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Yoginath Bhambure S, E Costa LIC, Gatty AM, Manjunatha KG, Vittal R, Sannejal AD. Unveiling the traits of antibiotic resistance and virulence in Escherichia coli obtained from poultry waste. Braz J Microbiol 2024:10.1007/s42770-024-01367-1. [PMID: 38809497 DOI: 10.1007/s42770-024-01367-1] [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: 11/17/2023] [Accepted: 04/12/2024] [Indexed: 05/30/2024] Open
Abstract
Antibiotic resistance and virulence factors in avian pathogenic Escherichia coli (APEC) have become significant concerns, contributing to adverse environmental effects. The extensive use of antibiotics in poultry farming has resulted in the emergence of antibiotic-resistant APEC strains. This study prioritizes the molecular screening of APEC to uncover their antibiotic resistance and virulence attributes, with specific attention to their environmental impact. To address the imperative of understanding APEC pathogenesis, our study analyzed 50 poultry waste samples including 10 poultry litter, 15 fecal matter, 15 wastewater, and 10 anatomical waste samples. For the presence of virulence genes, 35 Escherichia coli isolates were subjected to molecular characterization. Amongst these, 27 were APEC strains demonstrating the presence of at least four virulence genes each. Notably, virulence genes such as fimH, ompA, ybjX, waaL, cvaC, hlyF, iss, ompT, and iroN were observed among all the E. coli isolates. Furthermore, eleven of the APEC strains exhibited resistance to tetracycline, ampicillin, sulphonamides, and fluoroquinolones.These findings highlight the role of APEC as a potential source of environmental pollution serving as a reservoir for virulence and resistance genes. Understanding the dynamics of antibiotic resistance and virulence in APEC is essential due to its potential threat to broiler chickens and the broader population through the food chain, intensifying concerns related to environmental pollution. Recognizing the ecological impact of APEC is essential for developing effective strategies to mitigate environmental pollution and safeguard the health of ecosystems and human populations.
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Affiliation(s)
- Sahil Yoginath Bhambure
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Paneer campus, Deralakatte, Mangalore, 575018, India
| | - Lakiesha Inacia Coelho E Costa
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Paneer campus, Deralakatte, Mangalore, 575018, India
| | - Ashwitha M Gatty
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Paneer campus, Deralakatte, Mangalore, 575018, India
| | - Kavitha Guladahalli Manjunatha
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Paneer campus, Deralakatte, Mangalore, 575018, India
| | - Rajeshwari Vittal
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Paneer campus, Deralakatte, Mangalore, 575018, India
| | - Akhila Dharnappa Sannejal
- Nitte (Deemed to be University), Nitte University Centre for Science Education and Research (NUCSER), Paneer campus, Deralakatte, Mangalore, 575018, India.
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Gharaibeh MH, Sheyab SYA, Lafi SQ, Etoom EM. Risk factors associated with mcr-1 colistin-resistance gene in Escherichia coli broiler samples in northern Jordan. J Glob Antimicrob Resist 2024; 36:284-292. [PMID: 38325733 DOI: 10.1016/j.jgar.2024.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 01/06/2024] [Accepted: 01/10/2024] [Indexed: 02/09/2024] Open
Abstract
OBJECTIVES The purpose of this study was to determine the prevalence of colistin-resistant Escherichia coli carrying mcr-1, and to identify risk factors associated with mcr gene-mediated resistance. METHODS In total, 385 cloacal samples were collected from 125 broiler farms and a questionnaire containing information about each farm was designed and filled. RESULTS Most of the antibiotics used in the disk diffusion method were highly resistant in all samples, with tetracycline and penicillin showing 100% and 99.7% resistance, respectively. Additionally, avian pathogenic E. coli (APEC) virulence genes frequency and percentage of APEC were identified, including sitA,iucC, and astA at 77%, 70.5%, and 62% respectively. In total, 214 of 360 isolates were positive for APEC (59.4%). Based on the minimum inhibitory (MIC) test, 58% of the isolates (n = 209 of 360) were resistant to colistin, with 39.7% displaying the mcr-1 gene. The statistical analysis of risk factors that influence colistin resistance prevalence revealed several significant factors, including commercial feed, farm management, sanitization, and antibiotic use. Irregular health checks for workers, non-dipping of feet before entering poultry houses, and the use of commercial poultry feeds all contributed to higher levels of colistin resistance as measured by MIC. On the other hand, doxycycline and commercial feed was 4 and 3.2 times more likely to occur based on the final logistic model of the mcr-1 gene, respectively. CONCLUSION Our results suggest that better biosecurity protocols should be implemented in poultry farms to reduce antibiotic-resistant bacteria. Additionally, antibiotics should be carefully monitored and used only when necessary.
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Affiliation(s)
- Mohammad H Gharaibeh
- Department of Basic Veterinary Medical Science, Faculty of Veterinary Medicine, Jordan University of Science and Technology, Irbid, Jordan.
| | - Sahba Y Al Sheyab
- Department of Basic Veterinary Medical Science, Faculty of Veterinary Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Shawkat Q Lafi
- Department of Pathology and Public Health, Faculty of Veterinary Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Eman M Etoom
- Department of Basic Veterinary Medical Science, Faculty of Veterinary Medicine, Jordan University of Science and Technology, Irbid, Jordan
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Dixit OVA, Behruznia M, Preuss AL, O’Brien CL. Diversity of antimicrobial-resistant bacteria isolated from Australian chicken and pork meat. Front Microbiol 2024; 15:1347597. [PMID: 38440146 PMCID: PMC10910072 DOI: 10.3389/fmicb.2024.1347597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 01/19/2024] [Indexed: 03/06/2024] Open
Abstract
Antimicrobial-resistant bacteria are frequently isolated from retail meat and may infect humans. To determine the diversity of antimicrobial-resistant bacteria in Australian retail meat, bacteria were cultured on selective media from raw chicken (n = 244) and pork (n = 160) meat samples obtained from all four major supermarket chains in the ACT/NSW, Australia, between March and June 2021. Antimicrobial susceptibility testing (AST) was performed for 13 critically and 4 highly important antibiotics as categorised by the World Health Organization (WHO) for a wide range of species detected in the meat samples. A total of 288 isolates underwent whole-genome sequencing (WGS) to identify the presence of antimicrobial resistance (AMR) genes, virulence genes, and plasmids. AST testing revealed that 35/288 (12%) of the isolates were found to be multidrug-resistant (MDR). Using WGS data, 232/288 (81%) of the isolates were found to harbour resistance genes for critically or highly important antibiotics. This study reveals a greater diversity of AMR genes in bacteria isolated from retail meat in Australia than previous studies have shown, emphasising the importance of monitoring AMR in not only foodborne pathogenic bacteria, but other species that are capable of transferring AMR genes to pathogenic bacteria.
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Affiliation(s)
- Ojas V. A. Dixit
- Faculty of Science and Technology, University of Canberra, Canberra, ACT, Australia
- School of Medicine, Science, Medicine and Health, University of Wollongong, Wollongong, NSW, Australia
| | - Mahboobeh Behruznia
- Faculty of Science and Technology, University of Canberra, Canberra, ACT, Australia
| | - Aidan L. Preuss
- Faculty of Science and Technology, University of Canberra, Canberra, ACT, Australia
| | - Claire L. O’Brien
- Faculty of Science and Technology, University of Canberra, Canberra, ACT, Australia
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de Oliveira ÉM, Beltrão EMB, Pimentel MIS, Lopes ACDS. Occurrence of high-risk clones of Klebsiella pneumoniae ST11, ST340, and ST855 carrying the blaKPC-2, blaNDM-1, blaNDM-5, and blaNDM-7 genes from colonized and infected patients in Brazil. J Appl Microbiol 2023; 134:lxad242. [PMID: 37880999 DOI: 10.1093/jambio/lxad242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/28/2023] [Accepted: 10/24/2023] [Indexed: 10/27/2023]
Abstract
AIMS Determine which sequence type (ST) clones were carrying the blaKPC, blaNDM, blaVIM, blaIMP, and blaGES genes and their variants in clinical isolates of multidrug-resistant Klebsiella pneumoniae. METHODS AND RESULTS Ten K. pneumoniae isolates were obtained from the colonized and infected patients in a public hospital in the city of Recife-PE, in northeastern Brazil, and were further analyzed. The detection of carbapenem resistance genes and the seven housekeeping genes [for multilocus sequence typing (MLST) detection] were done with PCR and sequencing. The blaKPC and blaNDM genes were detected concomitantly in all isolates, with variants being detected blaNDM-1, blaNDM-5, blaNDM-7, and blaKPC-2. The blaKPC-2 and blaNDM-1 combination being the most frequent. Molecular typing by MLST detected three types of high-risk ST clones, associated with the clonal complex 258, ST11/CC258 in eight isolates, and ST855/CC258 and ST340/CC258 in the other two isolates. CONCLUSIONS These findings are worrying, as they have a negative impact on the scenario of antimicrobial resistance, and show the high genetic variability of K. pneumoniae and its ability to mutate resistance genes and risk of dissemination via different ST clones.
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Affiliation(s)
- Érica Maria de Oliveira
- Departamento de Medicina Tropical, Universidade Federal de Pernambuco-UFPE, Recife, PE 50732-970, Brazil
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Yang TY, Hung WC, Tsai TH, Lu PL, Wang SF, Wang LC, Lin YT, Tseng SP. Potentials of organic tellurium-containing compound AS101 to overcome carbapenemase-producing Escherichia coli. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2023; 56:1016-1025. [PMID: 37516546 DOI: 10.1016/j.jmii.2023.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 06/11/2023] [Accepted: 07/06/2023] [Indexed: 07/31/2023]
Abstract
BACKGROUND The issue of carbapenem-resistant Escherichia coli was aggravated yearly. The previous studies reported the varied but critical epidemiology of carbapenem-resistant E. coli among which the carbapenemase-producing strains were regarded as one of the most notorious issues. AS101, an organic tellurium-containing compound undergoing clinical trials, was revealed with antibacterial activities. However, little is known about the antibacterial effect of AS101 against carbapenemase-producing E. coli (CPEC). MATERIALS AND METHODS The minimum inhibitory concentration (MIC) of AS101 against the 15 isolates was examined using a broth microdilution method. The scanning electron microscopy, pharmaceutical manipulations, reactive oxygen species level, and DNA fragmentation assay were carried out to investigate the antibacterial mechanism. The sepsis mouse model was employed to assess the in vivo treatment effect. RESULTS The blaNDM (33.3%) was revealed as the dominant carbapenemase gene among the 15 CPEC isolates, followed by the blaKPC gene (26.7%). The MICs of AS101 against the 15 isolates ranged from 0.5 to 32 μg/ml, and 99.9% of bacterial eradication was observed at 8 h, 4 h, and 2 h for 1×, 2×, and 4 × MIC, respectively. The mechanistic investigations suggest that AS101 would enter the bacterial cell, and induce ROS generation, leading to DNA fragmentation. The in vivo study exhibited that AS101 possessed a steady treatment effect in a sepsis mouse model, with an up to 83.3% of survival rate. CONCLUSION The in vitro activities, mechanisms, and in vivo study of AS101 against CPEC were unveiled. Our finding provided further evidence for the antibiotic development of AS101.
