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Munim MA, Das SC, Hossain MM, Hami I, Topu MG, Gupta SD. Multi-drug resistant (MDR) Gram-negative pathogenic bacteria isolated from poultry in the Noakhali region of Bangladesh. PLoS One 2024; 19:e0292638. [PMID: 39088478 PMCID: PMC11293736 DOI: 10.1371/journal.pone.0292638] [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: 10/03/2023] [Accepted: 05/21/2024] [Indexed: 08/03/2024] Open
Abstract
Rapidly increasing antibiotic-resistant bacterial strains in Bangladesh's food and farm animals stem from the excessive and inappropriate use of antibiotics. To assess the prevalence of multi-drug resistant (MDR) Gram-negative bacteria in poultry chicks, we sought to isolate and identify strains carrying antimicrobial resistance genes. Isolation and identification involved biochemical tests, 16S rRNA sequencing, and PCR screening of species-specific genes. MDR patterns were evaluated using CLSI guidelines with seventeen antibiotics across twelve classes. Targeted gene sequences were amplified for the detection of Extended-spectrum β-Lactamase (ESBL), carbapenem, tetracycline, sulfonamide, and colistin resistance genes. Common isolates, such as Escherichia coli, Klebsiella pneumoniae, Proteus penneri, and Enterobacter hormaechei, exhibited average Multiple Antimicrobial Resistance (MAR) indices of 0.66, 0.76, 0.8, 0.84, and 0.81, 0.76, 0.84, 0.41 for broiler and layer chicken, respectively. Providencia stuartii and Salmonella enterica, exclusive to broiler samples, had MAR indices of 0.82 and 0.84, respectively. Additional isolates Morganella morganii, Aeromonas spp., and Wohlfahrtiimonas chitiniclastica were found in layers (Average MAR indices: 0.73, 0.71, and 0.91). Notably, M. morganii, E. hormaechei and W. chitiniclastica were identified for the first time in Bangladeshi poultry chicken, although their evolution is yet to be understood. In this study, Pan-drug resistance was observed in one P. stuartii (broiler) and one Aeromonas spp. (layer) with a MAR index 1, while all isolates exhibited MAR indices >0.2, indicating MDR. Antimicrobial resistance (AMR) gene screening identified blaTEM, blaSHV, tetA, and sul1 in a majority of the MDR strains. Interestingly, E. coli (lactose positive and negative) and E. hormaechei were exclusively found to possess the tetB gene. In addition, E. coli (lactose negative), Klebsiella pneumoniae, Enterobacter hormaechei, M. morganii, and P. stuartii were observed to carry the colistin-resistant mcr-1 gene, whereas sul2 was detected in E. coli (lactose positive and negative), E. hormaechei, P. stuartii, and P. penneri. These findings emphasize the health risk of our consumers of both broiler and layer chickens as they have turned into a potent reservoir of various AMR gene carrying MDR and Pan-drug resistant bacteria.
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Affiliation(s)
- Md. Adnan Munim
- Department of Biotechnology and Genetic Engineering, Noakhali Science and Technology University, Noakhali, Bangladesh
| | - Shuvo Chandra Das
- Department of Biotechnology and Genetic Engineering, Noakhali Science and Technology University, Noakhali, Bangladesh
| | - Md. Murad Hossain
- Department of Biotechnology and Genetic Engineering, Noakhali Science and Technology University, Noakhali, Bangladesh
| | - Ithmam Hami
- Department of Biotechnology and Genetic Engineering, Noakhali Science and Technology University, Noakhali, Bangladesh
| | - Mridul Gope Topu
- Department of Microbiology, Noakhali Science and Technology University, Noakhali, Bangladesh
| | - Shipan Das Gupta
- Department of Biotechnology and Genetic Engineering, Noakhali Science and Technology University, Noakhali, Bangladesh
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Ali MW, Karmakar S, Utsho KS, Kabir A, Arif M, Islam MS, Rahman MT, Hassan J. First detection and characterization of mcr-1 colistin resistant E. coli from wild rat in Bangladesh. PLoS One 2024; 19:e0296109. [PMID: 38743696 PMCID: PMC11093362 DOI: 10.1371/journal.pone.0296109] [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: 11/26/2023] [Accepted: 04/14/2024] [Indexed: 05/16/2024] Open
Abstract
Colistin resistance is a global concern warning for a one health approach to combat the challenge. Colistin resistant E. coli and their resistance determinants are widely distributed in the environment, and rats could be a potential source of these isolates and resistant determinants to a diverse environmental setting. This study was aimed to determine the presence of colistin resistant E. coli (CREC) in wild rats, their antimicrobial resistance (AMR) phenotypes, and genotypic analysis of mcr-1 CREC through whole genome sequencing (WGS). A total of 39 rats were examined and CREC was isolated from their fecal pellets onto MacConkey agar containing colistin sulfate (1 μg/ mL). AMR of the CREC was determined by disc diffusion and broth microdilution was employed to determine MIC to colistin sulfate. CREC were screened for mcr genes (mcr-1 to mcr-8) and phylogenetic grouping by PCR. Finally, WGS of one mcr-1 CREC was performed to explore its genetic characteristics especially resistomes and virulence determinants. 43.59% of the rats carried CREC with one (2.56%) of them carrying CREC with mcr-1 gene among the mcr genes examined. Examination of seventeen (17) isolates from the CREC positive rats (n = 17) revealed that majority of them belonging to the pathogenic phylogroup D (52.94%) and B2 (11.76%). 58.82% of the CREC were MDR on disc diffusion test. Shockingly, the mcr-1 CREC showed phenotypic resistance to 16 antimicrobials of 8 different classes and carried the ARGs in its genome. The mcr-1 gene was located on a 60 kb IncI2 plasmid. On the other hand, ARGs related to aminoglycosides, phenicols, sulfonamides, tetracyclines and trimethoprims were located on a 288 kb mega-plasmid separately. The mcr-1 CREC carried 58 virulence genes including genes related to adhesion, colonization, biofilm formation, hemolysis and immune-evasion. The isolate belonged to ST224 and closely related to E. coli from different sources including UPEC clinical isolates from human based on cgMLST analysis. The current research indicates that rats might be a possible source of CREC, and the presence of mcr-1 and other ARGs on plasmid increases the risk of ARGs spreading and endangering human health and other environmental components through this infamous pest.
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Affiliation(s)
- Md. Wohab Ali
- Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Susmita Karmakar
- Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Kishor Sosmith Utsho
- Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Ajran Kabir
- Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Mohammad Arif
- Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Md. Shafiqul Islam
- Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Md. Tanvir Rahman
- Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Jayedul Hassan
- Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh, Bangladesh
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Ferdous T, Ferdouse S, Hossain MS, Sohidullah M, Marma YNF, Nath SK, Biswas PK. Prevalence of Escherichia coli isolated from oropharynx and trachea of clinically sick poultry and antimicrobial resistance pattern of the strains isolated. Biochem Biophys Rep 2023; 36:101555. [PMID: 37881408 PMCID: PMC10594550 DOI: 10.1016/j.bbrep.2023.101555] [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: 03/13/2023] [Revised: 10/06/2023] [Accepted: 10/07/2023] [Indexed: 10/27/2023] Open
Abstract
The study was carried out to investigate the isolation of Escherichia coli from tracheal and oropharyngeal swab of clinically sick chickens. The antibiotic susceptibility patterns of the isolates to several antimicrobials were determined with a striking emphasis on oxytetracycline. The PCR technique was applied to detect tetA, tetB, and tetC in the tetracycline-resistant isolates. The isolates were initially screened for their resistance patterns against 6 antimicrobials of six different groups using the disc diffusion technique. The results showed that 41% tracheal, 51% oropharyngeal, and 34% samples from both sites were E. coli positive respectively. Antimicrobial resistance profiling of the isolates revealed that all the isolates were resistant to oxytetracycline and sulphamethoxazole-trimethoprim, and also 90 %, 82.9%, 63.4%, and 39% resistant to ciprofloxacin, amoxicillin, gentamicin, and colistin respectively. Notably, 82.9% isolates (95% CI 68.4%-91.8%) showed resistance to ≥3 groups of antimicrobials that means these were multi-drug resistant. Among the tetracycline-resistant isolates, 85.4% (95% CI 71.2%-93.5%), 29.3% (7.5%-44.6%), and 7.3% (1.8% - 20.1) were positive for tetA, tetB, and tetC genes respectively. The frequency of the isolation of E. coli is greater in oropharyngeal than tracheal and both kinds of samples. Commercial poultry with E. coli strains has acquired extensive resistance to oxytetracycline. This study suggests a possible association between the tetA gene and oxytetracycline resistance in E. coli isolates, but further investigations like knockdown, whole-genome sequencing, and rescue experiments are needed to establish a direct causal relationship.
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Affiliation(s)
- Tanima Ferdous
- Department of Microbiology and Veterinary Public Health, Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Khulshi, 4225, Chattogram, Bangladesh
| | - Shaolin Ferdouse
- Department of Animal Nutrition, Faculty of Veterinary, Animal and Biomedical Sciences, Khulna Agricultural University, Khulna, 9100, Bangladesh
| | - Md. Shahadat Hossain
- Upazilla Livestock Office and Veterinary Hospital, Dighalia, 9220, Khulna, Bangladesh
| | - M. Sohidullah
- Department of Microbiology and Public Health, Faculty of Veterinary, Animal and Biomedical Sciences, Khulna Agricultural University, Khulna, 9100, Bangladesh
| | - Yaing Nue Frue Marma
- Livestock Extension Officer, Upazilla Livestock Office and Veterinary Hospital, Lohagara, 4396, Chattogram, Bangladesh
| | - Sabuj Kanti Nath
- Department of Animal Nutrition, Faculty of Veterinary, Animal and Biomedical Sciences, Khulna Agricultural University, Khulna, 9100, Bangladesh
| | - Paritosh Kumar Biswas
- Department of Microbiology and Veterinary Public Health, Faculty of Veterinary Medicine, Chattogram Veterinary and Animal Sciences University, Khulshi, 4225, Chattogram, Bangladesh
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Nath C, Das T, Islam MS, Hasib FMY, Singha S, Dutta A, Barua H, Islam MZ. Colistin Resistance in Multidrug-Resistant Escherichia coli Isolated from Retail Broiler Meat in Bangladesh. Microb Drug Resist 2023; 29:523-532. [PMID: 37699212 DOI: 10.1089/mdr.2023.0026] [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] [Indexed: 09/14/2023] Open
Abstract
The emergence of colistin resistance in Escherichia coli is a global public health concern. Contaminated food can accelerate the spread of colistin-resistant E. coli to humans. This study aimed to detect and characterize colistin-resistant E. coli from broiler meat in Bangladesh. We analyzed 136 pooled broiler meat samples from 240 carcasses collected from 40 live bird markets in urban and rural areas and 8 metropolitan supermarkets. The mean count of E. coli in broiler meat samples collected from rural retail shops, metropolitan supermarkets, and urban retail shops was 5.3 ± 1.1, 4.1 ± 1.4, and 3.9 ± 0.8 log10 colony-forming unit per gram, respectively. Colistin-resistant E. coli (minimum inhibitory concentration >2 mg/L) was found in 78% (95% confidence interval 70.2-84.1%) of the samples. All colistin-resistant isolates harbored the mcr-1 gene, while the rest of the mcr genes (mcr-2 to mcr-9) were not detected. Most colistin-resistant E. coli isolates (98%) showed coresistance to tetracycline, sulfamethoxazole/trimethoprim followed by ciprofloxacin (95%). Alarmingly, all of the colistin-resistant isolates were found to be multidrug resistant. Phylogenetic analysis showed close similarities of the mcr-1 gene sequences of this study with many strains of Enterobacterales isolated from humans, animals, and the environment. This study detected colistin-resistant E. coli contamination in broiler meat, which can pose a serious public health threat.
