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Chen Y, Liu L, Guo Y, Chu J, Wang B, Sui Y, Wei H, Hao H, Huang L, Cheng G. Distribution and genetic characterization of fluoroquinolone resistance gene qnr among Salmonella strains from chicken in China. Microbiol Spectr 2024; 12:e0300023. [PMID: 38411972 PMCID: PMC10986518 DOI: 10.1128/spectrum.03000-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 11/06/2023] [Indexed: 02/28/2024] Open
Abstract
The prevalence and dissemination of the plasmid-mediated fluoroquinolone (FQ) resistance gene qnr in Salmonella are considered serious public health concerns worldwide. So far, no comprehensive large-scale studies have focused on the prevalence and genetic characteristics of the qnr gene in Salmonella isolated from chickens. Herein, this study aimed to investigate the prevalence, antimicrobial resistance (AMR) patterns, and molecular characteristics of chicken-originated qnr-positive Salmonella strains from chicken farms, slaughterhouses, and markets in 12 provinces of China in 2020-2021. The overall prevalence of the qnr gene was 21.13% (56/265), with the highest prevalence in markets (36.11%, 26/72), followed in farms (17.95%, 21/117), and slaughterhouses (10.53%, 9/76). Only the qnrS and qnrB genes were detected, and the prevalence rate of the qnrS gene (19.25%, 51/265) was higher than that of the qnrB gene (1.89%, 5/265). Whole genome sequencing identified 37 distinct AMR genes and 15 plasmid replicons, and the most frequent mutation in quinolone resistance determining regions was parC (T57S; 91.49%, 43/47). Meanwhile, four different qnrS and two qnrB genetic environments were discovered among 47 qnr-positive Salmonella strains. In total, 21.28% (10/47) of the strains were capable of conjugative transfer, and all were qnrS1-positive strains, with the majority of transferable plasmids being IncHI2 types (n = 4). Overall, the prevalence of qnr-positive Salmonella strains from chickens in China and their carriage of multiple resistance and virulence genes and transferable plasmids is a major concern, which calls for continuous surveillance of qnr-positive Salmonella and the development of measures to control its prevalence and transmission.IMPORTANCESalmonella is a common foodborne pathogen responsible for 155,000 deaths annually worldwide. Fluoroquinolones (FQs) are used as first-line drugs for the treatment of Salmonella infections in several countries and regions. However, the emergence and increasing prevalence of the FQ-resistant gene qnr in Salmonella isolated from chickens have been widely reported. Gaining insight into the genetic mechanisms of AMR genes in chicken could lead to the development of preventive measures to control and reduce the risk of drug resistance. In this study, we identified qnr-positive Salmonellae isolated from chickens in different regions of China and their AMR patterns and genome-wide characteristics, providing a theoretical basis for further control of their prevalence and transmission.
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Affiliation(s)
- Yang Chen
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei, China
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Lihui Liu
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei, China
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Yali Guo
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei, China
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Jinhua Chu
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei, China
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Bangjuan Wang
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei, China
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Yuxin Sui
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei, China
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Hanqi Wei
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Haihong Hao
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei, China
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Lingli Huang
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei, China
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Guyue Cheng
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei, China
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei, China
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Marangoni-Ghoreyshi YG, Franca T, Esteves J, Maranni A, Pereira Portes KD, Cena C, Leal CRB. Multi-resistant diarrheagenic Escherichia coli identified by FTIR and machine learning: a feasible strategy to improve the group classification. RSC Adv 2023; 13:24909-24917. [PMID: 37608796 PMCID: PMC10440836 DOI: 10.1039/d3ra03518b] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 08/14/2023] [Indexed: 08/24/2023] Open
Abstract
The identification of multidrug-resistant strains from E. coli species responsible for diarrhea in calves still faces many laboratory limitations and is necessary for adequately monitoring the microorganism spread and control. Then, there is a need to develop a screening tool for bacterial strain identification in microbiology laboratories, which must show easy implementation, fast response, and accurate results. The use of FTIR spectroscopy to identify microorganisms has been successfully demonstrated in the literature, including many bacterial strains; here, we explored the FTIR potential for multi-resistant E. coli identification. First, we applied principal component analysis to observe the group formation tendency; the first results showed no clustering tendency with a messy sample score distribution; then, we improved these results by adequately selecting the main principal components which most contribute to group separation. Finally, using machine learning algorithms, a predicting model showed 75% overall accuracy, demonstrating the method's viability as a screaming test for microorganism identification.
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Affiliation(s)
| | - Thiago Franca
- UFMS - Universidade Federal de Mato Grosso do Sul, Optics and Photonic Lab (SISFOTON-UFMS) Campo Grande MS Brazil
| | - José Esteves
- UFMS - Universidade Federal de Mato Grosso do Sul, Optics and Photonic Lab (SISFOTON-UFMS) Campo Grande MS Brazil
| | - Ana Maranni
- UFMS - Universidade Federal de Mato Grosso do Sul, Optics and Photonic Lab (SISFOTON-UFMS) Campo Grande MS Brazil
| | | | - Cicero Cena
- UFMS - Universidade Federal de Mato Grosso do Sul, Optics and Photonic Lab (SISFOTON-UFMS) Campo Grande MS Brazil
| | - Cassia R B Leal
- UFMS - Universidade Federal de Mato Grosso do Sul, Graduate Program in Veterinary Science (CIVET) Campo Grande MS Brazil
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Romanescu M, Oprean C, Lombrea A, Badescu B, Teodor A, Constantin GD, Andor M, Folescu R, Muntean D, Danciu C, Dalleur O, Batrina SL, Cretu O, Buda VO. Current State of Knowledge Regarding WHO High Priority Pathogens-Resistance Mechanisms and Proposed Solutions through Candidates Such as Essential Oils: A Systematic Review. Int J Mol Sci 2023; 24:ijms24119727. [PMID: 37298678 DOI: 10.3390/ijms24119727] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 05/31/2023] [Accepted: 06/02/2023] [Indexed: 06/12/2023] Open
Abstract
Combating antimicrobial resistance (AMR) is among the 10 global health issues identified by the World Health Organization (WHO) in 2021. While AMR is a naturally occurring process, the inappropriate use of antibiotics in different settings and legislative gaps has led to its rapid progression. As a result, AMR has grown into a serious global menace that impacts not only humans but also animals and, ultimately, the entire environment. Thus, effective prophylactic measures, as well as more potent and non-toxic antimicrobial agents, are pressingly needed. The antimicrobial activity of essential oils (EOs) is supported by consistent research in the field. Although EOs have been used for centuries, they are newcomers when it comes to managing infections in clinical settings; it is mainly because methodological settings are largely non-overlapping and there are insufficient data regarding EOs' in vivo activity and toxicity. This review considers the concept of AMR and its main determinants, the modality by which the issue has been globally addressed and the potential of EOs as alternative or auxiliary therapy. The focus is shifted towards the pathogenesis, mechanism of resistance and activity of several EOs against the six high priority pathogens listed by WHO in 2017, for which new therapeutic solutions are pressingly required.
