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Hasan M, Talukder S, Mandal AK, Tasmim ST, Parvin S, Ali Y, Sikder MH, Callaghan TJ, Soares Magalhães RJ, Islam T. Antimicrobial Resistance Profiles of Campylobacter spp. Recovered from Chicken Farms in Two Districts of Bangladesh. Foodborne Pathog Dis 2024. [PMID: 38563794 DOI: 10.1089/fpd.2023.0079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024] Open
Abstract
The rapid emergence of antimicrobial resistance (AMR) in Campylobacter has reinforced its status as a foodborne pathogen of significant public health concern. Resistant Campylobacter is typically transferred to humans via the consumption of contaminated animal products, particularly poultry. The genes associated with antimicrobial resistance in Campylobacter spp. are poorly understood. To address this knowledge gap, we conducted a prevalence survey of AMR Campylobacter across 84 chicken farms in two districts of Bangladesh. Pooled cloacal swabs were collected from chickens and underwent bacteriological testing for Campylobacter spp. with PCR confirmation. Antimicrobial susceptibility was tested against 14 antibiotics by disk diffusion method, and 12 resistance genes were screened in Campylobacter-positive isolates using multiplex PCR. A total of 34 (40.5%) farms were Campylobacter-positive of which 73.5% of isolates were resistant to at least 10 antibiotics. The antimicrobial susceptibility results indicate a high level of resistance against streptomycin (97.1%), clindamycin (97.1%), ampicillin (94.1%), tetracycline (94.1%), erythromycin (91.2%), ciprofloxacin (88.2%), nalidixic acid (85.3%), and imipenem (82.4%), and comparatively a low frequency of resistance to chloramphenicol (47.1%), ceftazidime (44.1%), and colistin (35.3%). Multidrug-resistant (MDR) and extensively drug-resistant Campylobacter were identified in 97.1%, and 50% of isolates, respectively. Ten resistance genes were identified including blaTEM (in 97.1% of isolates), strA-strB (85.9%), tetA (70.6%), tetB (32.4%), qnrS (23.5%), blaCTX-M-1 (20.6%), qnrB (20.6%), blaSHV (8.8%), aadB (5.9%), and qnrA (2.9%). Our findings demonstrate that resistance to ampicillin, tetracycline, and ceftazidime in Campylobacter isolates was significantly (p ≤ 0.05) associated with the presence of blaTEM, tetA, and blaSHV genes, respectively. The high rates of AMR in Campylobacter isolates from our study are not surprising given the liberal use of antimicrobials and incomplete biosecurity provisions on farms. Of particular concern are resistance rates to those classes of antibiotics that should be reserved for human use (azithromycin, ciprofloxacin, and colistin). AMR was more prevalent in chicken farms that used multiple antibiotics, engaged in prophylactic treatment of the birds, and improperly disposed of antibiotic packages. The high prevalence of MDR in chicken-derived Campylobacter isolates from the different regions of our study reinforces the need for more prudent use of antimicrobial compounds in Bangladeshi chicken farms.
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Affiliation(s)
- Mehedi Hasan
- Population Medicine and AMR Laboratory, Department of Medicine, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Sudipta Talukder
- Population Medicine and AMR Laboratory, Department of Medicine, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Amit Kumar Mandal
- Population Medicine and AMR Laboratory, Department of Medicine, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Syeda Tanjina Tasmim
- Population Medicine and AMR Laboratory, Department of Medicine, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Sonia Parvin
- Population Medicine and AMR Laboratory, Department of Medicine, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Yamin Ali
- Population Medicine and AMR Laboratory, Department of Medicine, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, Bangladesh
- Department of Livestock Services, Dhaka, Bangladesh
| | - Mahmudul Hasan Sikder
- Department of Pharmacology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Thomas J Callaghan
- UQ Spatial Epidemiology Laboratory, School of Veterinary Science, The University of Queensland, Gatton, Queensland, Australia
| | - Ricardo J Soares Magalhães
- UQ Spatial Epidemiology Laboratory, School of Veterinary Science, The University of Queensland, Gatton, Queensland, Australia
- Children's Health and Environment Program, Child Health Research Centre, The University of Queensland, South Brisbane, Queensland, Australia
| | - Taohidul Islam
- Population Medicine and AMR Laboratory, Department of Medicine, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, Bangladesh
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Manyi-Loh CE, Lues R. A South African Perspective on the Microbiological and Chemical Quality of Meat: Plausible Public Health Implications. Microorganisms 2023; 11:2484. [PMID: 37894142 PMCID: PMC10608972 DOI: 10.3390/microorganisms11102484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 09/06/2023] [Accepted: 09/20/2023] [Indexed: 10/29/2023] Open
Abstract
Meat comprises proteins, fats, vitamins, and trace elements, essential nutrients for the growth and development of the body. The increased demand for meat necessitates the use of antibiotics in intensive farming to sustain and raise productivity. However, the high water activity, the neutral pH, and the high protein content of meat create a favourable milieu for the growth and the persistence of bacteria. Meat serves as a portal for the spread of foodborne diseases. This occurs because of contamination. This review presents information on animal farming in South Africa, the microbial and chemical contamination of meat, and the consequential effects on public health. In South Africa, the sales of meat can be operated both formally and informally. Meat becomes exposed to contamination with different categories of microbes, originating from varying sources during preparation, processing, packaging, storage, and serving to consumers. Apparently, meat harbours diverse pathogenic microorganisms