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Affiliation(s)
- Chandan Nath
- Department of Microbiology and Veterinary Public Health, Chattogram Veterinary and Animal Sciences University, Chattogram, Bangladesh
| | - Tridip Das
- School of Agricultural, Environmental and Veterinary Sciences, Faculty of Sciences and Health, Charles Sturt University, Wagga Wagga, New South Wales, Australia
| | - Md Sirazul Islam
- Department of Pathology and Parasitology, Chattogram Veterinary and Animal Sciences University, Chattogram, Bangladesh
| | - F M Yasir Hasib
- Department of Pathology and Parasitology, Chattogram Veterinary and Animal Sciences University, Chattogram, Bangladesh
- Department of Infectious Diseases and Public Health, City University of Hong Kong, Hong Kong SAR, China
| | - Shuvo Singha
- Department of Veterinary and Animal Sciences, Università degli Studi di Milano, Lodi, Italy
| | - Avijit Dutta
- Department of Microbiology and Veterinary Public Health, Chattogram Veterinary and Animal Sciences University, Chattogram, Bangladesh
| | - Himel Barua
- Department of Microbiology and Veterinary Public Health, Chattogram Veterinary and Animal Sciences University, Chattogram, Bangladesh
| | - Md Zohorul Islam
- Department of Microbiology and Veterinary Public Health, Chattogram Veterinary and Animal Sciences University, Chattogram, Bangladesh
- Department of Veterinary and Animal Sciences, University of Copenhagen, Copenhagen, Denmark
- CSIRO Health & Biosecurity, Australian Centre for Disease Preparedness, Geelong, Victoria, Australia
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Seijas-Pereda L, Rescalvo-Casas C, Hernando-Gozalo M, Angmorkie-Eshun V, Agyei E, Adu-Gyamfi V, Sarsah I, Alfonso-Romero M, Cuadros-González J, Soliveri-de Carranza J, Pérez-Tanoira R. The Antimicrobial Resistance (AMR) Rates of Enterobacterales in a Rural Hospital from the Eastern Region, Ghana: A Retrospective Study, 2022. Antibiotics (Basel) 2023; 12:1321. [PMID: 37627741 PMCID: PMC10451727 DOI: 10.3390/antibiotics12081321] [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: 07/19/2023] [Revised: 08/08/2023] [Accepted: 08/14/2023] [Indexed: 08/27/2023] Open
Abstract
Low- and middle-income countries bear a disproportionate burden of antimicrobial resistance and often lack adequate surveillance due to a paucity of microbiological studies. In this 2022 study, our goal was to contribute to a more precise antimicrobial treatment by understanding the prevalence of resistance in a rural environment, promoting antibiotic stewardship, and raising awareness about antimicrobial resistance. We assessed the prevalence of Multidrug-Resistant (MDR) and Extensively Drug-Resistant (XDR) Enterobacterales in clinical samples from 2905 patients being treated at Saint Dominic's Hospital, Akwatia, in the countryside of the Eastern Region, Ghana, in the year 2022. To this purpose, the samples were cultured on agar plates prepared in the laboratory using purified Oxoid™ Thermo Scientific™ agar (Thermo Fisher Scientific; Waltham, MA, USA). Cystine Lactose Electrolyte-Deficient (CLED) agar was used for urine samples, while blood agar, chocolate agar, and MacConkey agar were used for the rest of the specimens tested (HVS, blood, BFA, sputum). Antimicrobial susceptibility was determined on site using the disc diffusion method (Kirby-Bauer test). MDR bacteria accounted for more than half (53.7%) of all microorganisms tested for three or more antibiotics and 37.3% of these were XDR. Multivariate regression analysis was performed to identify risk factors associated with acquiring MDR/XDR bacteria. The results showed an increased likelihood of MDR acquisition linked to being male (OR 2.39, p < 0.001 for MDR and OR 1.95, p = 0.027 for XDR), higher age (OR 1.01, p = 0.049 for MDR), non-sputum samples (OR 0.32, p = 0.009 for MDR), and urine samples (OR 7.46, p < 0.001 for XDR). These findings emphasize the urgency for surveillance and control of antimicrobial resistance; to this end, making accurate diagnostics, studying the microorganism in question, and conducting susceptibility testing is of the utmost importance.
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Affiliation(s)
- Laura Seijas-Pereda
- Departamento de Biomedicina y Biotecnología, Facultad de Medicina, Universidad de Alcalá, 28805 Madrid, Spain; (C.R.-C.); (J.C.-G.); (J.S.-d.C.)
- Departamento de Microbiología Clínica, Hospital Universitario Príncipe de Asturias, 28805 Madrid, Spain;
| | - Carlos Rescalvo-Casas
- Departamento de Biomedicina y Biotecnología, Facultad de Medicina, Universidad de Alcalá, 28805 Madrid, Spain; (C.R.-C.); (J.C.-G.); (J.S.-d.C.)
- Departamento de Microbiología Clínica, Hospital Universitario Príncipe de Asturias, 28805 Madrid, Spain;
| | - Marcos Hernando-Gozalo
- Departamento de Microbiología Clínica, Hospital Universitario Príncipe de Asturias, 28805 Madrid, Spain;
- Departamento de Química Orgánica y Química Inorgánica, Facultad de Farmacia, Universidad de Alcalá, 28805 Madrid, Spain
| | - Vida Angmorkie-Eshun
- Laboratory of Microbiology, Saint Dominic’s Hospital, Akwatia P.O. Box 59, Ghana; (V.A.-E.); (E.A.); (V.A.-G.); (I.S.); (M.A.-R.)
| | - Eunice Agyei
- Laboratory of Microbiology, Saint Dominic’s Hospital, Akwatia P.O. Box 59, Ghana; (V.A.-E.); (E.A.); (V.A.-G.); (I.S.); (M.A.-R.)
| | - Vivian Adu-Gyamfi
- Laboratory of Microbiology, Saint Dominic’s Hospital, Akwatia P.O. Box 59, Ghana; (V.A.-E.); (E.A.); (V.A.-G.); (I.S.); (M.A.-R.)
| | - Isaac Sarsah
- Laboratory of Microbiology, Saint Dominic’s Hospital, Akwatia P.O. Box 59, Ghana; (V.A.-E.); (E.A.); (V.A.-G.); (I.S.); (M.A.-R.)
| | - Maite Alfonso-Romero
- Laboratory of Microbiology, Saint Dominic’s Hospital, Akwatia P.O. Box 59, Ghana; (V.A.-E.); (E.A.); (V.A.-G.); (I.S.); (M.A.-R.)
| | - Juan Cuadros-González
- Departamento de Biomedicina y Biotecnología, Facultad de Medicina, Universidad de Alcalá, 28805 Madrid, Spain; (C.R.-C.); (J.C.-G.); (J.S.-d.C.)
- Departamento de Microbiología Clínica, Hospital Universitario Príncipe de Asturias, 28805 Madrid, Spain;
| | - Juan Soliveri-de Carranza
- Departamento de Biomedicina y Biotecnología, Facultad de Medicina, Universidad de Alcalá, 28805 Madrid, Spain; (C.R.-C.); (J.C.-G.); (J.S.-d.C.)
| | - Ramón Pérez-Tanoira
- Departamento de Biomedicina y Biotecnología, Facultad de Medicina, Universidad de Alcalá, 28805 Madrid, Spain; (C.R.-C.); (J.C.-G.); (J.S.-d.C.)
- Departamento de Microbiología Clínica, Hospital Universitario Príncipe de Asturias, 28805 Madrid, Spain;
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Karim MR, Zakaria Z, Hassan L, Faiz NM, Ahmad NI. The occurrence and molecular detection of mcr-1 and mcr-5 genes in Enterobacteriaceae isolated from poultry and poultry meats in Malaysia. Front Microbiol 2023; 14:1208314. [PMID: 37601372 PMCID: PMC10435970 DOI: 10.3389/fmicb.2023.1208314] [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: 04/18/2023] [Accepted: 07/12/2023] [Indexed: 08/22/2023] Open
Abstract
The advent of antimicrobials-resistant (AMR), including colistin-resistant bacteria, poses a significant challenge to animal and human health, food safety, socio-economic growth, and the global environment. This study aimed to ascertain the colistin resistance prevalence and molecular mechanisms of colistin resistance in Enterobacteriaceae. The colistin resistance was determined using broth microdilution assay, PCR; and Sanger sequencing of mcr genes responsible for colistin resistance in Enterobacteriaceae (n = 627), including Escherichia coli (436), Salmonella spp. (n = 140), and Klebsiella pneumoniae (n = 51), obtained from chicken and chicken meats. Out of 627 Enterobacteriaceae, 8.6% of isolates exhibited colistin resistance phenotypically. Among these colistin resistant isolates, 9.3% (n = 37) were isolated from chicken meat, 7.2% (n = 11) from the cloacal swab of chicken and 7.9% (n = 6) from the litter samples. Overall, 12.96% of colistin-resistant isolates were positive with mcr genes, in which mcr-1 and mcr-5 genes were determined in 11.11% and 1.85% of colistin-resistant isolates, respectively. The E. coli isolates obtained from chicken meats, cloacal swabs and litter samples were found positive for mcr-1, and Salmonella spp. originated from the chicken meat sample was observed with mcr-5, whereas no mcr genes were observed in K. pneumoniae strains isolated from any of the collected samples. The other colistin resistance genes, including mcr-2, mcr-3, mcr-4, mcr-6, mcr-7, mcr-8, mcr-9, and mcr-10 were not detected in the studied samples. The mcr-1 and mcr-5 genes were sequenced and found to be 100% identical to the mcr-1 and mcr-5 gene sequences available in the NCBI database. This is the first report of colistin resistance mcr-5 gene in Malaysia which could portend the emergence of mcr-5 harboring bacterial strains for infection. Further studies are needed to characterize the mr-5 harbouring bacteria for the determination of plasmid associated with mcr-5 gene.
