Wei
- Shanghai Key Laboratory of Veterinary Biotechnology, Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Areas, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Yingzheng Lin
- Technical Center for Animal, Plant, and Food Inspection and Quarantine of Shanghai Customs, Shanghai, China
| | - Zhu Feng
- Shanghai Key Laboratory of Veterinary Biotechnology, Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Areas, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Zhenyang Zhang
- Shanghai Key Laboratory of Veterinary Biotechnology, Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Areas, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Zhaofei Wang
- Shanghai Key Laboratory of Veterinary Biotechnology, Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Areas, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Yuqiang Chen
- Shanghai Key Laboratory of Veterinary Biotechnology, Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Areas, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Jingjiao Ma
- Shanghai Key Laboratory of Veterinary Biotechnology, Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Areas, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Yaxian Yan
- Shanghai Key Laboratory of Veterinary Biotechnology, Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Areas, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Jianhe Sun
- Shanghai Key Laboratory of Veterinary Biotechnology, Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Areas, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Tao Sun
- Shanghai Key Laboratory of Veterinary Biotechnology, Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Areas, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Zhifei Chen
- Technical Center for Animal, Plant, and Food Inspection and Quarantine of Shanghai Customs, Shanghai, China
| | - Shuqing Li
- Technical Center for Animal, Plant, and Food Inspection and Quarantine of Shanghai Customs, Shanghai, China
| | - Hengan Wang
- Shanghai Key Laboratory of Veterinary Biotechnology, Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Areas, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
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Elabbasy MT, Hussein MA, Algahtani FD, Abd El-Rahman GI, Morshdy AE, Elkafrawy IA, Adeboye AA. MALDI-TOF MS Based Typing for Rapid Screening of Multiple Antibiotic Resistance E. coli and Virulent Non-O157 Shiga Toxin-Producing E. coli Isolated from the Slaughterhouse Settings and Beef Carcasses. Foods 2021; 10:foods10040820. [PMID: 33920071 PMCID: PMC8069270 DOI: 10.3390/foods10040820] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/26/2021] [Accepted: 04/07/2021] [Indexed: 11/23/2022] Open
Abstract
Background: The emergence of multiple antibiotic resistance (MAR) Escherichia coli (E. coli) and virulent non-O157 Shiga toxin-producing Escherichia coli (STEC) poses a growing concern to the meat industry. Non-O157 STEC strains including O26, O45, O103, O111, O121, and O145 have been implicated in the occurrence of bloody diarrhea and hemolytic uremic syndrome in humans. This research assessed prevalence, matrix-assisted laser desorption/ionization-time of flight mass-spectrometry (MALDI-TOF MS) protein mass-spectra profiles, multidrug-resistance traits, polymerase chain reaction detection of virulence, and antibiotic-resistance genes of E. coli isolated from beef carcasses and slaughterhouse environments. Methods: A total of 180 convenience sponge samples were collected from two different sources-specific parts of beef carcasses and surfaces of the processing environment at the slaughterhouse of Ha′il, Saudi Arabia between September and November 2020. MALDI BioTyper and phylotype-based identification methods accurately identified and classified the samples as belonging to the genus belonging to the Escherichia coli domain of bacteria (NCBI txid: 562). Results: Expected changes were seen in the mass peak spectrum defining nine closely related isolates and four unrelated E. coli isolates. Serological typing of E. coli revealed enterotoxigenic E. coli O166 (19.10%); enteropathogenic E. coli O146 (16.36%) and O44 (18.18%); enterohemorrhagic E. coli O111 (31.18%) and O26 (14.54%). Forty-five percent of examined E. coli were resistant to seven antimicrobials; 75% of 20 selected isolates were resistant to three or more antimicrobials. phoA and blaTEM genes were detected in all selected E. coli isolates. Conclusion: This study confirmed the efficiency and validity of Matrix-assisted laser desorption/ionization time of flight mass-spectrometry in screening for multi-drug resistant E. coli isolated from slaughterhouse derived beef carcasses in Ha’il, Saudi Arabia. We contributed by revealing the distinction between related and non-related strains of E.coli in livestock. The findings in this study can inform improved policy development decision making and resource allocation related to livestock processing regarding antimicrobial use in food animals and rapid screening for effective multiple antibiotic resistance E. coli and virulent non-O157 STEC control in the slaughterhouses.
