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Sarker S, Neeloy RM, Habib MB, Urmi UL, Al Asad M, Mosaddek ASM, Khan MRK, Nahar S, Godman B, Islam S. Mobile Colistin-Resistant Genes mcr-1, mcr-2, and mcr-3 Identified in Diarrheal Pathogens among Infants, Children, and Adults in Bangladesh: Implications for the Future. Antibiotics (Basel) 2024; 13:534. [PMID: 38927200 PMCID: PMC11200974 DOI: 10.3390/antibiotics13060534] [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: 03/26/2024] [Revised: 05/27/2024] [Accepted: 06/03/2024] [Indexed: 06/28/2024] Open
Abstract
Colistin is a last-resort antimicrobial for treating multidrug-resistant Gram-negative bacteria. Phenotypic colistin resistance is highly associated with plasmid-mediated mobile colistin resistance (mcr) genes. mcr-bearing Enterobacteriaceae have been detected in many countries, with the emergence of colistin-resistant pathogens a global concern. This study assessed the distribution of mcr-1, mcr-2, mcr-3, mcr-4, and mcr-5 genes with phenotypic colistin resistance in isolates from diarrheal infants and children in Bangladesh. Bacteria were identified using the API-20E biochemical panel and 16s rDNA gene sequencing. Polymerase chain reactions detected mcr gene variants in the isolates. Their susceptibilities to colistin were determined by agar dilution and E-test by minimal inhibitory concentration (MIC) measurements. Over 31.6% (71/225) of isolates showed colistin resistance according to agar dilution assessment (MIC > 2 μg/mL). Overall, 15.5% of isolates carried mcr genes (7, mcr-1; 17, mcr-2; 13, and mcr-3, with co-occurrence occurring in two isolates). Clinical breakout MIC values (≥4 μg/mL) were associated with 91.3% of mcr-positive isolates. The mcr-positive pathogens included twenty Escherichia spp., five Shigella flexneri, five Citrobacter spp., two Klebsiella pneumoniae, and three Pseudomonas parafulva. The mcr-genes appeared to be significantly associated with phenotypic colistin resistance phenomena (p = 0.000), with 100% colistin-resistant isolates showing MDR phenomena. The age and sex of patients showed no significant association with detected mcr variants. Overall, mcr-associated colistin-resistant bacteria have emerged in Bangladesh, which warrants further research to determine their spread and instigate activities to reduce resistance.
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Affiliation(s)
- Shafiuzzaman Sarker
- Department of Microbiology, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh; (S.S.); (R.M.N.); (M.B.H.); (U.L.U.); (M.A.A.); (S.N.)
| | - Reeashat Muhit Neeloy
- Department of Microbiology, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh; (S.S.); (R.M.N.); (M.B.H.); (U.L.U.); (M.A.A.); (S.N.)
| | - Marnusa Binte Habib
- Department of Microbiology, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh; (S.S.); (R.M.N.); (M.B.H.); (U.L.U.); (M.A.A.); (S.N.)
| | - Umme Laila Urmi
- Department of Microbiology, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh; (S.S.); (R.M.N.); (M.B.H.); (U.L.U.); (M.A.A.); (S.N.)
- School of Optometry and Vision Science, UNSW Sydney, Sydney, NSW 2052, Australia
| | - Mamun Al Asad
- Department of Microbiology, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh; (S.S.); (R.M.N.); (M.B.H.); (U.L.U.); (M.A.A.); (S.N.)
| | | | | | - Shamsun Nahar
- Department of Microbiology, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh; (S.S.); (R.M.N.); (M.B.H.); (U.L.U.); (M.A.A.); (S.N.)
| | - Brian Godman
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow G4 0RE, UK;
- Division of Public Health Pharmacy and Management, School of Pharmacy, Sefako Makgatho Health Sciences University, Pretoria 0204, South Africa
| | - Salequl Islam
- Department of Microbiology, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh; (S.S.); (R.M.N.); (M.B.H.); (U.L.U.); (M.A.A.); (S.N.)
