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Sandrasaigaran P, Mohan S, Segaran NS, Lee TY, Radu S, Hasan H. Prevalence of multi-antimicrobial resistant non-typhoidal Salmonella isolated from filth flies at wet markets in Klang, Malaysia, and their survival in the simulated gastric fluid. Int J Food Microbiol 2023; 407:110390. [PMID: 37722349 DOI: 10.1016/j.ijfoodmicro.2023.110390] [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: 04/13/2023] [Revised: 08/30/2023] [Accepted: 09/02/2023] [Indexed: 09/20/2023]
Abstract
Filth flies at wet markets can be a vector harbouring multiple antimicrobial-resistant (MAR) nontyphoidal Salmonella (NTS), and such strains are a significant threat to public health as they may cause severe infections in humans. This study aims to investigate the prevalence of antimicrobial-resistant NTS, especially Salmonella Enteritidis and S. Typhimurium harboured by filth flies at wet markets, and investigate their survival in the simulated gastric fluid (SGF). Filth flies (n = 90) were captured from wet markets in Klang, Malaysia, and processed to isolate Salmonella spp. The isolates (n = 16) were identified using the multiplex-touchdown PCR and assessed their antimicrobial susceptibility against 11 antimicrobial agents. Finally, three isolates with the highest MAR index were subjected to SGF survival tests. It was observed that 17.8 % of flies (n = 16/90) harbouring Salmonella, out of which 10 % (n = 9/90) was S. Enteritidis, 2.2 % (n = 2/90) was S. Typhimurium, and 5.6 % was unidentified serotypes of Salmonella enterica subsp. I. 43.8 % (n = 7/16) were confirmed as MAR, and they were observed to be resistant against ampicillin, chloramphenicol, kanamycin, streptomycin, and nalidixic acid. Three strains, F35, F75, and F85 demonstrated the highest MAR index and were able to survive (>6-log10) in the SGF (180 min), indicating their potential virulence and invasiveness. This study provides significant insights into the prevalence and severity of MAR nontyphoidal Salmonella harboured by filth flies in wet markets, which may help inform strategies for controlling the spread and outbreak of foodborne disease.
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Affiliation(s)
- Pratheep Sandrasaigaran
- Department of Biotechnology, School of Biotechnology, Manipal International University, Nilai, Negeri Sembilan, Malaysia; Department of Food Science, Faculty of Food Science and Technology, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - Shuvarnah Mohan
- Department of Biotechnology, School of Biotechnology, Manipal International University, Nilai, Negeri Sembilan, Malaysia
| | - Nithiyha Sandara Segaran
- Department of Biotechnology, School of Biotechnology, Manipal International University, Nilai, Negeri Sembilan, Malaysia
| | - Tze Yan Lee
- School of Liberal Arts, Science and Technology (PUScLST), Perdana University, Wisma Chase Perdana, Changkat Semantan Damansara Heights, 50490 Kuala Lumpur, Malaysia
| | - Son Radu
- Department of Food Science, Faculty of Food Science and Technology, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - Hanan Hasan
- Department of Food Science, Faculty of Food Science and Technology, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia; Halal Products Research Institute, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia.
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Nayduch D, Neupane S, Pickens V, Purvis T, Olds C. House Flies Are Underappreciated Yet Important Reservoirs and Vectors of Microbial Threats to Animal and Human Health. Microorganisms 2023; 11:microorganisms11030583. [PMID: 36985156 PMCID: PMC10054770 DOI: 10.3390/microorganisms11030583] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/24/2023] [Accepted: 02/24/2023] [Indexed: 03/03/2023] Open
Abstract
House flies are well recognized as filth-associated organisms and public nuisances. House flies create sanitation issues when they bridge the gap between microbe-rich breeding environments and animal/human habitations. Numerous scientific surveys have demonstrated that house flies harbor bacterial pathogens that pose a threat to humans and animals. More extensive and informative surveys incorporating next-generation sequencing technologies have shown that house fly carriage of pathogens and harmful genetic elements, such as antimicrobial resistance genes, is more widespread and dangerous than previously thought. Further, there is a strong body of research confirming that flies not only harbor but also transmit viable, and presumably infectious, bacterial pathogens. Some pathogens replicate and persist in the fly, permitting prolonged shedding and dissemination. Finally, although the drivers still have yet to be firmly determined, the potential range of dissemination of flies and their associated pathogens can be extensive. Despite this evidence, the house flies’ role as reservoirs, disseminators, and true, yet facultative, vectors for pathogens have been greatly underestimated and underappreciated. In this review, we present key studies that bolster the house fly’s role both an important player in microbial ecology and population biology and as transmitters of microbial threats to animal and human health.
