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Ansarian Barezi A, Shakerian A, Rahimi E, Esfandiari Z. Examining the Extent of Contamination, Antibiotic Resistance, and Genetic Diversity of Clostridioides ( Clostridium) difficile Strains in Meat and Feces of Some Native Birds of Iran. BIOMED RESEARCH INTERNATIONAL 2023; 2023:3524091. [PMID: 37101693 PMCID: PMC10125756 DOI: 10.1155/2023/3524091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 12/25/2022] [Accepted: 01/21/2023] [Indexed: 04/28/2023]
Abstract
Clostridioides (Clostridium) difficile (C. difficile) is one of the essential enteropathogens in humans and livestock and is a severe health threat, according to the Centre for Disease Control and Prevention. Also, antimicrobials are one of the most critical risk factors for C. difficile infection (CDI). The present study examined the infection, antibiotic resistance, and genetic diversity of the C. difficile strains in the meat and feces of some native birds (chicken, duck, quail, and partridge) in the Shahrekord region, Iran, from July 2018 to July 2019. Samples were grown on CDMN agar after an enrichment step. To determine the toxin profile, the tcdA, tcdB, tcdC, cdtA, and cdtB genes were detected via multiplex PCR. The antibiotic susceptibility of these isolates was examined using the disk diffusion method and followed based on MIC and epsilometric test. 300 meat samples of chicken, duck, partridge, and quail and 1100 samples of bird feces were collected from six traditional farms in Shahrekord, Iran. Thirty-five meat samples (11.6%) and 191 fecal samples (17.36%) contained C. difficile. Moreover, five toxigenic samples isolated had 5, 1, and 3 tcdA/B, tcdC, and cdtA/B genes. Out of the studied strains isolated from the 226 samples, two isolates belonging to ribotype RT027 and one isolated RT078 profile related to native chicken feces were observed from chicken sample. The antimicrobial susceptibility testing showed that all the strains are resistant to ampicillin, 28.57% are resistant to metronidazole, and 100% were susceptible to vancomycin. Based on the results, it can be concluded that the raw meat of birds might be a source of resistant C. difficile that poses a hygienic threat to the consumption of native bird meat. Nevertheless, further studies are essential to understand additional epidemiological features of C. difficile in bird meat.
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Affiliation(s)
- Akbar Ansarian Barezi
- Department of Food Hygiene, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
| | - Amir Shakerian
- Research Center of Nutrition and Organic Products (R.C.N.O.P), Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
| | - Ebrahim Rahimi
- Department of Food Hygiene, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
| | - Zahra Esfandiari
- Nutrition and Food Security Research Center, Department of Food Science and Technology, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
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Kullin B, Abratt VR, Reid SJ, Riley TV. Clostridioides difficile infection in Africa: A narrative review. Anaerobe 2022; 74:102549. [PMID: 35337974 DOI: 10.1016/j.anaerobe.2022.102549] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 03/13/2022] [Accepted: 03/17/2022] [Indexed: 12/12/2022]
Abstract
Clostridioides (Clostridium) difficile infection (CDI) places a burden on healthcare facilities worldwide. Most research studies have been concentrated in high-income countries in North America, Europe, Asia and Australia, where C. difficile is the leading cause of diarrhoea associated with antimicrobial use. This narrative review summarises African CDI studies, focussing on reports published in the last 20 years. Although relatively sparse, the data suggest that CDI is an important cause of diarrhoea on the continent. African CDI patient populations are often younger than in European and North American settings, probably due to the high prevalence of co-morbid conditions such as tuberculosis, particularly in sub-Saharan Africa. Strain typing data are rare and where reported generally limited to single sites and institutions. Despite challenges, including a lack of facilities and awareness, there is a need for further investigation to more accurately determine the true burden of disease caused by C. difficile in Africa.
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Affiliation(s)
- Brian Kullin
- Department of Molecular and Cell Biology, University of Cape Town, Cape Town, South Africa
| | - Valerie R Abratt
- Department of Molecular and Cell Biology, University of Cape Town, Cape Town, South Africa
| | - Sharon J Reid
- Department of Molecular and Cell Biology, University of Cape Town, Cape Town, South Africa
| | - Thomas V Riley
- Medical, Molecular and Forensic Sciences, Murdoch University, Murdoch, Western Australia WA, Australia; School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA, Australia; Department of Microbiology, PathWest Laboratory Medicine, Nedlands, WA, Australia; School of Biomedical Sciences, The University of Western Australia, Crawley, WA, Australia.