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Affiliation(s)
- Md Rezaul Karim
- Department of Veterinary Pathology & Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, Serdang, Selangor, Malaysia
- Bangladesh Livestock Research Institute, Dhaka, Bangladesh
| | - Zunita Zakaria
- Department of Veterinary Pathology & Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, Serdang, Selangor, Malaysia
- Institute of Bioscience, Universiti Putra Malaysia, UPM, Serdang, Selangor, Malaysia
| | - Latiffah Hassan
- Department of Veterinary Laboratory Diagnostics, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, Serdang, Selangor, Malaysia
| | - Nik Mohd Faiz
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, Serdang, Selangor, Malaysia
| | - Nur Indah Ahmad
- Department of Veterinary Pathology & Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, Serdang, Selangor, Malaysia
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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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Bastidas-Caldes C, Cisneros-Vásquez E, Zambrano A, Mosquera-Maza A, Calero-Cáceres W, Rey J, Yamamoto Y, Yamamoto M, Calvopiña M, de Waard JH. Co-Harboring of Beta-Lactamases and mcr-1 Genes in Escherichia coli and Klebsiella pneumoniae from Healthy Carriers and Backyard Animals in Rural Communities in Ecuador. Antibiotics (Basel) 2023; 12:antibiotics12050856. [PMID: 37237759 DOI: 10.3390/antibiotics12050856] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/28/2023] [Accepted: 04/30/2023] [Indexed: 05/28/2023] Open
Abstract
Few studies have addressed drug resistance of Enterobacterales in rural communities in developing countries. This study aimed to determine the coexistence of extended-spectrum β-lactamase (ESBL) and carbapenemase genes in Escherichia coli and Klebsiella pneumoniae strains carrying the mcr-1 gene in rural communities in Ecuador from healthy humans and their backyard animals. Sixty-two strains, thirty E. coli and thirty-two K. pneumoniae strains carrying the mcr-1 gene were selected from a previous study. PCR were performed for the presence of ESBLs and carbapenemase genes. The strains were further characterized, and the genetic relationship was studied with multi-locus sequencing typing (MLST) of seven housekeeping genes. Fifty-nine of the sixty-two mcr-1 isolates (95%) harbored at least on β-lactam resistance gene. The most prevalent ESBL genes were the blaTEM genes (present in in 80% of the E. coli strains) and the blaSHV gene (present in 84% of the K. pneumoniae strains). MSLT analysis revealed 28 different sequence types (ST); 15 for E. coli and 12 for K. pneumoniae, with most ST never described in humans and animals. The coexistence of mcr-1 and β-lactams resistant genes in E. coli and K. pneumoniae strains is alarming and threatens the efficacy of last-resort antibiotics. Our findings highlight backyard animals as a reservoir of mcr-1/β-lactams resistant genes.
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Affiliation(s)
- Carlos Bastidas-Caldes
- One Health Research Group, Facultad de Ingeniería y Ciencias Aplicadas, Biotecnología, Universidad de las Américas, Quito 170124, Ecuador
| | - Emily Cisneros-Vásquez
- One Health Research Group, Facultad de Ingeniería y Ciencias Aplicadas, Biotecnología, Universidad de las Américas, Quito 170124, Ecuador
| | - Antonella Zambrano
- One Health Research Group, Facultad de Ingeniería y Ciencias Aplicadas, Biotecnología, Universidad de las Américas, Quito 170124, Ecuador
| | | | - William Calero-Cáceres
- UTA RAM One Health, Department of Food and Biotechnology Science and Engineering, Universidad Técnica de Ambato, Ambato 180103, Ecuador
| | - Joaquín Rey
- Unidad de Patología Infecciosa y Epidemiología, Facultad de Veterinaria, Universidad de Extremadura, 10003 Cáceres, Spain
| | - Yoshimasa Yamamoto
- The United Graduate School of Drug Discovery and Medical Information Sciences, Gifu University, Gifu 501-1193, Japan
| | - Mayumi Yamamoto
- Health Administration Center, Gifu University, Gifu 501-1193, Japan
| | - Manuel Calvopiña
- One Health Research Group, Facultad de Ciencias de la Salud, Universidad de las Américas, Quito 170124, Ecuador
| | - Jacobus H de Waard
- One Health Research Group, Facultad de Ciencias de la Salud, Universidad de las Américas, Quito 170124, Ecuador
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Seethalakshmi PS, Rajeev R, Prabhakaran A, Kiran GS, Selvin J. The menace of colistin resistance across globe: Obstacles and opportunities in curbing its spread. Microbiol Res 2023; 270:127316. [PMID: 36812837 DOI: 10.1016/j.micres.2023.127316] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 11/27/2022] [Accepted: 02/01/2023] [Indexed: 02/11/2023]
Abstract
Colistin-resistance in bacteria is a big concern for public health, since it is a last resort antibiotic to treat infectious diseases of multidrug resistant and carbapenem resistant Gram-negative pathogens in clinical settings. The emergence of colistin resistance in aquaculture and poultry settings has escalated the risks associated with colistin resistance in environment as well. The staggering number of reports pertaining to the rise of colistin resistance in bacteria from clinical and non-clinical settings is disconcerting. The co-existence of colistin resistant genes with other antibiotic resistant genes introduces new challenges in combatting antimicrobial resistance. Some countries have banned the manufacture, sale and distribution of colistin and its formulations for food producing animals. However, to tackle the issue of antimicrobial resistance, a one health approach initiative, inclusive of human, animal, and environmental health needs to be developed. Herein, we review the recent reports in colistin resistance in bacteria of clinical and non-clinical settings, deliberating on the new findings obtained regarding the development of colistin resistance. This review also discusses the initiatives implemented globally in mitigating colistin resistance, their strength and weakness.
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Affiliation(s)
- P S Seethalakshmi
- Department of Microbiology, Pondicherry University, Puducherry 605014, India.
| | - Riya Rajeev
- Department of Microbiology, Pondicherry University, Puducherry 605014, India.
| | | | - George Seghal Kiran
- Department of Food Science and Technology, Pondicherry University, Puducherry 605014, India.
| | - Joseph Selvin
- Department of Microbiology, Pondicherry University, Puducherry 605014, India.
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The conjugative transfer of plasmid-mediated mobile colistin resistance gene, mcr-1, to Escherichia coli O157:H7 and Escherichia coli O104:H4 in nutrient broth and in mung bean sprouts. Food Microbiol 2023; 111:104188. [PMID: 36681389 DOI: 10.1016/j.fm.2022.104188] [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: 08/28/2022] [Revised: 11/10/2022] [Accepted: 11/15/2022] [Indexed: 11/27/2022]
Abstract
The emergence of mobile colistin resistant gene (mcr-1) in Enterobacteriaceae has become a global public health concern. Dissemination of the mcr-1 gene through conjugation of bacteria associated with food may occur. This research investigated the transfer frequency of the mcr-1 gene among Escherichia coli in liquid media and during growth of mung bean sprouts. The donor strain E. coli NCTC 13846 (mcr-1 positive) and recipient strains of E. coli O157:H7 and E. coli O104:H4 were used. Mating experiments in vitro were conducted at 4, 25, and 37 °C for up to 36 h. The in vivo mating experiments (growing sprouts) were conducted in a sprout growth chamber with irrigation of 1 min/h over 6 days following inoculation of mung bean seeds with the donor and a recipient. The highest transfer frequencies in TSB media, 2.86E-07 and 3.24E-07, occurred at 37 °C after mating for 24 h for E. coli O104:H4 and E. coli O157:H7, respectively. Transconjugants were not detected in liquid media at 4 °C. Moreover, transfer frequency (5.68E-05 per recipient) of mcr-1 was greater during mung bean sprout growth for E. coli O104:H4 compared to E. coli O157:H7 (1.02E-05 per recipient) Day 3 to Day 6. This study indicates that the transfer of antibiotic resistant gene(s) among bacteria during mung bean sprout production may facilitate the spread of antibiotic resistant bacteria in the environment and to humans.
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11
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Talat A, Miranda C, Poeta P, Khan AU. Farm to table: colistin resistance hitchhiking through food. Arch Microbiol 2023; 205:167. [PMID: 37014461 DOI: 10.1007/s00203-023-03476-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/07/2023] [Accepted: 03/08/2023] [Indexed: 04/05/2023]
Abstract
Colistin is a high priority, last-resort antibiotic recklessly used in livestock and poultry farms. It is used as an antibiotic for treating multi-drug resistant Gram-negative bacterial infections as well as a growth promoter in poultry and animal farms. The sub-therapeutic doses of colistin exert a selection pressure on bacteria leading to the emergence of colistin resistance in the environment. Colistin resistance gene, mcr are mostly plasmid-mediated, amplifying the horizontal gene transfer. Food products such as chicken, meat, pork etc. disseminate colistin resistance to humans through zoonotic transfer. The antimicrobial residues used in livestock and poultry often leaches to soil and water through faeces. This review highlights the recent status of colistin use in food-producing animals, its association with colistin resistance adversely affecting public health. The underlying mechanism of colistin resistance has been explored. The prohibition of over-the-counter colistin sales and as growth promoters for animals and broilers has exhibited effective stewardship of colistin resistance in several countries.