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Affiliation(s)
- Dana Nayduch
- Arthropod-Borne Animal Diseases Research Unit, United States Department of Agriculture, Agricultural Research Service, 1515 College Avenue, Manhattan, KS 66502, USA
- Correspondence: (D.N.); (C.O.)
| | - Saraswoti Neupane
- Department of Entomology, Kansas State University, Manhattan, KS 66506, USA
| | - Victoria Pickens
- Department of Entomology, Kansas State University, Manhattan, KS 66506, USA
| | - Tanya Purvis
- Arthropod-Borne Animal Diseases Research Unit, United States Department of Agriculture, Agricultural Research Service, 1515 College Avenue, Manhattan, KS 66502, USA
| | - Cassandra Olds
- Department of Entomology, Kansas State University, Manhattan, KS 66506, USA
- Correspondence: (D.N.); (C.O.)
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Rawat N, Sabu B, Jamwal R, Devi PP, Yadav K, Raina HS, Rajagopal R. Understanding the role of insects in the acquisition and transmission of antibiotic resistance. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:159805. [PMID: 36461578 DOI: 10.1016/j.scitotenv.2022.159805] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 09/23/2022] [Accepted: 10/25/2022] [Indexed: 06/17/2023]
Abstract
Antibiotic resistance (AR) is a global healthcare threat that requires a comprehensive assessment. Poorly regulated antibiotic stewardship in clinical and non-clinical settings has led to a horizontal dissemination of AR. A variety of often neglected elements facilitate the circulation of AR from antibiotic sinks like concentrated animal feeding operations and healthcare settings to other environments that include healthy human communities. Insects are one of those elements that have received underwhelming attention as vectors of AR, despite their well-known role in transmitting clinically relevant pathogens. We here make an exhaustive attempt to highlight the role of insects as zoonotic reservoirs of AR by discussing the available literature and deriving realistic inferences. We review the AR associated with insects housing various human-relevant environments, namely, animal farm industry, edible-insects enterprise, healthcare institutes, human settlements, agriculture settings and the wild. We also provide evidence-based accounts of the events of the transmission of AR from insects to humans. We evaluate the clinical threats associated with insect-derived AR and propose the adoption of more sophisticated strategies to understand and mitigate future AR concerns facilitated by insects. Future works include a pan-region assessment of insects for AR in the form of AR bacteria (ARB) and AR determinants (ARDs) and the introduction of modern techniques like whole-genome sequencing, metagenomics, and in-silico modelling.
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Affiliation(s)
- Nitish Rawat
- Gut Biology Laboratory, Department of Zoology, University of Delhi, Room No. 117, Delhi 110007, India
| | - Benoy Sabu
- Gut Biology Laboratory, Department of Zoology, University of Delhi, Room No. 117, Delhi 110007, India
| | - Rohit Jamwal
- Gut Biology Laboratory, Department of Zoology, University of Delhi, Room No. 117, Delhi 110007, India
| | - Pukhrambam Pushpa Devi
- Gut Biology Laboratory, Department of Zoology, University of Delhi, Room No. 117, Delhi 110007, India
| | - Karuna Yadav
- Gut Biology Laboratory, Department of Zoology, University of Delhi, Room No. 117, Delhi 110007, India
| | - Harpreet Singh Raina
- Gut Biology Laboratory, Department of Zoology, University of Delhi, Room No. 117, Delhi 110007, India; Department of Zoology, Sri Guru Teg Bahadur Khalsa College, University of Delhi, Delhi 110007, India
| | - Raman Rajagopal
- Gut Biology Laboratory, Department of Zoology, University of Delhi, Room No. 117, Delhi 110007, India.