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Affiliation(s)
- Mohamed Tharwat Elabbasy
- Public Health Department, College of Public Health and Health Informatics, Ha’il University, Ha’il 2440, Saudi Arabia; (F.D.A.); (A.A.A.)
- Food Control Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt; (M.A.H.); (A.E.M.)
- Correspondence: ; Tel.: +9-665-4689-7569
| | - Mohamed A. Hussein
- Food Control Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt; (M.A.H.); (A.E.M.)
| | - Fahad Dhafer Algahtani
- Public Health Department, College of Public Health and Health Informatics, Ha’il University, Ha’il 2440, Saudi Arabia; (F.D.A.); (A.A.A.)
| | - Ghada I. Abd El-Rahman
- Department of Clinical Pathology, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt;
| | - Alaa Eldin Morshdy
- Food Control Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt; (M.A.H.); (A.E.M.)
| | - Ibrahim A. Elkafrawy
- Department of Psychological Sciences, Faculty of Early Childhood Education, University of Sadat City, Sadat City 32897, Egypt;
| | - Adeniyi A. Adeboye
- Public Health Department, College of Public Health and Health Informatics, Ha’il University, Ha’il 2440, Saudi Arabia; (F.D.A.); (A.A.A.)
- Department of Public Health, University of Texas Health Sciences at Houston, Houston, TX 77030, USA
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Tong C, Hu H, Chen G, Li Z, Li A, Zhang J. Disinfectant resistance in bacteria: Mechanisms, spread, and resolution strategies. ENVIRONMENTAL RESEARCH 2021; 195:110897. [PMID: 33617866 DOI: 10.1016/j.envres.2021.110897] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 02/02/2021] [Accepted: 02/15/2021] [Indexed: 05/19/2023]
Abstract
Disinfectants are widely acknowledged for removing microorganisms from the surface of the objects and transmission media. However, the emergence of disinfectant resistance has become a severe threat to the safety of life and health and the rational allocation of resources due to the reduced disinfectant effectiveness. The horizontal gene transfer (HGT) of disinfectant resistance genes has also expanded the resistant flora, making the situation worse. This review focused on the resistance mechanisms of disinfectant resistant bacteria on biofilms, cell membrane permeability, efflux pumps, degradable enzymes, and disinfectant targets. Efflux can be the fastest and most effective resistance mechanism for bacteria to respond to stress. The qac genes, located on some plasmids which can transmit resistance through conjugative transfer, are the most commonly reported in the study of disinfectant resistance genes. Whether the qac genes can be transferred through transformation or transduction is still unclear. Studying the factors affecting the resistance of bacteria to disinfectants can find breakthrough methods to more adequately deal with the problem of reduced disinfectant effectiveness. It has been confirmed that the interaction of probiotics and bacteria or the addition of 4-oxazolidinone can inhibit the formation of biofilms. Chemicals such as eugenol and indole derivatives can increase bacterial sensitivity by reducing the expression of efflux pumps. The role of these findings in anti-disinfectant resistance has proved invaluable.
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Affiliation(s)
- Chaoyu Tong
- Collage of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China.
| | - Hong Hu
- Collage of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China.
| | - Gang Chen
- College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China.
| | - Zhengyan Li
- Collage of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China.
| | - Aifeng Li
- Collage of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China.
| | - Jianye Zhang
- College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China.