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Affiliation(s)
- Mirabela Romanescu
- Doctoral School, "Victor Babeş" University of Medicine and Pharmacy, 2 Eftimie Murgu Street, 300041 Timisoara, Romania
- Faculty of Medicine, "Victor Babeş" University of Medicine and Pharmacy, 2 Eftimie Murgu Street, 300041 Timisoara, Romania
| | - Camelia Oprean
- Faculty of Pharmacy, "Victor Babeş" University of Medicine and Pharmacy, 2 Eftimie Murgu Street, 300041 Timisoara, Romania
- OncoGen Centre, County Hospital 'Pius Branzeu', Blvd. Liviu Rebreanu 156, 300723 Timisoara, Romania
| | - Adelina Lombrea
- Doctoral School, "Victor Babeş" University of Medicine and Pharmacy, 2 Eftimie Murgu Street, 300041 Timisoara, Romania
| | - Bianca Badescu
- Doctoral School, "Victor Babeş" University of Medicine and Pharmacy, 2 Eftimie Murgu Street, 300041 Timisoara, Romania
| | - Ana Teodor
- Doctoral School, "Victor Babeş" University of Medicine and Pharmacy, 2 Eftimie Murgu Street, 300041 Timisoara, Romania
| | - George D Constantin
- Doctoral School, "Victor Babeş" University of Medicine and Pharmacy, 2 Eftimie Murgu Street, 300041 Timisoara, Romania
| | - Minodora Andor
- Faculty of Medicine, "Victor Babeş" University of Medicine and Pharmacy, 2 Eftimie Murgu Street, 300041 Timisoara, Romania
| | - Roxana Folescu
- Faculty of Medicine, "Victor Babeş" University of Medicine and Pharmacy, 2 Eftimie Murgu Street, 300041 Timisoara, Romania
| | - Delia Muntean
- Faculty of Medicine, "Victor Babeş" University of Medicine and Pharmacy, 2 Eftimie Murgu Street, 300041 Timisoara, Romania
- Multidisciplinary Research Center on Antimicrobial Resistance, "Victor Babes" University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania
| | - Corina Danciu
- Faculty of Pharmacy, "Victor Babeş" University of Medicine and Pharmacy, 2 Eftimie Murgu Street, 300041 Timisoara, Romania
- Research Center for Pharmaco-Toxicological Evaluation, "Victor Babes" University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania
| | - Olivia Dalleur
- Louvain Drug Research Institute, Université Catholique de Louvain, Avenue Emmanuel Mounier 73, 1200 Brussels, Belgium
| | - Stefan Laurentiu Batrina
- Faculty of Agriculture, University of Life Sciences "King Mihai I" from Timisoara, Calea Aradului 119, 300645 Timisoara, Romania
| | - Octavian Cretu
- Faculty of Medicine, "Victor Babeş" University of Medicine and Pharmacy, 2 Eftimie Murgu Street, 300041 Timisoara, Romania
| | - Valentina Oana Buda
- Faculty of Pharmacy, "Victor Babeş" University of Medicine and Pharmacy, 2 Eftimie Murgu Street, 300041 Timisoara, Romania
- Research Center for Pharmaco-Toxicological Evaluation, "Victor Babes" University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania
- Ineu City Hospital, 2 Republicii Street, 315300 Ineu, Romania
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de Souza ZN, de Moura DF, de Almeida Campos LA, Córdula CR, Cavalcanti IMF. Antibiotic resistance profiles on pathogenic bacteria in the Brazilian environments. Arch Microbiol 2023; 205:185. [PMID: 37043091 DOI: 10.1007/s00203-023-03524-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 03/18/2023] [Accepted: 03/28/2023] [Indexed: 04/13/2023]
Abstract
The present study aimed to elaborate a review of multidrug-resistant (MDR) bacteria in soil, food, aquatic environments, cattle, poultry, and swine farms in Brazil. Initially, the literature database for published papers from 2012 to 2023 was Scientific Electronic Library Online (SciELO), U.S. National Library of Medicine (PubMed), and Google Scholar, through the descriptors: antimicrobial resistance, resistance profile, multidrug resistance, environmental bacteria, and pathogenic bacteria. The studies demonstrated the prevalence of pathogenic and resistant bacteria in environments that favor their rapid dissemination. Bacteria of medical importance, such as Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Listeria monocytogenes, Salmonella spp., Shigella spp., Vibrio spp., were present in samples from animal farms and foods, including cheese and milk, urban aquatic environments, hospital effluents, and shrimp farms. Studies suggested that important bacteria have been disseminated through different niches with easy contact with humans, animals, and food, demonstrating the danger of the emergence of increasingly difficult conditions for treating and controlling these infections. Thus, better understanding and characterizing the resistance profiles of bacteria in these regions, mainly referring to MDR bacteria, can help develop solutions to prevent the progression of this public health problem.