and antibiotic residues alongside the occurrence of drug resistance in zoonotic pathogens, due to the improper use of antibiotics during farming. Different findings obtained across the country showed variations in prevalence of bacteria and multidrug-resistant bacteria studied, which could be explained by the differences in the manufacturer practices, handling processes from producers to consumers, and the success of the hygienic measures employed during production. Furthermore, variation in the socioeconomic and political factors and differences in bacterial strains, geographical area, time, climatic factors, etc. could be responsible for the discrepancy in the level of antibiotic resistance between the provinces. Bacteria identified in meat including Escherichia coli, Listeria monocytogenes, Staphylococcus aureus, Campylobacter spp., Salmonella spp., etc. are incriminated as pathogenic agents causing serious infections in human and their drug-resistant counterparts can cause prolonged infection plus long hospital stays, increased mortality and morbidity as well as huge socioeconomic burden and even death. Therefore, uncooked meat or improperly cooked meat consumed by the population serves as a risk to human health.
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Affiliation(s)
- Christy E. Manyi-Loh
- Centre of Applied Food Sustainability and Biotechnology, Central University of Technology, Bloemfontein 9301, South Africa;
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Chibwe M, Odume ON, Nnadozie CF. A review of antibiotic resistance among Campylobacter species in human, animal, and water sources in South Africa: a One Health Approach. JOURNAL OF WATER AND HEALTH 2023; 21:9-26. [PMID: 36705494 DOI: 10.2166/wh.2022.146] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Campylobacter species are among the aetiological agents responsible for 400-500 million human diarrhoea cases per annum. The risk of dissemination of antibiotic-resistant Campylobacter species between humans, animals, and the environment is anticipated, given its transmissibility through these sources. The objective of this paper is to present a situation analysis that reports the current patterns and determinants of Campylobacter antibiotic resistance in South Africa. This review applies the One Health (OH) Approach to systematically review and collate the current antibiotic resistance status among Campylobacter spp. in South Africa. The highest level of resistance of Campylobacter in humans is to azithromycin (69.7%), whereas the lowest level of resistance of Campylobacter is to gatifloxacin (8.3%). In animals, high resistance to common antibiotics erythromycin (95.06%), clindamycin (95.68%), doxycycline (87.65%), erythromycin (90%), tetracycline (84.3%), streptomycin (88%), and ampicillin (73%) while 100% resistance of Campylobacter from water samples to tetracycline, imipenem, is recorded. Furthermore, resistance to clarithromycin (95%), azithromycin (92%), clindamycin (84.2%), doxycycline (80%), and ciprofloxacin (77.8%) is reported among Campylobacter spp. from water samples. The genetic similarity results suggest the movement of antibiotic-resistant Campylobacter spp. between humans and the environment. More research on antibiotic resistance among Campylobacter from other sources, outside clinical isolates, is recommended.
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Affiliation(s)
- Mary Chibwe
- Institute for Water Research (IWR), Rhodes University, Old Geology Building (off Artillery Road), P.O. Box 94, Grahamstown 6140, South Africa E-mail: ,
| | - Oghenekaro Nelson Odume
- Institute for Water Research (IWR), Rhodes University, Old Geology Building (off Artillery Road), P.O. Box 94, Grahamstown 6140, South Africa E-mail: ,
| | - Chika Felicitas Nnadozie
- Institute for Water Research (IWR), Rhodes University, Old Geology Building (off Artillery Road), P.O. Box 94, Grahamstown 6140, South Africa E-mail: ,
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Ramatla T, Tawana M, Mphuthi MBN, Onyiche TE, Lekota KE, Monyama MC, Ndou R, Bezuidenhout C, Thekisoe O. Prevalence and antimicrobial resistance profiles of Campylobacter species in South Africa: a "One Health" approach using systematic review and meta-analysis. Int J Infect Dis 2022; 125:294-304. [PMID: 36336247 DOI: 10.1016/j.ijid.2022.10.042] [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: 08/18/2022] [Revised: 10/28/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022] Open
Abstract
OBJECTIVES This study investigated the prevalence and antibiotic resistance (AR) profiles of Campylobacter spp. isolated from animals, humans, and the environment in South Africa based on available published data. METHODS Original articles published from January 1, 1990 to January 1, 2021 were searched from PubMed, ScienceDirect, Google Scholar, Africa Index Medicus, Scopus, and African Journal Online databases. Data were analyzed with Comprehensive Meta-Analysis (version 3.0). RESULTS After screening, articles on animals (n = 25), humans (n = 7), environment (n = 3), animals/environment (n = 2), and a (n = 1) study on animals, humans, and the environment were included in this review. The pooled prevalence estimates (PPEs) were 28.8%, 16.4%, and 28.4% in animals, humans, and the environment, respectively. The Campylobacter jejuni and Campylobacter coli species were commonly isolated from humans, animals, and the environment in South Africa. The AR profiles were screened from 2032 Campylobacter spp., with the highest PPE of AR observed against clindamycin (76.9%) and clarithromycin (76.5%). Campylobacter isolates tested with the disk diffusion assay and minimum inhibitory concentration methods recorded an overall AR prevalence of 35.3% and 37.1%, respectively, whereas multidrug resistance PPE was 35.3%. CONCLUSION Regular surveillance of Campylobacter spp. prevalence and its antimicrobial resistance strains is recommended, as well as the formulation of a "One Health" approach for better management and control of Campylobacter spp. infection in South Africa.