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Siddiky NA, Sarker S, Khan SR, Rahman T, Kafi A, Samad MA. Virulence and antimicrobial resistance profile of non-typhoidal Salmonella enterica serovars recovered from poultry processing environments at wet markets in Dhaka, Bangladesh. PLoS One 2022; 17:e0254465. [PMID: 35130286 PMCID: PMC8820648 DOI: 10.1371/journal.pone.0254465] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 01/13/2022] [Indexed: 11/19/2022] Open
Abstract
The rapid emergence of virulent and multidrug-resistant (MDR) non-typhoidal Salmonella (NTS) enterica serovars is a growing public health concern globally. The present study focused on the assessment of the pathogenicity and antimicrobial resistance (AMR) profiling of NTS enterica serovars isolated from the chicken processing environments at wet markets in Dhaka, Bangladesh. A total of 870 samples consisting of carcass dressing water (CDW), chopping board swabs (CBS), and knife swabs (KS) were collected from 29 wet markets. The prevalence of Salmonella was found to be 20% in CDW, 19.31% in CBS, and 17.58% in KS, respectively. Meanwhile, the MDR Salmonella was found to be 72.41%, 73.21%, and 68.62% in CDW, CBS, and KS, respectively. All isolates were screened by polymerase chain reaction (PCR) for eight virulence genes, namely invA, agfA, IpfA, hilA, sivH, sefA, sopE, and spvC. The S. Enteritidis and untyped Salmonella isolates harbored all virulence genes while S. Typhimurium isolates carried six virulence genes, except sefA and spvC. Phenotypic resistance revealed decreased susceptibility to ciprofloxacin, streptomycin, ampicillin, tetracycline, gentamicin, sulfamethoxazole-trimethoprim, amoxicillin-clavulanic acid, and azithromycin. Genotypic resistance showed a higher prevalence of plasmid-mediated blaTEM followed by tetA, sul1, sul2, sul3, and strA/B genes. The phenotypic and genotypic resistance profiles of the isolates showed a harmonic and symmetrical trend. According to the findings, MDR and virulent NTS enterica serovars predominate in wet market conditions and can easily enter the human food chain. The chi-square analysis showed significantly higher associations among the phenotypic resistance, genotypic resistance and virulence genes in CDW, CBS, and KS respectively (p < 0.05).
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Affiliation(s)
- Nure Alam Siddiky
- Antimicrobial Resistance Action Center, Bangladesh Livestock Research Institute, Savar, Dhaka, Bangladesh
| | - Samun Sarker
- Antimicrobial Resistance Action Center, Bangladesh Livestock Research Institute, Savar, Dhaka, Bangladesh
| | - Shahidur Rahman Khan
- Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Tanvir Rahman
- Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Abdul Kafi
- Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Mohammed A. Samad
- Antimicrobial Resistance Action Center, Bangladesh Livestock Research Institute, Savar, Dhaka, Bangladesh
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Sobur MA, Islam MS, Haque ZF, Orubu ESF, Toniolo A, Choudhury MA, Rahman MT. Higher seasonal temperature enhances the occurrence of methicillin resistance of Staphylococcus aureus in house flies (Musca domestica) under hospital and environmental settings. Folia Microbiol (Praha) 2021; 67:109-119. [PMID: 34569031 DOI: 10.1007/s12223-021-00922-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 09/17/2021] [Indexed: 11/27/2022]
Abstract
Antimicrobial resistance (AMR) emergence in commensal and pathogenic bacteria is a global health issue. House flies (Musca domestica) are considered as biological and mechanical vectors for pathogens causing nosocomial infections, including methicillin-resistant Staphylococcus aureus (MRSA). However, the prevalence of antimicrobial resistance and the role of temperature on the occurrence of Staphylococcus aureus and MRSA in house flies in a hospital environment have not been studied. A total of 400 house flies were collected in winter and summer from four hospital-associated areas in Mymensingh, Bangladesh. Detection of S. aureus and MRSA in flies was done by culturing, staining, and PCR methods targeting nuc and mec genes (mecA and mecC), respectively. Disc diffusion test was used to detect resistance phenotype against six antimicrobials. Logistic regression models were constructed to assess the effect of temperature on the frequency of antimicrobial resistance, and on the presence of the nuc and mecA genes, and location of samples in and around a hospital environment. By PCR, S. aureus was detected in 208 (52%) samples. High frequencies of resistance (≥ 80% of isolates) to amoxicillin, azithromycin, and oxacillin were observed by disk diffusion test. Increase in temperature had a positive effect on the occurrence of S. aureus and MRSA isolates as well as on their resistance to individual and multiple antimicrobials. Among the study areas, hospital premises had increased odds of having S. aureus. Increased temperature of summer significantly increased the occurrence of MRSA in house flies in and around the hospital environment, which might pose a human and animal health risk.