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Brajerova M, Zikova J, Krutova M. Clostridioides difficile epidemiology in the Middle and the Far East. Anaerobe 2022; 74:102542. [PMID: 35240336 DOI: 10.1016/j.anaerobe.2022.102542] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 02/14/2022] [Accepted: 02/20/2022] [Indexed: 12/18/2022]
Abstract
OBJECTIVES Clostridioides difficile is an important pathogen of healthcare-associated gastrointestinal infections. Recently, an increased number of C. difficile infection (CDI) surveillance data has been reported from Asia. The aim of this review is to summarize the data on the prevalence, distribution and molecular epidemiology of CDI in the Middle and the Far East. METHODS Literature was drawn from a search of PubMed up to September 30, 2021. RESULTS The meta-analysis of data from 111 studies revealed the pooled CDI prevalence rate in the Middle and the Far East of 12.4% (95% CI 11.4-13.3); 48 studies used PCR for CDI laboratory diagnoses. The predominant types (RT)/sequence type (ST) differ between individual countries (24 studies, 14 countries). Frequently found RTs were 001, 002, 012, 017, 018 and 126; RT017 was predominant in the Far East. The epidemic RT027 was detected in 8 countries (22 studies), but its predominance was reported only in three studies (Israel and Iran). The contamination of vegetable and meat or meat products and/or intestinal carriage of C. difficile in food and companion animals have been reported; the C. difficile RTs/STs identified overlapped with those identified in humans. CONCLUSIONS A large number of studies on CDI prevalence in humans from the Middle and the Far East have been published; countries with no available data were identified. The number of studies on C. difficile from non-human sources is limited. Comparative genomic studies of isolates from different sources are needed.
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Affiliation(s)
- Marie Brajerova
- Department of Medical Microbiology, 2nd Faculty of Medicine, Charles University and Motol University Hospital, Czech Republic
| | - Jaroslava Zikova
- Department of Medical Microbiology, 2nd Faculty of Medicine, Charles University and Motol University Hospital, Czech Republic; Department of Genetics and Microbiology, Faculty of Science, Charles University, Czech Republic
| | - Marcela Krutova
- Department of Medical Microbiology, 2nd Faculty of Medicine, Charles University and Motol University Hospital, Czech Republic.
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Taha AE. Raw Animal Meats as Potential Sources of Clostridium difficile in Al-Jouf, Saudi Arabia. Food Sci Anim Resour 2021; 41:883-893. [PMID: 34632406 PMCID: PMC8460330 DOI: 10.5851/kosfa.2021.e44] [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: 05/26/2021] [Revised: 08/07/2021] [Accepted: 08/10/2021] [Indexed: 12/17/2022] Open
Abstract
Clostridium difficile present in feces of food animals may
contaminate their meats and act as a potential source of C.
difficile infection (CDI) to humans. C. difficile
resistance to antibiotics, its production of toxins and spores play major roles
in the pathogenesis of CDI. This is the first study to evaluate C.
difficile prevalence in retail raw animal meats, its antibiotics
susceptibilities and toxigenic activities in Al-Jouf, Saudi Arabia. Totally, 240
meat samples were tested. C. difficile was identified by
standard microbiological and biochemical methods. Vitek-2 compact system
confirmed C. difficile isolates were 15/240 (6.3%).
Toxins A/B were not detected by Xpect C. difficile toxin A/B
tests. Although all isolates were susceptible to vancomycin and metronidazole,
variable degrees of reduced susceptibilities to moxifloxacin, clindamycin or
tetracycline antibiotics were detected by Epsilon tests. C.
difficile strains with reduced susceptibility to antibiotics should
be investigated. Variability between the worldwide reported C.
difficile contamination levels could be due to absence of a gold
standard procedure for its isolation. Establishment of a unified testing
algorithm for C. difficile detection in food products is
definitely essential to evaluate the inter-regional variation in its prevalence
on national and international levels. Proper use of antimicrobials during animal
husbandry is crucial to control the selective drug pressure on C.
difficile strains associated with food animals. Investigating the
protective or pathogenic potential of non-toxigenic C.
difficile strains and the possibility of gene transfer from certain
toxigenic/ antibiotics-resistant to non-toxigenic/antibiotics-sensitive strains,
respectively, should be worthy of attention.
