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Molecular Detection of Tetracycline-Resistant Genes in Multi-Drug-Resistant Escherichia coli Isolated from Broiler Meat in Bangladesh. Antibiotics (Basel) 2023; 12:antibiotics12020418. [PMID: 36830329 PMCID: PMC9952414 DOI: 10.3390/antibiotics12020418] [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: 12/30/2022] [Revised: 02/08/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
This study aimed to estimate the antimicrobial resistance (AMR) patterns and tetracycline-resistant gene profiles of Escherichia coli (E. coli) from broiler meat and livers sourced from live bird markets (LBMs) and supermarkets (SMs) in Chattogram, Bangladesh. In total, 405 samples were collected from SMs and LBMs, comprising muscle (n = 215) and liver (n = 190) samples. Disc diffusion tests were used to determine antimicrobial susceptibility profiles. PCR was used to identify E. coli and tetracycline-resistant genes. Over half (57%) of the chicken product samples were positive for E. coli. The AMR profiling of these isolates showed that the highest prevalence of resistance was against sulphamethoxazole-trimethoprim (89%), followed by tetracycline (87%), ampicillin (83%), and ciprofloxacin (61%). Among the antimicrobials listed by the World Health Organization as critically important, E. coli isolates were found to be resistant to cephalexin (37%), gentamicin (32%), and colistin sulfate (21%). A large proportion of E. coli demonstrated multi-drug resistance (MDR). Most (84%) of the tetracycline-resistant isolates encoded tetA. Of the remaining isolates, 0.5% encoded tetC, 6.0% encoded two genes, and 3.6% of isolates were tetD, which was newly identified by this study in Bangladesh. Broiler products in Bangladesh are frequently contaminated with multi-drug-resistant E. coli, with differential carriage of tetracycline genes. The prevalence of tetracycline resistance among E. coli indicates a concern for poultry health and welfare regarding the management of colibacillosis. It also indicates growing public health risks of AMR among broiler-associated pathogens, which can be transferred to humans via the food chain. Appropriate control measures should be developed and implemented, focused on the rational use of antimicrobials in poultry farming systems, to mitigate risk from this drug-resistant zoonotic pathogen from foods of animal origin and to protect public health.
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Islam MN, Roy N, Amin MB, Madilo FK, Karmakar K, Hossain E, Aktarujjaman M, Islam MS, Airin NJ. Food safety knowledge and handling practices among household food handlers in Bangladesh: A cross-sectional study. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.109578] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Sarma PK, Alam MJ, Begum IA. Red meat handlers’ food safety knowledge, attitudes, and practices in the Dhaka megacity of Bangladesh. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2022. [DOI: 10.1080/10942912.2022.2083638] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Paresh Kumar Sarma
- Bangladesh Agricultural University Research System (BAURES), Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Mohammad Jahangir Alam
- Department of Agribusiness and Marketing, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Ismat Ara Begum
- Department of Agricultural Economics, Bangladesh Agricultural University, Mymensingh, Bangladesh
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Factors associated with food safety knowledge and practices among meat handlers in Bangladesh: a cross-sectional study. Environ Health Prev Med 2021; 26:84. [PMID: 34454422 PMCID: PMC8403395 DOI: 10.1186/s12199-021-01004-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 08/11/2021] [Indexed: 11/16/2022] Open
Abstract
