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Ajayi AO, Odeyemi AT, Akinjogunla OJ, Adeyeye AB, Ayo-ajayi I. Review of antibiotic-resistant bacteria and antibiotic resistance genes within the one health framework. Infect Ecol Epidemiol 2024; 14:2312953. [PMID: 38371518 PMCID: PMC10868463 DOI: 10.1080/20008686.2024.2312953] [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: 05/02/2023] [Accepted: 01/29/2024] [Indexed: 02/20/2024] Open
Abstract
Background: The interdisciplinary One Health (OH) approach recognizes that human, animal, and environmental health are all interconnected. Its ultimate goal is to promote optimal health for all through the exploration of these relationships. Antibiotic resistance (AR) is a public health challenge that has been primarily addressed within the context of human health and clinical settings. However, it has become increasingly evident that antibiotic resistant bacteria (ARB) and antibiotic resistance genes (ARGs) that confer resistance are transmitted and circulated within humans, animals, and the environment. Therefore, to effectively address this issue, antibiotic resistance must also be considered an environmental and livestock/wildlife problem. Objective: This review was carried out to provide a broad overview of the existence of ARB and ARGs in One Health settings. Methods: Relevant studies that placed emphasis on ARB and ARGs were reviewed and key findings were accessed that illustrate the importance of One Health as a measure to tackle growing public and environmental threats. Results: In this review, we delve into the complex interplay of the three components of OH in relation to ARB and ARGs. Antibiotics used in animal husbandry and plants to promote growth, treat, and prevent infectious diseases lead to the development of antibiotic-resistant bacteria in animals. These bacteria are transmitted from animals to humans through food and environmental exposure. The environment plays a critical role in the circulation and persistence of antibiotic-resistant bacteria and genes, posing a significant threat to human and animal health. This article also highlights how ARGs are spread in the environment through the transfer of genetic material between bacteria. This transfer can occur naturally or through human activities such as the use of antibiotics in agriculture and waste management practices. Conclusion: It is important to integrate the One Health approach into the public health system to effectively tackle the emergence and spread of ARB and genes that code for resistance to different antibiotics.
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Affiliation(s)
| | - Adebowale Toba Odeyemi
- Department of Microbiology, Landmark University SDG Groups 2 and 3, Omu-Aran, Kwara State, Nigeria
| | | | | | - Ibiwumi Ayo-ajayi
- Department of Computer Science, Afe Babalola University, Ado Ekiti, Ekiti State, Nigeria
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Smoglica C, Farooq M, Ruffini F, Marsilio F, Di Francesco CE. Microbial Community and Abundance of Selected Antimicrobial Resistance Genes in Poultry Litter from Conventional and Antibiotic-Free Farms. Antibiotics (Basel) 2023; 12:1461. [PMID: 37760756 PMCID: PMC10525487 DOI: 10.3390/antibiotics12091461] [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: 09/05/2023] [Revised: 09/15/2023] [Accepted: 09/18/2023] [Indexed: 09/29/2023] Open
Abstract
In this study, a culture-independent approach was applied to compare the microbiome composition and the abundance of the antimicrobial resistance genes (ARGs) aadA2 for aminoglycosides, tet(A), tet(B), tet(K), and tet(M) for tetracyclines, and mcr-1 for colistin in broiler litter samples collected from conventional and antibiotic-free flocks located in Central Italy. A total of 13 flocks and 26 litter samples, collected at the beginning and at the end of each rearing cycle, were submitted to 16s rRNA sequence analysis and quantitative PCR for targeted ARGs. Firmicutes resulted in the dominant phylum in both groups of flocks, and within it, the Clostridia and Bacilli classes showed a similar distribution. Conversely, in antibiotic-free flocks, a higher frequency of Actinobacteria class and Clostridiaceae, Lactobacillaceae, Corynebacteriaceae families were reported, while in the conventional group, routinely treated with antibiotics for therapeutic purposes, the Bacteroidia class and the Enterobacteriaceae and Bacillaceae families were predominant. All investigated samples were found to be positive for at least one ARG, with the mean values of aadA2 and tet(A) the highest in conventional flocks by a significant margin. The results suggest that antibiotic use can influence the frequency of resistance determinants and the microbial community in poultry flocks, even though other environmental factors should also be investigated more deeply in order to identify additional drivers of antimicrobial resistance.