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Affiliation(s)
- Tsepo Ramatla
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
| | - Mpho Tawana
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
| | - Malekoba B N Mphuthi
- Department of Animal Health, School of Agriculture, North-West University, Mmabatho, South Africa
| | - ThankGod E Onyiche
- Department of Veterinary Parasitology and Entomology, University of Maiduguri, Maiduguri, Nigeria
| | - Kgaugelo E Lekota
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
| | - Maropeng C Monyama
- Department of Life and Consumer Sciences, University of South Africa, Florida, South Africa
| | - Rendani Ndou
- Department of Animal Health, School of Agriculture, North-West University, Mmabatho, South Africa
| | - Carlos Bezuidenhout
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
| | - Oriel Thekisoe
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
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Simbizi V, Moerane R, Ramsay G, Mubamba C, Abolnik C, Gummow B. A review of pig and poultry diseases in the Eastern Cape Province of South Africa, 2000–2020. J S Afr Vet Assoc 2022. [DOI: 10.36303/jsava.2022.93.1.495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023] Open
Affiliation(s)
- V Simbizi
- Department of Rural Development and Agrarian Reform, State Veterinary Services,
South Africa
- Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria,
South Africa
| | - R Moerane
- Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria,
South Africa
| | - G Ramsay
- School of Animal & Veterinary Sciences and Graham Centre for Agricultural Innovation, Charles Sturt University,
Australia
| | - C Mubamba
- Department of Veterinary Services, Ministry of Livestock and Fisheries,
Zambia
| | - C Abolnik
- Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria,
South Africa
| | - B Gummow
- Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria,
South Africa
- Discipline of Veterinary Sciences, College of Public Health, Medical and Veterinary Sciences, James Cook University,
Australia
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Campylobacter jejuni from Slaughter Age Broiler Chickens: Genetic Characterization, Virulence, and Antimicrobial Resistance Genes. Int J Microbiol 2022; 2022:1713213. [PMID: 35634271 PMCID: PMC9135541 DOI: 10.1155/2022/1713213] [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: 03/31/2022] [Revised: 04/26/2022] [Accepted: 05/05/2022] [Indexed: 11/17/2022] Open
Abstract
Campylobacter jejuni is a major cause of food-borne human gastroenteritis worldwide and is designated as a high priority antimicrobial-resistant pathogen by the World Health Organization (WHO). In this study, a total of 26 C. jejuni isolates from broiler chickens were screened for the presence of virulence and antimicrobial resistance genes by PCR. As a result, the study detected 11/26 (42.3%), 9/26 (34.6%), 8/26 (30.8%), 7/26 (26.9%), 6/26 (23.1%), and 6/26 (23.1%) of cdtC, pldA, cdtB, cdtA, cadF, and ciaB virulence genes, respectively, with seven of the isolates carrying more than two virulence genes. The majority of the isolates n = 25 (96.1%) were resistant to nalidixic acid, followed by n = 21 (80.7%), n = 22 (84.6%), and n = 5 (19.2%) for tetracycline, erythromycin, and ciprofloxacin, respectively. Most isolates were harboring catI (n = 16; 84.2%), catII (n = 15; 78.9%), catIII (n = 10; 52.6%), catIV (n = 2; 10.5%), floR (n = 10; 52.6%), ermB (n = 14; 73.7%), tetO (n = 13; 68.4%), tetA (n = 9; 47.4%), mcr-4 (n = 8; 42.1%), and ampC (n = 2; 10.5%). Meanwhile, mcr-1, mcr-2, mcr-3, mcr-5, tet(X), tet(P), and tet(W) genes were not detected in all isolates. Class I and Class II integrons were detected in 92.3% (n = 24) and 65.4% (n = 17) isolates, respectively. About 31% (8 of the 26 isolates) isolates were carrying more than two resistance genes. According to our knowledge, this is the first study to detect class II integrons in Campylobacter spp. (C. jejuni). The high prevalence of cdtA, cdtB, cdtC, cadF, pldA, and ciaB genes and antibiotic resistance genes in C. jejuni in this study indicates the pathogenic potential of these isolates. Majority of the isolates demonstrated resistance to nalidixic acid, tetracycline (tet), and erythromycin (ermB), which are the drugs of choice for treating Campylobacter infections. Therefore, these findings highlight the importance of implementing an efficient strategy to control Campylobacter in chickens and to reduce antimicrobial use in the poultry industry, which will help to prevent the spread of infections to humans.