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Affiliation(s)
- Tsung-Ying Yang
- Department of Medical Laboratory Science, I-Shou University, Kaohsiung, Taiwan; Research Organization for Nano and Life Innovation, Future Innovation Institute, Waseda University, Japan; Research Institute for Science and Engineering, Waseda University, Japan; School of Education, Waseda University, Japan
| | - Wei-Chun Hung
- Department of Microbiology and Immunology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Tsung-Han Tsai
- Department of Medical Laboratory Science and Biotechnology, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Po-Liang Lu
- Center for Liquid Biopsy and Cohort Research, Kaohsiung Medical University, Kaohsiung, Taiwan; Division of Infectious Diseases, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Sheng-Fan Wang
- Department of Medical Laboratory Science and Biotechnology, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Liang-Chun Wang
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Yu-Tzu Lin
- Department of Medical Laboratory Science and Biotechnology, China Medical University, Taichung, Taiwan.
| | - Sung-Pin Tseng
- Department of Medical Laboratory Science and Biotechnology, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan; Graduate Institute of Animal Vaccine Technology, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung, Taiwan; Center for Tropical Medicine and Infectious Disease Research, Kaohsiung Medical University, Kaohsiung, Taiwan.
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Borges KA, Furian TQ, de Brito BG, de Brito KCT, da Rocha DT, Salle CTP, Moraes HLDS, do Nascimento VP. Characterization of avian pathogenic Escherichia coli isolates based on biofilm formation, ESBL production, virulence-associated genes, and phylogenetic groups. Braz J Microbiol 2023; 54:2413-2425. [PMID: 37344657 PMCID: PMC10485228 DOI: 10.1007/s42770-023-01026-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 05/30/2023] [Indexed: 06/23/2023] Open
Abstract
Escherichia coli is a part of both animal and human commensal microbiota. Avian pathogenic E. coli (APEC) is responsible for colibacillosis in poultry, an economically important disease. However, the close similarities among APEC isolates make it difficult to differentiate between pathogenic and commensal bacteria. The aim of this study was to determine phenotypic and molecular characteristics of APEC isolates and to compare them with their in vivo pathogenicity indices. A total of 198 APEC isolates were evaluated for their biofilm-producing ability and extended-spectrum β-lactamase (ESBL) production phenotypes. In addition, 36 virulence-associated genes were detected, and the isolates were classified into seven phylogenetic groups using polymerase chain reaction. The sources of the isolates were not associated with biofilms, ESBL, genes, or phylogroups. Biofilm and ESBL production were not associated with pathogenicity. Group B2 had the highest pathogenicity index. Groups B2 and E were positively associated with high-pathogenicity isolates and negatively associated with low-pathogenicity isolates. In contrast, groups A and C were positively associated with apathogenic isolates, and group B1 was positively associated with low-pathogenicity isolates. Some virulence-associated genes showed positive or negative associations with specific phylogenetic groups. None of the individual techniques produced results that correlated with the in vivo pathogenicity index. However, the combination of two techniques, namely, detection of virulence-associated genes and the phylogenetic groups, could help the classification of the isolates as pathogenic or commensal.
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Affiliation(s)
- Karen Apellanis Borges
- Centro de Diagnóstico e Pesquisa em Patologia Aviária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9090, Porto Alegre, RS, 91540-000, Brazil.
| | - Thales Quedi Furian
- Centro de Diagnóstico e Pesquisa em Patologia Aviária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9090, Porto Alegre, RS, 91540-000, Brazil
| | - Benito Guimarães de Brito
- Departamento de Diagnóstico E Pesquisa Agropecuária, Instituto de Pesquisas Veterinárias Desidério Finamor, Secretaria da Agricultura, Pecuária e Desenvolvimento Rural, Estrada Do Conde 6000, Eldorado Do Sul, RS, Brazil
| | - Kelly Cristina Tagliari de Brito
- Departamento de Diagnóstico E Pesquisa Agropecuária, Instituto de Pesquisas Veterinárias Desidério Finamor, Secretaria da Agricultura, Pecuária e Desenvolvimento Rural, Estrada Do Conde 6000, Eldorado Do Sul, RS, Brazil
| | | | - Carlos Tadeu Pippi Salle
- Centro de Diagnóstico e Pesquisa em Patologia Aviária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9090, Porto Alegre, RS, 91540-000, Brazil
| | - Hamilton Luiz de Souza Moraes
- Centro de Diagnóstico e Pesquisa em Patologia Aviária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9090, Porto Alegre, RS, 91540-000, Brazil
| | - Vladimir Pinheiro do Nascimento
- Centro de Diagnóstico e Pesquisa em Patologia Aviária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9090, Porto Alegre, RS, 91540-000, Brazil
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Montes-Robledo A, Buelvas-Montes Y, Baldiris-Avila R. Description of extraintestinal pathogenic Escherichia coli based on phylogenetic grouping, virulence factors, and antimicrobial susceptibility. IRANIAN JOURNAL OF MICROBIOLOGY 2023; 15:503-512. [PMID: 38045705 PMCID: PMC10692971 DOI: 10.18502/ijm.v15i4.13504] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/05/2023]
Abstract
Background and Objectives Extraintestinal pathogenic Escherichia coli (ExPEC) is a recently recognized and highly diverse pathotype of E. coli. Its significance as a pathogen has increased due to the emergence of hypervirulent and multidrug-resistant (MDR) strains. The aim of this study was to characterize ExPEC isolates from humans based on their phylogenetic group, virulence factor profile, and antimicrobial susceptibility. Materials and Methods The isolates were collected from patients with extraintestinal infections caused by E. coli, including urinary tract infections, bacteremia, and surgical site infections. The E. coli phylogenetic groups were determined using multiplex PCR. Additionally, the isolates were evaluated for their biofilm-forming abilities, susceptibility to antimicrobial agents, and presence of virulence genes. Results In this study, the isolates were classified into four phylogenetic groups: A (48.3%), B2 (25.8%), D (19.35%), and B1 (6.45%). All isolates exhibited at least one of the ten analyzed virulence factors. However, there was no direct evidence linking a specific phylogenetic group to a particular virulence factor. Nevertheless, the presence of the fimH, fyuA, ompT, traT, and kpsMTII virulence genes was correlated with the production of strong biofilms, multidrug resistance (MDR), and the production of alpha hemolysin. Conclusion This study provides a description of the phylogenetic groups in ExPEC and their potential association with virulence factor profiles and antimicrobial susceptibility.
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Affiliation(s)
- Alfredo Montes-Robledo
- Department of Exact and Natural Sciences, School of Biology, Universidad de Cartagena, Cartagena, Colombia
- Department of Basic Health, School of Medicine, Universidad del Sinú Cartagena, Cartagena, Colombia
| | - Yaleyvis Buelvas-Montes
- Department of Exact and Natural Sciences, School of Biology, Universidad de Cartagena, Cartagena, Colombia
- Department of Basic Health, School of Medicine, Universidad del Sinú Cartagena, Cartagena, Colombia
| | - Rosa Baldiris-Avila
- Department of Exact and Natural Sciences, School of Biology, Universidad de Cartagena, Cartagena, Colombia
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Assessing the Load, Virulence and Antibiotic-Resistant Traits of ESBL/Ampc E. coli from Broilers Raised on Conventional, Antibiotic-Free, and Organic Farms. Antibiotics (Basel) 2022; 11:antibiotics11111484. [PMID: 36358139 PMCID: PMC9686507 DOI: 10.3390/antibiotics11111484] [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: 09/21/2022] [Revised: 10/21/2022] [Accepted: 10/25/2022] [Indexed: 11/16/2022] Open
Abstract
Poultry is the most likely source of livestock-associated Extended Spectrum Beta-Lactamase (ESBL) and plasmid-mediated AmpC (pAmpC)-producing E. coli (EC) for humans. We tested the hypothesis that farming methods have an impact on the load of ESBL/pAmpC-EC in the gut of broilers at slaughter. Isolates (n = 156) of antibiotic-free (AF), organic (O), and conventional (C) animals were characterized for antibiotic susceptibility and antibiotic resistance genes. Thirteen isolates were whole-genome sequenced. The average loads of ESBL/pAmpC-EC in cecal contents were 4.17 Log CFU/g for AF; 2.85 Log CFU/g for O; and 3.88 Log CFU/g for C type (p < 0.001). ESBL/pAmpC-EC isolates showed resistance to antibiotic classes historically used in poultry, including penicillins, tetracyclines, quinolones, and sulfonamides. Isolates from O and AF farms harbored a lower proportion of resistance to antibiotics than isolates from C farms. Among the determinants for ESBL/pAmpC, CTX-M-1 prevailed (42.7%), followed by TEM-type (29%) and SHV (19.8%). Avian pathogenic E. coli (APEC), belonging to ST117 and ST349, were identified in the collection. These data confirm the possible role of a broiler as an ESBL/AmpC EC and APEC reservoir for humans. Overall, our study suggests that antibiotic-free and organic production may contribute to a reduced exposure to ESBL/AmpC EC for the consumer.