- School of Optometry and Vision Science, UNSW Sydney, Sydney, NSW 2052, Australia
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Hsieh YYP, Sun W, Young JM, Cheung R, Hogan DA, Dandekar AA, Malik HS. Widespread fungal-bacterial competition for magnesium lowers bacterial susceptibility to polymyxin antibiotics. PLoS Biol 2024; 22:e3002694. [PMID: 38900845 PMCID: PMC11218974 DOI: 10.1371/journal.pbio.3002694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 07/02/2024] [Accepted: 05/29/2024] [Indexed: 06/22/2024] Open
Abstract
Fungi and bacteria coexist in many polymicrobial communities, yet the molecular basis of their interactions remains poorly understood. Here, we show that the fungus Candida albicans sequesters essential magnesium ions from the bacterium Pseudomonas aeruginosa. To counteract fungal Mg2+ sequestration, P. aeruginosa expresses the Mg2+ transporter MgtA when Mg2+ levels are low. Thus, loss of MgtA specifically impairs P. aeruginosa in co-culture with C. albicans, but fitness can be restored by supplementing Mg2+. Using a panel of fungi and bacteria, we show that Mg2+ sequestration is a general mechanism of fungal antagonism against gram-negative bacteria. Mg2+ limitation enhances bacterial resistance to polymyxin antibiotics like colistin, which target gram-negative bacterial membranes. Indeed, experimental evolution reveals that P. aeruginosa evolves C. albicans-dependent colistin resistance via non-canonical means; antifungal treatment renders resistant bacteria colistin-sensitive. Our work suggests that fungal-bacterial competition could profoundly impact polymicrobial infection treatment with antibiotics of last resort.
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Affiliation(s)
- Yu-Ying Phoebe Hsieh
- Division of Basic Sciences, Fred Hutchinson Cancer Center, Seattle, Washington, United States of America
| | - Wanting Sun
- Division of Basic Sciences, Fred Hutchinson Cancer Center, Seattle, Washington, United States of America
| | - Janet M. Young
- Division of Basic Sciences, Fred Hutchinson Cancer Center, Seattle, Washington, United States of America
| | - Robin Cheung
- Department of Microbiology, University of Washington, Seattle, Washington, United States of America
| | - Deborah A. Hogan
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States of America
| | - Ajai A. Dandekar
- Department of Microbiology, University of Washington, Seattle, Washington, United States of America
- Department of Medicine, University of Washington, Seattle, Washington, United States of America
| | - Harmit S. Malik
- Division of Basic Sciences, Fred Hutchinson Cancer Center, Seattle, Washington, United States of America
- Howard Hughes Medical Institute, Fred Hutchinson Cancer Center, Seattle, Washington, United States of America
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Talat A, Khan F, Khan AU. Genome analyses of colistin-resistant high-risk bla NDM-5 producing Klebsiella pneumoniae ST147 and Pseudomonas aeruginosa ST235 and ST357 in clinical settings. BMC Microbiol 2024; 24:174. [PMID: 38769479 PMCID: PMC11103832 DOI: 10.1186/s12866-024-03306-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 04/15/2024] [Indexed: 05/22/2024] Open
Abstract
BACKGROUND Colistin is a last-resort antibiotic used in extreme cases of multi-drug resistant (MDR) Gram-negative bacterial infections. Colistin resistance has increased in recent years and often goes undetected due to the inefficiency of predominantly used standard antibiotic susceptibility tests (AST). To address this challenge, we aimed to detect the prevalence of colistin resistance strains through both Vitek®2 and broth micro-dilution. We investigated 1748 blood, tracheal aspirate, and pleural fluid samples from the Intensive Care Unit (ICU), Neonatal Intensive Care Unit (NICU), and Tuberculosis and Respiratory Disease centre (TBRD) in an India hospital. Whole-genome sequencing (WGS) of extremely drug-resitant (XDR) and pan-drug resistant (PDR) strains revealed the resistance mechanisms through the Resistance Gene Identifier (RGI.v6.0.0) and Snippy.v4.6.0. Abricate.v1.0.1, PlasmidFinder.v2.1, MobileElementFinder.v1.0.3 etc. detected virulence factors, and mobile genetic elements associated to uncover the pathogenecity