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Affiliation(s)
- Camilla Smoglica
- Department of Veterinary Medicine, University of Teramo, Loc. Piano D’Accio, 64100 Teramo, Italy; (M.F.); (F.M.); (C.E.D.F.)
| | - Muhammad Farooq
- Department of Veterinary Medicine, University of Teramo, Loc. Piano D’Accio, 64100 Teramo, Italy; (M.F.); (F.M.); (C.E.D.F.)
| | - Fausto Ruffini
- Gesco Consorzio Cooperativo a r.l., 64020 Teramo, Italy;
| | - Fulvio Marsilio
- Department of Veterinary Medicine, University of Teramo, Loc. Piano D’Accio, 64100 Teramo, Italy; (M.F.); (F.M.); (C.E.D.F.)
| | - Cristina Esmeralda Di Francesco
- Department of Veterinary Medicine, University of Teramo, Loc. Piano D’Accio, 64100 Teramo, Italy; (M.F.); (F.M.); (C.E.D.F.)
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Maritati M, Liverani L, Gigante A, Zanoli GA, De Rito G. The First Case of a Drug-Resistant Pasteurella multocida Prosthetic Knee Infection Successfully Treated With Debridement, Antibiotics, and Implant Retention. Cureus 2023; 15:e38389. [PMID: 37265901 PMCID: PMC10231663 DOI: 10.7759/cureus.38389] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/28/2023] [Indexed: 06/03/2023] Open
Abstract
Pasteurella multocida, a zoonotic infectious organism, has most often been described in patients after an animal bite. It can cause a variety of infections ranging from superficial skin infections to more serious systemic infections, such as sepsis and meningitis. P. multocida is a rare but well-recognized cause of prosthetic joint infections. Here, we report the first implant-associated infection caused by drug-resistant (penicillin, ampicillin, amoxicillin/clavulanic acid) P. multocida, which was cured with targeted antimicrobial treatment and debridement, exchange of mobile parts, and retention of the prosthesis. Patients undergoing arthroplasty should be informed of the risks of close contact with pets, especially in light of the worrying phenomena of drug resistance spreading among animals due to the addition of antibiotics in animal feed.
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Affiliation(s)
- Martina Maritati
- Orthopaedics, Casa di Cura Santa Maria Maddalena, Occhiobello, ITA
- Infectious Diseases, University Hospital of Ferrara, Ferrara, ITA
| | - Luca Liverani
- Orthopaedics, Casa di Cura Santa Maria Maddalena, Occhiobello, ITA
| | - Antonio Gigante
- Orthopaedics and Trauma, Polytechnic University of Marche, Ancona, ITA
| | | | - Giuseppe De Rito
- Orthopaedics, Casa di Cura Santa Maria Maddalena, Occhiobello, ITA
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Di Francesco A, Salvatore D, Sakhria S, Bertelloni F, Catelli E, Ben Yahia S, Tlatli A. Colistin Resistance Genes in Broiler Chickens in Tunisia. Animals (Basel) 2023; 13:ani13081409. [PMID: 37106971 PMCID: PMC10135375 DOI: 10.3390/ani13081409] [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: 02/23/2023] [Revised: 03/20/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023] Open
Abstract
Colistin is a polymyxin antibiotic that has been used in veterinary medicine for decades, as a treatment for enterobacterial digestive infections as well as a prophylactic treatment and growth promoter in livestock animals, leading to the emergence and spread of colistin-resistant Gram-negative bacteria and to a great public health concern, considering that colistin is one of the last-resort antibiotics against multidrug-resistant deadly infections in clinical practice. Previous studies performed on livestock animals in Tunisia using culture-dependent methods highlighted the presence of colistin-resistant Gram-negative bacteria. In the present survey, DNA extracted from cloacal swabs from 195 broiler chickens from six farms in Tunisia was tested via molecular methods for the ten mobilized colistin resistance (mcr) genes known so far. Of the 195 animals tested, 81 (41.5%) were mcr-1 positive. All the farms tested were positive, with a prevalence ranging from 13% to 93%. These results confirm the spread of colistin resistance in livestock animals in Tunisia and suggest that the investigation of antibiotic resistance genes by culture-independent methods could be a useful means of conducting epidemiological studies on the spread of antimicrobial resistance.