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Khalifeh OM, Obaidat MM. Urinary tract virulence genes in extended-spectrum beta-lactamase E. coli from dairy cows, beef cattle, and small ruminants. Acta Trop 2022; 234:106611. [PMID: 35850234 DOI: 10.1016/j.actatropica.2022.106611] [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: 06/02/2022] [Revised: 07/03/2022] [Accepted: 07/14/2022] [Indexed: 11/01/2022]
Abstract
Extended-spectrum β-lactamase Escherichia coli is an important cause of urinary tract infections in humans. ESBL producers E. coli were reported in food-producing animals, but no previous study reported the virulence potential of these isolates. Thus, this study determined the virulence potential of ESBL producers E. coli isolates from 518 beef feces, 610 dairy cow feces, 305 dairy cow milk, 503 sheep milk and 445 goat milk samples. A total of 278 isolates; specifically, 130 from beef feces, 39 from the cow's feces, 42 from cow's milk, 44 from sheep milk and 23 from goats' milk were isolated and then tested for 14 virulence genes by polymerase chain reaction. After that, the correlation of virulence genes presence among the isolates was determined statistically. Overall, 97% of the isolates carried fimH, 39% carried iroN E. coli and 32% carried papC. The kpsMT K1, cnf1, papAH, papG allele II & III, papG allele II, and kpsMT II were carried by 6 to 23% of the isolates, while less than 6% of the isolates carried papG allele III, papG allele I, Univcnf, iutA and hlyA. About 68.2% of the isolates carried two or more virulence genes and 41.8% carried three or more. Moreover, the isolates had 71 different profiles of virulence genes, where the most common profiles were fimH alone (86 isolate), fimH + iroN E. coli (35 isolate), fimH + papC (20 isolate), and fimH + papC + iroN E. coli (13 isolate). The adhesion, capsule synthesis and toxins secretion genes were significantly associated (p ˂ 0.01) with each other. These results call for awareness about the risk of food animals as reservoirs of ESBL uropathogenic E. coli that would threaten public health and limits the treatment options for urinary tract infections.
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Affiliation(s)
- Omar Mohammad Khalifeh
- Faculty of Medicine, Jordan University of Science and Technology, Ar-Ramtha, Irbid, Jordan
| | - Mohammad M Obaidat
- Faculty of Veterinary Medicine, Jordan University of Science and Technology, Ar-Ramtha, Irbid 22110, Jordan.
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Ferraresso J, Apostolakos I, Fasolato L, Piccirillo A. Third-generation cephalosporin (3GC) resistance and its association with Extra-intestinal pathogenic Escherichia coli (ExPEC). Focus on broiler carcasses. Food Microbiol 2022; 103:103936. [DOI: 10.1016/j.fm.2021.103936] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 10/26/2021] [Accepted: 11/04/2021] [Indexed: 11/04/2022]
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Nielsen SS, Bicout DJ, Calistri P, Canali E, Drewe JA, Garin‐Bastuji B, Gonzales Rojas JL, Gortázar C, Herskin M, Michel V, Miranda Chueca MÁ, Padalino B, Pasquali P, Roberts HC, Spoolder H, Ståhl K, Velarde A, Viltrop A, Winckler C, Baldinelli F, Broglia A, Kohnle L, Alvarez J. Assessment of listing and categorisation of animal diseases within the framework of the Animal Health Law (Regulation (EU) No 2016/429): antimicrobial‐resistant Escherichia coli in dogs and cats, horses, swine, poultry, cattle, sheep and goats. EFSA J 2022; 20:e07311. [PMID: 35582363 PMCID: PMC9087955 DOI: 10.2903/j.efsa.2022.7311] [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] [Indexed: 11/11/2022] Open
Abstract
Escherichia coli (E. coli) was identified among the most relevant antimicrobial‐resistant (AMR) bacteria in the EU for dogs and cats, horses, swine, poultry, cattle, sheep and goats in previous scientific opinions. Thus, it has been assessed according to the criteria of the Animal Health Law (AHL), in particular criteria of Article 7 on disease profile and impacts, Article 5 on its eligibility to be listed, Annex IV for its categorisation according to disease prevention and control rules as in Article 9 and Article 8 for listing animal species related to the bacterium. The assessment has been performed following a methodology previously published. The outcome is the median of the probability ranges provided by the experts, which indicates whether each criterion is fulfilled (lower bound ≥ 66%) or not (upper bound ≤ 33%), or whether there is uncertainty about fulfilment. Reasoning points are reported for criteria with uncertain outcome. According to the assessment here performed, it is uncertain whether AMR E. coli can be considered eligible to be listed for Union intervention according to Article 5 of the AHL (33–66% probability). According to the criteria in Annex IV, for the purpose of categorisation related to the level of prevention and control as in Article 9 of the AHL, the AHAW Panel concluded that the bacterium does not meet the criteria in Sections 1, 2, 3 and 4 (Categories A, B, C and D; 0–5%, 5–10%, 10–33% and 10–33% probability of meeting the criteria, respectively) and the AHAW Panel was uncertain whether it meets the criteria in Section 5 (Category E, 33–66% probability of meeting the criteria). The animal species to be listed for AMR E. coli according to Article 8 criteria include mammals, birds, reptiles and fish.
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Edwards T, Heinz E, van Aartsen J, Howard A, Roberts P, Corless C, Fraser AJ, Williams CT, Bulgasim I, Cuevas LE, Parry CM, Roberts AP, Adams ER, Mason J, Hubbard ATM. Piperacillin/tazobactam-resistant, cephalosporin-susceptible Escherichia coli bloodstream infections are driven by multiple acquisition of resistance across diverse sequence types. Microb Genom 2022; 8. [PMID: 35404783 PMCID: PMC9453079 DOI: 10.1099/mgen.0.000789] [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] [Indexed: 11/18/2022] Open
Abstract
Resistance to piperacillin/tazobactam (TZP) in Escherichia coli has predominantly been associated with mechanisms that confer resistance to third-generation cephalosporins. Recent reports have identified E. coli strains with phenotypic resistance to piperacillin/tazobactam but susceptibility to third-generation cephalosporins (TZP-R/3GC-S). In this study we sought to determine the genetic diversity of this phenotype in E. coli (n=58) isolated between 2014–2017 at a single tertiary hospital in Liverpool, UK, as well as the associated resistance mechanisms. We compare our findings to a UK-wide collection of invasive E. coli isolates (n=1509) with publicly available phenotypic and genotypic data. These data sets included the TZP-R/3GC-S phenotype (n=68), and piperacillin/tazobactam and third-generation cephalosporin-susceptible (TZP-S/3GC-S, n=1271) phenotypes. The TZP-R/3GC-S phenotype was displayed in a broad range of sequence types, which was mirrored in the same phenotype from the UK-wide collection, and the overall diversity of invasive E. coli isolates. The TZP-R/3GC-S isolates contained a diverse range of plasmids, indicating multiple acquisition events of TZP resistance mechanisms rather than clonal expansion of a particular plasmid or sequence type. The putative resistance mechanisms were equally diverse, including hyperproduction of TEM-1, either via strong promoters or gene amplification, carriage of inhibitor-resistant β-lactamases, and an S133G blaCTX-M-15 mutation detected for the first time in clinical isolates. Several of these mechanisms were present at a lower abundance in the TZP-S/3GC-S isolates from the UK-wide collection, but without the associated phenotypic resistance to TZP. Eleven (19%) of the isolates had no putative mechanism identified from the genomic data. Our findings highlight the complexity of this cryptic phenotype and the need for continued phenotypic monitoring, as well as further investigation to improve detection and prediction of the TZP-R/3GC-S phenotype from genomic data.
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Affiliation(s)
- Thomas Edwards
- Centre for Drug and Diagnostics, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
- Department of Tropical Disease Biology, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
| | - Eva Heinz
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, CB10 1SA, UK
- Department of Clinical Sciences, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
- Department of Vector Biology, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
| | - Jon van Aartsen
- Liverpool University Hospital Foundation Trust, Prescot street, Liverpool, L7 8XP, UK
| | - Alex Howard
- Liverpool University Hospital Foundation Trust, Prescot street, Liverpool, L7 8XP, UK
| | - Paul Roberts
- Faculty of Science and Engineering, University of Wolverhampton, Wolverhampton WV1 1LY, UK
- Liverpool University Hospital Foundation Trust, Prescot street, Liverpool, L7 8XP, UK
| | - Caroline Corless
- Liverpool University Hospital Foundation Trust, Prescot street, Liverpool, L7 8XP, UK
| | - Alice J. Fraser
- Centre for Drug and Diagnostics, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
- Department of Tropical Disease Biology, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
| | - Christopher T. Williams
- Centre for Drug and Diagnostics, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
- Department of Tropical Disease Biology, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
| | - Issra Bulgasim
- Centre for Drug and Diagnostics, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
- Department of Tropical Disease Biology, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
| | - Luis E. Cuevas
- Department of Vector Biology, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
| | - Christopher M. Parry
- Alder Hey Children’s NHS Foundation Trust, Liverpool, L12 2AP, UK
- Department of Clinical Sciences, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
| | - Adam P. Roberts
- Department of Tropical Disease Biology, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
| | - Emily R. Adams
- Centre for Drug and Diagnostics, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
- Department of Tropical Disease Biology, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
| | - Jenifer Mason
- Liverpool University Hospital Foundation Trust, Prescot street, Liverpool, L7 8XP, UK
| | - Alasdair T. M. Hubbard
- Department of Biosciences, School of Science and Technology, Nottingham Trent University, Nottingham, NG11 8NS, UK
- Department of Tropical Disease Biology, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
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WHO Critical Priority Escherichia coli as One Health Challenge for a Post-Pandemic Scenario: Genomic Surveillance and Analysis of Current Trends in Brazil. Microbiol Spectr 2022; 10:e0125621. [PMID: 35234515 PMCID: PMC8941879 DOI: 10.1128/spectrum.01256-21] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The dissemination of carbapenem-resistant and third generation cephalosporin-resistant pathogens is a critical issue that is no longer restricted to hospital settings. The rapid spread of critical priority pathogens in Brazil is notably worrying, considering its continental dimension, the diversity of international trade, livestock production, and human travel. We conducted a nationwide genomic investigation under a One Health perspective that included Escherichia coli strains isolated from humans and nonhuman sources, over 45 years (1974–2019). One hundred sixty-seven genomes were analyzed extracting clinically relevant information (i.e., resistome, virulome, mobilome, sequence types [STs], and phylogenomic). The endemic status of extended-spectrum β-lactamase (ESBL)-positive strains carrying a wide diversity of blaCTX-M variants, and the growing number of colistin-resistant isolates carrying mcr-type genes was associated with the successful expansion of international ST10, ST38, ST115, ST131, ST354, ST410, ST648, ST517, and ST711 clones; phylogenetically related and shared between human and nonhuman hosts, and polluted aquatic environments. Otherwise, carbapenem-resistant ST48, ST90, ST155, ST167, ST224, ST349, ST457, ST648, ST707, ST744, ST774, and ST2509 clones from human host harbored blaKPC-2 and blaNDM-1 genes. A broad resistome to other clinically relevant antibiotics, hazardous heavy metals, disinfectants, and pesticides was further predicted. Wide virulome associated with invasion/adherence, exotoxin and siderophore production was related to phylogroup B2. The convergence of wide resistome and virulome has contributed to the persistence and rapid spread of international high-risk clones of critical priority E. coli at the human-animal-environmental interface, which must be considered a One Health challenge for a post-pandemic scenario. IMPORTANCE A One Health approach for antimicrobial resistance must integrate whole-genome sequencing surveillance data of critical priority pathogens from human, animal and environmental sources to track hot spots and routes of transmission and developing effective prevention and control strategies. As part of the Grand Challenges Explorations: New Approaches to Characterize the Global Burden of Antimicrobial Resistance Program, we present genomic data of WHO critical priority carbapenemase-resistant, ESBL-producing, and/or colistin-resistant Escherichia coli strains isolated from humans and nonhuman sources in Brazil, a country with continental proportions and high levels of antimicrobial resistance. The present study provided evidence of epidemiological and clinical interest, highlighting that the convergence of wide virulome and resistome has contributed to the persistence and rapid spread of international high-risk clones of E. coli at the human-animal-environmental interface, which must be considered a One Health threat that requires coordinated actions to reduce its incidence in humans and nonhuman hosts.