and the role of horizontal gene transfer (HGT). RESULTS This study reveals compelling insights into colistin resistance among global high-risk clinical isolates: Klebsiella pneumoniae ST147 (16/20), Pseudomonas aeruginosa ST235 (3/20), and ST357 (1/20). Vitek®2 found 6 colistin-resistant strains (minimum inhibitory concentrations, MIC = 4 μg/mL), while broth microdilution identified 48 (MIC = 32-128 μg/mL), adhering to CLSI guidelines. Despite the absence of mobile colistin resistance (mcr) genes, mechanisms underlying colistin resistance included mgrB deletion, phosphoethanolamine transferases arnT, eptB, ompA, and mutations in pmrB (T246A, R256G) and eptA (V50L, A135P, I138V, C27F) in K. pneumoniae. P. aeruginosa harbored phosphoethanolamine transferases basS/pmrb, basR, arnA, cprR, cprS, alongside pmrB (G362S), and parS (H398R) mutations. Both strains carried diverse clinically relevant antimicrobial resistance genes (ARGs), including plasmid-mediated blaNDM-5 (K. pneumoniae ST147) and chromosomally mediated blaNDM-1 (P. aeruginosa ST357). CONCLUSION The global surge in MDR, XDR and PDR bacteria necessitates last-resort antibiotics such as colistin. However, escalating resistance, particularly to colistin, presents a critical challenge. Inefficient colistin resistance detection methods, including Vitek2, alongside limited surveillance resources, accentuate the need for improved strategies. Whole-genome sequencing revealed alarming colistin resistance among K. pneumoniae and P. aeruginosa in an Indian hospital. The identification of XDR and PDR strains underscores urgency for enhanced surveillance and infection control. SNP analysis elucidated resistance mechanisms, highlighting the complexity of combatting resistance.
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Affiliation(s)
- Absar Talat
- Medical Microbiology and Molecular Biology Lab, Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, 202002, India
| | - Fatima Khan
- Microbiology Department, JNMC and Hospital, Aligarh Muslim University, Aligarh, 202002, India
| | - Asad U Khan
- Medical Microbiology and Molecular Biology Lab, Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, 202002, India.
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Rodrigues RA, Silva LAM, Brugnera HC, Pereira N, Casagrande MF, Makino LC, Bragança CRS, Schocken-Iturrino RP, Cardozo MV. Association of Bacillus subtilis and Bacillus amyloliquefaciens: minimizes the adverse effects of necrotic enteritis in the gastrointestinal tract and improves zootechnical performance in broiler chickens. Poult Sci 2024; 103:103394. [PMID: 38194830 PMCID: PMC10792630 DOI: 10.1016/j.psj.2023.103394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 12/13/2023] [Accepted: 12/15/2023] [Indexed: 01/11/2024] Open
Abstract
This study aimed to evaluate the efficiency and capacity of the probiotic composed of Bacillus subtilis and Bacillus amyloliquefaciens, in improving the zootechnical performance of broiler chickens challenged with Eimeria spp. and Clostridium perfringens. The broilers were distributed in a completely randomized design in poultry isolators (12 birds each), resulting in 3 treatments: T1 (control, no challenge and no Bacillus in diet), T2 (challenged with Eimeria spp., followed by Clostridium perfringens infection and no Bacillus in the diet), and T3 (challenged with Eimeria spp., Clostridium perfringens and treated with Bacillus subtilis and Bacillus amyloliquefaciens). They were evaluated for a period of 29 d, divided into preinitial (1-7 d of age), initial (8-21 d), and growth (22-29 d) phases. Assessments of body weight, weight gain, feed consumption, and feed conversion were conducted, along with the classification of the scores and optical microscopy of the tract gastrointestinal. The animals challenged and treated with the probiotic containing Bacillus spp. showed improved indicators of zootechnical performance. Additionally, the animals challenged and treated (T3) had a better score for intestinal lesions compared to the other treatment groups. Therefore, the probiotic consisting of Bacillus subtilis and Bacillus amyloliquefaciens could be considered an effective option for disease prevention and improving the zootechnical performance of broiler chickens.