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Chala G, Eguale T, Abunna F, Asrat D, Stringer A. Identification and Characterization of Campylobacter Species in Livestock, Humans, and Water in Livestock Owning Households of Peri-urban Addis Ababa, Ethiopia: A One Health Approach. Front Public Health 2021; 9:750551. [PMID: 34926375 PMCID: PMC8677049 DOI: 10.3389/fpubh.2021.750551] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 09/27/2021] [Indexed: 12/22/2022] Open
Abstract
Campylobacter is the most common cause of bacterial infectious diarrhea and acute gastroenteritis globally, and is recognized as a significant zoonotic pathogen. Antimicrobial resistance amongst Campylobacter isolates is a significant global concern. A cross-sectional study was conducted to identify and characterize Campylobacter species in humans, animals and water sources in livestock owning households of peri-urban Addis Ababa, Ethiopia; and to characterize antimicrobial resistance. A total of 519 fecal samples from humans (n = 99), livestock (n = 179), poultry (n = 69), and water (n = 172) were collected. Samples were cultured for viable Campylobacter spp. and multiplex PCR utilized for the identification and confirmation. Antimicrobial susceptibility of the isolates was assessed using the Kirby-Bauer disc diffusion method. Campylobacter spp. was detected in 67/519 (13.0%) of the total tested samples, and the household level prevalence of Campylobacter was 42.4%. The prevalence of Campylobacter spp. was: humans (10.1%), cattle (18.5%), poultry (13.0%), sheep (13.3%), goats (7.1%), and water (10.5%). Campylobacter jejuni and C. fetus were the most frequently isolated species, followed by C. coli. The majority of isolates obtained from human samples had co-occurrence with isolates from cattle, poultry or water samples from the same household. The use of stored water, the practice of indoor and outdoor manure collecting, and animal species Campylobacter positivity were significantly associated with greater odds of human Campylobacter spp. positivity. All Campylobacter isolates from humans, poultry, sheep, goats and water, and 96.0% of isolates from cattle were resistant to at least one or more of the tested antimicrobials, with 95.5% of isolates resistant to three or more classes of antimicrobials. A One Health approach is recommended to further investigate Campylobacter species infections, and other zoonotic infectious diseases, in the livestock owning populations in Ethiopia, where there is close interaction between humans, animals and the environment.
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Affiliation(s)
- Gemechu Chala
- College of Veterinary Medicine, Hawassa University, Hawassa, Ethiopia
| | - Tadesse Eguale
- Aklilu Lemma Institute of Pathobiology, Addis Ababa University, Addis Ababa, Ethiopia
| | - Fufa Abunna
- College of Veterinary Medicine and Agriculture, Addis Ababa University, Addis Ababa, Ethiopia
| | - Daniel Asrat
- College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
| | - Andrew Stringer
- College of Veterinary Medicine, North Carolina State University, Raleigh, NC, United States
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Linn KZ, Furuta M, Nakayama M, Masuda Y, Honjoh KI, Miyamoto T. Characterization and antimicrobial resistance of Campylobacter jejuni and Campylobacter coli isolated from chicken and pork. Int J Food Microbiol 2021; 360:109440. [PMID: 34673329 DOI: 10.1016/j.ijfoodmicro.2021.109440] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 09/03/2021] [Accepted: 10/12/2021] [Indexed: 11/28/2022]
Abstract
The prevalence and antimicrobial resistance (AMR) profile were investigated in Campylobacter jejuni and Campylobacter coli in chicken and pork in Fukuoka, Japan in 2019. Their AMR profiles were compared with those of C. jejuni and C. coli strains isolated in 2013. A total of 53 chicken and 14 pork samples were collected from different supermarkets in Fukuoka in 2019. Campylobacter spp. were isolated by conventional method and characterized by PCR and MALDI-TOF MS. Among 53 chicken samples tested in 2019, 24.5% and 5.7% were positive for C. jejuni and C. coli, respectively, and three (21.4%) of 14 pork samples were positive for C. coli, but not C. jejuni. From the positive samples, 13 and six strains of C. jejuni and C. coli were isolated, respectively. Antimicrobial susceptibility test against 12 different antimicrobials were performed on 48 isolates (43 C. jejuni and five C. coli) from chicken in 2013 and 19 isolates (13 C. jejuni from chicken, three C. coli from chicken and three C. coli from pork) in 2019 using the disk diffusion method. All the C. jejuni and C. coli isolated in 2013 and 2019 were highly resistant to cefazolin and sulfamethoxazole/trimethoprim. Among the C. jejuni isolates from chickens, 25.6% of 2013 isolates were resistant to nalidixic acid, ciprofloxacin, and levofloxacin, and 7% to ampicillin and minocycline, while 30.8% of the isolates were resistant to minocycline, 