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Genetic but No Phenotypic Associations between Biocide Tolerance and Antibiotic Resistance in Escherichia coli from German Broiler Fattening Farms. Microorganisms 2021; 9:microorganisms9030651. [PMID: 33801066 PMCID: PMC8003927 DOI: 10.3390/microorganisms9030651] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/18/2021] [Accepted: 03/19/2021] [Indexed: 12/18/2022] Open
Abstract
Biocides are frequently applied as disinfectants in animal husbandry to prevent the transmission of drug-resistant bacteria and to control zoonotic diseases. Concerns have been raised, that their use may contribute to the selection and persistence of antimicrobial-resistant bacteria. Especially, extended-spectrum β-lactamase- and AmpC β-lactamase-producing Escherichia coli have become a global health threat. In our study, 29 ESBL-/AmpC-producing and 64 NON-ESBL-/AmpC-producing E.coli isolates from three German broiler fattening farms collected in 2016 following regular cleaning and disinfection were phylogenetically characterized by whole genome sequencing, analyzed for phylogenetic distribution of virulence-associated genes, and screened for determinants of and associations between biocide tolerance and antibiotic resistance. Of the 30 known and two unknown sequence types detected, ST117 and ST297 were the most common genotypes. These STs are recognized worldwide as pandemic lineages causing disease in humans and poultry. Virulence determinants associated with extraintestinal pathogenic E.coli showed variable phylogenetic distribution patterns. Isolates with reduced biocide susceptibility were rarely found on the tested farms. Nine isolates displayed elevated MICs and/or MBCs of formaldehyde, chlorocresol, peroxyacetic acid, or benzalkonium chloride. Antibiotic resistance to ampicillin, trimethoprim, and sulfamethoxazole was most prevalent. The majority of ESBL-/AmpC-producing isolates carried blaCTX-M (55%) or blaCMY-2 (24%) genes. Phenotypic biocide tolerance and antibiotic resistance were not interlinked. However, biocide and metal resistance determinants were found on mobile genetic elements together with antibiotic resistance genes raising concerns that biocides used in the food industry may lead to selection pressure for strains carrying acquired resistance determinants to different antimicrobials.
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Rhouma M, Romero-Barrios P, Gaucher ML, Bhachoo S. Antimicrobial resistance associated with the use of antimicrobial processing aids during poultry processing operations: cause for concern? Crit Rev Food Sci Nutr 2020; 61:3279-3296. [PMID: 32744054 DOI: 10.1080/10408398.2020.1798345] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Antimicrobial resistance has become a global issue and a threat to human and animal health. Contamination of poultry carcasses with meat-borne pathogens represents both an economic and a public health concern. The use of antimicrobial processing aids (APA) during poultry processing has contributed to an improvement in the microbiological quality of poultry carcasses. However, the extensive use of these decontaminants has raised concerns about their possible role in the co-selection of antibiotic-resistant bacteria. This topic is presented in the current review to provide an update on the information related to bacterial adaptation to APA used in poultry processing establishments, and to discuss the relationship between APA bacterial adaptation and the acquisition of a new resistance phenotype to therapeutic antimicrobials by bacteria. Common mechanisms such as active efflux and changes in membrane fluidity are the most documented mechanisms responsible for bacterial cross-resistance to APA and antimicrobials. Although most studies reported a bacterial resistance to antibiotics not reaching a clinical level, the under-exposure of bacteria to APA remains a concern in the poultry industry. Further research is needed to determine if APA used during poultry processing and therapeutic antimicrobials share common sites of action in bacteria and encounter similar mechanisms of resistance.