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Affiliation(s)
- Md Abdus Sobur
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
| | - Md Saiful Islam
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
| | - Zobayda Farzana Haque
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
| | - Ebiowei Samuel F Orubu
- Institute for Health System Innovation and Policy, Boston University, 180 Riverway, Boston, MA, 02215, USA
| | - Antonio Toniolo
- Global Virus Network, University of Insubria, 21100, Varese, Italy
| | - Md Abu Choudhury
- Menzies Health Institute Queensland, Griffith University, 170 Kessels Road, Nathan, Queensland, 4111, Australia
| | - Md Tanvir Rahman
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh.
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Dawaye DA, Djaouda M, Fils EMB. [Diversity of synanthropic flies and their potential for transmitting diarrheal diseases in Maroua (Far North- Cameroon)]. Pan Afr Med J 2021; 38:410. [PMID: 34381554 PMCID: PMC8325447 DOI: 10.11604/pamj.2021.38.410.24687] [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: 06/29/2020] [Accepted: 11/30/2020] [Indexed: 11/11/2022] Open
Abstract
Introduction les voies de transmission des maladies diarrhéiques font parfois intervenir les mouches synanthropes, comme vecteurs mécaniques des germes pathogènes. Ce travail avait pour objectif d´évaluer la diversité des mouches synanthropes et de déterminer leur implication potentielle dans la transmission des maladies diarrhéiques dans la ville de Maroua. Méthodes des séances de captures des mouches ont été effectuées par saison dans 12 quartiers, en cinq points différents et en trois périodes de la journée correspondant aux différents niveaux d´ensoleillement. Plusieurs clés d´identification des diptères et des analyses microbiologiques en laboratoire ont été utilisées pour estimer la biodiversité et le portage des microorganismes par les mouches synanthropes. Les données collectées ont été soumises à des analyses écologiques et statistiques. Résultats huit espèces de mouches synanthropes appartenant à quatre familles ont été identifiées dans la ville de Maroua et la répartition de ces espèces a varié en fonction des saisons, des quartiers et de la période de la journée (P<0,05). Musca domestica et Chrysomya putoria ont été les espèces les plus abondantes, dans les quartiers où les activités de transformation agroalimentaire et l´élevage sont intenses notamment Hardé, Pont-vert, Doualaré, Kongola et Makabaye. Escherichia coli a été plus porté que les salmonelles et le portage des bactéries par les mouches synanthropes a été abondance-dépendant. Conclusion la diversité des mouches synanthropes varie en fonction des activités anthropiques, de la saison de l´année et de la période de la journée. Ces mouches constituent d´importants vecteurs mécaniques potentiels des bactéries fécales pathogènes à Maroua.
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Affiliation(s)
- Daniel Amani Dawaye
- Département des Sciences Biologiques, Faculté des Sciences, Université de Maroua, Maroua, Cameroun
| | - Moussa Djaouda
- Département des Sciences de la Vie et de la Terre, Ecole Normale Supérieure, Université de Maroua, Maroua, Cameroun
| | - Eric Moïse Bakwo Fils
- Département des Sciences Biologiques, Faculté des Sciences, Université de Maroua, Maroua, Cameroun
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Islam MS, Nayeem MMH, Sobur MA, Ievy S, Islam MA, Rahman S, Kafi MA, Ashour HM, Rahman MT. Virulence Determinants and Multidrug Resistance of Escherichia coli Isolated from Migratory Birds. Antibiotics (Basel) 2021; 10:antibiotics10020190. [PMID: 33671995 PMCID: PMC7919266 DOI: 10.3390/antibiotics10020190] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 02/09/2021] [Accepted: 02/12/2021] [Indexed: 12/11/2022] Open
Abstract
Migratory birds are carriers of multidrug resistant pathogenic Escherichia coli. However, their roles in the dissemination of these resistant pathogens are still being neglected in Bangladesh. The present study was therefore carried out to detect multidrug resistant E. coli. In addition, these isolates were also screened for the presence of avian pathogenic E. coli (APEC)-associated virulence genes. A total of 66 fecal matter samples of migratory birds were screened. E. coli were isolated and identified by culturing and biochemical tests followed by polymerase chain reaction (PCR). APEC-associated virulence genes were detected by PCR. Disk diffusion assays were employed to investigate antibiogram profiles. Bivariate analysis was performed to assess correlations in resistance patterns between antimicrobials and to assess associations between virulence genes of E. coli. Among the 66 samples assessed by PCR, 55 (83.33%) were found positive for E. coli. Of these 55 isolates, the APEC-associated virulence gene fimC was detected in 67.27% of the isolates, which was significantly higher than in the cases of iucD (29.09%) and papC (5.45%) genes. In addition, three isolates were found positive for all three virulence genes, while 23 and 12 isolates were positive for one and two virulence genes respectively. In the bivariate analysis, significant associations were detected between fimC and iucD virulence genes. Using the antibiogram, all E. coli isolates were found to be multidrug resistant (MDR). The isolates exhibited 100% resistance against ampicillin and erythromycin in addition to varying percentages of resistance against streptomycin, tetracycline, ciprofloxacin, and chloramphenicol. Highly positive correlations between tetracycline and ciprofloxacin, chloramphenicol and ciprofloxacin, chloramphenicol and tetracycline were observed by bivariate analysis. To the best of our knowledge, this is the first study that reports APEC-associated virulence genes of MDR E. coli from migratory birds in Bangladesh. Results indicate that migratory birds are reservoirs of MDR E. coli isolates carrying APEC-associated virulence genes, which can seriously contribute to the development of human and animal diseases.