23.1% to nalidixic acid, ciprofloxacin, and levofloxacin, and 15.4% to ampicillin in 2019. Among the C. coli isolates, 80% of isolates from chickens in 2013, and 33.3% from chicken and 100% from pork in 2019 were resistant to nalidixic acid, ciprofloxacin, and levofloxacin. The frequency of multi-drug resistant (MDR) C. jejuni and C. coli strains from chickens in 2019 were 30.8% and 33.3%, respectively, which were lower than those isolated in 2013 (37.2% and 100%, respectively). One C. jejuni and two C. coli isolates from 2013 were resistant to six antibiotics. However, two C. jejuni and one C. coli isolate from chickens in 2019 were resistant to seven and five antibiotics, respectively. All the C. coli isolates from pork in 2019 were resistant to five antibiotics. The high frequency of AMR strains in C. coli isolates from pork suggests that appropriate use of antimicrobials is required in swine husbandry.
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Affiliation(s)
- Khin Zar Linn
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan; Department of Pathology and Microbiology, University of Veterinary Science, Yezin, Nay Pyi Taw, Myanmar
| | - Munenori Furuta
- Department of Food Management, Nakamura Gakuen University Junior College, 5-7-1, Befu, Jounan-ku, Fukuoka 814-0198, Japan
| | - Motokazu Nakayama
- Department of Life Science, Faculty of Life Science, Kyushu Sangyo University, 2-3-1, Matsukadai, Higashi-ku, Fukuoka 813-8503, Japan
| | - Yoshimitsu Masuda
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Ken-Ichi Honjoh
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Takahisa Miyamoto
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan.
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Sithole V, Amoako DG, Abia ALK, Perrett K, Bester LA, Essack SY. Occurrence, Antimicrobial Resistance, and Molecular Characterization of Campylobacter spp. in Intensive Pig Production in South Africa. Pathogens 2021; 10:pathogens10040439. [PMID: 33917115 PMCID: PMC8067824 DOI: 10.3390/pathogens10040439] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 04/01/2021] [Accepted: 04/02/2021] [Indexed: 11/16/2022] Open
Abstract
Campylobacter spp. are among the leading foodborne pathogens, causing campylobacteriosis, a zoonotic infection that results in bacterial gastroenteritis and diarrheal disease in animals and humans. This study investigated the molecular epidemiology of antibiotic-resistant Campylobacter spp. isolated across the farm-to-fork-continuum in an intensive pig production system in South Africa. Following ethical approval, samples were collected over sixteen weeks from selected critical points (farm, transport, abattoir, and retail) using a farm-to-fork sampling approach according to WHO-AGISAR guidelines. Overall, 520 samples were investigated for the presence of Campylobacter spp., which were putatively identified using selective media with identity and speciation confirmed by polymerase chain reaction (PCR) of specific genes. Resistance profiles were ascertained by the Kirby-Bauer disk diffusion method. Antibiotic resistance and virulence genes were identified using PCR and DNA sequencing. Clonal relatedness was determined using ERIC-PCR. Altogether, 378/520 (72.7%) samples were positive for Campylobacter spp., with Campylobacter coli being the predominant species (73.3%), followed by Campylobacter jejuni (17.7%); 8.9% of the isolates were classified as "other spp". Relatively high resistance was observed in C. coli and C. jejuni to erythromycin (89% and 99%), streptomycin (87% and 93%), tetracycline (82% and 96%), ampicillin (69% and 85%), and ciprofloxacin (53% and 67%), respectively. Multidrug resistance (MDR) was noted in 330 of the 378 (87.3%) isolates. The antibiotic resistance genes observed were tetO (74.6%), blaOXA-61 (2.9%), and cmeB (11.1%), accounting for the resistance to tetracycline and ampicillin. The membrane efflux pump (cmeB), conferring resistance to multiple antibiotics, was also detected in most resistant isolates. Chromosomal mutations in gyrA (Thr-86-Ile) and 23S rRNA (A2075G and A2074C) genes, conferring quinolone and erythromycin resistance, respectively, were also found. Of the virulence genes tested, ciaB, dnaJ, pldA, cdtA, cdtB, cdtC, and cadF were detected in 48.6%, 61.1%, 17.4%, 67.4%, 19.3%, 51%, and 5% of all Campylobacter isolates, respectively. Clonal analysis revealed that isolates along the continuum were highly diverse, with isolates from the same sampling points belonging to the same major ERIC-types. The study showed relatively high resistance to antibiotics commonly used in intensive pig production in South Africa with some evidence, albeit minimal, of transmission across the farm-to-fork continuum. This, together with the virulence profiles present in Campylobacter spp., presents a challenge to food safety and a potential risk to human health, necessitating routine surveillance, antibiotic stewardship, and comprehensive biosecurity in intensive pig production.