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Affiliation(s)
- Absar Talat
- Medical and Molecular Microbiology Lab, Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, 202002, India
| | - Carla Miranda
- Microbiology and Antibiotic Resistance Team (MicroART), Department of Veterinary Sciences, University of Trás-Os-Montes and Alto Douro (UTAD), 5000-801, Vila Real, Portugal
- Department of Sciences, University Institute of Health Sciences (IUCS), CESPU, CRL, Gandra, Portugal
- Toxicology Research Unit (TOXRUN), IUCS, CESPU, CRL, Gandra, Portugal
- Associated Laboratory for Green Chemistry (LAQV-REQUIMTE), University NOVA of Lisbon, Caparica, Portugal
| | - Patrícia Poeta
- Microbiology and Antibiotic Resistance Team (MicroART), Department of Veterinary Sciences, University of Trás-Os-Montes and Alto Douro (UTAD), 5000-801, Vila Real, Portugal
- Veterinary and Animal Research Centre (CECAV), University of Trás-Os-Montes and Alto Douro (UTAD)UTAD, Vila Real, Portugal
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), University of Trás-Os-Montes and Alto Douro (UTAD), 5000-801, Vila Real, Portugal
| | - Asad U Khan
- Medical and Molecular Microbiology Lab, Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, 202002, India.
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Ali MW, Utsho KS, Karmakar S, Hoque MN, Rahman MT, Hassan J. First report on the molecular characteristics of mcr-1 colistin resistant E. coli isolated from retail broiler meat in Bangladesh. Int J Food Microbiol 2023; 388:110065. [PMID: 36610233 DOI: 10.1016/j.ijfoodmicro.2022.110065] [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: 10/21/2022] [Revised: 12/15/2022] [Accepted: 12/23/2022] [Indexed: 12/30/2022]
Abstract
Poultry meat is considered as a potential source of colistin resistant Escherichia coli (CREC). This study aimed to determine the prevalence and characteristics of CREC in broiler meat and ascertain their possible zoonotic potential(s). Broiler meat (n = 104) comprising 26 of each of the thigh, breast, liver, and proventriculus-gizzard was purchased from the retail outlets, Bangladesh. CREC was isolated from the meat samples on MacConkey agar plates containing colistin sulfate followed by PCR confirmation, mcr subtyping (mcr-1 to mcr-5), phylogenetic grouping and detailed molecular characterization through whole genome sequencing (WGS). Antimicrobial resistance of the CREC isolates were evaluated by disc diffusion method and MIC (minimum inhibitory concentration) of colistin sulfate was determined by broth microdilution. The investigation revealed 58 (55.77 %) of 104 samples as positive for CREC, and 53 (91.38 %) of CREC isolates carried mcr-1 gene with no other mcr subtypes evident. Most of the CREC belonged to commensal E. coli (66.04 %) with some pathogenic phylotypes (33.96 %) based on dichotomous decision tree. All the mcr-1 CREC isolates were multidrug-resistant (MDR) and had MICs of 4-8 μg/mL colistin sulfate. WGS of a commensal MDR mcr-1 CREC strain 1ChBEc2mcr revealed as a potential human pathogen belonging to ST162 that harbored 60 virulence factors associated genes (VFGs). The mcr-1 gene in 1ChBEc2mcr genome was located on a plasmid (p1ChBEc2mcr) and showed nucleotide similarities (>95 %) to another plasmid reported from human E. coli in Bangladesh. Beyond mcr-1 gene, this plasmid (p1ChBEc2mcr) also harbored genes related to aminoglycoside, beta-lactams, macrolides, and tetracycline resistance. Presence of similar mcr-1 carrying plasmids in broiler and human CREC denotes a threat of possibly human to avian (broiler) or vice-versa transfer of mcr-1 CREC through close contact as prevailing in the retail outlets of Bangladesh.
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Affiliation(s)
- Md Wohab Ali
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Kishor Sosmith Utsho
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Susmita Karmakar
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Md Nazmul Hoque
- Department of Gynecology, Obstetrics & Reproductive Health, Faculty of Veterinary Medicine & Animal Science, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
| | - Md Tanvir Rahman
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Jayedul Hassan
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh.
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A Systematic Review on the Occurrence of Antimicrobial-Resistant Escherichia coli in Poultry and Poultry Environments in Bangladesh between 2010 and 2021. BIOMED RESEARCH INTERNATIONAL 2023; 2023:2425564. [PMID: 36778056 PMCID: PMC9908353 DOI: 10.1155/2023/2425564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 12/26/2022] [Accepted: 01/19/2023] [Indexed: 02/04/2023]
Abstract
Antimicrobial resistance (AMR) is a significant public health issue in Bangladesh like many other developing countries where data on resistance trends are scarce. Moreover, the existence of multidrug-resistant (MDR) Escherichia coli exerts an ominous effect on the poultry sector. Therefore, the current systematic review, following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, was conducted to find out the AMR scenarios in E. coli isolates sourced from poultry and poultry environments in Bangladesh between 2010 and 2021. Following the PRISMA guidelines, a total of 17 published scientific articles were selected for this systematic review. This review revealed that 18 out of 64 districts in Bangladesh reported E. coli in poultry, having a higher prevalence (combined prevalence: 69.3%, 95% confidence interval, CI: 67.3-71%). Moreover, the prevalence ranged from 24.3% to 100%. This review found that E. coli isolates showed resistance to 14 antimicrobial classes and 45 different antimicrobial agents, including the last-line (reserve group) antibiotics and banned antimicrobial categories for the treatment of infections in agricultural animals. Phenotypic resistance of E. coli against penicillins and beta-lactamase inhibitors (20.2%-100%), cephalosporins (1.9%-100%), fluoroquinolones (5.98%-100%), aminoglycosides (6%-100%), tetracyclines (17.7%-100%), carbapenems (13.6%-72.7%), macrolides (11.8%-100%), polymyxins (7.9%-100%), phenicols (20%-97.2%), sulfa drugs (44.7%-100%), cephamycins (21.4%-48.8%), nitrofurans (21.4%-63.2%), monobactams (1.2%), and glycylcyclines (2.3%) was recorded in the last decades in Bangladesh. Also, 14 articles reported MDR E. coli in poultry, including a 100% MDR in nine articles and a 92.7% (95% CI: 91.2-94%) combined percentage of MDR E. coli isolates. Twenty-four different AMR genes encoding resistance to beta-lactams (bla TEM, bla CTX-M-1, bla CTX-M-2, bla CTX-M-9, bla OXA-1, bla OXA-47, bla SHV, and CITM), colistin (mcr1 and mcr3), fluoroquinolones (qnrB and qnrS), tetracyclines (tetA, tetB, and tetC), sulfonamides (sulI and sulII), trimethoprim (dfrA1), aminoglycosides (rmtB), streptomycin (aadA1), gentamicin (aac-3-IV), erythromycin (ereA), and chloramphenicol (catA1 and cmlA) were detected in E. coli isolates. The presence of MDR E. coli and their corresponding resistance genes in poultry and poultry environments is an alarming issue for all health communities in Bangladesh. We suggest a regular antimicrobial surveillance program with a strong One Health approach to lessen the hazardous effects of AMR E. coli in poultry industries in Bangladesh.
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Amin MB, Talukdar PK, Asaduzzaman M, Roy S, Flatgard BM, Islam MR, Saha SR, Sharker Y, Mahmud ZH, Navab-Daneshmand T, Kile ML, Levy K, Julian TR, Islam MA. Effects of chronic exposure to arsenic on the fecal carriage of antibiotic-resistant Escherichia coli among people in rural Bangladesh. PLoS Pathog 2022; 18:e1010952. [PMID: 36480516 PMCID: PMC9731454 DOI: 10.1371/journal.ppat.1010952] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 10/26/2022] [Indexed: 12/13/2022] Open
Abstract
Antibiotic resistance is a leading cause of hospitalization and death worldwide. Heavy metals such as arsenic have been shown to drive co-selection of antibiotic resistance, suggesting arsenic-contaminated drinking water is a risk factor for antibiotic resistance carriage. This study aimed to determine the prevalence and abundance of antibiotic-resistant Escherichia coli (AR-Ec) among people and drinking water in high (Hajiganj, >100 μg/L) and low arsenic-contaminated (Matlab, <20 μg/L) areas in Bangladesh. Drinking water and stool from mothers and their children (<1 year) were collected from 50 households per area. AR-Ec was detected via selective culture plating and isolates were tested for antibiotic resistance, arsenic resistance, and diarrheagenic genes by PCR. Whole-genome sequencing (WGS) analysis was done for 30 E. coli isolates from 10 households. Prevalence of AR-Ec was significantly higher in water in Hajiganj (48%) compared to water in Matlab (22%, p <0.05) and among children in Hajiganj (94%) compared to children in Matlab (76%, p <0.05), but not among mothers. A significantly higher proportion of E. coli isolates from Hajiganj were multidrug-resistant (83%) compared to isolates from Matlab (71%, p <0.05). Co-resistance to arsenic and multiple antibiotics (MAR index >0.2) was observed in a higher proportion of water (78%) and child stool (100%) isolates in Hajiganj than in water (57%) and children (89%) in Matlab (p <0.05). The odds of arsenic-resistant bacteria being resistant to third-generation cephalosporin antibiotics were higher compared to arsenic-sensitive bacteria (odds ratios, OR 1.2-7.0, p <0.01). WGS-based phylogenetic analysis of E. coli isolates did not reveal any clustering based on arsenic exposure and no significant difference in resistome was found among the isolates between the two areas. The positive association detected between arsenic exposure and antibiotic resistance carriage among children in arsenic-affected areas in Bangladesh is an important public health concern that warrants redoubling efforts to reduce arsenic exposure.
