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do Valle Barroso M, da Silva JS, Moreira SM, Sabino YNV, Rocha GC, Moreira MAS, Bazzolli DMS, Mantovani HC. Antimicrobial Resistance Profiles of Multidrug-Resistant Enterobacteria Isolated from Feces of Weaned Piglets. Curr Microbiol 2023; 81:40. [PMID: 38103072 DOI: 10.1007/s00284-023-03556-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 11/10/2023] [Indexed: 12/17/2023]
Abstract
Nosocomial infections caused by multidrug-resistant enterobacteria have become a major challenge in global public health. Previous studies have indicated that use of antibiotics in livestock production chains is linked to the rising threat of antibiotic resistance in humans. In this study, we aimed to evaluate the distribution of genes encoding resistance to tetracycline, β-lactams, and colistin in multidrug-resistant enterobacteria isolated from feces of weaned pigs. Ninety-four enterobacteria isolates were submitted to antibiotic susceptibility test by minimum inhibitory concentration (MIC). In addition, we performed conjugation experiments to verify if plasmid-bearing isolates containing the mcr-1 gene could transfer their resistance determinant to a colistin-sensitive recipient strain. Our results demonstrated a positive association between the detection of antibiotic resistance genes in enterobacteria and the phenotypic resistance profiles of the bacterial isolates. At least one of the extended-spectrum β-lactamases (ESBL) genes (blaCTX-M, blaTEM, or bla SHV) and tetA was found among most bacterial genera analyzed. In addition, results revealed that the mcr-1 gene can be transferred from E. coli UFV-627 isolate to an F- recipient (Escherichia coli K12) by conjugation. Our findings support the hypothesis that swine represents an important reservoir of antibiotic resistance genes and suggest that horizontal transfer mechanisms (e.g., conjugation) may mediate the spread of these genes in the swine gastrointestinal tract.
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Affiliation(s)
| | | | | | | | | | | | | | - Hilario C Mantovani
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, MG, Brazil.
- Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI, 53706, USA.
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Zhu Y, Pang L, Lai S, Xie X, Zhang H, Yu J, Wu J, Qi H, Zhou Q, Feng J, Zhang A. Deciphering risks of resistomes and pathogens in intensive laying hen production chain. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 869:161790. [PMID: 36702267 DOI: 10.1016/j.scitotenv.2023.161790] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 01/14/2023] [Accepted: 01/19/2023] [Indexed: 06/18/2023]
Abstract
Antimicrobial resistance (AMR) and pathogens derived from food animals and their associated environments have emerged as challenging threats to humans from a health perspective, but our understanding of these risks and their key prevention and control points in the current intensive breeding industry remains poor. By creating an integral composition and risk profile of the resistome and microbiome through metagenomics in feces, flies, dust, sewage, and soil along the four-stage laying hen production chain, we found that the whole production chain is a hotspot for antimicrobial resistance genes (ARGs) with 374 known subtypes and pathogens, including 157 human pathogenic bacteria (HPB). Feces and flies were identified as major risk sources for these contaminations. Also, we confirmed a twin-risk of AMR and pathogenicity prevailing throughout the chain, but with different frequencies in each stage; thus, high-risk ARGs in the young chicken stage and highly prioritized HPB in the chick stage contributed 37.33 % to the total AMR risk and 36.36 % to the pathogenic risks, respectively, thus rendering the two stages to be the key prevention points. Moreover, the prevalence of 112 binned ARG supercarriers (for example, Klebsiella pneumoniae harboring 20 ARGs) was unraveled along the production chain, especially in feces, flies, and dust, and 87 potential hosts exhibited high pathogenic risk, high-risk AMR, or both, with 262 ARGs and 816 virulence factor genes. Overall, this study provides first-hand comprehensive data on high-risk ARGs and their pathogenic hosts in the intensive laying hen production chain, and thus is fundamentally important for developing new measures to help control the global AMR crisis induced through the animal-environment-human pathway.
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Affiliation(s)
- Yixiao Zhu
- Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province, Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, China
| | - Lina Pang
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Shanming Lai
- Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province, Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, China
| | - Xianjun Xie
- Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province, Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, China
| | - Haoyu Zhang
- Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province, Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, China
| | - Jing Yu
- Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province, Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, China
| | - Jie Wu
- Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province, Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, China
| | - Haoxuan Qi
- Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province, Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, China
| | - Quan Zhou
- Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province, Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, China
| | - Jingyi Feng
- Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province, Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, China
| | - Anyun Zhang
- Animal Disease Prevention and Food Safety Key Laboratory of Sichuan Province, Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, China.