Background Food handlers can play a vital role into reducing foodborne diseases by adopting appropriate food handling and sanitation practices in working plants. This study aimed to assess the factors associated with food safety knowledge and practices among meat handlers who work at butcher shops in Bangladesh. Methods A cross-sectional study was conducted among 300 meat handlers from January to March, 2021. Data were collected through in-person interviews using a structured questionnaire. The questionnaire consisted of three parts; socio-demographic characteristics, assessments of food safety knowledge, and food safety practices. A multiple logistic regression model was used to identify the factors associated with food safety knowledge and practices. Results Only 20% [95% confidence interval, (CI) 15.7–24.7] and 16.3% (95% CI 12.3–20.7) of the respondents demonstrated good levels of food safety knowledge and practices, respectively. The factors associated with good levels of food safety knowledge were: having a higher secondary education [adjusted odds ratio (AOR) = 4.57, 95% CI 1.11–18.76], income above 25,000 BDT/month (AOR = 10.52, 95% CI 3.43–32.26), work experience of > 10 years (AOR = 9.31, 95% CI 1.92–45.09), ≥ 8 h per day of work (AOR = 6.14, 95% CI 2.69–13.10), employed on a daily basis (AOR = 4.05, 95% CI 1.16–14.14), and having food safety training (AOR = 8.98 95% CI 2.16–37.32). Good food safety knowledge (AOR = 5.68, 95% CI 2.33–13.87) and working ≥ 8 h per day (AOR = 8.44, 95% CI 3.11–22.91) were significantly associated with a good level of food safety practice. Conclusions Poor knowledge and practices regarding food safety were found among Bangladeshi meat handlers. Findings may help public health professionals and practitioners develop targeted strategies to improve food safety knowledge and practices among this population. Such strategies may include education and sensitization on good food safety practices.
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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: 14] [Impact Index Per Article: 4.7] [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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Parvin MS, Hasan MM, Ali MY, Chowdhury EH, Rahman MT, Islam MT. Prevalence and Multidrug Resistance Pattern of Salmonella Carrying Extended-Spectrum β-Lactamase in Frozen Chicken Meat in Bangladesh. J Food Prot 2020; 83:2107-2121. [PMID: 32663273 DOI: 10.4315/jfp-20-172] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 07/14/2020] [Indexed: 12/27/2022]
Abstract
ABSTRACT Salmonella is an important foodborne pathogen that causes public health problems globally, and the increase of antimicrobial resistance in Salmonella has intensified the problem. Chicken meat is an important reservoir and disseminator of Salmonella to humans. This study aimed at estimating the burden of Salmonella carrying extended-spectrum β-lactamase (ESBL) and their antimicrobial resistance pattern in 113 domestic frozen chicken meat samples purchased from supershops available in five divisional megacities of Bangladesh. The study also focused on the determination of β-lactamase-, and plasmid-mediated quinolone resistance-encoding genes. All samples were analyzed for the presence of Salmonella using selective media and PCR assay. Antimicrobial susceptibility test was done by disk diffusion test, and ESBL screening was performed by double-disk synergy tests. Resistance genes were detected using multiplex PCR. Of samples, 65.5% were positive for Salmonella spp., and, of these, 58.1% isolates were ESBL producers. All the isolates were multidrug resistant (MDR): 40.5% were resistant to both three to five and six to eight antimicrobial classes; 17.6% were resistant to 9 to 11 classes, and 1.4% isolates to 12 to 15 classes. The highest rates of resistance were observed against oxytetracycline (100%), followed by trimethoprim-sulfamethoxazole (89.2%), tetracycline (86.5%), nalidixic acid (83.8%), amoxicillin (74.3%), and pefloxacin (70.3%). Notably, 48.6% of isolates demonstrated resistance to imipenem. One (1.4%) isolate was possibly extensively drug resistant. All the isolates were positive for the blaTEM gene, 2.7% were positive for blaCTX-M-1, and 20.3% for blaNDM-1. The prevalence of qnrA and qnrS genes was 4.1 and 6.8%, respectively. This study shows that ESBL-producing Salmonella are widespread in frozen chicken meat in Bangladesh, which puts greater responsibility on food processors and policy makers to ensure food safety. HIGHLIGHTS
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Affiliation(s)