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Affiliation(s)
- Mohammed Badrul Amin
- Laboratory of Food Safety and One Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Prabhat Kumar Talukdar
- Paul G. Allen School for Global Health, Washington State University, Pullman, Washington, United States of America
| | - Muhammad Asaduzzaman
- Laboratory of Food Safety and One Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
- Department of Community Medicine and Global Health, Institute of Health and Society, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Subarna Roy
- Laboratory of Food Safety and One Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Brandon M. Flatgard
- Paul G. Allen School for Global Health, Washington State University, Pullman, Washington, United States of America
| | - Md. Rayhanul Islam
- Laboratory of Food Safety and One Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Sumita Rani Saha
- Laboratory of Food Safety and One Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Yushuf Sharker
- Center for Data Research and Analytics LLC, Bethesda, Maryland, United States of America
| | - Zahid Hayat Mahmud
- Laboratory of Environmental Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Tala Navab-Daneshmand
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, Oregon, United States of America
| | - Molly L. Kile
- School of Biological and Population Health Sciences, Oregon State University, Corvallis, Oregon, United States of America
| | - Karen Levy
- Department of Environmental and Occupational Health Sciences, University of Washington, Washington, United States of America
| | - Timothy R. Julian
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland
| | - Mohammad Aminul Islam
- Laboratory of Food Safety and One Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
- Paul G. Allen School for Global Health, Washington State University, Pullman, Washington, United States of America
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15
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Worldwide Prevalence of mcr-mediated Colistin-Resistance Escherichia coli in Isolates of Clinical Samples, Healthy Humans, and Livestock-A Systematic Review and Meta-Analysis. Pathogens 2022; 11:pathogens11060659. [PMID: 35745513 PMCID: PMC9230117 DOI: 10.3390/pathogens11060659] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 05/30/2022] [Accepted: 05/30/2022] [Indexed: 02/04/2023] Open
Abstract
Background: Antimicrobial resistance is a serious public-health problem throughout the world. Escherichia coli, the most common Gram-negative microorganism, has developed different resistance mechanisms, making treating infections difficult. Colistin is considered a last-resort drug in the treatment of infections caused by E. coli. Plasmid-mediated mobile-colistin-resistant (mcr) genes in E. coli, now disseminated globally, are considered a major public-health threat. Humans, chickens, and pigs are the main reservoirs for E. coli and the sources of antibiotic resistance. Hence, an up-to-date and precise estimate of the global prevalence of mcr resistance genes in these reservoirs is necessary to understand more precisely the worldwide spread and to more effectively implement control and prevention strategies. Methodology: Publications were identified in the PubMed database on the basis of the PRISMA guidelines. English full-text articles were selected from December 2014 to March 2021. Descriptive statistics and a meta-analysis were performed in Excel and R software, respectively. Colistin resistance was defined as the molecular-genetic detection of the mcr genes. The crude and estimated prevalence were calculated for each host and continent. The studies were divided into two groups; community-based when they involved isolates from healthy humans, chickens, or pigs, and clinical studies when they involved only hospital, outpatient, or laboratory isolates. Results: A total of 1278 studies were identified and 218 were included in this systematic review and meta-analysis, divided into community studies (159 studies) and clinical studies (59 studies). The general prevalence of mcr-mediated colistin-resistant E. coli (mcrMCRE) was 6.51% (n = 11,583/177,720), reported in 54 countries and on five continents; Asia with 119 studies followed by Europe with 61 studies registered the most articles. Asia reported the major diversity of mcr-variants (eight of nine, except mcr-2). Worldwide, chickens and pigs proved to be the principal reservoir of mcr with an estimated prevalence of 15.8% and 14.9%, respectively. Healthy humans and clinical isolates showed a lower prevalence with 7.4% and 4.2% respectively. Conclusions: In this systematic review and meta-analysis, the worldwide prevalence of mcr in E. coli isolated from healthy humans, chickens, and pigs was investigated. A wide prevalence and distribution of mcr genes was demonstrated on all continents in E. coli isolates from the selected reservoirs. Understanding the epidemiology and occurrence in the reservoirs of mcr in E. coli on different continents of the world facilitates tracing how mcr genes are transmitted and determining the infection risks for humans. This knowledge can be used to reduce the incidence of zoonotic transmission by implementing the appropriate control programs.
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Aklilu E, Harun A, Singh KKB. Molecular characterization of bla NDM, bla OXA-48, mcr-1 and bla TEM-52 positive and concurrently carbapenem and colistin resistant and extended spectrum beta-lactamase producing Escherichia coli in chicken in Malaysia. BMC Vet Res 2022; 18:190. [PMID: 35590358 PMCID: PMC9118571 DOI: 10.1186/s12917-022-03292-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 05/05/2022] [Indexed: 11/25/2022] Open
Abstract
Background Antimicrobial resistance (AMR) is a global public health threat and the use of antibiotics growth promoters in food animals has been implicated as a potential contributing factor in the emergence and spread of AMR. This study was conducted to investigate colistin and carbapenem resistance and extended spectrum beta-lactamase producing E. coli from live broiler chicken and chicken meat in Kelantan, Malaysia. Results Among the E. coli isolates, 37.5% (27/72 were positive for at least one of the resistance genes and one isolate was positive for mcr-1, blaTEM-52, blaNDM and blaOXA-48 whereas 4.17% (3/72) and 2.78% (2/72) were positive for mcr-1, blaTEM-52 and blaOXA-48, and mcr-1, blaTEM-52 and blaIMP. Multilocus sequence typing (MLST) results revealed the presence of widespread E. coli strains belonging to the sequence types ST410 and ST155 and other extra-intestinal E. coli (ExPEC) strains. Phylogroup A made up the majority 51.85% (14/27) followed by phylogroup B1 22.22% (6/27). Conclusions The findings imply the potential threats of colistin, extended-spectrum beta-lactamase producing and carbapenem resistant E. coli in food animals to the public health and underscores the need for judicious use of antibiotics in animal production and good hygiene practices to curb the rising risks of AMR.
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Affiliation(s)
- Erkihun Aklilu
- Faculty of Veterinary Medicine, Universiti Malaysia Kelantan, Locked Box 36, Pengkalan Chepa, 16100, Kota Bharu, Kelantan, Malaysia. .,Department of Medical Microbiology and Parasitology, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang Kerian, Kota Bharu, Kelantan, Malaysia.
| | - Azian Harun
- Department of Medical Microbiology and Parasitology, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang Kerian, Kota Bharu, Kelantan, Malaysia.
| | - Kirnpal Kaur Banga Singh
- Department of Medical Microbiology and Parasitology, School of Medical Sciences, Universiti Sains Malaysia, 16150, Kubang Kerian, Kota Bharu, Kelantan, Malaysia
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Hu J, Yang J, Chen W, Liu Z, Zhao Q, Yang H, Sun Z, Chen X, Li J. Prevalence and Characteristics of mcr-1-Producing Escherichia coli in Three Kinds of Poultry in Changsha, China. Front Microbiol 2022; 13:840520. [PMID: 35464934 PMCID: PMC9021793 DOI: 10.3389/fmicb.2022.840520] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 03/03/2022] [Indexed: 01/02/2023] Open
Abstract
Colistin is one of the last-line drugs against difficult to treat and multidrug-resistant Gram-negative bacteria. The emergence of mobile colistin resistance gene mcr-1 increased worldwide attention on colistin resistance. mcr-1 is the dominant gene that caused resistance to colistin in chicken-derived Escherichia coli (E. coli) in China; it has a broad resistance spectrum and causes multiple drug resistance problems. There are only few studies on mcr-positive E. coli (MCRPEC) from laying ducks and quails in China. Here, the molecular and epidemiological characteristics of MCRPEC from three kinds of poultry farms (laying duck, quail, and broiler) were investigated in Changsha, China. A total of 17 mcr-positive E. coli (MCRPEC) strains were screened in 690 samples from the three kinds of poultry farms. This is the first report on MCRPEC, to our best knowledge, derived from quail. All the MCRPEC strains were resistant to colistin, sulfamethoxazole-trimethoprim, florfenicol, tetracycline, and ciprofloxacin, and mildly resistant to tigecycline, gentamicin, piperacillin/tazobactam, cefotaxime, and ceftiofur. All the strains were sensitive to meropenem and amikacin. By bioinformatics analysis, 17 MCRPEC strains belonging to 11 MLST types were distributed in phylogroups A (58.8%), B1 (23.5%), and phylogroup D (17.6%). mcr-1 was located in IncI2 plasmid with typical plasmid conjugation transfer part, type IV secretory system, and tellurium-resistant protein, increasing transmission capacity to other bacteria. Monitoring of colistin-resistant bacteria in poultry farms should be strengthened.
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Affiliation(s)
- Jufang Hu
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan, China
- Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Changsha, Hunan, China
| | - Jie Yang
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan, China
- Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Changsha, Hunan, China
| | - Wenxin Chen
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan, China
- Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Changsha, Hunan, China
| | - Zhihong Liu
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan, China
- Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Changsha, Hunan, China
| | - Qin Zhao
- Liuyang Animal Disease Prevention and Control Center, Hunan, China
| | - Hui Yang
- Liuyang Animal Disease Prevention and Control Center, Hunan, China
| | - Zhiliang Sun
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan, China
- Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Changsha, Hunan, China
| | - Xiaojun Chen
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan, China
- Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Changsha, Hunan, China
- *Correspondence: Xiaojun Chen,
| | - Jiyun Li
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan, China
- Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Changsha, Hunan, China
- Jiyun Li,
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Uddin MB, Alam MN, Hasan M, Hossain SMB, Debnath M, Begum R, Samad MA, Hoque SF, Chowdhury MSR, Rahman MM, Hossain MM, Hassan MM, Lundkvist Å, Järhult JD, El Zowalaty ME, Ahmed SSU. Molecular Detection of Colistin Resistance mcr-1 Gene in Multidrug-Resistant Escherichia coli Isolated from Chicken. Antibiotics (Basel) 2022; 11:antibiotics11010097. [PMID: 35052973 PMCID: PMC8772701 DOI: 10.3390/antibiotics11010097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 08/12/2021] [Accepted: 08/27/2021] [Indexed: 11/29/2022] Open
Abstract
Zoonotic and antimicrobial-resistant Escherichia coli (hereafter, E. coli) is a global public health threat which can lead to detrimental effects on human health. Here, we aim to investigate the antimicrobial resistance and the presence of mcr-1 gene in E. coli isolated from chicken feces. Ninety-four E. coli isolates were obtained from samples collected from different locations in Bangladesh, and the isolates were identified using conventional microbiological tests. Phenotypic disk diffusion tests using 20 antimicrobial agents were performed according to CLSI-EUCAST guidelines, and minimum inhibitory concentrations (MICs) were determined for a subset of samples. E. coli isolates showed high resistance to colistin (88.30%), ciprofloxacin (77.66%), trimethoprim/sulfamethoxazole (76.60%), tigecycline (75.53%), and enrofloxacin (71.28%). Additionally, the pathotype eaeA gene was confirmed in ten randomly selected E. coli isolates using primer-specific polymerase chain reaction (PCR). The presence of mcr-1 gene was confirmed using PCR and sequencing analysis in six out of ten E. coli isolates. Furthermore, sequencing and phylogenetic analyses revealed a similarity between the catalytic domain of Neisseria meningitidis lipooligosaccharide phosphoethanolamine transferase A (LptA) and MCR proteins, indicating that the six tested isolates were colistin resistant. Finally, the findings of the present study showed that E. coli isolated from chicken harbored mcr-1 gene, and multidrug and colistin resistance. These findings accentuate the need to implement strict measures to limit the imprudent use of antibiotics, particularly colistin, in agriculture and poultry farms.