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Murase T, Ozaki H. Relationship between Phylogenetic Groups of Escherichia coli and Pathogenicity Among Isolates from Chickens with Colibacillosis and Healthy Chickens. Poult Sci 2022; 101:102007. [PMID: 35839553 PMCID: PMC9289869 DOI: 10.1016/j.psj.2022.102007] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/30/2022] [Accepted: 06/07/2022] [Indexed: 10/31/2022] Open
Abstract
Avian pathogenic Escherichia coli (APEC) is closely related to extraintestinal pathogenic E. coli, which are frequently assigned to specific phylogenetic groups (phylogroups). Therefore, we investigated the association between phylogroups of E. coli isolates and those recovered from commercial broiler and layer chickens with colibacillosis. We used 104 E. coli isolates from chickens with colibacillosis (hereafter referred to as “colibacillosis-related isolates”), 56 E. coli isolates obtained from fecal samples of clinically healthy broiler chickens, and 58 isolates obtained from environmental samples of layer chicken housing facilities where clinically healthy layer chickens were reared (hereafter referred to as “healthy chicken-related isolates”). The prevalence of phylogroup F among colibacillosis-related isolates was significantly (P < 0.05) higher than that among healthy chicken-related isolates, while phylogroups A and B1 were more frequently distributed in healthy chicken-related isolates. Fifty-seven (87%) of 65 colibacillosis-related isolates belonging to phylogroup F were defined as APEC based on the presence of virulence-associated genes according to a previously established criterion. In contrast, none of the healthy chicken-related isolates were defined as APEC. As evidenced by the chicken embryo lethality assay, 87 of the 92 healthy chicken-related isolates tested had embryo lethality rates of <30% and were considered avirulent, whereas 59 of the 104 colibacillosis-related isolates were considered virulent. Nonetheless, among isolates exhibiting embryo lethality rates of <30%, the mean lethality rate of embryos inoculated with colibacillosis-related isolates was significantly higher than that of embryos inoculated with healthy chicken-related isolates. These observations suggest that phylogroup F predicts colibacillosis among E. coli strains with virulence-associated genes.
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Zhao Y, Cao Z, Cui L, Hu T, Guo K, Zhang F, Wang X, Peng Z, Liu Q, Dai M. Enrofloxacin Promotes Plasmid-Mediated Conjugation Transfer of Fluoroquinolone-Resistance Gene qnrS. Front Microbiol 2022; 12:773664. [PMID: 35250901 PMCID: PMC8889117 DOI: 10.3389/fmicb.2021.773664] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 12/17/2021] [Indexed: 11/13/2022] Open
Abstract
This study aimed to determine the effect of enrofloxacin (ENR) on the transfer of the plasmid-mediated quinolone resistance (PMQR) gene qnrS from opportunistic pathogen Escherichia coli (E2) to Salmonella Enteritidis (SE211) and to analyze the resistance characteristics of SE211-qnrS isolates. The plasmid carrying qnrS gene of E2 was sequenced by Oxford Nanopore technology. The plasmid carrying qnrS gene belonged to incompatibility group IncY. In vitro, the transfer experiment of IncY plasmid was performed by the liquid medium conjugation method. The conjugation transfer frequency of the IncY plasmid was 0.008 ± 0.0006 in the absence of ENR, 0.012 ± 0.003 in 1/32 MICENR, 0.01 ± 0.008 in 1/8 MICENR, and 0.03 ± 0.015 (Mean±SD) in 1/2 MICENR, respectively. After inoculation of E. coli E2 and SE211, chickens were treated with different doses of ENR (3.03, 10, and 50 mg/kg b.w.) for 7 days consecutively. To screen the SE211-qnrS strains from intestinal tract of chickens, the resistance genes and susceptibility of isolates were identified. The amount of E. coli E2 and the copy number of qnrS gene in the chicken intestinal tract were determined by colony counting and qPCR, respectively. In vivo, more SE211-qnrS strains were isolated from the treated group compared with the untreated group. SE211-qnrS strains not only obtained IncY plasmid, but also showed similar resistance phenotype as E2. In conclusion, ENR treatment can promote the spread of a IncY-resistance plasmid carrying the qnrS fluoroquinolone-resistance gene in Escherichia coli and the development of drug-resistant bacteria.