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Affiliation(s)
- Zion Nascimento de Souza
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego, 1235, Cidade Universitária, Recife, PE, 50670-901, Brazil
| | - Danielle Feijó de Moura
- Laboratory of Microbiology and Immunology, Academic Center of Vitória (CAV), Federal University of Pernambuco (UFPE), Rua do Alto do Reservatório s/n, Bela Vista, Vitória de Santo Antão, Pernambuco, 55608-680, Brazil
| | - Luís André de Almeida Campos
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego, 1235, Cidade Universitária, Recife, PE, 50670-901, Brazil
| | - Carolina Ribeiro Córdula
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego, 1235, Cidade Universitária, Recife, PE, 50670-901, Brazil
| | - Isabella Macário Ferro Cavalcanti
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego, 1235, Cidade Universitária, Recife, PE, 50670-901, Brazil.
- Laboratory of Microbiology and Immunology, Academic Center of Vitória (CAV), Federal University of Pernambuco (UFPE), Rua do Alto do Reservatório s/n, Bela Vista, Vitória de Santo Antão, Pernambuco, 55608-680, Brazil.
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5
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Dias TS, Figueira AA, Costa GA, Machado SCA, da Cunha NC, Abreu DLC, Pereira VLA, de Aquino MHC. High frequency of non-susceptibility to ciprofloxacin in nontyphoid Salmonella recovered from Brazilian broiler chicken. Br Poult Sci 2023; 64:137-141. [PMID: 36129037 DOI: 10.1080/00071668.2022.2126931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
1. This study evaluated the minimal inhibitory concentration (MIC) of ciprofloxacin and the presence of plasmid-mediated quinolone resistance (PMQR) mechanisms in 97 nontyphoidal Salmonella spp. isolated from broilers and carcases from three different regions in Brazil. The presence of mutations in quinolone resistance determination regions (QRDRS) was investigated in the ciprofloxacin-resistant strain by DNA sequencing.2. Most of the Salmonella spp. (85.6%) had intermediate resistance to ciprofloxacin and only one isolate was resistant. MIC breakpoints ranged from ≤0.03 to 1 µg/ml and 67.0% of the strains had a MIC of 0.25 µg/ml (n=65). Thirteen strains (13.4%) were susceptible to ciprofloxacin with MIC ≤0.06 µg/ml. The qnrB gene was detected in eight isolates with intermediate resistance and in two susceptible strains. The other PMQR genes, qnrA, qnrC, qnrD, qnrS, qnrVC, aac(6')-Ib, qepA, oqxAB and mutations in QRDR were not detected in any strain.3. There was a high frequency of ciprofloxacin intermediate resistant Salmonella from broiler and broiler carcases from Brazil. The presence of these strains in poultry and derived products poses a risk to public health.
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Affiliation(s)
- T S Dias
- Postgraduate Program in Veterinary Medicine (Veterinary Hygiene and Processing Technology of Animal Products), Faculdade de Veterinária, Universidade Federal Fluminense, Niteroi, Brazil
| | - A A Figueira
- Postgraduate Program in Veterinary Medicine (Veterinary Hygiene and Processing Technology of Animal Products), Faculdade de Veterinária, Universidade Federal Fluminense, Niteroi, Brazil
| | - G A Costa
- Postgraduate Program in Veterinary Medicine (Veterinary Hygiene and Processing Technology of Animal Products), Faculdade de Veterinária, Universidade Federal Fluminense, Niteroi, Brazil
| | - S C A Machado
- Department of Preventive Veterinary Medicine, Faculdade de Veterinária, Universidade Federal Fluminense, Niteroi, Brazil
| | - N C da Cunha
- Department of Preventive Veterinary Medicine, Faculdade de Veterinária, Universidade Federal Fluminense, Niteroi, Brazil
| | - D L C Abreu
- Postgraduate Program in Veterinary Medicine (Veterinary Hygiene and Processing Technology of Animal Products), Faculdade de Veterinária, Universidade Federal Fluminense, Niteroi, Brazil
- Department of Preventive Veterinary Medicine, Faculdade de Veterinária, Universidade Federal Fluminense, Niteroi, Brazil
| | - V L A Pereira
- Postgraduate Program in Veterinary Medicine (Veterinary Hygiene and Processing Technology of Animal Products), Faculdade de Veterinária, Universidade Federal Fluminense, Niteroi, Brazil
- Department of Preventive Veterinary Medicine, Faculdade de Veterinária, Universidade Federal Fluminense, Niteroi, Brazil
| | - M H C de Aquino
- Postgraduate Program in Veterinary Medicine (Veterinary Hygiene and Processing Technology of Animal Products), Faculdade de Veterinária, Universidade Federal Fluminense, Niteroi, Brazil
- Department of Preventive Veterinary Medicine, Faculdade de Veterinária, Universidade Federal Fluminense, Niteroi, Brazil
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Abdalhamed AM, Ghazy AA, Ibrahim ES, Arafa AA, Zeedan GSG. Therapeutic effect of biosynthetic gold nanoparticles on multidrug-resistant Escherichia coli and Salmonella species isolated from ruminants. Vet World 2021; 14:3200-3210. [PMID: 35153413 PMCID: PMC8829404 DOI: 10.14202/vetworld.2021.3200-3210] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 11/22/2021] [Indexed: 12/31/2022] Open
Abstract
Background and Aim: Multidrug-resistant (MDR) pathogenic microorganisms have become a global problem in ruminants as a result of the intensive use of antibiotics, causing the development of resistance among gut microbiota. The antibiotic-resistant microorganisms can be transferred from diseased animals to humans. This study aimed to determine the prevalence of MDR Escherichia coli and Salmonella spp. isolated from cattle, buffaloes, sheep, and goats suffering from respiratory signs, diarrhea, and mastitis and to screen the antibiotic sensitivity of selected isolated bacteria. It also detected antibiotic-resistance genes by polymerase chain reaction (PCR), produced green gold nanoparticles (AuNPs) using plant extracts (Artemisia herba-alba and Morus alba), and evaluated the antimicrobial activities of these biosynthesized nanoparticles on selected pathogens (E. coli and Salmonella spp.). Materials and Methods: MDR E. coli and Salmonella spp. were investigated using fecal samples (n=408), nasal swabs (n=358), and milk samples (n=227) of cattle, buffaloes, sheep, and goats with or without clinical signs, including respiratory manifestations, pneumonia, diarrhea, and mastitis, from different governorates