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Affiliation(s)
- Md Bashir Uddin
- Department of Medicine, Sylhet Agricultural University, Sylhet 3100, Bangladesh; (M.N.A.); (S.M.B.H.); (M.S.R.C.); (M.M.R.); (M.M.H.)
- Correspondence: (M.B.U.); (M.E.E.Z.); (S.S.U.A.)
| | - Mohammad Nurul Alam
- Department of Medicine, Sylhet Agricultural University, Sylhet 3100, Bangladesh; (M.N.A.); (S.M.B.H.); (M.S.R.C.); (M.M.R.); (M.M.H.)
| | - Mahmudul Hasan
- Department of Pharmaceuticals and Industrial Biotechnology, Sylhet Agricultural University, Sylhet 3100, Bangladesh; (M.H.); (S.F.H.)
| | - S. M. Bayejed Hossain
- Department of Medicine, Sylhet Agricultural University, Sylhet 3100, Bangladesh; (M.N.A.); (S.M.B.H.); (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 (BLRI), Savar 1341, Bangladesh; (R.B.); (M.A.S.)
| | - Mohammed A. Samad
- Bangladesh Livestock Research Institute (BLRI), Savar 1341, Bangladesh; (R.B.); (M.A.S.)
| | - Syeda Farjana Hoque
- Department of Pharmaceuticals and Industrial Biotechnology, Sylhet Agricultural University, Sylhet 3100, Bangladesh; (M.H.); (S.F.H.)
| | - Md. Shahidur Rahman Chowdhury
- Department of Medicine, Sylhet Agricultural University, Sylhet 3100, Bangladesh; (M.N.A.); (S.M.B.H.); (M.S.R.C.); (M.M.R.); (M.M.H.)
| | - Md. Mahfujur Rahman
- Department of Medicine, Sylhet Agricultural University, Sylhet 3100, Bangladesh; (M.N.A.); (S.M.B.H.); (M.S.R.C.); (M.M.R.); (M.M.H.)
| | - Md. Mukter Hossain
- Department of Medicine, Sylhet Agricultural University, Sylhet 3100, Bangladesh; (M.N.A.); (S.M.B.H.); (M.S.R.C.); (M.M.R.); (M.M.H.)
| | - Mohammad Mahmudul Hassan
- Department of Physiology, Biochemistry and Pharmacology, Chattogram Veterinary and Animal Sciences University, Chattogram 4225, Bangladesh;
| | - Åke Lundkvist
- Department of Medical Biochemistry and Microbiology, Zoonosis Science Center, Uppsala University, SE 75 123 Uppsala, Sweden;
| | - Josef D. Järhult
- Department of Medical Sciences, Zoonosis Science Center, Uppsala University, SE 75 123 Uppsala, Sweden;
| | - Mohamed E. El Zowalaty
- Department of Medical Biochemistry and Microbiology, Zoonosis Science Center, Uppsala University, SE 75 123 Uppsala, Sweden;
- Correspondence: (M.B.U.); (M.E.E.Z.); (S.S.U.A.)
| | - Syed Sayeem Uddin Ahmed
- Department of Epidemiology and Public Health, Sylhet Agricultural University, Sylhet 3100, Bangladesh
- Correspondence: (M.B.U.); (M.E.E.Z.); (S.S.U.A.)
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High prevalence of plasmid-mediated quinolone resistance (PMQR) among E. coli from aquatic environments in Bangladesh. PLoS One 2021; 16:e0261970. [PMID: 34965260 PMCID: PMC8716050 DOI: 10.1371/journal.pone.0261970] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 12/14/2021] [Indexed: 11/19/2022] Open
Abstract
Fluro(quinolones) is an important class of antibiotic used widely in both human and veterinary medicine. Resistance to fluro(quinolones) can be acquired by either chromosomal point mutations or plasmid-mediated quinolone resistance (PMQR). There is a lack of studies on the prevalence of PMQR in organisms from environmental sources in Bangladesh. In this study, we investigated the occurrence of PMQR genes in E. coli from various water sources and analysed associations between multi-drug resistance (MDR) and resistance to extended spectrum β-lactam antibiotics. We analysed 300 E. coli isolates from wastewaters of urban live-bird markets (n = 74) and rural households (n = 80), rural ponds (n = 71) and river water samples (n = 75) during 2017–2018. We isolated E. coli by filtering 100 ml of water samples through a 0.2μm cellulose membrane and incubating on mTEC agar media followed by identification of isolated colonies using biochemical tests. We selected one isolate per sample for detection of PMQR genes by multiplex PCR and tested for antibiotic susceptibility by disc diffusion. Clonal relatedness of PMQR-positive isolates was evaluated by enterobacterial repetitive intergenic consensus-PCR (ERIC-PCR). About 66% (n = 199) of E. coli isolates harbored PMQR-genes, predominantly qnrS (82%, n = 164) followed by aac(6’)-lb-cr (9%, n = 17), oqxAB (7%, n = 13), qnrB (6%, n = 11) and qepA (4%, n = 8). Around 68% (n = 135) of PMQR-positive isolates were MDR and 92% (n = 183) were extended spectrum β-lactamase (ESBL)-producing of which the proportion of positive samples was 87% (n = 159) for blaCTX-M-1’ 34% (n = 62) for blaTEM, 9% (n = 16) for blaOXA-1,blaOXA-47 and blaCMY-2, and 2% (n = 4) for blaSHV. Further, 16% (n = 32) of PMQR-positive isolates were resistant to carbapenems of which 20 isolates carried blaNDM-1. Class 1 integron (int1) was found in 36% (n = 72) of PMQR-positive E. coli isolates. PMQR genes were significantly associated with ESBL phenotypes (p≤0.001). The presence of several PMQR genes were positively associated with ESBL and carbapenemase encoding genes such as qnrS with blaCTXM-1 (p<0.001), qnrB with blaTEM (p<0.001) and blaOXA-1 (p = 0.005), oqxAB and aac(6’)-lb-cr with blaSHV and blaOXA-1 (p<0.001), qnrB with blaNDM-1 (p<0.001), aac(6’)-lb-cr with blaOXA-47 (p<0.001) and blaNDM-1 (p = 0.002). Further, int1 was found to correlate with qnrB (p<0.001) and qepA (p = 0.011). ERIC-PCR profiles allowed identification of 84 of 199 isolates with 85% matching profiles which were further grouped into 33 clusters. Only 5 clusters had isolates (n = 11) with identical ERIC-PCR profiles suggesting that PMQR-positive E. coli isolates are genetically heterogeneous. Overall, PMQR-positive MDR E. coli were widely distributed in aquatic environments of Bangladesh indicating poor wastewater treatment and highlighting the risk of transmission to humans and animals.
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Huang S, Wang S, Li Y, Fang M, Kou Z, Chen B, Xu L, Bi Z, Xu H, Chi X, Bi Z. Prevalence and transmission of mobilized colistin resistance (mcr-1) gene positive Escherichia coli in healthy rural residents in Shandong province, China. Microbiol Res 2021; 253:126881. [PMID: 34592562 DOI: 10.1016/j.micres.2021.126881] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 09/06/2021] [Accepted: 09/24/2021] [Indexed: 11/25/2022]
Abstract
This study was conducted to explore the prevalence and transmission of mcr-1 Escherichia coli among healthy rural residents in Shandong, China, and to provide theoretical basis for the prevention and control of spread and treatment of multi-drug resistant Escherichia coli. A total of 218 healthy residents from 3 villages in Guan County, Shandong Province, China were included in this study, and their fecal samples were collected. Colistin-resistant Escherichia coli were selected, and their drug sensitivity and plasmids' transferability were measured. After analysis, some conclusions can be drawn. The colistin-resistant Escherichia coli, most strains of which are MDROs, is common and highly transmissible in healthy residents in rural areas in China. Interventions should be implemented to prevent the spread of colistin-resistant Escherichia coli through health education and tighter regulation of antibiotics.
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Affiliation(s)
- Shumei Huang
- School of Public Health, Shandong University, Jinan, 250012, China
| | - Shuang Wang
- Bacterial Infection Disease Control of Institute, Shandong Center for Disease Control and Prevention, Jinan, 250014, China
| | - Yan Li
- Bacterial Infection Disease Control of Institute, Shandong Center for Disease Control and Prevention, Jinan, 250014, China
| | - Ming Fang
- Bacterial Infection Disease Control of Institute, Shandong Center for Disease Control and Prevention, Jinan, 250014, China
| | - Zengqiang Kou
- Bacterial Infection Disease Control of Institute, Shandong Center for Disease Control and Prevention, Jinan, 250014, China
| | - Baoli Chen
- Bacterial Infection Disease Control of Institute, Shandong Center for Disease Control and Prevention, Jinan, 250014, China
| | - Liuchen Xu
- Bacterial Infection Disease Control of Institute, Shandong Center for Disease Control and Prevention, Jinan, 250014, China
| | - Zhenwang Bi
- The Affiliated Shandong Provincial Hospital, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250062, China
| | - Hao Xu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital of Medical School of Zhejiang University, Hang Zhou, 310003, China
| | - Xiaohui Chi
- Department of Public Health of Zhejiang University, Hang Zhou, 310058, China
| | - Zhenqiang Bi
- Bacterial Infection Disease Control of Institute, Shandong Center for Disease Control and Prevention, Jinan, 250014, China.