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Grakh K, Mittal D, Prakash A, Jindal N. Characterization and antimicrobial susceptibility of biofilm-producing Avian Pathogenic Escherichia coli from broiler chickens and their environment in India. Vet Res Commun 2022; 46:537-548. [PMID: 35112272 DOI: 10.1007/s11259-021-09881-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 12/27/2021] [Indexed: 11/26/2022]
Abstract
Avian pathogenic Escherichia coli (APEC) is responsible for colibacillosis in poultry. APEC remains a constant problem for the poultry industry, despite the use of antimicrobials and disinfectants in farms. The endemicity of APEC in poultry farms is associated with its biofilm-forming ability, which is further aggravated by various virulence factors and resistance to multiple drugs that help bacteria to thrive under different environmental conditions. To characterize APEC from affected broiler chickens and their environments, samples (n=114) from dead birds (heart, liver, lungs, and cloacal swab) and surrounding environments such as feeder, drinker, litter, PVC pipe, water tank wall, feed, and water were collected. The collected samples were subjected to microbial isolation using MacConkey Lactose agar (MLA) and Eosin Methylene Blue agar (EMB), which led to the isolation of 62 E. coli isolates. This was confirmed by uspA gene amplification and Vitek 2 Compact. These isolates were characterized using a set of five virulence genes (hlyF, ompT, iroN, iss, iutA), which yielded 47 (75.80%) isolates as APEC and the remaining as non-APEC. Furthermore, all the 62 isolates were subjected to microtiter plate assay for biofilm detection and the result showed that 36 (58.06%) isolates were able to form moderate to strong biofilms in Trypticase soy broth (TSB) at 72h of incubation. Of the 36 biofilm-producing isolates, 30 were APEC. Biofilm-related genes (crl, csgA, fimH, luxS, and papC) were also detected with higher prevalence among APEC isolates. Antimicrobial susceptibility test using Vitek 2 Compact revealed 43 (91.48%) of 47 APEC isolates as multiple drug resistant (MDR) and 8 (17.02%) as ESBL positive. This study reveals that APEC with biofilm formation ability is present in poultry farms. Further studies are needed to understand the role of biofilms in the pathogenesis and antimicrobial resistance of APEC.
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Affiliation(s)
- Kushal Grakh
- Department of Veterinary Public Health and Epidemiology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, 125004, India.
| | - Dinesh Mittal
- Department of Veterinary Public Health and Epidemiology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, 125004, India
| | - Anand Prakash
- Department of Veterinary Public Health and Epidemiology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, 125004, India
| | - Naresh Jindal
- Department of Veterinary Public Health and Epidemiology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, 125004, India
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15
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Genomic analysis of the zoonotic ST73 lineage containing avian and human extraintestinal pathogenic Escherichia coli (ExPEC). Vet Microbiol 2022; 267:109372. [DOI: 10.1016/j.vetmic.2022.109372] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/09/2022] [Accepted: 02/14/2022] [Indexed: 11/18/2022]
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16
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Ghorbani A, Khoshbakht R, Kaboosi H, Shirzad-Aski H, Peyravii Ghadikolaii F. Study on antibiotic resistance and phylogenetic comparison of avian-pathogenic Escherichia coli (APEC) and uropathogenic Escherichia coli (UPEC) isolates. VETERINARY RESEARCH FORUM : AN INTERNATIONAL QUARTERLY JOURNAL 2022; 13:569-576. [PMID: 36686883 PMCID: PMC9840809 DOI: 10.30466/vrf.2021.527563.3160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 06/16/2021] [Indexed: 01/24/2023]
Abstract
Avian pathogenic Escherichia coli (APEC) and uropathogenic E. coli (UPEC) can cause vast infections in humans and poultry. The present study was conducted to compare the isolates of the APEC and UPEC pathotypes on the basis phenotypic and genotypic features of antibiotic resistance and phylogenetic differences. Total number of 70 identified E. coli strains, including 35 APEC and 35 UPEC isolates, were isolated from avian colibacillosis and human urinary tract infection (UTI), and were subjected to the antimicrobial susceptibility testing, polymerase chain reaction (PCR) detection of the resistance genes, phylogenetic grouping and DNA fingerprinting with enterobacterial repetitive intergenic consensus PCR (ERIC - PCR) to survey the variability of the isolates. The most resistance rates among all E. coli isolates were, respectively, obtained for Ampicillin (84.20%) and sulfamethoxazole-trimethoprim (65.70%). The APEC and UPEC isolates showed the most susceptibility to imipenem and gentamycin, respectively. Among 70 APEC and UPEC isolates 34.20%, 32.80%, 20.00%, and 12.80% belonged to the A, B2, D, and B1 phylogenetic groups, respectively. Analysis of the DNA fingerprinting phylogenetic tree showed 10 specific clusters of APEC and UPEC isolates. According to the results, the most effective antibiotics and the phenotypic and genotypic predominant resistance patterns of the APEC and UPEC isolates were different. Moreover, APECs and UPECs showed various dominant phylogenetic groups. With all descriptions, the APEC isolates still are potential candidates for carrying important resistance genes and can be one of the possible strains related to human infections.
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Affiliation(s)
- Alireza Ghorbani
- Department of Microbiology, Ayatollah Amoli Branch, Islamic Azad University, Amol, Iran;
| | - Rahem Khoshbakht
- Department of Pathobiology, Faculty of Veterinary Medicine, Amol University of Special Modern Technologies, Amol, Iran; ,Correspondence Rahem Khoshbakht. DVM, PhD Department of Pathobiology, Faculty of Veterinary Medicine, Amol University of Special Modern Technologies, Amol, Iran. E-mail:
| | - Hami Kaboosi
- Department of Microbiology, Ayatollah Amoli Branch, Islamic Azad University, Amol, Iran;
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17
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Thomrongsuwannakij T, Narinthorn R, Mahawan T, Blackall PJ. Molecular and phenotypic characterization of avian pathogenic Escherichia coli isolated from commercial broilers and native chickens. Poult Sci 2022; 101:101527. [PMID: 34823179 PMCID: PMC8627976 DOI: 10.1016/j.psj.2021.101527] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 08/26/2021] [Accepted: 10/08/2021] [Indexed: 11/19/2022] Open
Abstract
Many studies have examined avian pathogenic Escherichia coli (APEC) from commercial broilers but few have examined isolates from native chickens. This study compared APEC isolates from commercial broilers and native chickens in regard to the phylogenetic group and the phenotypic and genotypic antimicrobial resistance profiles. From 100 suspect colibacillosis cases in both commercial broilers and native chickens, a total of 90 broiler isolates and 42 native chicken isolates were identified as E. coli by biochemical tests. Phylogenetic grouping revealed that 90 broiler APEC isolates belonged to A group (5.56%), B1 group (22.22%), B2 group (31.11%), and D group (41.11%). The 42 native chicken APEC isolates belonged to A group (35.71%), B1 group (26.19%), B2 group (30.95%), and D group (7.14%). The difference in the allocation to groups A and D of the 2 isolate types was significant (P < 0.05). The APEC broiler isolates had a significantly higher multidrug-resistant (MDR) rate (80%) than the native chicken isolates (14.29%) (P < 0.05). The APEC broiler isolates demonstrated significantly higher resistance rates than the native chicken isolates for amoxicillin (98.89%; 78.57% respectively), chloramphenicol (42.2%; 9.5%), enrofloxacin (68.9%; 7.1%), gentamicin (11.1%; 0%), nalidixic acid (72.2%; 7.1%), sulfamethoxazole + trimethoprim (45.6%; 2.4%), and tetracycline (88.9%; 76.2%) (P < 0.05). The APEC broiler isolates had a significantly higher presence compared with the native chicken isolates of the following resistance genes:- by blaTEM (43.3%; 21.4%, respectively), cml-A (34.4%; 2.4%), tetA (76.7%; 40.5%), tetB (26.7%; 0%), sul2 (23.3%; 14.3%), and dhfrI (13.3%; 0%) (P < 0.05). The qnrB and qnrS genes were detected (12.16%; 72.97% respectively), in the APEC broiler isolates resistant to nalidixic acid and/or enrofloxacin while only qnrS genes was detected in all 3 APEC native chicken isolates. Regarding the point mutations of gyrA and parC, all isolates were positive to gyrA83S, gyrA87D, gyrA87L, gyrA87NY, parC80S and parC80I except that gyrA83S was not present in 20 APEC broiler isolates. Antimicrobial stewardship programs should be targeted at the backyard poultry sector as well as the commercial poultry sector.
