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Anyanwu MU, Jaja IF, Okpala COR, Njoga EO, Okafor NA, Oguttu JW. Mobile Colistin Resistance ( mcr) Gene-Containing Organisms in Poultry Sector in Low- and Middle-Income Countries: Epidemiology, Characteristics, and One Health Control Strategies. Antibiotics (Basel) 2023; 12:1117. [PMID: 37508213 PMCID: PMC10376608 DOI: 10.3390/antibiotics12071117] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/13/2023] [Accepted: 06/14/2023] [Indexed: 07/30/2023] Open
Abstract
Mobile colistin resistance (mcr) genes (mcr-1 to mcr-10) are plasmid-encoded genes that threaten the clinical utility of colistin (COL), one of the highest-priority critically important antibiotics (HP-CIAs) used to treat infections caused by multidrug-resistant and extensively drug-resistant bacteria in humans and animals. For more than six decades, COL has been used largely unregulated in the poultry sector in low- and middle-income countries (LMICs), and this has led to the development/spread of mcr gene-containing bacteria (MGCB). The prevalence rates of mcr-positive organisms from the poultry sector in LMICs between January 1970 and May 2023 range between 0.51% and 58.8%. Through horizontal gene transfer, conjugative plasmids possessing insertion sequences (ISs) (especially ISApl1), transposons (predominantly Tn6330), and integrons have enhanced the spread of mcr-1, mcr-2, mcr-3, mcr-4, mcr-5, mcr-7, mcr-8, mcr-9, and mcr-10 in the poultry sector in LMICs. These genes are harboured by Escherichia, Klebsiella, Proteus, Salmonella, Cronobacter, Citrobacter, Enterobacter, Shigella, Providencia, Aeromonas, Raoultella, Pseudomonas, and Acinetobacter species, belonging to diverse clones. The mcr-1, mcr-3, and mcr-10 genes have also been integrated into the chromosomes of these bacteria and are mobilizable by ISs and integrative conjugative elements. These bacteria often coexpress mcr with virulence genes and other genes conferring resistance to HP-CIAs, such as extended-spectrum cephalosporins, carbapenems, fosfomycin, fluoroquinolone, and tigecycline. The transmission routes and dynamics of MGCB from the poultry sector in LMICs within the One Health triad include contact with poultry birds, feed/drinking water, manure, poultry farmers and their farm workwear, farming equipment, the consumption and sale of contaminated poultry meat/egg and associated products, etc. The use of pre/probiotics and other non-antimicrobial alternatives in the raising of birds, the judicious use of non-critically important antibiotics for therapy, the banning of nontherapeutic COL use, improved vaccination, biosecurity, hand hygiene and sanitization, the development of rapid diagnostic test kits, and the intensified surveillance of mcr genes, among others, could effectively control the spread of MGCB from the poultry sector in LMICs.
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Affiliation(s)
| | - Ishmael Festus Jaja
- Department of Livestock and Pasture Science, University of Fort Hare, Alice 5700, South Africa
| | - Charles Odilichukwu R Okpala
- Department of Functional Food Products Development, Faculty of Biotechnology and Food Science, Wrocław University of Environmental and Life Sciences, 50-375 Wrocław, Poland
- UGA Cooperative Extension, College of Agricultural and Environmental Sciences, University of Georgia, Athens, GA 30602, USA
| | - Emmanuel Okechukwu Njoga
- Department of Veterinary Public Health and Preventive Medicine, University of Nigeria, Nsukka 400001, Nigeria
| | | | - James Wabwire Oguttu
- Department of Agriculture and Animal Health, Florida Campus, University of South Africa, Johannesburg 1709, South Africa
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Rhouma M, Archambault M, Butaye P. Antimicrobial Use and Resistance in Animals from a One Health Perspective. Vet Sci 2023; 10:vetsci10050319. [PMID: 37235402 DOI: 10.3390/vetsci10050319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 04/25/2023] [Indexed: 05/28/2023] Open
Abstract
Among the many global health issues, antimicrobial resistance (AMR) is one that exemplifies the One Health approach, defined as a joint effort in which multiple disciplines collaborate to provide solutions for human, animal, and environmental health [...].