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21
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Iskandar K, Molinier L, Hallit S, Sartelli M, Hardcastle TC, Haque M, Lugova H, Dhingra S, Sharma P, Islam S, Mohammed I, Naina Mohamed I, Hanna PA, Hajj SE, Jamaluddin NAH, Salameh P, Roques C. Surveillance of antimicrobial resistance in low- and middle-income countries: a scattered picture. Antimicrob Resist Infect Control 2021; 10:63. [PMID: 33789754 PMCID: PMC8011122 DOI: 10.1186/s13756-021-00931-w] [Citation(s) in RCA: 121] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Accepted: 03/22/2021] [Indexed: 01/07/2023] Open
Abstract
Data on comprehensive population-based surveillance of antimicrobial resistance is lacking. In low- and middle-income countries, the challenges are high due to weak laboratory capacity, poor health systems governance, lack of health information systems, and limited resources. Developing countries struggle with political and social dilemma, and bear a high health and economic burden of communicable diseases. Available data are fragmented and lack representativeness which limits their use to advice health policy makers and orientate the efficient allocation of funding and financial resources on programs to mitigate resistance. Low-quality data means soaring rates of antimicrobial resistance and the inability to track and map the spread of resistance, detect early outbreaks, and set national health policy to tackle resistance. Here, we review the barriers and limitations of conducting effective antimicrobial resistance surveillance, and we highlight multiple incremental approaches that may offer opportunities to strengthen population-based surveillance if tailored to the context of each country.
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Affiliation(s)
- Katia Iskandar
- Department of Mathématiques Informatique et Télécommunications, Université Toulouse III, Paul Sabatier, INSERM, UMR 1027, 31000, Toulouse, France.
- INSPECT-LB, Institut National de Santé Publique, d'Épidémiologie Clinique et de Toxicologie-Liban, Beirut, 6573-14, Lebanon.
- Faculty of Pharmacy, Lebanese University, Mount Lebanon, Lebanon.
| | - Laurent Molinier
- Faculté de Médecine, Equipe constitutive du CERPOP, UMR1295, unité mixte INSERM, Université Paul Sabatier Toulouse III, 31000, Toulouse, France
| | - Souheil Hallit
- INSPECT-LB, Institut National de Santé Publique, d'Épidémiologie Clinique et de Toxicologie-Liban, Beirut, 6573-14, Lebanon
- Faculty of Medicine and Medical Sciences, Holy Spirit University of Kaslik (USEK), Jounieh, Lebanon
| | - Massimo Sartelli
- Department of Surgery, University of Macerata, 62100, Macerata, Italy
| | - Timothy Craig Hardcastle
- Department of Trauma Service, Inkosi Albert Luthuli Central Hospital, Durban, 4091, South Africa
- Department of Surgery, Nelson Mandela School of Clinical Medicine, University of KwaZulu-Natal, Congela, 4041, Durban, South Africa
| | - Mainul Haque
- Unit of Pharmacology, Faculty of Medicine and Defence Health, Universiti Pertahanan Nasional Malaysia (National Defence University of Malaysia), Kem Perdana Sungai Besi, 57000, Malaysia
| | - Halyna Lugova
- Faculty of Medicine and Defence Health, National Defence University of Malaysia, 57000, Kuala Lumpur, Malaysia
| | - Sameer Dhingra
- Department of Pharmacy Practice, National Institute of Pharmaceutical Education and Research (NIPER) Hajipur, Bihar, India
| | - Paras Sharma
- Department of Pharmacognosy, BVM College of Pharmacy, Gwalior, India
| | - Salequl Islam
- Department of Microbiology, Jahangirnagar University, Savar, Dhaka-1342, Bangladesh
| | - Irfan Mohammed
- Department of Restorative Dentistry, Federal University of Pelotas School of Dentistry, Pelotas, RS, 96020-010, Brazil
| | - Isa Naina Mohamed
- Pharmacoepidemiology and Drug Safety Unit, Pharmacology Department, Medical Faculty, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Kuala Lumpur, Malaysia
| | - Pierre Abi Hanna
- Faculty of Pharmacy, Lebanese University, Mount Lebanon, Lebanon
| | - Said El Hajj
- Department of Medicine, Lebanese University, Beirut, Lebanon
| | - Nurul Adilla Hayat Jamaluddin
- Pharmacoepidemiology and Drug Safety Unit, Pharmacology Department, Medical Faculty, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Kuala Lumpur, Malaysia
| | - Pascale Salameh
- INSPECT-LB, Institut National de Santé Publique, d'Épidémiologie Clinique et de Toxicologie-Liban, Beirut, 6573-14, Lebanon
- Department of Medicine, Lebanese University, Beirut, Lebanon
- Faculty of Medicine, University of Nicosia, Nicosia, Cyprus
| | - Christine Roques
- Department of Bactériologie-Hygiène, Centre Hospitalier Universitaire, Hôpital Purpan, 31330, Toulouse, France
- Department of Bioprocédés et Systèmes Microbiens, Laboratoire de Génie Chimique, Université Paul Sabatier Toulouse III, UMR 5503, 31330, Toulouse, France
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22
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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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Talavera-González JM, Talavera-Rojas M, Soriano-Vargas E, Vázquez-Navarrete J, Salgado-Miranda C. In vitro transduction of antimicrobial resistance genes into Escherichia coli isolates from backyard poultry in Mexico. Can J Microbiol 2021; 67:415-425. [PMID: 33395360 DOI: 10.1139/cjm-2020-0280] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
The transmission of multidrug-resistant pathogens and antimicrobial resistance genes is an emerging problem involving multiple factors (humans, domestic animals, wildlife). The aim of this study was to investigate the presence of Escherichia coli isolates with different antimicrobial resistance genes from backyard poultry and to demonstrate the in vitro transduction phenomenon of these genes between phages from migratory wild birds and poultry E. coli isolates. We collected 197 E. coli isolates from chickens, turkeys, and ducks in backyard production units (northern region of the State of Mexico). Isolates were resistant to ampicillin (80.7%), tetracycline (64.4%), carbenicillin (56.3%), and nalidixic acid and trimethoprim-sulfamethoxazole (both, 26.9%). Moreover, the genes blaTEM (56.3%), tetB (20.8%), tetA (19.2%), sulI (7.6%), sulII (10.1%), qnrA (9.6%), and qnrB (5.5%) were found. In vitro transduction using phages from migratory wild birds sampled in the wetland Chimaliapan (State of Mexico) was successfully achieved. It was possible to transduce qnrA, tetB, blaTEM, and sulII genes to E. coli isolates from poultry. This is the first report that describes the transduction of antimicrobial resistance genes from phages of migratory wild birds to poultry and suggests the possible transmission in backyard production units.
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Affiliation(s)
- Juan Martín Talavera-González
- Centro de Investigación y Estudios Avanzados en Salud Animal, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Carretera Toluca-Atlacomulco, Km 15.5, Toluca, Estado de México 50200, México
| | - Martín Talavera-Rojas
- Centro de Investigación y Estudios Avanzados en Salud Animal, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Carretera Toluca-Atlacomulco, Km 15.5, Toluca, Estado de México 50200, México
| | - Edgardo Soriano-Vargas
- Centro de Investigación y Estudios Avanzados en Salud Animal, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Carretera Toluca-Atlacomulco, Km 15.5, Toluca, Estado de México 50200, México
| | - Jesús Vázquez-Navarrete
- Centro Nacional de Investigación Disciplinaria en Salud Animal e Inocuidad, Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias, Carretera México-Toluca Km. 15.5, Ciudad de México, México
| | - Celene Salgado-Miranda
- Centro de Investigación y Estudios Avanzados en Salud Animal, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Carretera Toluca-Atlacomulco, Km 15.5, Toluca, Estado de México 50200, México
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24
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Al Amin M, Hoque MN, Siddiki AZ, Saha S, Kamal MM. Antimicrobial resistance situation in animal health of Bangladesh. Vet World 2020; 13:2713-2727. [PMID: 33487990 PMCID: PMC7811541 DOI: 10.14202/vetworld.2020.2713-2727] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Accepted: 11/12/2020] [Indexed: 11/16/2022] Open
Abstract
Antimicrobial resistance (AMR) is a crucial multifactorial and complex global problem and Bangladesh poses a regional and global threat with a high degree of antibiotic resistance. Although the routine application of antimicrobials in the livestock industry has largely contributed to the health and productivity, it correspondingly plays a significant role in the evolution of different pathogenic bacterial strains having multidrug resistance (MDR) properties. Bangladesh is implementing the National Action Plan (NAP) for containing AMR in human, animal, and environment sectors through “One Health” approach where the Department of Livestock Services (DLS) is the mandated body to implement NAP strategies in the animal health sector of the country. This review presents a “snapshot” of the predisposing factors, and current situations of AMR along with the weakness and strength of DLS to contain the problem in animal farming practices in Bangladesh. In the present review, resistance monitoring data and risk assessment identified several direct and/or indirect predisposing factors to be potentially associated with AMR development in the animal health sector of Bangladesh. The predisposing factors are inadequate veterinary healthcare, monitoring and regulatory services, intervention of excessive informal animal health service providers, and farmers’ knowledge gap on drugs, and AMR which have resulted in the misuse and overuse of antibiotics, ultimate in the evolution of antibiotic-resistant bacteria and genes in all types of animal farming settings of Bangladesh. MDR bacteria with extreme resistance against antibiotics recommended to use in both animals and humans have been reported and been being a potential public health hazard in Bangladesh. Execution of extensive AMR surveillance in veterinary practices and awareness-building programs for stakeholders along with the strengthening of the capacity of DLS are recommended for effective containment of AMR emergence and dissemination in the animal health sector of Bangladesh.