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Affiliation(s)
- Thotsapol Thomrongsuwannakij
- Akkhraratchakumari Veterinary College, Walailak University, Nakorn Si Thammarat 80160, Thailand; One Health Research Center, Walailak University, Nakhon Si Thammarat 80160, Thailand.
| | - Ruethai Narinthorn
- Akkhraratchakumari Veterinary College, Walailak University, Nakorn Si Thammarat 80160, Thailand; One Health Research Center, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Tanakamol Mahawan
- Akkhraratchakumari Veterinary College, Walailak University, Nakorn Si Thammarat 80160, Thailand; One Health Research Center, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Patrick J Blackall
- Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St Lucia 4067, Australia
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Antibacterial, antibiofilm, and anti-adhesion activities of Piper betle leaf extract against Avian pathogenic Escherichia coli. Arch Microbiol 2021; 204:49. [DOI: 10.1007/s00203-021-02701-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 11/04/2021] [Accepted: 11/09/2021] [Indexed: 10/19/2022]
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19
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Avian Pathogenic Escherichia coli (APEC): An Overview of Virulence and Pathogenesis Factors, Zoonotic Potential, and Control Strategies. Pathogens 2021; 10:pathogens10040467. [PMID: 33921518 PMCID: PMC8069529 DOI: 10.3390/pathogens10040467] [Citation(s) in RCA: 93] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/05/2021] [Accepted: 04/09/2021] [Indexed: 02/07/2023] Open
Abstract
Avian pathogenic Escherichia coli (APEC) causes colibacillosis in avian species, and recent reports have suggested APEC as a potential foodborne zoonotic pathogen. Herein, we discuss the virulence and pathogenesis factors of APEC, review the zoonotic potential, provide the current status of antibiotic resistance and progress in vaccine development, and summarize the alternative control measures being investigated. In addition to the known virulence factors, several other factors including quorum sensing system, secretion systems, two-component systems, transcriptional regulators, and genes associated with metabolism also contribute to APEC pathogenesis. The clear understanding of these factors will help in developing new effective treatments. The APEC isolates (particularly belonging to ST95 and ST131 or O1, O2, and O18) have genetic similarities and commonalities in virulence genes with human uropathogenic E. coli (UPEC) and neonatal meningitis E. coli (NMEC) and abilities to cause urinary tract infections and meningitis in humans. Therefore, the zoonotic potential of APEC cannot be undervalued. APEC resistance to almost all classes of antibiotics, including carbapenems, has been already reported. There is a need for an effective APEC vaccine that can provide protection against diverse APEC serotypes. Alternative therapies, especially the virulence inhibitors, can provide a novel solution with less likelihood of developing resistance.
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García A, Fox JG. A One Health Perspective for Defining and Deciphering Escherichia coli Pathogenic Potential in Multiple Hosts. Comp Med 2021; 71:3-45. [PMID: 33419487 PMCID: PMC7898170 DOI: 10.30802/aalas-cm-20-000054] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 08/17/2020] [Accepted: 09/19/2020] [Indexed: 11/05/2022]
Abstract
E. coli is one of the most common species of bacteria colonizing humans and animals. The singularity of E. coli 's genus and species underestimates its multifaceted nature, which is represented by different strains, each with different combinations of distinct virulence factors. In fact, several E. coli pathotypes, or hybrid strains, may be associated with both subclinical infection and a range of clinical conditions, including enteric, urinary, and systemic infections. E. coli may also express DNA-damaging toxins that could impact cancer development. This review summarizes the different E. coli pathotypes in the context of their history, hosts, clinical signs, epidemiology, and control. The pathotypic characterization of E. coli in the context of disease in different animals, including humans, provides comparative and One Health perspectives that will guide future clinical and research investigations of E. coli infections.
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Key Words
- aa, aggregative adherence
- a/e, attaching and effacing
- aepec, atypical epec
- afa, afimbrial adhesin
- aida-i, adhesin involved in diffuse adherence
- aiec, adherent invasive e. coli
- apec, avian pathogenic e. coli
- atcc, american type culture collection
- bfp, bundle-forming pilus
- cd, crohn disease
- cdt, cytolethal distending toxin gene
- clb, colibactin
- cnf, cytotoxic necrotizing factor
- cs, coli surface (antigens)
- daec, diffusely adhering e. coli
- db, dutch belted
- eae, e. coli attaching and effacing gene
- eaec, enteroaggregative e. coli
- eaf, epec adherence factor (plasmid)
- eahec, entero-aggregative-hemorrhagic e. coli
- east-1, enteroaggregative e. coli heat-stable enterotoxin
- e. coli, escherichia coli
- ed, edema disease
- ehec, enterohemorrhagic e. coli
- eiec, enteroinvasive e. coli
- epec, enteropathogenic e. coli
- esbl, extended-spectrum β-lactamase
- esp, e. coli secreted protein
- etec, enterotoxigenic e. coli
- expec, extraintestinal pathogenic e. coli
- fyua, yersiniabactin receptor gene
- gi, gastrointestinal
- hly, hemolysin
- hus, hemolytic uremic syndrome
- ibd, inflammatory bowel disease
- la, localized adherence
- lee, locus of enterocyte effacement
- lpf, long polar fimbriae
- lt, heat-labile (enterotoxin)
- mlst, multilocus sequence typing
- ndm, new delhi metallo-β-lactamase
- nzw, new zealand white
- pap, pyelonephritis-associated pilus
- pks, polyketide synthase
- sfa, s fimbrial adhesin
- slt, shiga-like toxin
- st, heat-stable (enterotoxin)
- stec, stx-producing e. coli
- stx, shiga toxin
- tepec, typical epec
- upec, uropathogenic e. coli
- uti, urinary tract infection
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Affiliation(s)
- Alexis García
- Molecular Sciences Research Center, University of Puerto Rico, San Juan, Puerto Rico; Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, Massachusetts; Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, Massachusetts;,
| | - James G Fox
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, Massachusetts
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21
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Cytotoxic Escherichia coli strains encoding colibactin, cytotoxic necrotizing factor, and cytolethal distending toxin colonize laboratory common marmosets (Callithrix jacchus). Sci Rep 2021; 11:2309. [PMID: 33504843 PMCID: PMC7841143 DOI: 10.1038/s41598-020-80000-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 12/08/2020] [Indexed: 11/09/2022] Open
Abstract
Cyclomodulins are virulence factors that modulate cellular differentiation, apoptosis, and proliferation. These include colibactin (pks), cytotoxic necrotizing factor (cnf), and cytolethal distending toxin (cdt). Pathogenic pks+, cnf+, and cdt+ E. coli strains are associated with inflammatory bowel disease (IBD) and colorectal cancer in humans and animals. Captive marmosets are frequently afflicted with IBD-like disease, and its association with cyclomodulins is unknown. Cyclomodulin-encoding E. coli rectal isolates were characterized using PCR-based assays in healthy and clinically affected marmosets originating from three different captive sources. 139 E. coli isolates were cultured from 122 of 143 marmosets. The pks gene was detected in 56 isolates (40%), cnf in 47 isolates (34%), and cdt in 1 isolate (0.7%). The prevalences of pks+ and cnf+ E. coli isolates were significantly different between the three marmoset colonies. 98% of cyclomodulin-positive E. coli belonged to phylogenetic group B2. Representative isolates demonstrated cyclomodulin cytotoxicity, and serotyping and whole genome sequencing were consistent with pathogenic E. coli strains. However, the presence of pks+, cnf+, or cdt+ E. coli did not correlate with clinical gastrointestinal disease in marmosets. Cyclomodulin-encoding E. coli colonize laboratory common marmosets in a manner dependent on the source, potentially impacting reproducibility in marmoset models.
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Riley LW. Distinguishing Pathovars from Nonpathovars: Escherichia coli. Microbiol Spectr 2020; 8:10.1128/microbiolspec.ame-0014-2020. [PMID: 33385193 PMCID: PMC10773148 DOI: 10.1128/microbiolspec.ame-0014-2020] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Indexed: 02/07/2023] Open
Abstract
Escherichia coli is one of the most well-adapted and pathogenically versatile bacterial organisms. It causes a variety of human infections, including gastrointestinal illnesses and extraintestinal infections. It is also part of the intestinal commensal flora of humans and other mammals. Groups of E. coli that cause diarrhea are often described as intestinal pathogenic E. coli (IPEC), while those that cause infections outside of the gut are called extraintestinal pathogenic E. coli (ExPEC). IPEC can cause a variety of diarrheal illnesses as well as extraintestinal syndromes such as hemolytic-uremic syndrome. ExPEC cause urinary tract infections, bloodstream infection, sepsis, and neonatal meningitis. IPEC and ExPEC have thus come to be referred to as pathogenic variants of E. coli or pathovars. While IPEC can be distinguished from commensal E. coli based on their characteristic virulence factors responsible for their associated clinical manifestations, ExPEC cannot be so easily distinguished. IPEC most likely have reservoirs outside of the human intestine but it is unclear if ExPEC represent nothing more than commensal E. coli that breach a sterile barrier to cause extraintestinal infections. This question has become more complicated by the advent of whole genome sequencing (WGS) that has raised a new question about the taxonomic characterization of E. coli based on traditional clinical microbiologic and phylogenetic methods. This review discusses how molecular epidemiologic approaches have been used to address these questions, and how answers to these questions may contribute to our better understanding of the epidemiology of infections caused by E. coli. *This article is part of a curated collection.