in Egypt. E. coli and Salmonella spp. were isolated and identified on selective media, which were confirmed by biochemical reactions and PCR. Antimicrobial susceptibility testing against 10 commonly used antibiotics was performed using the Kirby-Bauer disk diffusion method. Antibiotic resistance genes blaTEM, blaSHV, blaOXA, and blaCTX−M were detected by PCR. The antibacterial effect of the biosynthesized AuNPs was evaluated by MIC and well diffusion assay. The biosynthesized AuNPs were also characterized by ultraviolet-visible spectrophotometry and transmission electron microscopy (TEM). Results: Among all fecal samples, the prevalence of E. coli was 18.4% (183/993) and that of Salmonella spp. was 16.7% (66/408), as determined by cultural and molecular tests. All isolates of E. coli and Salmonella spp. were 100% resistant to ampicillin (AM) and amoxicillin and highly resistant to cefoxitin and AM-sulbactam. The total rate of resistance genes in E. coli was 61.2% (112/183), while that in Salmonella was 63.6% (42/66) for pathogens isolated from ruminants with respiratory manifestations, pneumonia, diarrhea, and mastitis. Among the resistance genes, blaTEM had the highest prevalence rate in E. coli (25.9%, 21/81) while blaSHV had the lowest (9.8%, 8/81) in fecal swabs. AuNPs were successfully synthesized using aqueous leaf extract of A. herba-alba and M. alba as bioreducing agents. TEM analysis showed particle size of 10-42 nm for A. herba-alba and M. alba AuNPs. The biosynthesized AuNPs showed antibacterial activity against MDR E. coli and Salmonella spp. Conclusion: Rapid and accurate diagnostic methods are the cornerstone for effective treatment to reduce the risk of antimicrobial-resistant pathogenic microorganisms. This is particularly important for overcoming the increasing rate of MDR in ruminants with respiratory manifestations, pneumonia, diarrhea, and mastitis. This can be complemented by the development of AuNPs synthesized in an environmentally friendly manner AuNPs using natural plant extracts for the treatment of antibiotic-resistant microorganisms.
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Affiliation(s)
- Abeer M. Abdalhamed
- Department of Parasitology and Animal Diseases, National Research Centre, Dokki, Egypt
| | - Alaa A. Ghazy
- Department of Parasitology and Animal Diseases, National Research Centre, Dokki, Egypt
| | - Eman S. Ibrahim
- Department of Microbiology and Immunology, National Research Centre, Dokki, Egypt
| | - Amany A. Arafa
- Department of Microbiology and Immunology, National Research Centre, Dokki, Egypt
| | - Gamil S. G. Zeedan
- Department of Parasitology and Animal Diseases, National Research Centre, Dokki, Egypt
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Chonsin K, Changkwanyeun R, Siriphap A, Intarapuk A, Prapasawat W, Changkaew K, Pulsrikarn C, Isoda N, Nakajima C, Suzuki Y, Suthienkul O. Prevalence and Multidrug Resistance of Salmonella in Swine Production Chain in a Central Province, Thailand. J Food Prot 2021; 84:2174-2184. [PMID: 34410408 DOI: 10.4315/jfp-21-003] [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: 01/04/2021] [Accepted: 08/13/2021] [Indexed: 11/11/2022]
Abstract
ABSTRACT Salmonella causes foodborne disease outbreaks worldwide and raises concerns about public health and economic losses. To determine prevalence, serovar, antimicrobial resistance patterns, and the presence of extended-spectrum β-lactamase (ESBL) genes in a cross-sectional study, 418 total samples from feces and carcasses (from three slaughterhouses) and pork and cutting boards (from four markets) were collected in a central Thailand province in 2017 and 2018. Of the 418 samples, 272 (65.1%) were positive for Salmonella. The prevalence of Salmonella-positive samples from markets (158 of 178; 88.8%) was significantly higher than that among samples from slaughterhouses (114 of 240; 47.5%) (P < 0.05). A total of 1,030 isolates were identified; 409 were assigned to 45 serovars, with Salmonella Rissen the most common (82 of 409; 20%). Two serovars, Salmonella Cannstatt and Salmonella Braubach, were identified for the first time in Thailand in market and slaughterhouse samples, respectively. Among 180 isolates representing 19 serovars, 133 (73.9%) exhibited multidrug resistance. Screening for ESBL production revealed that 41 (10.3%) of 399 isolates were ESBL positive. The prevalence of ESBL-producing Salmonella isolates was significantly higher among the market isolates (31 of 41; 75.6%) than among the slaughterhouse isolates in (10 of 41; 24.4%) (P < 0.05). In market samples, 24 (77.4%) of 31 isolates were recovered from pork and 7 (22.6%) were recovered from cutting boards. Nine ESBL-producing isolates carried single ESBL genes, either blaTEM (4 of 41 isolates; 9.8%) or blaCTX-M (5 of 41 isolates; 12.2%), whereas 11 (26.8%) carried both blaTEM and blaCTX-M. No ESBL-producing Salmonella isolate carried the blaSHV gene. These results suggest that pigs, their flesh, and cutting boards used for processing pork could be reservoirs for widespread ESBL-producing Salmonella isolates with multidrug resistance and outbreak potential across the food chain. HIGHLIGHTS
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Affiliation(s)
- Kaknokrat Chonsin
- Faculty of Science and Technology, Suratthani Rajabhat University, Surat Thani 84100, Thailand
| | | | - Achiraya Siriphap
- Department of Microbiology and Parasitology, School of Medical Sciences, University of Phayao, Phayao 56000 Thailand
| | - Apiradee Intarapuk
- Department of Clinic, Faculty of Veterinary Medicine, Mahanakorn University of Technology, Bangkok 10530, Thailand
| | - Watsawan Prapasawat
- Department of Clinic, Faculty of Veterinary Medicine, Mahanakorn University of Technology, Bangkok 10530, Thailand
| | - Kanjana Changkaew
- Faculty of Public Health, Thammasart University, Pathum Thani 12121, Thailand
| | - Chaiwat Pulsrikarn
- National Institute of Health, Department of Medical Science, Ministry of Public Health, Nonthaburi 11000, Thailand
| | - Norikazu Isoda
- International Collaboration Unit, Hokkaido University International Institute for Zoonosis Control, Sapporo, Hokkaido 060-0808, Japan
| | - Chie Nakajima
- International Collaboration Unit, Hokkaido University International Institute for Zoonosis Control, Sapporo, Hokkaido 060-0808, Japan.,Division of Bioresources, Hokkaido University International Institute for Zoonosis Control, Sapporo, Hokkaido 001-0020, Japan