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Affiliation(s)
- Romário A Rodrigues
- Department of Reproduction Pathology and One Health, School of Agricultural and Veterinary Sciences, São Paulo State University (UNESP), Jaboticabal, São Paulo, Brazil.
| | - Leandro A M Silva
- Department of Reproduction Pathology and One Health, School of Agricultural and Veterinary Sciences, São Paulo State University (UNESP), Jaboticabal, São Paulo, Brazil
| | - Heloisa C Brugnera
- Department of Reproduction Pathology and One Health, School of Agricultural and Veterinary Sciences, São Paulo State University (UNESP), Jaboticabal, São Paulo, Brazil
| | - Natália Pereira
- Department of Reproduction Pathology and One Health, School of Agricultural and Veterinary Sciences, São Paulo State University (UNESP), Jaboticabal, São Paulo, Brazil
| | - Mariana F Casagrande
- Department of Reproduction Pathology and One Health, School of Agricultural and Veterinary Sciences, São Paulo State University (UNESP), Jaboticabal, São Paulo, Brazil
| | - Lilian C Makino
- Department of Fisheries and Aquaculture Resources, School of Agricultural Sciences of Vale do Ribeira, São Paulo State University (UNESP), Registro, São Paulo, Brazil
| | - Caio R S Bragança
- Laboratory of Microorganism Physiology, Department of Biomedical Sciences and Health, Minas Gerais State University, Passos, Minas Gerais, Brazil
| | - Rubén Pablo Schocken-Iturrino
- Department of Reproduction Pathology and One Health, School of Agricultural and Veterinary Sciences, São Paulo State University (UNESP), Jaboticabal, São Paulo, Brazil
| | - Marita V Cardozo
- Laboratory of Microorganism Physiology, Department of Biomedical Sciences and Health, Minas Gerais State University, Passos, Minas Gerais, Brazil
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Abou Fayad A, Haraoui LP, Sleiman A, Hussein H, Grenier F, Derbaj G, Itani D, Iweir S, Sherri N, Bazzi W, Rasheed S, Tanelian A, Miari M, el Hafi B, Kanj SS, Kanafani ZA, Daoud Z, Araj GF, Matar GM. Molecular Characteristics of Colistin Resistance in Acinetobacter baumannii and the Activity of Antimicrobial Combination Therapy in a Tertiary Care Medical Center in Lebanon. Microorganisms 2024; 12:349. [PMID: 38399753 PMCID: PMC10892383 DOI: 10.3390/microorganisms12020349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/21/2024] [Accepted: 01/26/2024] [Indexed: 02/25/2024] Open
Abstract
(1) Background: Infections with pan-drug-resistant (PDR) bacteria, such as A. baumannii, are becoming increasingly common, especially in healthcare facilities. In this study, we selected 15 colistin-resistant clinical A. baumannii isolates from a hospital in Beirut, Lebanon, to test combination therapies and determine their sequence types (STs) and the mechanism of colistin resistance using whole-genome sequencing (WGS). (2) Methods: Antimicrobial susceptibility testing via broth microdilution against 12 antimicrobials from different classes and growth rate assays were performed. A checkerboard assay was conducted on PDR isolates using six different antimicrobials, each in combination with colistin. Genomic DNA was extracted from all isolates and subjected to WGS. (3) Results: All isolates were resistant to all tested antimicrobials with the one exception that was susceptible to gentamicin. Combining colistin with either meropenem, ceftolozane-tazobactam, or teicoplanin showed synergistic activity. Sequencing data revealed that 67% of the isolates belonged to Pasteur ST2 and 33% to ST187. Furthermore, these isolates harbored a number of resistance genes, including blaOXA-23. Mutations in the pmrC gene were behind colistin resistance. (4) Conclusions: With the rise in antimicrobial resistance and the absence of novel antimicrobial production, alternative treatments must be found. The combination therapy results from this study suggest treatment options for PDR ST2 A. baumannii-infected patients.