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Affiliation(s)
- Viwe Sithole
- Antimicrobial Research Unit, College of Health Sciences, University of KwaZulu-Natal, Durban 4000, South Africa; (V.S.); (S.Y.E.)
| | - Daniel Gyamfi Amoako
- Antimicrobial Research Unit, College of Health Sciences, University of KwaZulu-Natal, Durban 4000, South Africa; (V.S.); (S.Y.E.)
- Biomedical Resource Unit, College of Health Sciences, University of KwaZulu-Natal, Durban 4000, South Africa;
- Correspondence: (D.G.A.); (A.L.K.A.); Tel.: +27-(0)8-4330-8957 (D.G.A.); +27-(0)7-3440-3343 (A.L.K.A.)
| | - Akebe Luther King Abia
- Antimicrobial Research Unit, College of Health Sciences, University of KwaZulu-Natal, Durban 4000, South Africa; (V.S.); (S.Y.E.)
- Correspondence: (D.G.A.); (A.L.K.A.); Tel.: +27-(0)8-4330-8957 (D.G.A.); +27-(0)7-3440-3343 (A.L.K.A.)
| | - Keith Perrett
- Epidemiology Section, KwaZulu-Natal Agriculture & Rural Development-Veterinary Service, Pietermaritzburg 3201, South Africa;
| | - Linda A. Bester
- Biomedical Resource Unit, College of Health Sciences, University of KwaZulu-Natal, Durban 4000, South Africa;
| | - Sabiha Y. Essack
- Antimicrobial Research Unit, College of Health Sciences, University of KwaZulu-Natal, Durban 4000, South Africa; (V.S.); (S.Y.E.)
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Igwaran A, Okoh AI. Molecular determination of genetic diversity among Campylobacter jejuni and Campylobacter coli isolated from milk, water, and meat samples using enterobacterial repetitive intergenic consensus PCR (ERIC-PCR). Infect Ecol Epidemiol 2020; 10:1830701. [PMID: 33133420 PMCID: PMC7580821 DOI: 10.1080/20008686.2020.1830701] [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] [Indexed: 10/31/2022] Open
Abstract
Consumption of contaminated meat, milk, and water are among the major routes of human campylobacteriosis. This study aimed to determined the genetic diversity of C. coli and C. jejuni isolated from meat, milk, and water samples collected from different locations. From the 376 samples (meat = 248, cow milk = 72, and water = 56) collected, a total of 1238 presumptive Campylobacter isolates were recovered and the presence of the genus Campylobacter were detected in 402 isolates, and from which, 85 and 67 isolates were identified asC. jejuni and C. coli respectively. Of which, 71 isolates identified as C. coli (n = 35) and C. jejuni (n = 36) were randomly selected from meat, milk, and water samples and were genotyped using enterobacterial repetitive intergenic consensus PCR (ERIC-PCR). The digital images of the ERIC-PCR genotype were analyzed by GelJ v.2.0 software. The diversity and similarity of the isolates were assessed via an unweighted-pair group method using average linkages clustering algorithm. The results showed that the 36 C. jejuni strains separated into 29 ERIC-genotypes and 4 clusters while the 35 C. coli were delineated into 29 ERIC-genotypes and 6 clusters. The study revealed the genetic diversity among C. coli and C. jejuni strains recovered from different matrices characterized by Gelj.