| | - Yasuhiko Suzuki
- International Collaboration Unit, Hokkaido University International Institute for Zoonosis Control, Sapporo, Hokkaido 060-0808, Japan.,Division of Bioresources, Hokkaido University International Institute for Zoonosis Control, Sapporo, Hokkaido 001-0020, Japan
| | - Orasa Suthienkul
- Faculty of Public Health, Thammasart University, Pathum Thani 12121, Thailand.,Faculty of Public Health, Mahidol University, Bangkok 10400, Thailand
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Herrera-Sánchez MP, Castro-Vargas RE, Fandiño-de-Rubio LC, Rodríguez-Hernández R, Rondón-Barragán IS. Molecular identification of fluoroquinolone resistance in Salmonella spp. isolated from broiler farms and human samples obtained from two regions in Colombia. Vet World 2021; 14:1767-1773. [PMID: 34475696 PMCID: PMC8404129 DOI: 10.14202/vetworld.2021.1767-1773] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 05/24/2021] [Indexed: 11/30/2022] Open
Abstract
Background and Aim: Salmonella is one of the most common foodborne pathogens, the emergence of antibiotic-resistant strains of which is increasing. The aim of this study was to phenotypically and genotypically characterize the fluoroquinolone resistance of Salmonella isolates from broiler and humans in two regions of Colombia. Materials and Methods: Salmonella strains (n=49) were evaluated. The phenotype of antibiotic resistance was assessed by an automated method and agar diffusion method, as well as the presence of the quinolone resistance genes qnrA, qnrB, qnrC, qnrD, qnrS, and aac(6’)-Ib as determined by polymerase chain reaction. Results: Strains were resistant to ciprofloxacin (75%), levofloxacin (57.1%), and enrofloxacin (38.8%). Molecular identification showed that 24 out of 49 strains possessed the qnrB gene (48.9%), while only one isolate from the Santander region possessed the aac(6’)-Ib gene. Regarding Class 1 integron, it was present in 11 out of the 49 strains (22.44%). Conclusion: This study reports the presence of the gene qnrB as well the presence of Class 1 integrons in broiler Salmonella isolates, which may contribute to the resistance to fluoroquinolones.
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Affiliation(s)
- María Paula Herrera-Sánchez
- Research Group in Immunobiology and Pathogenesis, Laboratory of Immunology and Molecular Biology, Faculty of Veterinary Medicine and Zootechnics, University of Tolima, Santa Helena Highs, Ibagué 730006299, Tolima, Colombia
| | - Rafael Enrique Castro-Vargas
- Research Group in Immunobiology and Pathogenesis, Laboratory of Immunology and Molecular Biology, Faculty of Veterinary Medicine and Zootechnics, University of Tolima, Santa Helena Highs, Ibagué 730006299, Tolima, Colombia.,Poultry Research Group, Laboratory of Immunology and Molecular Biology, Faculty of Veterinary Medicine and Zootechnics, University of Tolima, Santa Helena Highs, Ibagué 730006299, Tolima, Colombia
| | - Luz Clemencia Fandiño-de-Rubio
- Poultry Research Group, Laboratory of Immunology and Molecular Biology, Faculty of Veterinary Medicine and Zootechnics, University of Tolima, Santa Helena Highs, Ibagué 730006299, Tolima, Colombia
| | - Roy Rodríguez-Hernández
- Poultry Research Group, Laboratory of Immunology and Molecular Biology, Faculty of Veterinary Medicine and Zootechnics, University of Tolima, Santa Helena Highs, Ibagué 730006299, Tolima, Colombia
| | - Iang Schroniltgen Rondón-Barragán
- Research Group in Immunobiology and Pathogenesis, Laboratory of Immunology and Molecular Biology, Faculty of Veterinary Medicine and Zootechnics, University of Tolima, Santa Helena Highs, Ibagué 730006299, Tolima, Colombia.,Poultry Research Group, Laboratory of Immunology and Molecular Biology, Faculty of Veterinary Medicine and Zootechnics, University of Tolima, Santa Helena Highs, Ibagué 730006299, Tolima, Colombia
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9
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Delgado-Suárez EJ, Palós-Guitérrez T, Ruíz-López FA, Hernández Pérez CF, Ballesteros-Nova NE, Soberanis-Ramos O, Méndez-Medina RD, Allard MW, Rubio-Lozano MS. Genomic surveillance of antimicrobial resistance shows cattle and poultry are a moderate source of multi-drug resistant non-typhoidal Salmonella in Mexico. PLoS One 2021; 16:e0243681. [PMID: 33951039 PMCID: PMC8099073 DOI: 10.1371/journal.pone.0243681] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 04/15/2021] [Indexed: 12/22/2022] Open
Abstract
Multi-drug resistant (MDR) non-typhoidal Salmonella (NTS) is a public health concern globally. This study reports the phenotypic and genotypic antimicrobial resistance (AMR) profiles of NTS isolates from bovine lymph nodes (n = 48) and ground beef (n = 29). Furthermore, we compared genotypic AMR data of our isolates with those of publicly available NTS genomes from Mexico (n = 2400). The probability of finding MDR isolates was higher in ground beef than in lymph nodes:χ2 = 12.0, P = 0.0005. The most common resistant phenotypes involved tetracycline (40.3%), carbenicillin (26.0%), amoxicillin-clavulanic acid (20.8%), chloramphenicol (19.5%) and trimethoprim-sulfamethoxazole (16.9%), while more than 55% of the isolates showed decreased susceptibility to ciprofloxacin and 26% were MDR. Conversely, resistance to cephalosporins and carbapenems was infrequent (0-9%). MDR phenotypes were strongly associated with NTS serovar (χ2 = 24.5, P<0.0001), with Typhimurium accounting for 40% of MDR strains. Most of these (9/10), carried Salmonella genomic island 1, which harbors a class-1 integron with multiple AMR genes (aadA2, blaCARB-2, floR, sul1, tetG) that confer a penta-resistant phenotype. MDR phenotypes were also associated with mutations in the ramR gene (χ2 = 17.7, P<0.0001). Among public NTS isolates from Mexico, those from cattle and poultry had the highest proportion of MDR genotypes. Our results suggest that attaining significant improvements in AMR meat safety requires the identification and removal (or treatment) of product harboring MDR NTS, instead of screening for Salmonella spp. or for isolates showing resistance to individual antibiotics. In that sense, massive integration of whole genome sequencing (WGS) technologies in AMR surveillance provides the shortest path to accomplish these goals.