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Affiliation(s)
- Md. Saiful Islam
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (M.S.I.); (M.M.H.N.); (M.A.S.); (S.I.); (M.A.I.); (S.R.); (M.A.K.)
| | - Md. Mehedi Hasan Nayeem
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (M.S.I.); (M.M.H.N.); (M.A.S.); (S.I.); (M.A.I.); (S.R.); (M.A.K.)
| | - Md. Abdus Sobur
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (M.S.I.); (M.M.H.N.); (M.A.S.); (S.I.); (M.A.I.); (S.R.); (M.A.K.)
| | - Samina Ievy
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (M.S.I.); (M.M.H.N.); (M.A.S.); (S.I.); (M.A.I.); (S.R.); (M.A.K.)
| | - Md. Amirul Islam
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (M.S.I.); (M.M.H.N.); (M.A.S.); (S.I.); (M.A.I.); (S.R.); (M.A.K.)
| | - Saifur Rahman
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (M.S.I.); (M.M.H.N.); (M.A.S.); (S.I.); (M.A.I.); (S.R.); (M.A.K.)
| | - Md. Abdul Kafi
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (M.S.I.); (M.M.H.N.); (M.A.S.); (S.I.); (M.A.I.); (S.R.); (M.A.K.)
| | - Hossam M. Ashour
- Department of Integrative Biology, College of Arts and Sciences, University of South Florida, St. Petersburg, FL 33701, USA
- Department of Microbiology and Immunology, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
- Correspondence: (H.M.A.); (M.T.R.)
| | - Md. Tanvir Rahman
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (M.S.I.); (M.M.H.N.); (M.A.S.); (S.I.); (M.A.I.); (S.R.); (M.A.K.)
- Correspondence: (H.M.A.); (M.T.R.)
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Uddin MB, Hossain SB, Hasan M, Alam MN, Debnath M, Begum R, Roy S, Harun-Al-Rashid A, Chowdhury MSR, Rahman MM, Hossain MM, Elahi F, Chowdhury MYE, Järhult JD, El Zowalaty ME, Ahmed SSU. Multidrug Antimicrobial Resistance and Molecular Detection of mcr-1 Gene in Salmonella Species Isolated from Chicken. Animals (Basel) 2021; 11:206. [PMID: 33467777 PMCID: PMC7829884 DOI: 10.3390/ani11010206] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 01/02/2021] [Accepted: 01/08/2021] [Indexed: 02/07/2023] Open
Abstract
Colistin (polymyxin E) is widely used in animal and human medicine and is increasingly used as one of the last-resort antibiotics against Gram-negative bacilli. Due to the increased use of colistin in treating infections caused by multidrug-resistant Gram-negative bacteria, resistance to this antibiotic ought to be monitored. The study was undertaken to elucidate the molecular mechanisms, genetic relationships and phenotype correlations of colistin-resistant isolates. Here, we report the detection of the mcr-1 gene in chicken-associated Salmonella isolates in Bangladesh and its in-silico functional analysis. Out of 100 samples, 82 Salmonella spp. were isolated from chicken specimens (liver, intestine). Phenotypic disc diffusion and minimum inhibitory concentration (MIC) assay using different antimicrobial agents were performed. Salmonella isolates were characterized using PCR methods targeting genus-specific invA and mcr-1 genes with validation for the functional analysis. The majority of the tested Salmonella isolates were found resistant to colistin (92.68%), ciprofloxacin (73.17%), tigecycline (62.20%) and trimethoprim/sulfamethoxazole (60.98%). When screened using PCR, five out of ten Salmonella isolates were found to carry the mcr-1 gene. One isolate was confirmed for Salmonella enterica subsp. enterica serovar Enteritidis, and other four isolates were confirmed for Salmonella enterica subsp. enterica serovar Typhimurium. Sequencing and phylogenetic analysis revealed a divergent evolutionary relationship between the catalytic domain of Neisseria meningitidis lipooligosaccharide phosphoethanolamine transferase A (LptA) and MCR proteins, rendering them resistant to colistin. Three-dimensional homology structural analysis of MCR-1 proteins and molecular docking interactions suggested that MCR-1 and LptA share a similar substrate binding cavity, which could be validated for the functional analysis. The comprehensive molecular and in-silico analyses of the colistin resistance mcr-1 gene of Salmonella spp. of chicken origin in the present study highlight the importance of continued monitoring and surveillance for antimicrobial resistance among pathogens in food chain animals.