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Affiliation(s)
- Mohamed Rhouma
- Canadian Food Inspection Agency, St-Hyacinthe, Quebec, Canada
| | | | - Marie-Lou Gaucher
- Department of Pathology and Microbiology, Faculty of Veterinary Medicine, Université de Montréal, Quebec, Canada
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González F, Araque M. Molecular typing, antibiotic resistance profiles and biocide susceptibility in Salmonella enterica serotypes isolated from raw chicken meat marketed in Venezuela. Germs 2019; 9:81-88. [PMID: 31341835 DOI: 10.18683/germs.2019.1161] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 05/13/2019] [Accepted: 05/23/2019] [Indexed: 11/08/2022]
Abstract
Introduction Salmonella is a common bacterial cause of foodborne diarrhea worldwide. The purpose of this study was to characterize antimicrobial resistance and susceptibility to biocides in Salmonella enterica serotypes isolated from raw chicken meat, as well as to study the genetic relationship between strains and virulence profiles. Methods Nine Salmonella enterica strains (5 S. Heidelberg; 2 S. Enteritidis; 1 S. Typhimurium and 1 S. Meleagridis) recovered from raw chicken meat marketed in the urban area of Mérida, Venezuela, were studied. Phenotypic characterization was based on antimicrobial susceptibility testing as well as detection of extended-spectrum β-lactamases (ESBLs) by double-disc synergy. The susceptibility to biocides was determined using the dilution-neutralization methods. The detection of quinolone resistance-determining regions of gyrA, gyrB, and parC genes, bla ESBLs genes, plasmid-mediated quinolone resistance determinants and virulence genes (invA and spvC) was carried out by PCR. All strains were typed using PFGE. Results Multidrug-resistance was evident in 6 of 9 strains studied. However, all Salmonella serotypes were susceptible to the tested biocides. Genotypic characterization determined that 5 strains harbored the bla CTXM-2, 4 bla TEM-1 and 3 qnrB19 genes. All strains were positive for the invA gene. The spvC gene was detected in 4 of them. PFGE grouped Salmonella strains into 4 different patterns that represented individual serotypes. Conclusions This study provides valuable information on antibiotic resistance, biocide susceptibility profiles, virulence gene content and genetic diversity of Salmonella enterica serotypes isolated from raw chicken meat marketed in Venezuela, and evidenced a health risk for consumers.
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Affiliation(s)
- Fanny González
- MSc, Laboratorio de Microbiología Molecular, Departamento de Microbiología, Facultad de Farmacia y Bioanálisis, Universidad de Los Andes, Mérida 5101, Venezuela
| | - María Araque
- MD, PhD, Laboratorio de Microbiología Molecular, Departamento de Microbiología, Facultad de Farmacia y Bioanálisis, Universidad de Los Andes, Mérida 5101, Venezuela
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Silva AF, Borges A, Giaouris E, Graton Mikcha JM, Simões M. Photodynamic inactivation as an emergent strategy against foodborne pathogenic bacteria in planktonic and sessile states. Crit Rev Microbiol 2018; 44:667-684. [PMID: 30318945 DOI: 10.1080/1040841x.2018.1491528] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Foodborne microbial diseases are still considered a growing public health problem worldwide despite the global continuous efforts to ensure food safety. The traditional chemical and thermal-based procedures applied for microbial growth control in the food industry can change the food matrix and lead to antimicrobial resistance. Moreover, currently applied disinfectants have limited efficiency against biofilms. Therefore, antimicrobial photodynamic therapy (aPDT) has become a novel alternative for controlling foodborne pathogenic bacteria in both planktonic and sessile states. The use of aPDT in the food sector is attractive as it is less likely to cause antimicrobial resistance and it does not promote undesirable nutritional and sensory changes in the food matrix. In this review, aspects on the antimicrobial photodynamic technology applied against foodborne pathogenic bacteria and studied in recent years are presented. The application of photodynamic inactivation as an antibiofilm strategy is also reviewed.