- Mst Sonia Parvin
- Population Medicine and AMR Laboratory, Department of Medicine, Farmgate, Dhaka-1215, Bangladesh
| | - Md Mehedi Hasan
- Population Medicine and AMR Laboratory, Department of Medicine, Farmgate, Dhaka-1215, Bangladesh
| | - Md Yamin Ali
- Population Medicine and AMR Laboratory, Department of Medicine, Farmgate, Dhaka-1215, Bangladesh.,Department of Livestock Services, Farmgate, Dhaka-1215, Bangladesh
| | | | - Md Tanvir Rahman
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh
| | - Md Taohidul Islam
- Population Medicine and AMR Laboratory, Department of Medicine, Farmgate, Dhaka-1215, Bangladesh
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Parvin MS, Talukder S, Ali MY, Chowdhury EH, Rahman MT, Islam MT. Antimicrobial Resistance Pattern of Escherichia coli Isolated from Frozen Chicken Meat in Bangladesh. Pathogens 2020; 9:pathogens9060420. [PMID: 32481680 PMCID: PMC7350304 DOI: 10.3390/pathogens9060420] [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: 05/01/2020] [Revised: 05/23/2020] [Accepted: 05/25/2020] [Indexed: 01/15/2023] Open
Abstract
Escherichia coli is known as one of the most important foodborne pathogens in humans, and contaminated chicken meat is an important source of foodborne infection with this bacterium. The occurrence of extended-spectrum β-lactamase (ESBL)-producing E. coli (ESBL-Ec), in particular, in chicken meat is considered a global health problem. This study aimed to determine the magnitude of E. coli, with special emphasis on ESBL-Ec, along with their phenotypic antimicrobial resistance pattern in frozen chicken meat. The study also focused on the determination of ESBL-encoding genes in E. coli. A total of 113 frozen chicken meat samples were purchased from 40 outlets of nine branded supershops in five megacities in Bangladesh. Isolation and identification of E. coli were done based on cultural and biochemical properties, as well as PCR assay. The resistance pattern was determined by the disc diffusion method. ESBL-encoding genes were determined by multiplex PCR. The results showed that 76.1% of samples were positive for E. coli, of which 86% were ESBL producers. All the isolates were multidrug-resistant (MDR). Resistance to 9-11 and 12-13 antimicrobial classes was observed in 38.4% and 17.4% isolates, respectively, while only 11.6% were resistant to 3-5 classes. Possible extensive drug resistance (pXDR) was found in 2.3% of isolates. High single resistance was observed for oxytetracycline (93%) and amoxicillin (91.9%), followed by ampicillin (89.5%), trimethoprim-sulfamethoxazole, and pefloxacin (88.4%), and tetracycline (84.9%). Most importantly, 89.6% of isolates were resistant to carbapenems. All the isolates were positive for the blaTEM gene. However, the blaSHV and blaCTX-M-2 genes were identified in two ESBL-non producer isolates. None of the isolates carried the blaCTX-M-1 gene. This study provided evidence of the existence of MDR and pXDR ESBL-Ec in frozen chicken meat in Bangladesh, which may pose a risk to human health if the meat is not properly cooked or pickled raw only. This emphasizes the importance of the implementation of good slaughtering and processing practices by the processors.
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Affiliation(s)
- Mst. Sonia Parvin
- Population Medicine and AMR Laboratory, Department of Medicine, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (M.S.P.); (S.T.); (M.Y.A.)
| | - Sudipta Talukder
- Population Medicine and AMR Laboratory, Department of Medicine, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (M.S.P.); (S.T.); (M.Y.A.)
| | - Md. Yamin Ali
- Population Medicine and AMR Laboratory, Department of Medicine, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (M.S.P.); (S.T.); (M.Y.A.)
| | - Emdadul Haque Chowdhury
- Department of Pathology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh;
| | - Md. Tanvir Rahman
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh;
| | - Md. Taohidul Islam
- Population Medicine and AMR Laboratory, Department of Medicine, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (M.S.P.); (S.T.); (M.Y.A.)
- Correspondence: ; Tel.: +880-916-7401
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