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Affiliation(s)
- Antoine Abou Fayad
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon; (A.A.F.); (A.S.); (G.D.); (D.I.); (S.I.); (N.S.); (W.B.); (S.R.); (A.T.); (M.M.)
- Center for Infectious Diseases Research, American University of Beirut, Beirut 1107 2020, Lebanon; (S.S.K.); (Z.A.K.); (G.F.A.)
- World Health Organization (WHO) Collaborating Center for Reference and Research on Bacterial Pathogens, Beirut 1107 2020, Lebanon
| | - Louis-Patrick Haraoui
- Department of Microbiology and Infectious Diseases, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, QC J1K 2R1, Canada;
- Centre de recherche Charles-Le Moyne, Hôpital Charles-Le Moyne, Greenfield Park, QC J4V 2G9, Canada
| | - Ahmad Sleiman
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon; (A.A.F.); (A.S.); (G.D.); (D.I.); (S.I.); (N.S.); (W.B.); (S.R.); (A.T.); (M.M.)
- Center for Infectious Diseases Research, American University of Beirut, Beirut 1107 2020, Lebanon; (S.S.K.); (Z.A.K.); (G.F.A.)
- World Health Organization (WHO) Collaborating Center for Reference and Research on Bacterial Pathogens, Beirut 1107 2020, Lebanon
| | - Hadi Hussein
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon; (A.A.F.); (A.S.); (G.D.); (D.I.); (S.I.); (N.S.); (W.B.); (S.R.); (A.T.); (M.M.)
- Center for Infectious Diseases Research, American University of Beirut, Beirut 1107 2020, Lebanon; (S.S.K.); (Z.A.K.); (G.F.A.)
- World Health Organization (WHO) Collaborating Center for Reference and Research on Bacterial Pathogens, Beirut 1107 2020, Lebanon
| | - Frédéric Grenier
- Department of Biology, Faculty of Science, Université de Sherbrooke, Sherbrooke, QC J1K 2R1, Canada;
| | - Ghada Derbaj
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon; (A.A.F.); (A.S.); (G.D.); (D.I.); (S.I.); (N.S.); (W.B.); (S.R.); (A.T.); (M.M.)
- Center for Infectious Diseases Research, American University of Beirut, Beirut 1107 2020, Lebanon; (S.S.K.); (Z.A.K.); (G.F.A.)
- World Health Organization (WHO) Collaborating Center for Reference and Research on Bacterial Pathogens, Beirut 1107 2020, Lebanon
| | - Dana Itani
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon; (A.A.F.); (A.S.); (G.D.); (D.I.); (S.I.); (N.S.); (W.B.); (S.R.); (A.T.); (M.M.)
- Center for Infectious Diseases Research, American University of Beirut, Beirut 1107 2020, Lebanon; (S.S.K.); (Z.A.K.); (G.F.A.)
- World Health Organization (WHO) Collaborating Center for Reference and Research on Bacterial Pathogens, Beirut 1107 2020, Lebanon
| | - Sereen Iweir
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon; (A.A.F.); (A.S.); (G.D.); (D.I.); (S.I.); (N.S.); (W.B.); (S.R.); (A.T.); (M.M.)
- Center for Infectious Diseases Research, American University of Beirut, Beirut 1107 2020, Lebanon; (S.S.K.); (Z.A.K.); (G.F.A.)