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Affiliation(s)
- Antonietta Di Francesco
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dell'Emilia, 40064 Bologna, Italy
| | - Daniela Salvatore
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dell'Emilia, 40064 Bologna, Italy
| | - Sonia Sakhria
- Institute of Veterinary Research of Tunisia, University of Tunis El Manar, Tunis 1006, Tunisia
| | | | - Elena Catelli
- Department of Veterinary Medical Sciences, University of Bologna, Ozzano dell'Emilia, 40064 Bologna, Italy
| | - Salma Ben Yahia
- Institute of Veterinary Research of Tunisia, University of Tunis El Manar, Tunis 1006, Tunisia
| | - Aida Tlatli
- Institute of Veterinary Research of Tunisia, University of Tunis El Manar, Tunis 1006, Tunisia
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Onaran Acar B, Cengız G, Goncuoglu M. Vancomycin-variable enterococci in sheep and cattle isolates and whole-genome sequencing analysis of isolates harboring vanM and vanB genes. IRANIAN JOURNAL OF VETERINARY RESEARCH 2023; 24:182-192. [PMID: 38269016 PMCID: PMC10804430 DOI: 10.22099/ijvr.2023.47465.6855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 08/26/2023] [Accepted: 09/11/2023] [Indexed: 01/26/2024]
Abstract
Background Vancomycin resistance encoded by the vanA/B/M genes in enterococci is clinically important because of the transmission of these genes between bacteria. While vancomycin resistance is determined by detecting only vanA and vanB genes by routine analyses, failure to detect vanM resistance causes vancomycin resistance to be overlooked, and clinically appropriate treatment cannot be provided. Aims The study aimed to examine the presence of vanM-positive enterococcal isolates in Ankara, Turkey, and to have detailed information about them with sequence analyses. Methods Caecal samples were collected from sheep and cattle during slaughter at different slaughterhouses in Ankara, Turkey. Enterococci isolates were identified, confirmed, and analyzed for the presence of vanA/B/M genes. Antibiotic resistance profiles of isolates were determined by the broth microdilution method. A whole genome sequence analysis of the isolates harboring the vanM and vanB genes was performed. Results 13.7% of enterococcal isolates were determined as Enterococcus faecium and Enterococcus faecalis. 15% of these isolates contained vanB, and 40% were vanM-positive. S98b and C32 isolates were determined to contain 16 CRISPR-Cas elements. 80% of the enterococci isolates were resistant to nitrofurantoin and 15% to ciprofloxacin. The first vanM-positive vancomycin-variable enterococci (VVE) isolates from food-producing animals were identified, and the S98b strain has been assigned to Genbank with the accession number CP104083.1. Conclusion Therefore, new studies are needed to facilitate the identification of vanM-resistant enterococci and VVE strains.
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Affiliation(s)
- B. Onaran Acar
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, Ankara University, 06110, Altindag, Ankara, Turkey
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Occurrence and Characterisation of Colistin-Resistant Escherichia coli in Raw Meat in Southern Italy in 2018-2020. Microorganisms 2022; 10:microorganisms10091805. [PMID: 36144407 PMCID: PMC9502372 DOI: 10.3390/microorganisms10091805] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/01/2022] [Accepted: 09/06/2022] [Indexed: 02/05/2023] Open
Abstract
Colistin is a last-resort drug for the treatment of infections by carbapenem-resistant Enterobacteriaceae, and the emergence of colistin resistance poses a serious clinical challenge. The aim of this study was to investigate the occurrence of colistin-resistant Escherichia coli in retail meat in Southern Italy in 2018-2020. Of 570 samples, 147 contained E. coli. Two out of 147 (1.4%) E. coli showed a non-wild-type phenotype to colistin and harboured mcr-1. mcr-1 was also detected in a wild-type isolate, resulting in a 2% mcr prevalence. mcr-1-positive isolates originated from turkey meat collected in Apulia (n = 2) and Basilicata (n = 1). A whole-genome sequencing analysis confirmed mcr-1.2 and mcr-1.1 in two and one isolate, respectively. The strains were diverse, belonging to three multi-locus sequence types (ST354, ST410, SLV of ST10) and harbouring genes mediating resistance to antimicrobials in two, six and seven classes. mcr-1 was carried by IncX4 plasmids with high nucleotide similarity to IncX4 plasmids harbouring mcr-1.2 and mcr-1.1 in Enterobacterales from different sources and geographical regions. This is the first study reporting updates on E. coli non-wild-type to colistin from retail meat in Southern Italy, highlighting the importance of phenotypic and genotypic antimicrobial resistance surveillance to contain the dissemination of mcr among E. coli.