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Affiliation(s)
| | - Tania Palós-Guitérrez
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Ciudad de México, México
| | | | - Cindy Fabiola Hernández Pérez
- Centro Nacional de Referencia de Plaguicidas y Contaminantes, Dirección General de Inocuidad Agroalimentaria, Acuícola y Pesquera, Servicio Nacional de Sanidad, Inocuidad y Calidad Agroalimentaria, Estado de México, México
| | | | - Orbelín Soberanis-Ramos
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Rubén Danilo Méndez-Medina
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Marc W. Allard
- Division of Microbiology, Office of Regulatory Science, Center for Food Safety and Applied Nutrition, U. S. Food and Drug Administration, College Park, Maryland, United States of America
| | - María Salud Rubio-Lozano
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Ciudad de México, México
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10
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Estevez MB, Casaux ML, Fraga M, Faccio R, Alborés S. Biogenic Silver Nanoparticles as a Strategy in the Fight Against Multi-Resistant Salmonella enterica Isolated From Dairy Calves. Front Bioeng Biotechnol 2021; 9:644014. [PMID: 33981689 PMCID: PMC8107374 DOI: 10.3389/fbioe.2021.644014] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Accepted: 03/31/2021] [Indexed: 12/03/2022] Open
Abstract
Infectious diseases are one of the most important health problems worldwide, one of the main causes being the development of multi-resistant microorganisms. Likewise, the zoonotic potential of some pathogens and their ability to transfer resistance mechanisms, reduce the therapeutic options in both humans and animals. Salmonella enterica is an important pathogen that affects a wide range of animal species and humans, being Salmonella Typhimurium one of the most frequent serotypes affecting cattle, causing enteritis, diarrhea, and septicemia. The search for alternative therapeutic approaches has gained importance since the emergence of multidrug resistance to antibiotics and periodic outbreaks of salmonellosis. In this sense, the discovery of new drugs and the development of new strategies, such as the use of nanoparticles with antimicrobial activity, are very promising. The aim of this work was the extracellular production of biogenic silver nanoparticles using fungal extracts and the evaluation of their antimicrobial activity against resistant and multi-resistant Salmonella Typhimurium strains. We here demonstrated the potential of the biogenic nanoparticles as effective bacteriostatic and bactericidal agents for use in biomedical applications. In addition, Confocal Raman Microscopy and Atomic Force Microscopy were used to advance the understanding of the antimicrobial mechanism of biogenic nanoparticles against these pathogenic strains, the results of which suggested that the nanoparticles produced damage in several bacterial cell structures.
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Affiliation(s)
- María Belén Estevez
- Área de Microbiología, Departamento de Biociencias, Facultad de Química, Universidad de la República, Montevideo, Uruguay.,Posgrado en Química, Facultad de Química, Universidad de la República, Montevideo, Uruguay
| | - María Laura Casaux
- Plataforma de Investigación en Salud Animal, Estación Experimental INIA La Estanzuela, Instituto Nacional de Investigación Agropecuaria, Colonia, Uruguay
| | - Martín Fraga
- Plataforma de Investigación en Salud Animal, Estación Experimental INIA La Estanzuela, Instituto Nacional de Investigación Agropecuaria, Colonia, Uruguay
| | - Ricardo Faccio
- Departamento de Experimentación y Teoría de la Estructura de la Materia y sus Aplicaciones (DETEMA), Facultad de Química, Centro NanoMat and Grupo Física, Universidad de la República, Montevideo, Uruguay
| | - Silvana Alborés
- Área de Microbiología, Departamento de Biociencias, Facultad de Química, Universidad de la República, Montevideo, Uruguay
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11
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Abbasi E, Ghaznavi-Rad E. Quinolone resistant Salmonella species isolated from pediatric patients with diarrhea in central Iran. BMC Gastroenterol 2021; 21:140. [PMID: 33784974 PMCID: PMC8010990 DOI: 10.1186/s12876-021-01719-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 03/15/2021] [Indexed: 11/10/2022] Open
Abstract
Background This study aimed to investigate the frequency and the antibiotic resistance patterns of Salmonella species that were isolated from infectious diarrhea samples taken from pediatric patients in central Iran. Methods The study analyzed 230 stool specimens that were cultured on XLD, MacConkey agar and GN broth. Polymerase chain reaction (PCR) assay was used to identify the Salmonella genus. The antibiotic resistance profiles and the frequency of quinolone and integron genes were obtained. Results Out of 230 samples of infectious diarrhea, 21 (9.1%) cases of Salmonella spp. were identified using culture methods. Another 28 (12.1%) samples had positive PCR results, with S. serovar Paratyphi B and C (9/21; 42.8%) and S. Typhi (3/21; 14.3%) being the most recognized. The highest antibiotic resistance rates were found for nalidixic acid (15/21; 71.4%), tetracycline (9/21; 42.8%). However, six (28.5%) of isolates were found resistant to cotrimoxazole, ampicillin and chloramphenicol. Among the plasmid-mediated quinolone resistance (PMQR) determinants, qnrS, qnrA, and qnrB were positive in (9/15; 60%), (6/15; 40%) and (3/15; 20%) of the isolates, respectively. Class 1 and 2 integrons were identified in 15 (71.4%) and 3 (14.3%) isolates, respectively. Conclusion High rates of quinolone resistant and low frequency of MDR Salmonella spp. isolates were identified in central Iran, similar to findings in other parts of Asia. To prevent the spread of these resistant strains, the antimicrobial resistance of Salmonella spp. isolates should be under constant surveillance, and empiric antibiotic therapy should be adapted appropriately.