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Affiliation(s)
- Alex Fiori Silva
- a Postgraduate Program of Health Sciences , State University of Maringá , Maringá , Paraná , Brazil.,b LEPABE, Department of Chemical Engineering, Faculty of Engineering , University of Porto , Porto , Portugal
| | - Anabela Borges
- b LEPABE, Department of Chemical Engineering, Faculty of Engineering , University of Porto , Porto , Portugal
| | - Efstathios Giaouris
- c Department of Food Science and Nutrition, Faculty of the Environment , University of the Aegean , Lemnos , Greece
| | | | - Manuel Simões
- b LEPABE, Department of Chemical Engineering, Faculty of Engineering , University of Porto , Porto , Portugal
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Moawad AA, Hotzel H, Awad O, Tomaso H, Neubauer H, Hafez HM, El-Adawy H. Occurrence of Salmonella enterica and Escherichia coli in raw chicken and beef meat in northern Egypt and dissemination of their antibiotic resistance markers. Gut Pathog 2017; 9:57. [PMID: 29075329 PMCID: PMC5648511 DOI: 10.1186/s13099-017-0206-9] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Accepted: 10/10/2017] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND The global incidence of foodborne infections and antibiotic resistance is recently increased and considered of public health concern. Currently, scarcely information is available on foodborne infections and ESBL associated with poultry and beef meat in Egypt. METHODS In total, 180 chicken and beef meat samples as well as internal organs were collected from different districts in northern Egypt. The samples were investigated for the prevalence and antibiotic resistance of Salmonella enterica serovars and Escherichia coli. All isolates were investigated for harbouring class 1 and class 2 integrons. RESULTS Out of 180 investigated samples 15 S. enterica (8.3%) and 21 E. coli (11.7%) were isolated and identified. S. enterica isolates were typed as 9 S. Typhimurium (60.0%), 3 S. Paratyphi A (20.0%), 2 S. Enteritidis (13.3%) and 1 S. Kentucky (6.7%). Twenty-one E. coli isolates were serotyped into O1, O18, O20, O78, O103, O119, O126, O145, O146 and O158. The phenotypic antibiotic resistance profiles of S. enterica serovars to ampicillin, cefotaxime, cefpodoxime, trimethoprim/sulphamethoxazole and tetracycline were 86.7, 80.0, 60.0, 53.3 and 40.0%, respectively. Isolated E. coli were resistant to tetracycline (80.9%), ampicillin (71.4%), streptomycin, trimethoprim/sulphamethoxazole (61.9% for each) and cefotaxime (33.3%). The dissemination of genes coding for ESBL and AmpC β-lactamase in S. enterica isolates included blaCTX-M (73.3%), blaTEM (73.3%) and blaCMY (13.3%). In E. coli isolates blaTEM, blaCTX-M and blaOXA were identified in 52.4, 42.9 and 14.3%, respectively. The plasmid-mediated quinolone resistance genes identified in S. enterica were qnrA (33.3%), qnrB (20.0%) and qnrS (6.7%) while qnrA and qnrB were detected in 33.3% of E. coli isolates. Class 1 integron was detected in 13.3% of S. enterica and in 14.3% of E. coli isolates. Class 2 integron as well as the colistin resistance gene mcr-1 was not found in any of E. coli or S. enterica isolates. CONCLUSIONS This study showed high prevalence of S. enterica and E. coli as foodborne pathogens in raw chicken and beef meat in Nile Delta, Egypt. The emergence of antimicrobial resistance in S. enterica and E. coli isolates is of public health concern in Egypt. Molecular biological investigation elucidated the presence of genes associated with antibiotic resistance as well as class 1 integron in S. enterica and E. coli.
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Affiliation(s)
- Amira A Moawad
- Friedrich-Loeffler-Institut, Institute of Bacterial Infections and Zoonoses, Naumburger Str. 96a, 07743 Jena, Germany.,Bacteriology department, Animal Health Research Institute (AHRI), Mansoura branch, Mansoura, 35516, Egypt
| | - Helmut Hotzel
- Friedrich-Loeffler-Institut, Institute of Bacterial Infections and Zoonoses, Naumburger Str. 96a, 07743 Jena, Germany
| | - Omnia Awad
- Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Herbert Tomaso
- Friedrich-Loeffler-Institut, Institute of Bacterial Infections and Zoonoses, Naumburger Str. 96a, 07743 Jena, Germany
| | - Heinrich Neubauer
- Friedrich-Loeffler-Institut, Institute of Bacterial Infections and Zoonoses, Naumburger Str. 96a, 07743 Jena, Germany
| | - Hafez M Hafez
- Institute of Poultry Diseases, Free University Berlin, Berlin, Germany
| | - Hosny El-Adawy
- Friedrich-Loeffler-Institut, Institute of Bacterial Infections and Zoonoses, Naumburger Str. 96a, 07743 Jena, Germany.,Faculty of Veterinary Medicine, Kafrelsheikh University, Kafr El-Sheikh, 33516 Egypt
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