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Affiliation(s)
- Mohamed Rhouma
- Department of Pathology and Microbiology, Faculty of Veterinary Medicine, Université de Montréal, 3200 Rue Sicotte, Saint-Hyacinthe, QC J2S 2M2, Canada
- Groupe de Recherche et d'Enseignement en Salubrité Alimentaire (GRESA), Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada
- Swine and Poultry Infectious Diseases Research Center, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada
| | - Marie Archambault
- Department of Pathology and Microbiology, Faculty of Veterinary Medicine, Université de Montréal, 3200 Rue Sicotte, Saint-Hyacinthe, QC J2S 2M2, Canada
- Swine and Poultry Infectious Diseases Research Center, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada
| | - Patrick Butaye
- Department of Pathobiology, Pharmacology and Zoological Medicine, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B9820 Merelbeke, Belgium
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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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Serotype Occurrence, Virulence Profiles, Antimicrobial Resistance and Molecular Characterization of Salmonella Isolated from Hospitalized Patients with Gastroenteritis in Great Tunisia between 2010 and 2020. Antibiotics (Basel) 2023; 12:antibiotics12030526. [PMID: 36978394 PMCID: PMC10044041 DOI: 10.3390/antibiotics12030526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/25/2023] [Accepted: 02/28/2023] [Indexed: 03/09/2023] Open
Abstract
Non-typhoid Salmonella is one of the major causes of food-borne infections worldwide. The aim of the current study is to determine the serotype occurrence, virulence factors and antimicrobial resistance patterns of Salmonella isolated from hospitalized patients. The identification of Salmonella strains was performed according to REMIC, 2018. The susceptibility of Salmonella isolates was assessed against 20 antimicrobials using the disk diffusion method. Some virulence and antimicrobial resistance genes were identified using PCR. Among the 61 isolated Salmonella strains, seven serotypes were identified and all were positive for the virulence genes invA, mgtC and sirA. Critical resistance rates (>40%) were detected for tetracycline, nalidixic acid, amoxicillin and fluoroquinolones. However, resistances to ertapenem, ceftazidim, aztreonam and colistin were null. In addition, 33% of the isolated strains were multidrug-resistant (MDR). Moreover, 80% and 60% of S. Kentucky isolates were identified as fluoroquinolone-resistant and MDR strains, respectively. The qnrB gene was amplified in 63.2% of fluoroquinolone-resistant strains. The dfrA1 gene was identified in 20% (4/20) of the trimethoprim-sulfamethoxazole resistant strains and the integrase Class 2 gene was amplified in only 8.2% (5/61) of the isolates. Our findings highlight the emergence of MDR Salmonella isolates. A rationalization of antimicrobial use is urgently recommended in both human and veterinary medicine.
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Hassena AB, Belmabrouk S, Amor MGB, Zormati S, Guermazi-Toumi S, Siala-Trigui M, Gdoura R. Study of Virulence Genes, Antimicrobial Resistance, and Genetic Relatedness of Foodborne Salmonella Isolates from Tunisia. J Food Prot 2022; 85:1779-1789. [PMID: 36135724 DOI: 10.4315/jfp-22-167] [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: 06/08/2022] [Accepted: 09/17/2022] [Indexed: 11/11/2022]
Abstract
ABSTRACT Nontyphoidal Salmonella strains are among the major foodborne pathogens with emerging multidrug-resistant phenotypes. In this study, antimicrobial susceptibility testing of a collection of Salmonella isolates (n = 54) recovered from poultry and bivalve molluscs was performed. The study also investigated profiling of virulence and resistance genes as well as phylogenetic relationships through pulsed-field gel electrophoresis (PFGE) and enterobacterial repetitive intergenic consensus (ERIC)-PCR fingerprinting. Results revealed the presence of multiple virulence genes among Salmonella isolates. Salmonella intestinal infection A (siiA), Salmonella outer protein (sopB and sopE), putative 4-hydroxybutyrate coenzyme A transferase (cat2), Salmonella atypical fimbria C (safC), and Salmonella Enteritidis fimbria B (sefB) were present in most (83.32 to 100%) of the isolates, whereas the remaining tested genes (Salmonella plasmid virulence [spvC and spvB]), and the sopE gene, were exclusively detected within the serotype Enteritidis. The highest resistance rates were observed for oxacillin (94.4%), ampicillin (37%), and nalidixic acid (27.7%), followed by cefotaxime and amoxicillin-clavulanic acid (14.8%), trimethoprim-sulfamethoxazole (9.3%), and ciprofloxacin (5.5%). The results indicate that the Salmonella Enteritidis serotype possessed the widest range of virulence determinants and increasing levels of resistance. Such high-risk clones should be particularly controlled in Tunisia. Overall, increased resistance and virulence confer a selective advantage for the evolution of these bacteria and represent an alarming problem for global public health. The genetic study via PFGE and ERIC-PCR showed the high diversity of the clonal origins of these bacteria and the sources of contamination and revealed the great capacity of Salmonella to diversify within food-producing animals. HIGHLIGHTS