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Affiliation(s)
- Yue Zhao
- The Co-operative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Ministry of Agriculture (MOA) Key Laboratory of Food Safety Evaluation/National Reference Laboratory of Veterinary Drug Residue (HZAU), Huazhong Agricultural University, Wuhan, China
| | - Zhengzheng Cao
- The Co-operative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Ministry of Agriculture (MOA) Key Laboratory of Food Safety Evaluation/National Reference Laboratory of Veterinary Drug Residue (HZAU), Huazhong Agricultural University, Wuhan, China
| | - Luqing Cui
- The Co-operative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Ministry of Agriculture (MOA) Key Laboratory of Food Safety Evaluation/National Reference Laboratory of Veterinary Drug Residue (HZAU), Huazhong Agricultural University, Wuhan, China
| | - Tianyu Hu
- The Co-operative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Ministry of Agriculture (MOA) Key Laboratory of Food Safety Evaluation/National Reference Laboratory of Veterinary Drug Residue (HZAU), Huazhong Agricultural University, Wuhan, China
| | - Kaixuan Guo
- The Co-operative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Ministry of Agriculture (MOA) Key Laboratory of Food Safety Evaluation/National Reference Laboratory of Veterinary Drug Residue (HZAU), Huazhong Agricultural University, Wuhan, China
| | - Fan Zhang
- The Co-operative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Ministry of Agriculture (MOA) Key Laboratory of Food Safety Evaluation/National Reference Laboratory of Veterinary Drug Residue (HZAU), Huazhong Agricultural University, Wuhan, China
| | - Xiangru Wang
- The Co-operative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China
| | - Zhong Peng
- The Co-operative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China
| | - Quan Liu
- The Co-operative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Ministry of Agriculture (MOA) Key Laboratory of Food Safety Evaluation/National Reference Laboratory of Veterinary Drug Residue (HZAU), Huazhong Agricultural University, Wuhan, China
| | - Menghong Dai
- The Co-operative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Ministry of Agriculture (MOA) Key Laboratory of Food Safety Evaluation/National Reference Laboratory of Veterinary Drug Residue (HZAU), Huazhong Agricultural University, Wuhan, China
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Koutsoumanis K, Allende A, Álvarez‐Ordóñez A, Bolton D, Bover‐Cid S, Chemaly M, Davies R, De Cesare A, Herman L, Hilbert F, Lindqvist R, Nauta M, Ru G, Simmons M, Skandamis P, Suffredini E, Argüello H, Berendonk T, Cavaco LM, Gaze W, Schmitt H, Topp E, Guerra B, Liébana E, Stella P, Peixe L. Role played by the environment in the emergence and spread of antimicrobial resistance (AMR) through the food chain. EFSA J 2021; 19:e06651. [PMID: 34178158 PMCID: PMC8210462 DOI: 10.2903/j.efsa.2021.6651] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The role of food-producing environments in the emergence and spread of antimicrobial resistance (AMR) in EU plant-based food production, terrestrial animals (poultry, cattle and pigs) and aquaculture was assessed. Among the various sources and transmission routes identified, fertilisers of faecal origin, irrigation and surface water for plant-based food and water for aquaculture were considered of major importance. For terrestrial animal production, potential sources consist of feed, humans, water, air/dust, soil, wildlife, rodents, arthropods and equipment. Among those, evidence was found for introduction with feed and humans, for the other sources, the importance could not be assessed. Several ARB of highest priority for public health, such as carbapenem or extended-spectrum cephalosporin and/or fluoroquinolone-resistant Enterobacterales (including Salmonella enterica), fluoroquinolone-resistant Campylobacter spp., methicillin-resistant Staphylococcus aureus and glycopeptide-resistant Enterococcus faecium and E. faecalis were identified. Among highest priority ARGs bla CTX -M, bla VIM, bla NDM, bla OXA -48-like, bla OXA -23, mcr, armA, vanA, cfr and optrA were reported. These highest priority bacteria and genes were identified in different sources, at primary and post-harvest level, particularly faeces/manure, soil and water. For all sectors, reducing the occurrence of faecal microbial contamination of fertilisers, water, feed and the production environment and minimising persistence/recycling of ARB within animal production facilities is a priority. Proper implementation of good hygiene practices, biosecurity and food safety management systems is very important. Potential AMR-specific interventions are in the early stages of development. Many data gaps relating to sources and relevance of transmission routes, diversity of ARB and ARGs, effectiveness of mitigation measures were identified. Representative epidemiological and attribution studies on AMR and its effective control in food production environments at EU level, linked to One Health and environmental initiatives, are urgently required.