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Affiliation(s)
- Md Bashir Uddin
- Department of Medicine, Sylhet Agricultural University, Sylhet 3100, Bangladesh; (S.M.B.H.); (M.N.A.); (M.S.R.C.); (M.M.R.); (M.M.H.)
| | - S.M. Bayejed Hossain
- Department of Medicine, Sylhet Agricultural University, Sylhet 3100, Bangladesh; (S.M.B.H.); (M.N.A.); (M.S.R.C.); (M.M.R.); (M.M.H.)
| | - Mahmudul Hasan
- Department of Pharmaceuticals and Industrial Biotechnology, Sylhet Agricultural University, Sylhet 3100, Bangladesh;
| | - Mohammad Nurul Alam
- Department of Medicine, Sylhet Agricultural University, Sylhet 3100, Bangladesh; (S.M.B.H.); (M.N.A.); (M.S.R.C.); (M.M.R.); (M.M.H.)
| | - Mita Debnath
- Kazi Farms Poultry Laboratory, Gazipur 1700, Bangladesh;
| | - Ruhena Begum
- Bangladesh Livestock Research Institute, Dhaka 1341, Bangladesh;
| | - Sawrab Roy
- Department of Microbiology and Immunology, Sylhet Agricultural University, Sylhet 3100, Bangladesh;
| | - Ahmed Harun-Al-Rashid
- Department of Aquatic Resource Management, Sylhet Agricultural University, Sylhet 3100, Bangladesh;
| | - Md. Shahidur Rahman Chowdhury
- Department of Medicine, Sylhet Agricultural University, Sylhet 3100, Bangladesh; (S.M.B.H.); (M.N.A.); (M.S.R.C.); (M.M.R.); (M.M.H.)
| | - Md. Mahfujur Rahman
- Department of Medicine, Sylhet Agricultural University, Sylhet 3100, Bangladesh; (S.M.B.H.); (M.N.A.); (M.S.R.C.); (M.M.R.); (M.M.H.)
| | - Md. Mukter Hossain
- Department of Medicine, Sylhet Agricultural University, Sylhet 3100, Bangladesh; (S.M.B.H.); (M.N.A.); (M.S.R.C.); (M.M.R.); (M.M.H.)