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Affiliation(s)
- Aboi Igwaran
- SAMRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice, South Africa.,Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Alice, South Africa
| | - Anthony Ifeanyi Okoh
- SAMRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice, South Africa.,Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Alice, South Africa
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Taitt CR, Leski TA, Prouty MG, Ford GW, Heang V, House BL, Levin SY, Curry JA, Mansour A, Mohammady HE, Wasfy M, Tilley DH, Gregory MJ, Kasper MR, Regeimbal J, Rios P, Pimentel G, Danboise BA, Hulseberg CE, Odundo EA, Ombogo AN, Cheruiyot EK, Philip CO, Vora GJ. Tracking Antimicrobial Resistance Determinants in Diarrheal Pathogens: A Cross-Institutional Pilot Study. Int J Mol Sci 2020; 21:ijms21165928. [PMID: 32824772 PMCID: PMC7460656 DOI: 10.3390/ijms21165928] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 08/06/2020] [Accepted: 08/10/2020] [Indexed: 12/12/2022] Open
Abstract
Infectious diarrhea affects over four billion individuals annually and causes over a million deaths each year. Though not typically prescribed for treatment of uncomplicated diarrheal disease, antimicrobials serve as a critical part of the armamentarium used to treat severe or persistent cases. Due to widespread over- and misuse of antimicrobials, there has been an alarming increase in global resistance, for which a standardized methodology for geographic surveillance would be highly beneficial. To demonstrate that a standardized methodology could be used to provide molecular surveillance of antimicrobial resistance (AMR) genes, we initiated a pilot study to test 130 diarrheal pathogens (Campylobacter spp., Escherichia coli, Salmonella, and Shigella spp.) from the USA, Peru, Egypt, Cambodia, and Kenya for the presence/absence of over 200 AMR determinants. We detected a total of 55 different determinants conferring resistance to ten different categories of antimicrobials: genes detected in ≥ 25 samples included blaTEM, tet(A), tet(B), mac(A), mac(B), aadA1/A2, strA, strB, sul1, sul2, qacEΔ1, cmr, and dfrA1. The number of determinants per strain ranged from none (several Campylobacter spp. strains) to sixteen, with isolates from Egypt harboring a wider variety and greater number of genes per isolate than other sites. Two samples harbored carbapenemase genes, blaOXA-48 or blaNDM. Genes conferring resistance to azithromycin (ere(A), mph(A)/mph(K), erm(B)), a first-line therapeutic for severe diarrhea, were detected in over 10% of all Enterobacteriaceae tested: these included >25% of the Enterobacteriaceae from Egypt and Kenya. Forty-six percent of the Egyptian Enterobacteriaceae harbored genes encoding CTX-M-1 or CTX-M-9 families of extended-spectrum β-lactamases. Overall, the data provide cross-comparable resistome information to establish regional trends in support of international surveillance activities and potentially guide geospatially informed medical care.
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Affiliation(s)
- Chris R. Taitt
- US Naval Research Laboratory, Center for Biomolecular Science & Engineering, Washington, DC 20375, USA; (T.A.L.); (G.J.V.)
- Correspondence: ; Tel.: +1-011-202-404-4208
| | - Tomasz A. Leski
- US Naval Research Laboratory, Center for Biomolecular Science & Engineering, Washington, DC 20375, USA; (T.A.L.); (G.J.V.)
| | - Michael G. Prouty
- US Naval Medical Research Unit No. 2-Phnom Penh, Blvd Kim Il Sung, Khan Toul Kork, Phnom Penh, Cambodia; (M.G.P.); (G.W.F.); (V.H.)
| | - Gavin W. Ford
- US Naval Medical Research Unit No. 2-Phnom Penh, Blvd Kim Il Sung, Khan Toul Kork, Phnom Penh, Cambodia; (M.G.P.); (G.W.F.); (V.H.)
| | - Vireak Heang
- US Naval Medical Research Unit No. 2-Phnom Penh, Blvd Kim Il Sung, Khan Toul Kork, Phnom Penh, Cambodia; (M.G.P.); (G.W.F.); (V.H.)
| | - Brent L. House
- US Naval Medical Research Unit No. 3, Naval Air Station Sigonella, 95030 Sigonella, Italy; (B.L.H.); (S.Y.L.); (J.A.C.); (A.M.); (H.E.M.); (M.W.)
| | - Samuel Y. Levin
- US Naval Medical Research Unit No. 3, Naval Air Station Sigonella, 95030 Sigonella, Italy; (B.L.H.); (S.Y.L.); (J.A.C.); (A.M.); (H.E.M.); (M.W.)
| | - Jennifer A. Curry
- US Naval Medical Research Unit No. 3, Naval Air Station Sigonella, 95030 Sigonella, Italy; (B.L.H.); (S.Y.L.); (J.A.C.); (A.M.); (H.E.M.); (M.W.)
| | - Adel Mansour
- US Naval Medical Research Unit No. 3, Naval Air Station Sigonella, 95030 Sigonella, Italy; (B.L.H.); (S.Y.L.); (J.A.C.); (A.M.); (H.E.M.); (M.W.)
| | - Hanan El Mohammady
- US Naval Medical Research Unit No. 3, Naval Air Station Sigonella, 95030 Sigonella, Italy; (B.L.H.); (S.Y.L.); (J.A.C.); (A.M.); (H.E.M.); (M.W.)
| | - Momtaz Wasfy
- US Naval Medical Research Unit No. 3, Naval Air Station Sigonella, 95030 Sigonella, Italy; (B.L.H.); (S.Y.L.); (J.A.C.); (A.M.); (H.E.M.); (M.W.)