- World Health Organization (WHO) Collaborating Center for Reference and Research on Bacterial Pathogens, Beirut 1107 2020, Lebanon
| | - Nour Sherri
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon; (A.A.F.); (A.S.); (G.D.); (D.I.); (S.I.); (N.S.); (W.B.); (S.R.); (A.T.); (M.M.)
- Center for Infectious Diseases Research, American University of Beirut, Beirut 1107 2020, Lebanon; (S.S.K.); (Z.A.K.); (G.F.A.)
- World Health Organization (WHO) Collaborating Center for Reference and Research on Bacterial Pathogens, Beirut 1107 2020, Lebanon
| | - Wael Bazzi
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon; (A.A.F.); (A.S.); (G.D.); (D.I.); (S.I.); (N.S.); (W.B.); (S.R.); (A.T.); (M.M.)
- Center for Infectious Diseases Research, American University of Beirut, Beirut 1107 2020, Lebanon; (S.S.K.); (Z.A.K.); (G.F.A.)
- World Health Organization (WHO) Collaborating Center for Reference and Research on Bacterial Pathogens, Beirut 1107 2020, Lebanon
| | - Sari Rasheed
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon; (A.A.F.); (A.S.); (G.D.); (D.I.); (S.I.); (N.S.); (W.B.); (S.R.); (A.T.); (M.M.)
- Center for Infectious Diseases Research, American University of Beirut, Beirut 1107 2020, Lebanon; (S.S.K.); (Z.A.K.); (G.F.A.)
- World Health Organization (WHO) Collaborating Center for Reference and Research on Bacterial Pathogens, Beirut 1107 2020, Lebanon
| | - Arax Tanelian
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon; (A.A.F.); (A.S.); (G.D.); (D.I.); (S.I.); (N.S.); (W.B.); (S.R.); (A.T.); (M.M.)
- Center for Infectious Diseases Research, American University of Beirut, Beirut 1107 2020, Lebanon; (S.S.K.); (Z.A.K.); (G.F.A.)
- World Health Organization (WHO) Collaborating Center for Reference and Research on Bacterial Pathogens, Beirut 1107 2020, Lebanon
| | - Mariam Miari
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon; (A.A.F.); (A.S.); (G.D.); (D.I.); (S.I.); (N.S.); (W.B.); (S.R.); (A.T.); (M.M.)
- Center for Infectious Diseases Research, American University of Beirut, Beirut 1107 2020, Lebanon; (S.S.K.); (Z.A.K.); (G.F.A.)
- World Health Organization (WHO) Collaborating Center for Reference and Research on Bacterial Pathogens, Beirut 1107 2020, Lebanon
| | - Bassam el Hafi
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon; (A.A.F.); (A.S.); (G.D.); (D.I.); (S.I.); (N.S.); (W.B.); (S.R.); (A.T.); (M.M.)
- Center for Infectious Diseases Research, American University of Beirut, Beirut 1107 2020, Lebanon; (S.S.K.); (Z.A.K.); (G.F.A.)
- World Health Organization (WHO) Collaborating Center for Reference and Research on Bacterial Pathogens, Beirut 1107 2020, Lebanon
| | - Souha S. Kanj
- Center for Infectious Diseases Research, American University of Beirut, Beirut 1107 2020, Lebanon; (S.S.K.); (Z.A.K.); (G.F.A.)
- Division of Infectious Diseases, Department of Internal Medicine, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon
| | - Zeina A. Kanafani
- Center for Infectious Diseases Research, American University of Beirut, Beirut 1107 2020, Lebanon; (S.S.K.); (Z.A.K.); (G.F.A.)
- Division of Infectious Diseases, Department of Internal Medicine, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon
| | - Ziad Daoud
- Laboratory Department, My Michigan Health Midland Medical Center, College of Medicine, Central Michigan University, Saginaw, MI 48602, USA;
| | - George F. Araj
- Center for Infectious Diseases Research, American University of Beirut, Beirut 1107 2020, Lebanon; (S.S.K.); (Z.A.K.); (G.F.A.)