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Affiliation(s)
- Lee W Riley
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, CA 94720
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Bogema DR, McKinnon J, Liu M, Hitchick N, Miller N, Venturini C, Iredell J, Darling AE, Roy Chowdury P, Djordjevic SP. Whole-genome analysis of extraintestinal Escherichia coli sequence type 73 from a single hospital over a 2 year period identified different circulating clonal groups. Microb Genom 2020; 6. [PMID: 30810518 PMCID: PMC7067039 DOI: 10.1099/mgen.0.000255] [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] [Indexed: 11/18/2022] Open
Abstract
Sequence type (ST)73 has emerged as one of the most frequently isolated extraintestinal pathogenic Escherichia coli. To examine the localized diversity of ST73 clonal groups, including their mobile genetic element profile, we sequenced the genomes of 16 multiple-drug resistant ST73 isolates from patients with urinary tract infection from a single hospital in Sydney, Australia, between 2009 and 2011. Genome sequences were used to generate a SNP-based phylogenetic tree to determine the relationship of these isolates in a global context with ST73 sequences (n=210) from public databases. There was no evidence of a dominant outbreak strain of ST73 in patients from this hospital, rather we identified at least eight separate groups, several of which reoccurred, over a 2 year period. The inferred phylogeny of all ST73 strains (n=226) including the ST73 clone D i2 reference genome shows high bootstrap support and clusters into four major groups that correlate with serotype. The Sydney ST73 strains carry a wide variety of virulence-associated genes, but the presence of iss, pic and several iron-acquisition operons was notable.
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Affiliation(s)
- D R Bogema
- Elizabeth Macarthur Agricultural Institute, NSW Department of Primary Industries, Menangle, NSW 2568, Australia.,The ithree Institute, University of Technology Sydney, NSW 2007, Australia
| | - J McKinnon
- The ithree Institute, University of Technology Sydney, NSW 2007, Australia
| | - M Liu
- The ithree Institute, University of Technology Sydney, NSW 2007, Australia
| | - N Hitchick
- San Pathology, Sydney Adventist Hospital, Wahroonga, NSW 2076, Australia
| | - N Miller
- San Pathology, Sydney Adventist Hospital, Wahroonga, NSW 2076, Australia
| | - C Venturini
- Centre for Infectious Diseases and Microbiology, Westmead Institute for Medical Research, The University of Sydney, Westmead, NSW 2145, Australia
| | - J Iredell
- Centre for Infectious Diseases and Microbiology, Westmead Institute for Medical Research, The University of Sydney, Westmead, NSW 2145, Australia
| | - A E Darling
- The ithree Institute, University of Technology Sydney, NSW 2007, Australia
| | - P Roy Chowdury
- The ithree Institute, University of Technology Sydney, NSW 2007, Australia
| | - S P Djordjevic
- The ithree Institute, University of Technology Sydney, NSW 2007, Australia
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Gregova G, Kmet V. Antibiotic resistance and virulence of Escherichia coli strains isolated from animal rendering plant. Sci Rep 2020; 10:17108. [PMID: 33051473 PMCID: PMC7553926 DOI: 10.1038/s41598-020-72851-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 09/03/2020] [Indexed: 01/09/2023] Open
Abstract
Processing of animal carcasses and other animal wastes in rendering plants is a significant source of antibiotic resistant microorganisms. The main goal of this study was to investigate the resistance to 18 antibacterial agents including β-lactams, fluoroquinolones, colistin and virulence factors (iss, tsh, cvaC, iutA, papC, kps and ibeA genes) in 88 Escherichia coli strains isolated from a rendering plant over 1 year period. ESBL (Extended-spectrum beta-lactamases) and plasmid-mediated Amp were screened by interpretative reading of MIC. ESBL phenotype was detected in 20.4% of samples and high level of resistance to fluoroquinolone was found in 27.2% of strains. Cephalosporinase CTX-M1, cephamycinase CMY-2, integrase 1 and transposon 3 genes were detected by PCR. Furthermore, there were found three CMY-2 producing E. coli with O25b-ST131, resistant to the high level of enrofloxacin and containing the gene encoding the ferric aerobactin receptor (iutA). One enrofloxacin resistant E. coli strain possessed iss, ibeA, kps and papC virulence genes also with CMY-2, integrase1 and Tn3. ST131 E. coli with CMY-2 has a zoonotic potential and presents a serious health risk to humans.
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Affiliation(s)
- Gabriela Gregova
- University of Veterinary Medicine and Pharmacy in Kosice, Komenskeho 73, 041 81, Kosice, Slovakia.
| | - Vladimir Kmet
- Institute of Animal Physiology, Centre of Biosciences, Slovak Academy of Sciences, Soltesovej 4, 040 01, Kosice, Slovakia
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25
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A complex approach to a complex problem: the use of whole-genome sequencing in monitoring avian-pathogenic Escherichia coli – a review. ACTA VET BRNO 2020. [DOI: 10.2754/avb202089030273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Infections associated with Escherichia coli are responsible for immense losses in poultry production; moreover, poultry products may serve as a source of pathogenic and/or resistant strains for humans. As early as during the first hours of life, commercially hatched chickens are colonized with potentially pathogenic E. coli from the environment of hatcheries. The source of contamination has not been quite elucidated and the possibility of vertical spread of several avian pathogenic E. coli (APEC) lineages has been suggested, making the hatcheries an important node where cross-contamination of chicken of different origin can take place. The recent technological progress makes the method of whole-genome sequencing (WGS) widely accessible, allowing high-throughput analysis of a large amount of isolates. Whole-genome sequencing offers an opportunity to trace APEC and extended-spectrum/plasmid-encoded AmpC beta-lactamases-producing E. coli (ESBL/pAmpC-E.coli) along the poultry processing chain and to recognize the potential pathways of “epidemicˮ sequence types. Data from WGS may be used in monitoring antimicrobial resistance, comparative pathogenomic studies describing new virulence traits and their role in pathogenesis and, above all, epidemiologic monitoring of clonal outbreaks and description of different transmission routes and their significance. This review attempts to outline the complexity of poultry-associated E. coli issues and the possibility to employ WGS in elucidating them.
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26
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Rahayuningtyas I, Indrawati A, Wibawan IWT, Palupi MF, Istiyaningsih I. Phylogenetic group determination and plasmid virulence gene profiles of colistin-resistant Escherichia coli originated from the broiler meat supply chain in Bogor, Indonesia. Vet World 2020; 13:1807-1814. [PMID: 33132591 PMCID: PMC7566268 DOI: 10.14202/vetworld.2020.1807-1814] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Accepted: 07/21/2020] [Indexed: 11/23/2022] Open
Abstract
Background and Aim: Pathogenic Escherichia coli contamination along the broiler meat supply chain is a serious public health concern. This bacterial infection with multidrug-resistant can lead to treatment failure. Several studies have revealed that avian pathogenic E. coli (APEC) and human extraintestinal pathogenic E. coli (ExPEC) showed a close genetic relationship and may share virulence genes. This study aimed to determine the phylogenetic group and virulence gene profiles in colistin-resistant E. coli obtained from the broiler meat supply chain in Bogor, West Java, Indonesia. Materials and Methods: Fifty-eight archive isolates originated from the cloacal swab, litter, drinking water, inside plucker swab, fresh meat at small scale poultry slaughterhouses, and traditional markets were used in this study. All the isolates were characterized by a polymerase chain reaction to determine the phylogenetic group (A, B1, B2, or D) and virulence gene profiles with APEC marker genes (iutA, hlyF, iss, iroN, and ompT). Results: Phylogenetic grouping revealed that the isolates belong to A group (34.48%), D group (34.48%), B1 group (17.24%), and B2 group (13.79%). The virulence gene prevalence was as follows: iutA (36%), hlyF (21%), ompT (21%), iroN (10%), and iss (9%). The B2 group presented with more virulence genes combinations. iroN, hlyF, and ompT genes were positively associated with the B2 group (p≤0.05). Conclusion: Our results highlight the role of colistin-resistant E. coli originated from the broiler meat supply chain as a potential reservoir for human ExPEC virulence genes.
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Affiliation(s)
- Irma Rahayuningtyas
- Department of Animal Disease and Veterinary Public Health, Faculty of Veterinary Medicine, IPB University-Bogor, Indonesia.,National Veterinary Drug Assay Laboratory, Directorate General of Livestock and Animal Health, Ministry of Agriculture of the Republic of Indonesia, Indonesia
| | - Agustin Indrawati
- Department of Animal Disease and Veterinary Public Health, Faculty of Veterinary Medicine, IPB University-Bogor, Indonesia
| | - I Wayan Teguh Wibawan
- Department of Animal Disease and Veterinary Public Health, Faculty of Veterinary Medicine, IPB University-Bogor, Indonesia
| | - Maria Fatima Palupi
- National Veterinary Drug Assay Laboratory, Directorate General of Livestock and Animal Health, Ministry of Agriculture of the Republic of Indonesia, Indonesia
| | - Istiyaningsih Istiyaningsih
- National Veterinary Drug Assay Laboratory, Directorate General of Livestock and Animal Health, Ministry of Agriculture of the Republic of Indonesia, Indonesia
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27
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Papouskova A, Masarikova M, Valcek A, Senk D, Cejkova D, Jahodarova E, Cizek A. Genomic analysis of Escherichia coli strains isolated from diseased chicken in the Czech Republic. BMC Vet Res 2020; 16:189. [PMID: 32522212 PMCID: PMC7286222 DOI: 10.1186/s12917-020-02407-2] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 06/02/2020] [Indexed: 01/01/2023] Open
Abstract
Background Avian pathogenic Escherichia coli (APEC) can cause various extraintestinal infections in poultry, resulting in massive economic losses in poultry industry. In addition, some avian E. coli strains may have zoonotic potential, making poultry a possible source of infection for humans. Due to its extreme genetic diversity, this pathotype remains poorly defined. This study aimed to investigate the diversity of colibacillosis-associated E. coli isolates from Central European countries with a focus on the Czech Republic. Results Of 95 clinical isolates subjected to preliminary characterization, 32 were selected for whole-genome sequencing. A multi resistant phenotype was detected in a majority of the sequenced strains with the predominant resistance to β-lactams and quinolones being associated with TEM-type beta-lactamase genes and chromosomal gyrA mutations respectively. The phylogenetic analysis confirmed a great diversity of isolates, that were derived from nearly all phylogenetic groups, with predominace of B2, B1 and C phylogroups. Clusters of closely related isolates within ST23 (phylogroup C) and ST429 (phylogroup B2) indicated a possible local spread of these clones. Besides, the ST429 cluster carried blaCMY-2, − 59 genes for AmpC beta-lactamase and isolates of both clusters were generally well-equipped with virulence-associated genes, with considerable differences in distribution of certain virulence-associated genes between phylogenetically distant lineages. Other important and potentially zoonotic APEC STs were detected, incl. ST117, ST354 and ST95, showing several molecular features typical for human ExPEC. Conclusions The results support the concept of local spread of virulent APEC clones, as well as of zoonotic potential of specific poultry-associated lineages, and highlight the need to investigate the possible source of these pathogenic strains.