| | - Fazle Elahi
- Department of Food Science and Biotechnology, Kangwon National University, Chuncheon 200-701, Korea;
| | | | - Josef D. Järhult
- Zoonosis Science Center, Department of Medical Sciences, Uppsala University, SE 751 85 Uppsala, Sweden;
| | - Mohamed E. El Zowalaty
- Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah 27272, UAE
- Zoonosis Science Center, Department of Medical Biochemistry and Microbiology, Uppsala University, SE 75 123 Uppsala, Sweden
| | - Syed Sayeem Uddin Ahmed
- Department of Epidemiology and Public Health, Sylhet Agricultural University, Sylhet 3100, Bangladesh
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Isolation and Characterization of Multidrug-Resistant Escherichia coli and Salmonella spp. from Healthy and Diseased Turkeys. Antibiotics (Basel) 2020; 9:antibiotics9110770. [PMID: 33147736 PMCID: PMC7692380 DOI: 10.3390/antibiotics9110770] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 10/21/2020] [Accepted: 10/25/2020] [Indexed: 12/11/2022] Open
Abstract
Diseases caused by Escherichia coli (E. coli) and Salmonella spp. can negatively impact turkey farming. The aim of this study was to isolate and characterize multidrug-resistant (MDR) E. coli and Salmonella spp. in healthy and diseased turkeys. A total of 30 fecal samples from healthy turkeys and 25 intestinal samples from diseased turkeys that died of enteritis were collected. Bacterial isolation and identification were based on biochemical properties and polymerase chain reaction (PCR). Antibiogram profiles were determined by disk diffusion. The tetracycline-resistance gene tetA was detected by PCR. All samples were positive for E. coli. Only 11 samples (11/30; 36.67%) were positive for Salmonella spp. from healthy turkeys, whereas 16 (16/25; 64%) samples were positive for Salmonella spp. from diseased turkeys. E. coli isolated from diseased turkeys showed higher resistance to levofloxacin, gentamicin, chloramphenicol, ciprofloxacin, streptomycin, and tetracycline. Salmonella spp. isolated from healthy turkeys exhibited higher resistance to gentamicin, chloramphenicol, ciprofloxacin, streptomycin, imipenem, and meropenem. All E. coli and Salmonella spp. from both healthy and diseased turkeys were resistant to erythromycin. Salmonella spp. from both healthy and diseased turkeys were resistant to tetracycline. Multidrug resistance was observed in both E. coli and Salmonella spp. from diseased turkeys. Finally, the tetA gene was detected in 93.1% of the E. coli isolates and in 92.59% of the Salmonella spp. isolates. To the best of our knowledge, this is the first study to isolate and characterize tetA-gene-containing MDR E. coli and Salmonella spp. from healthy and diseased turkeys in Bangladesh. Both microorganisms are of zoonotic significance and represent a significant public health challenge.
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Rahman MT, Sobur MA, Islam MS, Ievy S, Hossain MJ, El Zowalaty ME, Rahman AMMT, Ashour HM. Zoonotic Diseases: Etiology, Impact, and Control. Microorganisms 2020; 8:microorganisms8091405. [PMID: 32932606 PMCID: PMC7563794 DOI: 10.3390/microorganisms8091405] [Citation(s) in RCA: 191] [Impact Index Per Article: 47.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 08/28/2020] [Accepted: 09/02/2020] [Indexed: 02/07/2023] Open
Abstract
Most humans are in contact with animals in a way or another. A zoonotic disease is a disease or infection that can be transmitted naturally from vertebrate animals to humans or from humans to vertebrate animals. More than 60% of human pathogens are zoonotic in origin. This includes a wide variety of bacteria, viruses, fungi, protozoa, parasites, and other pathogens. Factors such as climate change, urbanization, animal migration and trade, travel and tourism, vector biology, anthropogenic factors, and natural factors have greatly influenced the emergence, re-emergence, distribution, and patterns of zoonoses. As time goes on, there are more emerging and re-emerging zoonotic diseases. In this review, we reviewed the etiology of major zoonotic diseases, their impact on human health, and control measures for better management. We also highlighted COVID-19, a newly emerging zoonotic disease of likely bat origin that has affected millions of humans along with devastating global consequences. The implementation of One Health measures is highly recommended for the effective prevention and control of possible zoonosis.
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Affiliation(s)
- Md. Tanvir Rahman
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (M.A.S.); (M.S.I.); (S.I.); (M.J.H.)
- Correspondence: (M.T.R.); (H.M.A.)
| | - Md. Abdus Sobur
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (M.A.S.); (M.S.I.); (S.I.); (M.J.H.)
| | - Md. Saiful Islam
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (M.A.S.); (M.S.I.); (S.I.); (M.J.H.)
| | - Samina Ievy
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (M.A.S.); (M.S.I.); (S.I.); (M.J.H.)
| | - Md. Jannat Hossain
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (M.A.S.); (M.S.I.); (S.I.); (M.J.H.)
| | - Mohamed E. El Zowalaty
- Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah 27272, UAE;
- Zoonosis Science Center, Department of Medical Biochemistry and Microbiology, Uppsala University, SE 75123 Uppsala, Sweden
| | | | - Hossam M. Ashour
- Department of Integrative Biology, College of Arts and Sciences, University of South Florida, St. Petersburg, FL 33701, USA
- Department of Microbiology and Immunology, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
- Correspondence: (M.T.R.); (H.M.A.)