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Han T, Zhang Q, Liu N, Wang J, Li Y, Huang X, Liu J, Wang J, Qu Z, Qi K. Changes in antibiotic resistance of Escherichia coli during the broiler feeding cycle. Poult Sci 2020; 99:6983-6989. [PMID: 33248614 PMCID: PMC7704736 DOI: 10.1016/j.psj.2020.06.068] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 06/04/2020] [Indexed: 12/04/2022] Open
Abstract
The purpose of this study was to investigate the drug-resistant phenotypes and genes of Escherichia coli in animal, environmental, and human samples before and after antibiotic use at a large-scale broiler farm to understand the respective effects on E. coli resistance during the broiler feeding cycle. The antibiotic use per broiler house was 143.04 to 183.50 mg/kg, and included tilmicosin, florfenicol, apramycin, and neomycin. All strains isolated on the first day the broilers arrived (T1; day 1) were antibiotic-resistant bacteria. E. coli strains isolated from animal samples were resistant to ampicillin, tetracycline, and sulfamethoxazole (100%), and those isolated from environmental samples were resistant to 5 different drugs (74.07%, 20 of 27). E. coli strains isolated on the last day before the broilers left (T2; day 47) had a higher resistance rate to florfenicol (100%, 36 of 36) than at T1 (P < 0.05). Multidrug resistance increased from T1 (84.21%, 32 of 38) to T2 (97.22%, 35 of 36). Most strains were resistant to 5 classes of antibiotics, and 2 strains were resistant to 6 classes of antibiotics. Among 13 identified drug resistance genes, 11 and 13 were detected at T1 and T2, respectively. NDM-1 was detected in 4 environmental samples and 1 animal sample. In conclusion, the use of antibiotics during breeding increases E. coli resistance to antibacterial drugs. Drug-resistant bacteria in animals and the environment proliferate during the feeding cycle, leading to the widespread distribution of drug resistance genes and an increase in the overall resistance of bacteria.
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Affiliation(s)
- Tianfei Han
- Anhui Province Key Laboratory of Veterinary Pathobiology and Disease Control, College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, China; Livestock and Poultry Products Quality & Safety Risk Assessment Laboratory (Qingdao) of Ministry of Agriculture and Rural Affairs, China Animal Health and Epidemiology Center, Qingdao, Shandong, China.
| | - Qingqing Zhang
- Livestock and Poultry Products Quality & Safety Risk Assessment Laboratory (Qingdao) of Ministry of Agriculture and Rural Affairs, China Animal Health and Epidemiology Center, Qingdao, Shandong, China
| | - Na Liu
- Livestock and Poultry Products Quality & Safety Risk Assessment Laboratory (Qingdao) of Ministry of Agriculture and Rural Affairs, China Animal Health and Epidemiology Center, Qingdao, Shandong, China
| | - Juan Wang
- Livestock and Poultry Products Quality & Safety Risk Assessment Laboratory (Qingdao) of Ministry of Agriculture and Rural Affairs, China Animal Health and Epidemiology Center, Qingdao, Shandong, China
| | - Yuehua Li
- Livestock and Poultry Products Quality & Safety Risk Assessment Laboratory (Qingdao) of Ministry of Agriculture and Rural Affairs, China Animal Health and Epidemiology Center, Qingdao, Shandong, China
| | - Xiumei Huang
- Livestock and Poultry Products Quality & Safety Risk Assessment Laboratory (Qingdao) of Ministry of Agriculture and Rural Affairs, China Animal Health and Epidemiology Center, Qingdao, Shandong, China
| | - Junhui Liu
- Livestock and Poultry Products Quality & Safety Risk Assessment Laboratory (Qingdao) of Ministry of Agriculture and Rural Affairs, China Animal Health and Epidemiology Center, Qingdao, Shandong, China
| | - Junwei Wang
- Livestock and Poultry Products Quality & Safety Risk Assessment Laboratory (Qingdao) of Ministry of Agriculture and Rural Affairs, China Animal Health and Epidemiology Center, Qingdao, Shandong, China
| | - Zhina Qu
- Livestock and Poultry Products Quality & Safety Risk Assessment Laboratory (Qingdao) of Ministry of Agriculture and Rural Affairs, China Animal Health and Epidemiology Center, Qingdao, Shandong, China.
| | - Kezong Qi
- Anhui Province Key Laboratory of Veterinary Pathobiology and Disease Control, College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, China
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