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Affiliation(s)
- Aneta Papouskova
- Department of Infectious Diseases and Microbiology, Faculty of Veterinary Medicine, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic. .,Central European Institute of Technology, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic.
| | - Martina Masarikova
- Department of Infectious Diseases and Microbiology, Faculty of Veterinary Medicine, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic.,Central European Institute of Technology, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic
| | - Adam Valcek
- Central European Institute of Technology, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic.,Department of Biology and Wildlife Diseases, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic
| | - David Senk
- Department of Infectious Diseases and Microbiology, Faculty of Veterinary Medicine, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic
| | - Darina Cejkova
- Department of Immunology, Veterinary Research Institute, Brno, Czech Republic
| | - Eva Jahodarova
- Department of Immunology, Veterinary Research Institute, Brno, Czech Republic
| | - Alois Cizek
- Department of Infectious Diseases and Microbiology, Faculty of Veterinary Medicine, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic.,Central European Institute of Technology, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic
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28
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Fuentes-Castillo D, Esposito F, Cardoso B, Dalazen G, Moura Q, Fuga B, Fontana H, Cerdeira L, Dropa M, Rottmann J, González-Acuña D, Catão-Dias JL, Lincopan N. Genomic data reveal international lineages of critical priority Escherichia coli harbouring wide resistome in Andean condors (Vultur gryphus Linnaeus, 1758). Mol Ecol 2020; 29:1919-1935. [PMID: 32335957 DOI: 10.1111/mec.15455] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 04/01/2020] [Accepted: 04/16/2020] [Indexed: 12/18/2022]
Abstract
Critical priority pathogens have globally disseminated beyond clinical settings, thereby threatening wildlife. Andean Condors (Vultur gryphus) are essential for ecosystem health and functioning, but their populations are globally near threatened and declining due to anthropogenic activities. During a microbiological and genomic surveillance study of critical priority antibiotic-resistant pathogens, we identified pandemic lineages of multidrug-resistant extended-spectrum β-lactamase (ESBL)-producing Escherichia coli colonizing Andean Condors admitted at two wildlife rehabilitation centres in South America. Genomic analysis revealed the presence of genes encoding resistance to hospital and healthcare agents among international E. coli clones belonging to sequence types (STs) ST162, ST602, ST1196 and ST1485. In this regard, the resistome included genes conferring resistance to clinically important cephalosporins (i.e., CTX-M-14, CTX-M-55 and CTX-M-65 ESBL genes), heavy metals (arsenic, mercury, lead, cadmium, copper, silver), pesticides (glyphosate) and domestic/hospital disinfectants, suggesting a link with anthropogenic environmental pollution. On the other hand, the presence of virulence factors, including the astA gene associated with outbreak of childhood diarrhoea and extra-intestinal disease in animals, was identified, whereas virulent behaviour was confirmed using the Galleria mellonella infection model. E. coli ST162, ST602, ST1196 and ST1485 have been previously identified in humans and food-producing animals worldwide, indicating that a wide resistome could contribute to rapid adaptation and dissemination of these clones at the human-animal-environment interface. Therefore, these results highlight that Andean Condors have been colonized by critical priority pathogens, becoming potential environmental reservoirs and/or vectors for dissemination of virulent and antimicrobial-resistant bacteria and/or their genes, in associated ecosystems and wildlife.
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Affiliation(s)
- Danny Fuentes-Castillo
- Department of Pathology, School of Veterinary Medicine and Animal Sciences, University of São Paulo, Sao Paulo, Brazil
| | - Fernanda Esposito
- Department of Clinical Analysis, Faculty of Pharmacy, University of São Paulo, Sao Paulo, Brazil
| | - Brenda Cardoso
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, Sao Paulo, Brazil
| | - Gislaine Dalazen
- Department of Pathology, School of Veterinary Medicine and Animal Sciences, University of São Paulo, Sao Paulo, Brazil
| | - Quézia Moura
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, Sao Paulo, Brazil
| | - Bruna Fuga
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, Sao Paulo, Brazil
| | - Herrison Fontana
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, Sao Paulo, Brazil
| | - Louise Cerdeira
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, Sao Paulo, Brazil
| | - Milena Dropa
- School of Public Health, University of São Paulo, Sao Paulo, Brazil
| | | | - Daniel González-Acuña
- Department of Animal Sciences, Faculty of Veterinary Sciences, University of Concepción, Chillán, Chile
| | - José L Catão-Dias
- Department of Pathology, School of Veterinary Medicine and Animal Sciences, University of São Paulo, Sao Paulo, Brazil
| | - Nilton Lincopan
- Department of Clinical Analysis, Faculty of Pharmacy, University of São Paulo, Sao Paulo, Brazil.,Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, Sao Paulo, Brazil
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29
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Meguenni N, Chanteloup N, Tourtereau A, Ahmed CA, Bounar-Kechih S, Schouler C. Virulence and antibiotic resistance profile of avian Escherichia coli strains isolated from colibacillosis lesions in central of Algeria. Vet World 2019; 12:1840-1848. [PMID: 32009764 PMCID: PMC6925048 DOI: 10.14202/vetworld.2019.1840-1848] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Accepted: 10/15/2019] [Indexed: 01/18/2023] Open
Abstract
Background and Aim Avian pathogenic Escherichia coli cause extensive mortality in poultry flocks, leading to extensive economic losses. To date, in Algeria, little information has been available on virulence potential and antibiotics resistance of avian E. coli isolates. Therefore, the aim of this study was the characterization of virulence genes and antibiotic resistance profile of Algerian E. coli strains isolated from diseased broilers. Materials and Methods In this study, 43 avian E. coli strains isolated from chicken colibacillosis lesions at different years were analyzed to determine their contents in 10 virulence factors by polymerase chain reaction, antimicrobial susceptibility to 22 antibiotics belonging to six different chemical classes and genomic diversity by pulsed-field gel electrophoresis (PFGE). Results Mainly E. coli isolates (58.1%) carried two at six virulence genes and the most frequent virulence gene association detected were ompT (protectin), hlyF (hemolysin) with 55.8% (p<0.001), and iroN, sitA (iron acquisition/uptake systems), and iss (protectin) with 41.8% (p<0.001). Some strains were diagnosed as virulent according to their virulence gene profile. Indeed, 23.25% of the isolates harbored iroN, ompT, hlyF, iss, and sitA combination, 14% ompT, hlyF, and frzorf4 (sugar metabolism), and 11,6% iroN, hlyF, ompT, iss, iutA (iron acquisition/uptake systems), and frz orf4. The chicken embryo lethality assay performed on five isolates confirmed the potential virulence of these strains. All isolates submitted to PFGE analysis yielded different genetic profiles, which revealed their diversity. Overall, 97.2% of the isolates were resistant to at least one antibiotic and 53.5% demonstrated multi-antimicrobial resistance to three different antimicrobial classes. The highest resistance levels were against nalidixic acid (83.4%), amoxicillin and ampicillin (83.3%), ticarcillin (80.5%), pipemidic acid (75%), and triméthoprim-sulfamethoxazole (66.6%). For beta-lactam class, the main phenotype observed belonged to broad-spectrum beta-lactamases. However, extended-spectrum beta-lactamase associated with three at six virulence factors was also detected in 13 isolates. Two of them were attested virulent as demonstrated in the embryo lethality test which constitutes a real public threat. Conclusion It would be imperative in avian production to discourage misuse while maintaining constant vigilance guidelines and regulations, to limit and rationalize antimicrobial use.
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Affiliation(s)
- Nacima Meguenni
- Laboratory of Analytic Biochemistry and Biotechnology, Mouloud Mammeri University, Tizi Ouzou 15000, Algeria
| | | | | | - Chafika Ali Ahmed
- Laboratory of Analytic Biochemistry and Biotechnology, Mouloud Mammeri University, Tizi Ouzou 15000, Algeria
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30
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Borges CA, Tarlton NJ, Riley LW. Escherichia coli from Commercial Broiler and Backyard Chickens Share Sequence Types, Antimicrobial Resistance Profiles, and Resistance Genes with Human Extraintestinal Pathogenic Escherichia coli. Foodborne Pathog Dis 2019; 16:813-822. [PMID: 31411497 DOI: 10.1089/fpd.2019.2680] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Escherichia coli recovered from poultry, and extraintestinal pathogenic E. coli (ExPEC), responsible for most cases of urinary tract infection (UTI) and bloodstream infection (BSI) in humans, may share genetic characteristics, suggesting that poultry are a potential source of ExPEC. Here, we compared E. coli isolated from commercial broiler and backyard chickens (n = 111) with ExPEC isolated from patients with community- or hospital-acquired UTI or BSI (n = 149) from Southeast Brazil. Isolates were genotyped by multilocus sequence typing, tested for susceptibility to antimicrobial agents, and screened for β-lactamase genes. We found that 10 genotypes were shared among poultry and human isolates: sequence type (ST) 10, ST48, ST58, ST88, ST90, ST93, ST131, ST602, ST617, and ST1018. Thirty-five (23%) ExPEC and 35 (31%) poultry E. coli isolates belonged to the shared STs. ST58 and ST88 isolates from human and poultry sources shared identical antimicrobial resistance profiles. blaTEM-1 was the most prevalent β-lactamase gene, identified in 65 (92%) of 71 ExPEC and 29 (67%) of 43 poultry E. coli that tested positive for β-lactamase genes. Commercial broiler chicken isolates shared the extended-spectrum β-lactamase (ESBL) genes blaCTX-M-2, blaCTX-M-8, and blaSHV-2 with human isolates; backyard chicken isolates lacked ESBL genes. In conclusion, several genotypic and phenotypic characteristics were shared between human and poultry E. coli; this suggests that there is potential for transmission of E. coli and antimicrobial resistance genes from poultry to humans, perhaps through environmental contamination, direct contact, or consumption. Additional research is needed to understand the potential direction and pathways of transmission.