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Affiliation(s)
- Amal Ben Hassena
- Research Laboratory of Environmental Toxicology-Microbiology and Health (LR17ES06), Faculty of Sciences of Sfax, Tunisia
| | - Sabrine Belmabrouk
- Molecular and Cellular Screening Process Laboratory, Centre of Biotechnology of Sfax, Sfax, Tunisia
| | - Maroua Gdoura-Ben Amor
- Research Laboratory of Environmental Toxicology-Microbiology and Health (LR17ES06), Faculty of Sciences of Sfax, Tunisia
| | - Sonia Zormati
- Research Laboratory of Environmental Toxicology-Microbiology and Health (LR17ES06), Faculty of Sciences of Sfax, Tunisia.,Regional Center of Veterinary Research of Sfax, Sfax, Tunisia
| | - Sonda Guermazi-Toumi
- Research Laboratory of Environmental Toxicology-Microbiology and Health (LR17ES06), Faculty of Sciences of Sfax, Tunisia.,Department of Biotechnology and Health, Higher Institute of Biotechnology of Sfax, Sfax, Tunisia
| | - Mariam Siala-Trigui
- Research Laboratory of Environmental Toxicology-Microbiology and Health (LR17ES06), Faculty of Sciences of Sfax, Tunisia.,Department of Biology, Preparatory Institute for Engineering Studies of Sfax, University of Sfax, Sfax, Tunisia
| | - Radhouane Gdoura
- Research Laboratory of Environmental Toxicology-Microbiology and Health (LR17ES06), Faculty of Sciences of Sfax, Tunisia
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Oueslati W, Rjeibi MR, Benyedem H, Mamlouk A, Souissi F, Selmi R, Ettriqui A. Salmonella Broiler Meat's Contamination in Tunisia: Prevalence, Serotypes, Antimicrobial Resistance and Molecular Characterization of Isolated Strains. Curr Microbiol 2022; 79:208. [PMID: 35639195 DOI: 10.1007/s00284-022-02900-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 05/09/2022] [Indexed: 11/03/2022]
Abstract
This study was conducted in north-eastern Tunisia to estimate the contamination prevalence of Salmonella in broilers' meat, to rank serotypes and to characterize the isolated multidrug-resistant (MDR) strains. A total number of 1288 meat samples were collected from 322 broiler batches; Salmonella isolates were identified by the alternative technique VIDAS Easy Salmonella. The susceptibility of Salmonella isolates was assessed against 21 antimicrobials using the disc diffusion method on Mueller-Hinton agar. Some antimicrobial resistance genes were identified using Polymerase Chain Reaction (PCR). The prevalence rates of Salmonella in the neck skin and the breast muscle contamination were estimated at 11.8% (38/322) and 0.9% (3/322), respectively. The prevalence rate of Salmonella in meat cutting parts contamination was estimated at 5.1% (33/644). Eight serotypes of Salmonella were identified, namely S. Enteritidis, S. Kentucky, S. Anatum, S. Infantis, S. Mbandaka, S. Zanzibar, S. Hadar and S. Agona. High rate of resistance was identified against amoxicillin (91.9%), nalidixic acid (83.8%), tetracycline (75.7%), streptomycin (73%), ciprofloxacin (70%), sulfamides (68.9%), cefalotin (68.9%), cefotaxim (67.6%) and cefoxitin (60.8%). The majority (90.5%; 67/74) of isolated strains was recognized as MDR. Nine MDR strains were identified as Extended-Spectrum β-Lactamase (ESBL) producers. The blaCTX-M gene was identified by PCR in all the nine ESBL strains. TetA, tetB and dfrA1 genes were amplified in 3.6% (2/56), 1.8% (1/56) and 19.3% (5/26) of tetracycline and trimethoprim-resistant strains, respectively. The integrase gene (class 2) was identified in only 8.1% (6/74) of the Salmonella-isolated strains. Our findings highlight the emergence of MDR Salmonella isolates in Tunisia.
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Affiliation(s)
- Walid Oueslati
- Laboratory of Management of Animal Production's Health and Quality, National School of Veterinary Medicine of Sidi Thabet, University Manouba (LR14AGR03), 2010, La Manouba, Tunisia. .,Department of Animal Production, National Agronomic Institute, University Carthage, 1054, Carthage, Tunisia.
| | - Mohamed Ridha Rjeibi
- Laboratory of Parasitology, National School of Veterinary Medicine of Sidi Thabet, University Manouba, 2010, La Manouba, Tunisia.,Laboratory of Parasitology, Veterinary Research Institute, University de Tunis El Manar, 1068, Tunis, Tunisia
| | - Hayet Benyedem
- Laboratory of Parasitology, National School of Veterinary Medicine of Sidi Thabet, University Manouba, 2010, La Manouba, Tunisia
| | - Aymen Mamlouk
- Laboratory of Microbiology, National School of Veterinary Medicine of Sidi Thabet, University Manouba, 2010, La Manouba, Tunisia
| | - Fatma Souissi
- Laboratory of Management of Animal Production's Health and Quality, National School of Veterinary Medicine of Sidi Thabet, University Manouba (LR14AGR03), 2010, La Manouba, Tunisia
| | - Rachid Selmi
- Laboratory of Microbiology, National School of Veterinary Medicine of Sidi Thabet, University Manouba, 2010, La Manouba, Tunisia
| | - Abdelfettah Ettriqui
- Laboratory of Management of Animal Production's Health and Quality, National School of Veterinary Medicine of Sidi Thabet, University Manouba (LR14AGR03), 2010, La Manouba, Tunisia
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