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Farooq M, Smoglica C, Ruffini F, Soldati L, Marsilio F, Di Francesco CE. Antibiotic Resistance Genes Occurrence in Conventional and Antibiotic-Free Poultry Farming, Italy. Animals (Basel) 2022; 12:ani12182310. [PMID: 36139170 PMCID: PMC9495165 DOI: 10.3390/ani12182310] [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: 07/27/2022] [Revised: 08/30/2022] [Accepted: 08/30/2022] [Indexed: 11/16/2022] Open
Abstract
Antimicrobial resistance is a complex and widespread problem threatening human and animal health. In poultry farms, a wide distribution of resistant bacteria and their relative genes is described worldwide, including in Italy. In this paper, a comparison of resistance gene distribution in litter samples, recovered from four conventional and four antibiotic-free broiler flocks, was performed to highlight any influence of farming systems on the spreading and maintenance of resistance determinants. Conventional PCR tests, targeting the resistance genes related to the most used antibiotics in poultry farming, along with some critically important antibiotics for human medicine, were applied. In conventional farms, n. 10 out of n. 30 investigated genes were present in at least one sample, the most abundant fragments being the tet genes specific for tetracyclines, followed by those for aminoglycosides and chloramphenicol. All conventional samples resulted negative for colistin, carbapenems, and vancomycin resistance genes. A similar trend was observed for antibiotic-free herds, with n. 13 out of n. 30 amplified genes, while a positivity for the mcr-1 gene, specific for colistin, was observed in one antibiotic-free flock. The statistical analysis revealed a significant difference for the tetM gene, which was found more frequently in the antibiotic-free category. The analysis carried out in this study allowed us to obtain new data about the distribution of resistance patterns in the poultry industry in relation to farming types. The PCR test is a quick and non-expensive laboratory tool for the environmental monitoring of resistance determinants identifying potential indicators of AMR dissemination.
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Affiliation(s)
- Muhammad Farooq
- Faculty of Veterinary Medicine, University of Teramo, Loc. Piano D’Accio, 64100 Teramo, Italy
| | - Camilla Smoglica
- Faculty of Veterinary Medicine, University of Teramo, Loc. Piano D’Accio, 64100 Teramo, Italy
| | | | - Lidia Soldati
- Faculty of Veterinary Medicine, University of Teramo, Loc. Piano D’Accio, 64100 Teramo, Italy
| | - Fulvio Marsilio
- Faculty of Veterinary Medicine, University of Teramo, Loc. Piano D’Accio, 64100 Teramo, Italy
| | - Cristina E. Di Francesco
- Faculty of Veterinary Medicine, University of Teramo, Loc. Piano D’Accio, 64100 Teramo, Italy
- Correspondence: ; Tel.: +39-0861-266869
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Pilot Study on Poultry Meat from Antibiotic Free and Conventional Farms: Can Metagenomics Detect Any Difference? Foods 2022; 11:foods11030249. [PMID: 35159402 PMCID: PMC8834493 DOI: 10.3390/foods11030249] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 01/13/2022] [Indexed: 02/04/2023] Open
Abstract
Antibiotic free farms are increasing in the poultry sector in order to address new EU regulations and consumer concerns. In this pilot study, we investigated whether the efforts of raising chickens without the use antibiotics make any difference in the microbiome of poultry meat eaten by consumers. To this aim we compared the microbiomes characterizing caeca and the corresponding carcasses of two groups of chickens reared, one reared on a conventional farm and one on an antibiotic-free intensive farm. The results showed a clear separation between the taxonomic, functional and antibiotic resistant genes in the caeca of the birds reared on the conventional and antibiotic free farm. However, that separation was completely lost on carcasses belonging to the two groups. The antibiotic-free production resulted in statistically significant lower antimicrobial resistance load in the caeca in comparison to the conventional production. Moreover, the antimicrobial resistance load on carcasses was much higher than in the caeca, without any significant difference between carcasses coming from the two types of farms. All in all, the results of this research highlighted the need to reduce sources of microbial contamination and antimicrobial resistance not only at the farm level but also at the post-harvest one.