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Affiliation(s)
- Clarissa A Borges
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, California
| | - Nicole J Tarlton
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, California
| | - Lee W Riley
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, California
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31
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Proanthocyanidin-chitosan composite nanoparticles prevent bacterial invasion and colonization of gut epithelial cells by extra-intestinal pathogenic Escherichia coli. Int J Biol Macromol 2019; 135:630-636. [PMID: 31128185 DOI: 10.1016/j.ijbiomac.2019.04.170] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Revised: 04/24/2019] [Accepted: 04/24/2019] [Indexed: 01/15/2023]
Abstract
Cranberry proanthocyanidin-chitosan composite nanoparticles (PAC-CHT NPs) were formulated using 2:1, 5:1, 10:1, 15:1 20:1, 25:1, and 30:1 PAC to CHT weight ratio to form round shaped particles. The PAC-CHT NPs were characterized by size, polydispersity, surface charge, morphology, and PAC content. PAC-CHT NPs bioactivity was measured by agglutination of extra-intestinal pathogenic Escherichia coli (ExPEC) and inhibition of gut epithelial cell invasion by ExPEC. Results indicate that by increasing the PAC to CHT ratio 10:1 to 30:1 formed stable nanoparticles with diameters of 122.8 to 618.7 nm, a polydispersity index of approximated 0.4 to 0.5, and a zeta potential of 34.5 to 54.4 mV. PAC-CHT NPs ratio 30:1 agglutinated ExPEC and decreased the ability of ExPEC to invade epithelial cells in a dose-dependent manner. PAC-CHT NPs ratio 10:1 to 30:1 form stable, round-shaped, and bioactive nanoparticles for potential applications in the treatment of ExPEC bacterial infections.
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32
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Sarowska J, Futoma-Koloch B, Jama-Kmiecik A, Frej-Madrzak M, Ksiazczyk M, Bugla-Ploskonska G, Choroszy-Krol I. Virulence factors, prevalence and potential transmission of extraintestinal pathogenic Escherichia coli isolated from different sources: recent reports. Gut Pathog 2019; 11:10. [PMID: 30828388 PMCID: PMC6383261 DOI: 10.1186/s13099-019-0290-0] [Citation(s) in RCA: 321] [Impact Index Per Article: 64.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 02/11/2019] [Indexed: 02/07/2023] Open
Abstract
Extraintestinal pathogenic E. coli (ExPEC) are facultative pathogens that are part of the normal human intestinal flora. The ExPEC group includes uropathogenic E. coli (UPEC), neonatal meningitis E. coli (NMEC), sepsis-associated E. coli (SEPEC), and avian pathogenic E. coli (APEC). Virulence factors (VF) related to the pathogenicity of ExPEC are numerous and have a wide range of activities, from those related to bacteria colonization to those related to virulence, including adhesins, toxins, iron acquisition factors, lipopolysaccharides, polysaccharide capsules, and invasins, which are usually encoded on pathogenicity islands (PAIs), plasmids and other mobile genetic elements. Mechanisms underlying the dynamics of ExPEC transmission and the selection of virulent clones are still poorly understood and require further research. The time shift between colonization of ExPEC and the development of infection remains problematic in the context of establishing the relation between consumption of contaminated food and the appearance of first disease symptoms. What appears to be most difficult is to prove that ExPEC strains cause disease symptoms and to examine the mechanism of transition from the asymptomatic colonization of the intestines to the spreading of the bacteria outside the digestive system. A significant problem for researchers who are trying to ascribe ExPEC transmission to food, people or the environment is to draw the distinction between colonization of ExPEC and infection. Food safety is an important challenge for public health both at the production stage and in the course of its processing and distribution. Examination of the genetic similarity of ExPEC strains will allow to determine their origin from different sources. Many levels of genotyping have been proposed in which the typing of strains, plasmids and genes is compared in order to obtain a more complete picture of this complex problem. The aim of our study was to characterize E. coli strains isolated from humans, animals and food for the presence of bacterial genes encoding virulence factors such as toxins, and iron acquisition systems (siderophores) in the context of an increasing spread of ExPEC infections.
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Affiliation(s)
- Jolanta Sarowska
- 1Department of Basic Sciences, Faculty of Health Sciences, Wroclaw Medical University, Chalubinskiego 4, 50-368 Wroclaw, Poland
| | - Bozena Futoma-Koloch
- 2Department of Microbiology, Institute of Genetics and Microbiology, University of Wroclaw, Przybyszewskiego 63/77, 51-148 Wroclaw, Poland
| | - Agnieszka Jama-Kmiecik
- 1Department of Basic Sciences, Faculty of Health Sciences, Wroclaw Medical University, Chalubinskiego 4, 50-368 Wroclaw, Poland
| | - Magdalena Frej-Madrzak
- 1Department of Basic Sciences, Faculty of Health Sciences, Wroclaw Medical University, Chalubinskiego 4, 50-368 Wroclaw, Poland
| | - Marta Ksiazczyk
- 2Department of Microbiology, Institute of Genetics and Microbiology, University of Wroclaw, Przybyszewskiego 63/77, 51-148 Wroclaw, Poland
| | - Gabriela Bugla-Ploskonska
- 2Department of Microbiology, Institute of Genetics and Microbiology, University of Wroclaw, Przybyszewskiego 63/77, 51-148 Wroclaw, Poland
| | - Irena Choroszy-Krol
- 1Department of Basic Sciences, Faculty of Health Sciences, Wroclaw Medical University, Chalubinskiego 4, 50-368 Wroclaw, Poland
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33
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Gioia-Di Chiacchio RM, Cunha MPV, de Sá LRM, Davies YM, Pereira CBP, Martins FH, Munhoz DD, Abe CM, Franzolin MR, Dos Santos LF, Guth BEC, Elias WP, Piazza RMF, Knöbl T. Novel Hybrid of Typical Enteropathogenic Escherichia coli and Shiga-Toxin-Producing E. coli (tEPEC/STEC) Emerging From Pet Birds. Front Microbiol 2018; 9:2975. [PMID: 30574131 PMCID: PMC6291465 DOI: 10.3389/fmicb.2018.02975] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Accepted: 11/19/2018] [Indexed: 12/01/2022] Open
Abstract
Exotic psittacine birds have been implicated as reservoir of diarrheagenic Escherichia coli (E. coli), including enteropathogenic E. coli (EPEC) and Shiga-toxin producing E. coli (STEC). Here, we present a genotypic and phenotypic characterization of typical EPEC/STEC hybrid strains isolated from exotic psittacine birds. The strains were positive for eae, bfpA, and stx2f genes, belong to serotype O137:H6 and ST2678. Two strains were subject to whole genome sequencing, confirming the presence of the virulence factors of both E. coli pathotypes. Phenotypical in vitro tests confirmed their ability to adhere to HeLa cells and cause cytotoxicity to Vero cells. The rabbit ileal loop assays showed the attaching and effacing lesion, in addition to inflammatory process and overproduction of intestinal mucus. This is the first report of hybrid typical EPEC/STEC (O137:H6/ST2678) strains isolated from companion psittacine birds and the results suggest zoonotic risks.
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Affiliation(s)
- Rosely Martins Gioia-Di Chiacchio
- Department of Pathology, School of Veterinary Medicine and Animal Science, São Paulo, Brazil.,School of Veterinary Medicine, Paulista University, São Paulo, Brazil
| | | | | | - Yamê Minieiro Davies
- Department of Pathology, School of Veterinary Medicine and Animal Science, São Paulo, Brazil
| | | | | | | | | | | | | | | | | | | | - Terezinha Knöbl
- Department of Pathology, School of Veterinary Medicine and Animal Science, São Paulo, Brazil
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Kulchavenya E, Cherednichenko A. Urogenital tuberculosis, the cause of ineffective antibacterial therapy for urinary tract infections. Ther Adv Urol 2017; 10:95-101. [PMID: 29662539 DOI: 10.1177/1756287217745772] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 10/25/2017] [Indexed: 01/29/2023] Open
Abstract
Background Urogenital tuberculosis (UGTB) is one of the great imitators; it is commonly masked by urinary tract infections (UTIs). We aimed to estimate how many UGTB patients were among patients with a long history of UTIs. Material and Methods A total of 244 patients with recurrent UTIs and suspected UGTB were enrolled in an open, noncomparative prospective study. Their urine and expressed prostate secretion or ejaculate were cultured (a total of 1446 samples), and 421 isolates with growth of ⩾104 colony-forming units (CFU)/ml were investigated for drug resistance. Typically, UGTB diagnosis is made by individual case. Results All 244 patients had a long history of recurrent UTIs (on average, 7.9 ± 3.4 years); all received at least five courses of antibacterial therapy without good result. UGTB was diagnosed in 63 (25.8%), and in 41 of these (65.1%), there was comorbidity of UTI and UGTB. Of 1446 samples investigated, 421 (29.1%) were positive, and 1025 were negative. Escherichia coli was found in 57.3% of gram-negative microflora and in 29.0% only among all uropathogens. E. coli was resistant to amoxicillin/clavulanate in 51.5-57.1%, to cefotaxime in 50.0-52.0%, to gentamycin in 33.3-59.5%, to ciprofloxacin in 63.2-66.7%, to levofloxacin in 54.8-45.2%, and to nitrofurantoin in 23.5-20.8% in 2015 and 2016, respectively. If, in 2015, all isolates of E. coli were susceptible to imipenem, in 2016, 7.1% of strains were resistant to this antibiotic. Level of drug-resistance was higher in 2016, excluding only levofloxacin and nitrofurantoin. Conclusions Total prevalence of UGTB among UTI patients with poor results of antibacterial therapy was 25.8%. Comorbidity of UTI and UGTB was diagnosed in 65.1%.
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Affiliation(s)
- Ekaterina Kulchavenya
- Federal State Budgetary Institution 'The Novosibirsk Tuberculosis Research Institute (NTRI)' of the Ministry of Health of the Russian Federation, Novosibirsk Medical University, Russian Federation
| | - Andrey Cherednichenko
- Federal State Budgetary Institution 'The Novosibirsk Tuberculosis Research Institute (NTRI)' of the Ministry of Health of the Russian Federation, Russian Federation
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