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Khan SA, Imtiaz MA, Sayeed MA, Shaikat AH, Hassan MM. Antimicrobial resistance pattern in domestic animal - wildlife - environmental niche via the food chain to humans with a Bangladesh perspective; a systematic review. BMC Vet Res 2020; 16:302. [PMID: 32838793 PMCID: PMC7445918 DOI: 10.1186/s12917-020-02519-9] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 08/10/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Antimicrobial resistance (AMR) is a growing concern globally, but the impact is very deleterious in the context of Bangladesh. Recent review article on the AMR issue demonstrates the scenario in human medicine; unfortunately, no attempt was taken to address this as One Health issue. The antimicrobial resistance bacteria or genes are circulating in the fragile ecosystems and disseminate into human food chain through direct or indirect ways. In this systematic review we are exploring the mechanism or the process of development of resistance pathogen into human food chain via the domestic animal, wildlife and environmental sources in the context of One Health and future recommendation to mitigate this issue in Bangladesh. RESULTS Tetracycline resistance genes were presenting in almost all sample sources in higher concentrations against enteric pathogen Escherichia coli. The second most significant antibiotics are amino-penicillin that showed resistant pattern across different source of samples. It is a matter of concerns that cephalosporin tends to acquire resistance in wildlife species that might be an indication of this antibiotic resistance gene or the pathogen been circulating in our surrounding environment though the mechanism is still unclear. CONCLUSIONS Steps to control antibiotic release and environmental disposal from all uses should be immediate and obligatory. There is a need for detailed system biology analysis of resistance development in-situ.
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Affiliation(s)
- Shahneaz Ali Khan
- Chattogram Veterinary and Animal Sciences University, Zakir Hossain Road,Khulshi, 4225, Chattogram, Bangladesh.
| | - Mohammed Ashif Imtiaz
- Chattogram Veterinary and Animal Sciences University, Zakir Hossain Road,Khulshi, 4225, Chattogram, Bangladesh
| | - Md Abu Sayeed
- Jhenaidah Government Veterinary College, Jhenaidah, Bangladesh
| | - Amir Hossan Shaikat
- Chattogram Veterinary and Animal Sciences University, Zakir Hossain Road,Khulshi, 4225, Chattogram, Bangladesh
| | - Mohammad Mahmudul Hassan
- Chattogram Veterinary and Animal Sciences University, Zakir Hossain Road,Khulshi, 4225, Chattogram, Bangladesh
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Molecular Detection of Multidrug Resistant Salmonella Species Isolated from Broiler Farm in Bangladesh. Pathogens 2020; 9:pathogens9030201. [PMID: 32182918 PMCID: PMC7157442 DOI: 10.3390/pathogens9030201] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Revised: 02/17/2020] [Accepted: 02/18/2020] [Indexed: 01/06/2023] Open
Abstract
Multidrug resistant (MDR) Salmonella are a leading cause of foodborne diseases and serious human health concerns worldwide. In this study we detected MDR Salmonella in broiler chicken along with the resistance genes and class 1 integron gene intl1. A total of 100 samples were collected from broiler farms comprising 50 cloacal swabs, 35 litter and 15 feed samples. Overall prevalence of Salmonella was 35% with the highest detected in cloacal swabs. Among the Salmonella, 30 isolates were confirmed as S. enterica serovar Typhimurium using molecular methods of PCR. Disk diffusion susceptibility test revealed that all the Salmonella were classified as MDR with the highest resistance to tetracycline (97.14%), chloramphenicol (94.28%), ampicillin (82.85%) and streptomycin (77.14%). The most prevalent resistance genotypes were tetA (97.14%), floR (94.28%), blaTEM-1 (82.85%) and aadA1 (77.14%). In addition, among the MDR Salmonella, 20% were positive for class 1 integron gene (intl1). As far as we know, this is the first study describing the molecular basis of antibiotic resistance in MDR Salmonella from broiler farms in Bangladesh. In addition to tetA, floR, blaTEM-1, aadA1 and intl1 were also detected in the isolated MDR Salmonella. The detection of MDR Salmonella in broiler chicken carrying intl1 is of serious public health concern because of their zoonotic nature and possibilities to enter into the food chain.
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