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Affiliation(s)
- Elnaz Abbasi
- Department of Microbiology and Immunology, Faculty of Medicine, Arak University of Medical Sciences, Arak, Islamic Republic of Iran
| | - Ehsanollah Ghaznavi-Rad
- Department of Microbiology and Immunology, Faculty of Medicine, Arak University of Medical Sciences, Arak, Islamic Republic of Iran. .,Molecular and Medicine Research Center, Faculty of Medicine, Arak University of Medical Sciences, Arak, Islamic Republic of Iran. .,Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Arak University of Medical Sciences, Arak, Iran.
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12
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Yang C, Chen K, Chan EWC, Yao W, Chen S. Transmission of Chromosomal MDR DNA Fragment Encoding Ciprofloxacin Resistance by a Conjugative Helper Plasmid in Salmonella. Front Microbiol 2020; 11:556227. [PMID: 33072017 PMCID: PMC7530939 DOI: 10.3389/fmicb.2020.556227] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 08/19/2020] [Indexed: 11/13/2022] Open
Abstract
Resistance to ciprofloxacin, a treatment choice for Salmonella infections, has increased dramatically in recent years in particular in serotype Salmonella Derby with most of strains carrying chromosome-encoded multiple plasmid-mediated quinolone resistance (PMQR) genes. In this work, we discovered a conjugative plasmid, pSa64-96kb, in a Salmonella Derby isolate, namely Sa64, which could extract and fuse to a multiple drug resistance (MDR) DNA fragment containing two PMQR genes, aac(6')-Ib-cr, and qnrS2 located on the chromosome of the Salmonella strain. This process led to the formation of a new 188 kb fusion plasmid, which could be then subsequently transmitted to recipient strain Escherichia coli J53. The chromosomal MDR DNA fragment was shown to be flanked by one copy of IS26 element at each end and could be excised from the chromosome to form circular intermediate, which was then fused to pSa64-96kb and form a single plasmid through IS26 mediated homologous recombination. The role of IS26 on enhancing the efficacy of fusion and transmission of this chromosomal MDR DNA fragment was further proven in other Salmonella strains. These findings showed that dynamic interaction between specific chromosomal fragment and plasmids may significantly enhance resistance development and transferability of mobile resistance-encoding elements among bacterial pathogens.
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Affiliation(s)
- Chen Yang
- College of Animal Science & Technology, Nanjing Agricultural University, Nanjing, China.,Shenzhen Key Lab for Food Biological Safety Control, Food Safety and Technology Research Center, Hong Kong PolyU Shenzhen Research Institute, Shenzhen, China
| | - Kaichao Chen
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong
| | - Edward Wai-Chi Chan
- State Key Lab of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Wen Yao
- College of Animal Science & Technology, Nanjing Agricultural University, Nanjing, China
| | - Sheng Chen
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong
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13
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Highly clonal relationship among Salmonella Enteritidis isolates in a commercial chicken production chain, Brazil. Braz J Microbiol 2020; 51:2049-2056. [PMID: 32895889 DOI: 10.1007/s42770-020-00372-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 08/29/2020] [Indexed: 12/13/2022] Open
Abstract
In this study, we described the comparison among pulsed-field gel electrophoresis (PFGE), random amplified polymorphic DNA (RAPD), ribotyping, and PCR-ribotyping methods for subtyping Salmonella Enteritidis isolated from an industrial chicken production chain. One hundred and eight S. Enteritidis were isolated at all stages of poultry meat processing plant. These isolates were pheno- and genotypically characterized by using antimicrobial susceptibility test, phage typing, RAPD, PFGE, ribotyping, and PCR-ribotyping. The highest antibiotic resistance rates were observed for enrofloxacin (18.5%) followed by furazolidone (15.7%), cefoxitin (1.8%), ciprofloxacin, and ampicillin with 0.9% each one, while seven isolates (6.4%) were pan-susceptible. Most strains belonged to the globally disseminated phage type PT4 (n = 74; 69.2%). Additionally, we identified strains belonging to phage types PT1 (n = 19; 17.8%) and PT7a (n = 14; 13.1%). Moreover, our results showed that these four molecular methods indicate similar results showing high similarity (≥ 90%) among S. Enteritidis strains, suggesting that these isolates appear to be from a common ancestor being spread at all stages of the poultry production chain. In summary, the combined molecular approaches of these methods remain a suitable alternative to efficiently subtyping S. Enteritidis in the absence of high-resolution genotyping methods and these results may serve as a baseline study for development of mitigation strategies.