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Affiliation(s)
- Md Al Amin
- Quality Control Laboratory, Department of Livestock Services, Savar, Dhaka-1341, Bangladesh
| | - M Nazmul Hoque
- Department of Gynecology, Obstetrics and Reproductive Health, Faculty of Veterinary Medicine and Animal Science, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur-1706, Bangladesh
| | - Amam Zonaed Siddiki
- Department of Pathology and Parasitology, Chattogram Veterinary and Animal Sciences University, Chattogram, Bangladesh
| | - Sukumar Saha
- Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh
| | - Md Mostofa Kamal
- Quality Control Laboratory, Department of Livestock Services, Savar, Dhaka-1341, Bangladesh
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25
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Detection of Plasmid-Mediated Colistin Resistant mcr-1 Gene in Escherichia coli Isolated from Infected Chicken Livers in Nepal. Animals (Basel) 2020; 10:ani10112060. [PMID: 33171808 PMCID: PMC7694996 DOI: 10.3390/ani10112060] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 10/22/2020] [Accepted: 10/25/2020] [Indexed: 12/16/2022] Open
Abstract
Background: Plasmid-mediated resistance to the colistin in poultry is considered as an emerging problem worldwide. While poultry constitutes the major industry in Nepal, there is a paucity of evidence on colistin resistance in Escherichia coli isolates causing natural infections in poultry. This study aimed to explore the prevalence of plasmid-mediated colistin resistance gene, mcr-1 in E. coli isolated from liver samples of dead poultry suspected of E. coli infections. Methods: A total of two hundred and seventy liver samples (227 broilers and 43 layers) from dead poultry suspected of colibacillosis were collected from post-mortem in the Central Veterinary Laboratory (CVL), Kathmandu, between 1 February and 31 July 2019. The specimens were processed to isolate and identify E. coli; an antimicrobial susceptibility test (AST) using disk diffusion method was performed with 12 different antibiotics: Amikacin (30 µg), ampicillin (10 µg), ciprofloxacin (5 µg), chloramphenicol (30 µg), cefoxitin (30 µg), ceftazidime (30 µg), ceftriaxone (30 µg), cotrimoxazole (25 µg), gentamicin (10 µg), imipenem (10 µg), levofloxacin (5 µg) and tetracycline (30 µg). Colistin resistance was determined by agar dilution method and colistin-resistant strains were further screened for plasmid-mediated mcr-1 gene, using conventional polymerase chain reaction (PCR). Results: Out of 270 liver samples, 53.3% (144/270) showed growth of E. coli. The highest number (54%; 109/202) of E. coli isolates was obtained in the liver samples from poultry birds (of both types) aged less than forty days. In AST, 95.1% (137/144) and 82.6% (119/144) of E. coli isolates were resistant against tetracycline and ciprofloxacin, respectively, while 13.2% (19/144) and 25.7% (37/144) isolates were resistant to cefoxitin and imipenem, respectively. In the same assay, 76.4% (110/144) E. coli isolates were multi-drug resistant (MDR). The phenotypic prevalence of colistin resistance was 28.5% (41/144). In the PCR assay, 43.9% (18/41) of colistin-resistant isolates were screened positive for plasmid-mediated mcr-1. Conclusion: The high prevalence of mcr-1 in colistin-resistant E. coli isolates in our study is a cause of concern for the probable coming emergence of colistin resistance in human pathogens, due to horizontal transfer of resistant genes from poultry to human isolates.
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High prevalence of mcr-1-encoded colistin resistance in commensal Escherichia coli from broiler chicken in Bangladesh. Sci Rep 2020; 10:18637. [PMID: 33122817 PMCID: PMC7596488 DOI: 10.1038/s41598-020-75608-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Accepted: 10/16/2020] [Indexed: 12/21/2022] Open
Abstract
Colistin is a last-resort antimicrobial used for the treatment of human infections caused by multidrug-resistant Gram-negative bacteria. However, colistin is still widely used in intensive poultry production in Bangladesh. We aimed to investigate the dynamics and genetic diversity of colistin-resistant commensal Escherichia coli from broiler chickens. A total of 1200 E. coli strains were characterized from 20 broiler farms at three-time points along the production period. All strains were screened for mcr-1 to mcr-5 genes by a multiplex PCR, and their genetic diversity was measured by repetitive extragenic palindromic (REP)-PCR fingerprinting. Genomic diversity and characterization were performed by whole genome sequencing (WGS). Twenty-five percent of the commensal E. coli strains harbored mcr-1 genes. Frequency of mcr-1 gene detection correlated positively (odds ratio 1.71; 95% CI 0.96-3.06; p = 0.068) with the use of colistin in poultry flocks. REP-PCR profiles and WGS analysis showed diverse E. coli population carrying multiple antimicrobial resistance genes. Phylogenetic comparison of mcr-1-bearing strains recovered from this study with a global strain collection revealed wide phylogenetic relationship. This study identified a high prevalence of mcr-1 gene among genetically diverse E. coli populations from broiler chickens in Bangladesh suggesting a massive horizontal spread of mcr-1 rather than by clonal expansion.
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Muktan B, Thapa Shrestha U, Dhungel B, Mishra BC, Shrestha N, Adhikari N, Banjara MR, Adhikari B, Rijal KR, Ghimire P. Plasmid mediated colistin resistant mcr-1 and co-existence of OXA-48 among Escherichia coli from clinical and poultry isolates: first report from Nepal. Gut Pathog 2020; 12:44. [PMID: 32963589 PMCID: PMC7499862 DOI: 10.1186/s13099-020-00382-5] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 09/08/2020] [Indexed: 02/07/2023] Open
Abstract
Background Plasmid-mediated resistance to the last-resort drugs: carbapenems and colistin is an emerging public health threat. The studies on the prevalence and co-expression of resistant genes among livestock and human pathogens are rare in Nepal. This is the first study in Nepal exploring the prevalence and co-existence of colistin resistance gene, mcr-1 along with carbapenemase resistance gene, OXA-48 in Escherichia coli isolated from poultry and clinical specimens. Methods A total of 240 rectal swabs from chickens of five different poultry farms of Kathmandu valley and 705 mid-stream urine samples from human subjects attending Kantipur Hospital, Kathmandu were collected between August, 2018 and March, 2019. Rectal swabs and urine specimens were cultured. E. coli isolated from the specimens were screened for antimicrobial susceptibility testing (AST) using disk diffusion method’. Minimum inhibitory concentration (MIC) of colistin was determined by agar dilution method using 0.5 µg/ml to 32 µg/ml. The E. coli isolates were first screened for mcr-1 followed by screening for OXA-48 genes using conventional Polymerase chain reaction (PCR). Results Of the total samples analyzed, E. coli was isolated from 31.7% (76/240) of poultry and 7.9% (56/705) of clinical specimens. In AST, 80% (61/76) of E. coli from poultry and 79% (44/56) from clinical specimens were MDR. The phenotypic prevalence of colistin resistance in poultry specimens were 31.6% (24/76) and clinical specimens were 21.4% (12/56). In PCR assay, 27.6% (21/76) of poultry and 19.6% (11/56) of clinical isolates had colistin resistant mcr-1 gene. MICs value of E. coli isolates ranged from 4 to 32 (µg/ml) in both clinical and poultry isolates. Prevalence of co-existing carbapenem resistance gene, OXA-48, among colistin resistant mcr-1 positive isolates was 38% (8/21) in poultry specimens and 18.2% (2/11) in clinical specimens. Conclusions The high prevalence of colistin and carbapenem resistant genes, and their co-existence in plasmid DNA of E. coli isolates in this study suggests the possible spread to other animal, human and environmental pathogens. Molecular methods in addition to the conventional diagnostics in laboratories can help in early diagnosis, effective management and control of their potential transmission.
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Affiliation(s)
- Bijaya Muktan
- Central Department of Microbiology, Tribhuvan University, Kirtipur, Kathmandu, Nepal
| | | | - Binod Dhungel
- Central Department of Microbiology, Tribhuvan University, Kirtipur, Kathmandu, Nepal
| | | | - Nabaraj Shrestha
- Central Veterinary Laboratory, Ministry of Agriculture, Land Management and Cooperatives, Government of Nepal, Tripureshwor, Kathmandu, Nepal
| | - Nabaraj Adhikari
- Central Department of Microbiology, Tribhuvan University, Kirtipur, Kathmandu, Nepal
| | - Megha Raj Banjara
- Central Department of Microbiology, Tribhuvan University, Kirtipur, Kathmandu, Nepal
| | - Bipin Adhikari
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Komal Raj Rijal
- Central Department of Microbiology, Tribhuvan University, Kirtipur, Kathmandu, Nepal
| | - Prakash Ghimire
- Central Department of Microbiology, Tribhuvan University, Kirtipur, Kathmandu, Nepal
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Co-harboring of mcr-1 and β-lactamase genes in Pseudomonas aeruginosa by high-resolution melting curve analysis (HRMA): Molecular typing of superbug strains in bloodstream infections (BSI). INFECTION GENETICS AND EVOLUTION 2020; 85:104518. [PMID: 32891877 DOI: 10.1016/j.meegid.2020.104518] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 08/05/2020] [Accepted: 08/25/2020] [Indexed: 11/21/2022]
Abstract
Background Colistin resistance in P. aeruginosa (CRPA) is due to the appearance of superbug strains. As this pathogen gains more transferrable resistance mechanisms and continues to adapt to acquire additional resistance mechanisms during antimicrobial therapy rapidly, we face the growing threat of CRPA in bloodstream infections (BSI). This study designed to evaluate the frequency of CRPA strains producing different β-lactamases by the High-Resolution Melting Curve Analysis (HRMA) method in BSI and to characterize the different types by multilocus sequence typing (MLST). MATERIAL AND METHODS Sixty-nine (69) P. aeruginosa isolates were collected from blood culture. MIC E-test methods examined the antimicrobial susceptibilities of the bacterial isolates. Detection of resistant strains performed by using HRMA assay. RESULTS The strains resistant to amikacin (n = 11; 15.94%) and colistin (n = 10; 14.49%) were the least abundant and the gentamicin (n = 56; 82.6%) and ciprofloxacin (n = 67; 97.10%) resistant strains were the most frequent. Also, 39 isolates (56.52%) considered as multidrug-resistant (MDR), 20 isolates (28.98%) as extensively drug resistant (XDR), and 11 isolates (15.94%) as Pandrug Resistance (PDR). Further, 32 isolates (46.37%) considered as AmpC producer, and 28 isolates (40.57%) were considered an MBL producer. According to HRMA results, the blaSPM gene was detected in 19 isolates (27.53%), blaNDM gene in 11 isolates (15.94%), blaFOX gene in 31 isolates (44.92%), mcr-1 gene in 10 isolates (14.49%), blaACC and blaVIM genes in 27 isolates (39.13%), and blaTEM gene was reported in 20 isolates (28.98%). Furthermore, P. aeruginosa PASGNDM699, ST3340, and ST235 identified in 1.44%, 11.59% and 17.39% isolates, respectively. CONCLUSION CRPA strains play an essential role in the spread of antibiotic resistance in BSI. Likewise, the HRMA method was sensitive and specific for the detection of superbugs. Moreover, MLST analysis of a diverse collection of P. aeruginosa from blood culture suggests that particular strains or clonal complexes are associated with antibiotic resistance profile.
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