- Department of Pathology and Laboratory Medicine, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon
| | - Ghassan M. Matar
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon; (A.A.F.); (A.S.); (G.D.); (D.I.); (S.I.); (N.S.); (W.B.); (S.R.); (A.T.); (M.M.)
- Center for Infectious Diseases Research, American University of Beirut, Beirut 1107 2020, Lebanon; (S.S.K.); (Z.A.K.); (G.F.A.)
- World Health Organization (WHO) Collaborating Center for Reference and Research on Bacterial Pathogens, Beirut 1107 2020, Lebanon
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Marco-Fuertes A, Vega S, Villora-Gonzalez J, Marin C, Montoro-Dasi L. Exploring the Prevalence of Antimicrobial Resistance in Salmonella and commensal Escherichia coli from Non-Traditional Companion Animals: A Pilot Study. Life (Basel) 2024; 14:170. [PMID: 38398679 PMCID: PMC10889945 DOI: 10.3390/life14020170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 01/10/2024] [Accepted: 01/22/2024] [Indexed: 02/25/2024] Open
Abstract
Companion animal ownership has evolved to new exotic animals, including small mammals, posing a new public health challenge, especially due to the ability of some of these new species to harbour zoonotic bacteria, such as Salmonella, and spread their antimicrobial resistances (AMR) to other bacteria through the environment they share. Therefore, the objective of the present pilot study was to evaluate the current epidemiological AMR situation in commensal Escherichia coli and Salmonella spp., in non-traditional companion animal small mammals in the Valencia region. For this purpose, 72 rectal swabs of nine different species of small mammals were taken to assess the antimicrobial susceptibility against 28 antibiotics. A total of one Salmonella enterica serovar Telelkebir 13,23:d:e,n,z15 and twenty commensal E. coli strains were isolated. For E. coli strains, a high prevalence of AMR (85%) and MDR (82.6%) was observed, although neither of them had access outside the household. The highest AMR were observed in quinolones, one of the highest priority critically important antimicrobials (HPCIAs) in human medicine. However, no AMR were found for Salmonella. In conclusion, the results showed that small mammals' commensal E. coli poses a public health risk due to the high AMR found, and the ability of this bacterium to transmit its resistance genes to other bacteria. For this reason, this pilot study highlighted the need to establish programmes to control AMR trends in the growing population of new companion animals, as they could disseminate AMR to humans and animals through their shared environment.
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Affiliation(s)
- Ana Marco-Fuertes
- Departamento de Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Instituto de Ciencias Biomédicas, Universidad Cardenal Herrera-CEU, CEU Universities, Calle Santiago Ramón y Cajal 20, 46115 Alfara del Patriarca, Valencia, Spain; (A.M.-F.); (S.V.); (L.M.-D.)
| | - Santiago Vega
- Departamento de Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Instituto de Ciencias Biomédicas, Universidad Cardenal Herrera-CEU, CEU Universities, Calle Santiago Ramón y Cajal 20, 46115 Alfara del Patriarca, Valencia, Spain; (A.M.-F.); (S.V.); (L.M.-D.)
| | | | - Clara Marin
- Departamento de Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Instituto de Ciencias Biomédicas, Universidad Cardenal Herrera-CEU, CEU Universities, Calle Santiago Ramón y Cajal 20, 46115 Alfara del Patriarca, Valencia, Spain; (A.M.-F.); (S.V.); (L.M.-D.)
| | - Laura Montoro-Dasi
- Departamento de Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Instituto de Ciencias Biomédicas, Universidad Cardenal Herrera-CEU, CEU Universities, Calle Santiago Ramón y Cajal 20, 46115 Alfara del Patriarca, Valencia, Spain; (A.M.-F.); (S.V.); (L.M.-D.)
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