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Selmi R, Tayh G, Srairi S, Mamlouk A, Ben Chehida F, Lahmar S, Bouslama M, Daaloul-Jedidi M, Messadi L. Prevalence, risk factors and emergence of extended-spectrum β-lactamase producing-, carbapenem- and colistin-resistant Enterobacterales isolated from wild boar (Sus scrofa) in Tunisia. Microb Pathog 2022; 163:105385. [PMID: 34995748 DOI: 10.1016/j.micpath.2021.105385] [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: 11/01/2021] [Revised: 11/22/2021] [Accepted: 12/30/2021] [Indexed: 11/29/2022]
Abstract
Antimicrobial resistance (AMR) is recognized as an emerging and growing public health problem worldwide. In Tunisia, knowledge is still limited to domestic animals and humans, and only few data are available regarding the role of wildlife. This research determined the antibiotic susceptibility profiles of Beta-lactamase producing Gram-negative bacteria isolated from the faeces of 110 wild boars (Sus scrofa) in northern Tunisia. Fecal samples, obtained post mortem from boar carcasses, were cultured on MacConkey agar and MacConkey agar containing 2 mg/L of cefotaxime. A total of 102 Enterobacterales isolates were identified from 94(85%) fecal samples. Escherichia coli (56, 54%), Citrobacter freundii (14, 13%), Klebsiella oxytoca (11, 10%), and Klebsiella pneumoniae (7, 6%) were the most predominantly identified Enterobacterales. However, Pantoea spp. (4, 4%), Enterobacter spp. (3,3%), Enterobacter cloacae (1, 1%), Enterobacter gergoviae (2, 2%), Proteus mirabilis (2, 2%), Yersinia sp. (1, 1%), and Citrobacter diversus (1, 1%) were rarely identified. Antimicrobial susceptibility tests revealed that 55% (57/102) of the identified strains were multidrug resistant (MDR). A total of 30% (31/102) of the tested isolates were recognized as Extended Spectrum β-Lactamase (ESBL)-producing strains and blaCTX-M-G1, blaTEM, blaSHV β-lactamases were the main encoding genes revealed. Furthermore, identified isolates showed a high level of AMR, especially for amoxicillin-clavulanic acid (77.67%), ticarcillin-clavulanic acid (71.85%), streptomycin (76.69%), amoxicillin (75.73%), and cephalotin (74.76%). Alarming levels of resistance to colistin (2.9%) and ertapenem (9.7%) were revealed and confirmed by the detection of mcr-1, and blaIMP and blaVIM genes, respectively. Various phenotypes of AMR were obtained in this study highlighting the important role of wild boars as hosts and even carriers for several resistant Enterobacterales isolates. This may represents a focal risk factor allowing the transmission of these strains between domestic, wild animals, environment and humans.
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Affiliation(s)
- Rachid Selmi
- Service de Microbiologie et Immunologie, Ecole Nationale de Médecine Vétérinaire de Sidi Thabet. Université de la Manouba, Tunisia; Ministère de la Défense Nationale, Direction Générale de la Santé Militaire, Service Vétérinaire, Tunis, Tunisia
| | - Ghassan Tayh
- Service de Microbiologie et Immunologie, Ecole Nationale de Médecine Vétérinaire de Sidi Thabet. Université de la Manouba, Tunisia
| | - Sinda Srairi
- Service de Microbiologie et Immunologie, Ecole Nationale de Médecine Vétérinaire de Sidi Thabet. Université de la Manouba, Tunisia
| | - Aymen Mamlouk
- Service de Microbiologie et Immunologie, Ecole Nationale de Médecine Vétérinaire de Sidi Thabet. Université de la Manouba, Tunisia
| | - Faten Ben Chehida
- Service de Microbiologie et Immunologie, Ecole Nationale de Médecine Vétérinaire de Sidi Thabet. Université de la Manouba, Tunisia
| | - Samia Lahmar
- Service de Parasitologie, Ecole Nationale de Médecine Vétérinaire de Sidi Thabet. Université de la Manouba, Tunisia
| | | | - Monia Daaloul-Jedidi
- Service de Microbiologie et Immunologie, Ecole Nationale de Médecine Vétérinaire de Sidi Thabet. Université de la Manouba, Tunisia
| | - Lilia Messadi
- Service de Microbiologie et Immunologie, Ecole Nationale de Médecine Vétérinaire de Sidi Thabet. Université de la Manouba, Tunisia.
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