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Affiliation(s)
- Ahmed E Taha
- Microbiology and Immunology Unit, Department of Pathology, College of Medicine, Jouf University, Al-Jouf, Saudi Arabia.,Medical Microbiology and Immunology Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
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Liu X, He S, Li Q, Mu X, Hu G, Dong H. Comparison of the Gut Microbiota Between Pulsatilla Decoction and Levofloxacin Hydrochloride Therapy on Escherichia coli Infection. Front Cell Infect Microbiol 2020; 10:319. [PMID: 32714880 PMCID: PMC7344306 DOI: 10.3389/fcimb.2020.00319] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 05/26/2020] [Indexed: 12/26/2022] Open
Abstract
Gut microbiota serves as a critical indicator for gut health during treatment of pathogenic bacterial infection. Both Pulsatilla Decoction (abbreviated to PD, a traditional Chinese medicine compound) and Levofloxacin Hydrochloride (LVX) were known to have therapeutic effects to intestinal infectious disease. However, the changes of gut microbiota after PD or LVX treatment remain unclear. Herein, this work aimed to investigate the changes of intestinal flora after PD or LVX therapy of Escherichia coli infection in rats. Results revealed that PD exhibited a valid therapeutic approach for E. coli infection via the intestinal protection, as well as the inhibited release of IL-8 and ICAM-1. Besides, PD was beneficial to rebuild the gut microbiota via restoring Bacteroidetes spp in the composition of the gut microbiota. Comparatively, LVX treatment promoted the infection and ravaged gut microbiota by significantly decreasing Bacteroidetes and increasing Firmicutes. These findings not only highlight the mechanism of Chinese herbal formula, but extend the application of PD as veterinary medicine, feed additive and pre-mixing agent for improving the production of animal derived foods.
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Affiliation(s)
- Xiaoye Liu
- Beijing Traditional Chinese Veterinary Engineering Center and Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Beijing University of Agriculture, Beijing, China.,Department of Mechanics and Engineering Science, College of Engineering, Academy for Advanced Interdisciplinary Studies, and Beijing Advanced Innovation Center for Engineering Science and Emerging Technology, College of Engineering, Peking University, Beijing, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Shangwen He
- Beijing Traditional Chinese Veterinary Engineering Center and Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Beijing University of Agriculture, Beijing, China
| | - Qiuyue Li
- Beijing Traditional Chinese Veterinary Engineering Center and Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Beijing University of Agriculture, Beijing, China
| | - Xiang Mu
- Beijing Traditional Chinese Veterinary Engineering Center and Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Beijing University of Agriculture, Beijing, China
| | - Ge Hu
- Beijing Traditional Chinese Veterinary Engineering Center and Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Beijing University of Agriculture, Beijing, China
| | - Hong Dong
- Beijing Traditional Chinese Veterinary Engineering Center and Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Beijing University of Agriculture, Beijing, China
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Curcio D, Cané A, Fernández FA, Correa J. Clostridium difficile-associated Diarrhea in Developing Countries: A Systematic Review and Meta-Analysis. Infect Dis Ther 2019; 8:87-103. [PMID: 30659481 PMCID: PMC6374231 DOI: 10.1007/s40121-019-0231-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Indexed: 02/08/2023] Open
Abstract
INTRODUCTION The prevalence of Clostridium difficile infection is rapidly increasing worldwide, but prevalence is difficult to estimate in developing countries where awareness, diagnostic resources, and surveillance protocols are limited. As diarrhea is the hallmark symptom, we conducted a systematic review and meta-analysis to determine the prevalence and incidence of C. difficile infection in patients in these regions who presented with diarrhea. METHODS We conducted a systematic literature search of MEDLINE/PubMed, Scopus, and Latin-American and Caribbean Health Sciences Literature databases to identify and analyze data from recent studies providing prevalence or incidence rates of C. difficile-associated diarrhea in developing countries within four regions: Africa-Middle East, developing Asia, Latin America, and China. Our objectives were to determine the current prevalence and incidence density rates of first episodes of C. difficile-associated diarrhea in developing countries. RESULTS Within the regions included in our analysis, prevalence of C. difficile infection in patients with diarrhea was 15% (95% CI 13-17%) (including community and hospitalized patients), with no significant difference across regions. The incidence of C. difficile infection in 17 studies including this information was 8.5 per 10,000 patient-days (95% CI 5.83-12.46). Prevalence was significantly higher in hospitalized patients versus community patients (p = 0.0227). CONCLUSION Our prevalence estimate of 15% is concerning; however, low awareness and inconsistent diagnostic and surveillance protocols suggest this is markedly underestimated. Enhanced awareness and management of C. difficile infection in patients with diarrhea, along with improvements in infection control and surveillance practices, should be implemented to reduce prevalence of C. difficile-associated diarrhea in developing countries. FUNDING Pfizer Inc.
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Affiliation(s)
- Daniel Curcio
- Vaccines Emerging Markets, Pfizer Inc, Buenos Aires, Argentina.
| | - Alejandro Cané
- Vaccines Emerging Markets, Pfizer Inc, Buenos Aires, Argentina
| | | | - Jorge Correa
- Buenos Aires University, Buenos Aires, Argentina
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Presence of Clostridium difficile in poultry and poultry meat in Egypt. Anaerobe 2018; 51:21-25. [DOI: 10.1016/j.anaerobe.2018.03.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 03/16/2018] [Accepted: 03/19/2018] [Indexed: 12/15/2022]
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