| | - Drake Hamilton Tilley
- US Naval Medical Research Unit No. 6 Peru, Lima 07001, Peru; (D.H.T.); (M.J.G.); (M.R.K.); (J.R.); (P.R.); (G.P.)
| | - Michael J. Gregory
- US Naval Medical Research Unit No. 6 Peru, Lima 07001, Peru; (D.H.T.); (M.J.G.); (M.R.K.); (J.R.); (P.R.); (G.P.)
| | - Matthew R. Kasper
- US Naval Medical Research Unit No. 6 Peru, Lima 07001, Peru; (D.H.T.); (M.J.G.); (M.R.K.); (J.R.); (P.R.); (G.P.)
| | - James Regeimbal
- US Naval Medical Research Unit No. 6 Peru, Lima 07001, Peru; (D.H.T.); (M.J.G.); (M.R.K.); (J.R.); (P.R.); (G.P.)
| | - Paul Rios
- US Naval Medical Research Unit No. 6 Peru, Lima 07001, Peru; (D.H.T.); (M.J.G.); (M.R.K.); (J.R.); (P.R.); (G.P.)
| | - Guillermo Pimentel
- US Naval Medical Research Unit No. 6 Peru, Lima 07001, Peru; (D.H.T.); (M.J.G.); (M.R.K.); (J.R.); (P.R.); (G.P.)
| | - Brook A. Danboise
- US Army Medical Research Directorate-Africa/Kenya, Kericho 20200, Kenya; (B.A.D.); (C.E.H.); (E.A.O.); (A.N.O.); (E.K.C.); (C.O.P.)
| | - Christine E. Hulseberg
- US Army Medical Research Directorate-Africa/Kenya, Kericho 20200, Kenya; (B.A.D.); (C.E.H.); (E.A.O.); (A.N.O.); (E.K.C.); (C.O.P.)
| | - Elizabeth A. Odundo
- US Army Medical Research Directorate-Africa/Kenya, Kericho 20200, Kenya; (B.A.D.); (C.E.H.); (E.A.O.); (A.N.O.); (E.K.C.); (C.O.P.)
| | - Abigael N. Ombogo
- US Army Medical Research Directorate-Africa/Kenya, Kericho 20200, Kenya; (B.A.D.); (C.E.H.); (E.A.O.); (A.N.O.); (E.K.C.); (C.O.P.)
| | - Erick K. Cheruiyot
- US Army Medical Research Directorate-Africa/Kenya, Kericho 20200, Kenya; (B.A.D.); (C.E.H.); (E.A.O.); (A.N.O.); (E.K.C.); (C.O.P.)
| | - Cliff O. Philip
- US Army Medical Research Directorate-Africa/Kenya, Kericho 20200, Kenya; (B.A.D.); (C.E.H.); (E.A.O.); (A.N.O.); (E.K.C.); (C.O.P.)
| | - Gary J. Vora
- US Naval Research Laboratory, Center for Biomolecular Science & Engineering, Washington, DC 20375, USA; (T.A.L.); (G.J.V.)
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Antimicrobial Resistance Determinants Circulating among Thermophilic Campylobacter Isolates Recovered from Broilers in Ireland Over a One-Year Period. Antibiotics (Basel) 2020; 9:antibiotics9060308. [PMID: 32521746 PMCID: PMC7344827 DOI: 10.3390/antibiotics9060308] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 06/04/2020] [Accepted: 06/05/2020] [Indexed: 02/07/2023] Open
Abstract
Campylobacteriosis is the leading cause of human bacterial gastroenteritis, very often associated with poultry consumption. Thermophilic Campylobacter (Campylobacter jejuni and Campylobacter coli) isolates (n = 158) recovered from broiler neck skin and caecal contents in Ireland over a one-year period, resistant to at least one of three clinically relevant antimicrobial classes, were screened for resistance determinants. All ciprofloxacin-resistant isolates (n = 99) harboured the C257T nucleotide mutation (conferring the Thr-86-Ile substitution) in conjunction with other synonymous and nonsynonymous mutations, which may have epidemiological value. The A2075G nucleotide mutation and amino acid substitutions in L4 and L22 were detected in all erythromycin-resistant isolates (n = 5). The tetO gene was detected in 100% (n = 119) of tetracycline-resistant isolates and three of which were found to harbour the mosaic tetracycline resistance gene tetO/32/O. Two streptomycin-resistant C. jejuni isolates (isolated from the same flock) harboured ant(6)-Ib, located in a multidrug resistance genomic island, containing aminoglycoside, streptothricin (satA) and tetracycline resistance genes (truncated tetO and mosaic tetO/32/O). The ant(6)-Ie gene was identified in two streptomycin-resistant C. coli isolates. This study highlights the widespread acquisition of antimicrobial resistance determinants among chicken-associated Campylobacter isolates, through horizontal gene transfer or clonal expansion of resistant lineages. The stability of such resistance determinants is compounded by the fluidity of mobile genetic element.
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