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14
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Soares FB, Camargo CH, Cunha MPV, de Almeida EA, Bertani AMDJ, Carvalho ED, de Paiva JB, Fernandes SA, Tiba-Casas MR. Co-occurrence of qnrE1 and blaCTX-M-8 in IncM1 transferable plasmids contributing to MDR in different Salmonella serotypes. J Antimicrob Chemother 2020; 74:1155-1156. [PMID: 30541085 DOI: 10.1093/jac/dky516] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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15
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Rodrigues GL, Panzenhagen P, Ferrari RG, Paschoalin VMF, Conte-Junior CA. Antimicrobial Resistance in Nontyphoidal Salmonella Isolates from Human and Swine Sources in Brazil: A Systematic Review of the Past Three Decades. Microb Drug Resist 2020; 26:1260-1270. [PMID: 32412862 DOI: 10.1089/mdr.2019.0475] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Salmonella is the leading cause of foodborne illnesses worldwide. The widespread use of antimicrobials as prophylactic, therapeutic, and growth promoters in both livestock and human medicine has resulted in selective pressure regarding antimicrobial-resistant (AMR) bacteria. This systematic review summarizes phenotypic antimicrobial resistance profiles in Salmonella isolates from human and swine sources between 1990 and 2018 in Brazil. The 20 studies that matched the eligibility criteria-isolates from pigs and humans from Brazil, between 1990 and 2016, containing information on the number of Salmonella isolates, and applying the disk diffusion susceptibility method-were included. During the assessed period, Salmonella strains isolated from swine sources displayed the highest resistance rates for tetracycline (20.3%) and sulfonamides (17.4%). In contrast, human isolates displayed the highest resistance rates against ampicillin (19.8%) and tetracycline (17%). Salmonella Typhimurium was the most frequent AMR isolate from both swine and human sources, corresponding to 67% of all isolates. From 2001 to 2005, tetracycline and ampicillin were the top antimicrobial resistance compounds, and the most frequently detected in swine and human sources, respectively. A total of 63 and 58 multiple drug resistance profiles were identified in swine and human isolates, respectively. Antimicrobial resistance has decreased throughout the 1990-2016 period, except for gentamicin and nalidixic acid in swine and human isolates, respectively. The results indicate that Salmonella isolated from human and swine display resistance against clinically important antimicrobials, indicating that swine are possibly one of the main vectors for spreading human salmonellosis in Brazil.
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Affiliation(s)
- Grazielle Lima Rodrigues
- Institute of Chemistry, Federal University of Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil.,Center for Food Analysis, Technological Development Support Laboratory (LADETEC), Cidade Universitária, Rio de Janeiro, Brazil
| | - Pedro Panzenhagen
- Institute of Chemistry, Federal University of Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil.,Center for Food Analysis, Technological Development Support Laboratory (LADETEC), Cidade Universitária, Rio de Janeiro, Brazil
| | - Rafaela Gomes Ferrari
- Institute of Chemistry, Federal University of Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil.,Center for Food Analysis, Technological Development Support Laboratory (LADETEC), Cidade Universitária, Rio de Janeiro, Brazil
| | | | - Carlos Adam Conte-Junior
- Institute of Chemistry, Federal University of Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil.,Center for Food Analysis, Technological Development Support Laboratory (LADETEC), Cidade Universitária, Rio de Janeiro, Brazil.,Faculty of Veterinary Medicine, Analytical and Molecular Laboratory Center, Fluminense Federal University, Niterói, Brazil.,National Institute of Health Quality Control, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
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16
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Perin AP, Martins BTF, Barreiros MAB, Yamatogi RS, Nero LA, Dos Santos Bersot L. Occurrence, quantification, pulse types, and antimicrobial susceptibility of Salmonella sp. isolated from chicken meat in the state of Paraná, Brazil. Braz J Microbiol 2020; 51:335-345. [PMID: 31782062 PMCID: PMC7058779 DOI: 10.1007/s42770-019-00188-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 11/13/2019] [Indexed: 11/26/2022] Open
Abstract
The aim of this work was to verify the occurrence, quantification, pulse types, and antimicrobial susceptibility profiles of Salmonella sp. isolated from chicken meat produced and marketed in the state of Paraná, considered to be the state with the highest production of poultry meat in Brazil. Ninety-five of 300 (31.5%) frozen cuts of chicken were found to contain Salmonella sp., and 98 different isolates of Salmonella sp. were cultured from the positive samples. Quantification showed low Salmonella sp. loading, ranging from 0.12 to 6.4 MPN/g. The antimicrobial resistance test was performed against 16 agents from 6 different classes. All isolates were sensitive to meropenem, imipenem, chloramphenicol, and amikacin. The highest resistance rates were observed for nalidixic acid (95%), tetracycline (94%), doxycycline (94%), ampicillin (87%), amoxicillin with clavulanic acid (84%), ceftriaxone (79%), and ciprofloxacin (76%). A total of 84 (85.7%) of the isolates were identified with a multidrug resistant profile, 13 of which were found to have encoding genes extended-spectrum beta-lactamase (ESBL), especially blaCTX-M-2 e blaTEM-1. The major serovars identified were S. Typhimurium (43%) and S. Heidelberg (39%). The third most isolated serovar was S. Ndolo (6%), without previous reports of its presence in poultry meat in Brazil. Molecular characterization of S. Typhimurium and S. Heidelberg isolates by pulsed field gel electrophoresis (PFGE) showed a clonal relationship between all isolates of the same serovar (genetic similarity greater than 80%). Isolates of S. Typhimurium and S. Heidelberg with 100% similarity were found in up to five different geographic regions of the state, showing the potential for the spread of this pathogen in the Paraná poultry chain. Epidemiological surveys like this are important to understand the dynamics of dissemination and to monitor the prevalence of pathogens in the final products of poultry chains. In addition, to know the resistance profile of strains of Salmonella sp. present in food that contributes to the adoption of faster and more effective therapeutic measures, when necessary.
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Affiliation(s)
- Ana Paula Perin
- Department of Veterinary Science, Palotina Sector, Federal University of Paraná, Palotina, Paraná, 85950-000, Brazil
| | | | | | - Ricardo Seiti Yamatogi
- Department of Veterinary Medicine, Federal University of Viçosa, Viçosa, Minas Gerais, 36570-000, Brazil
| | - Luís Augusto Nero
- Department of Veterinary Medicine, Federal University of Viçosa, Viçosa, Minas Gerais, 36570-000, Brazil
| | - Luciano Dos Santos Bersot
- Department of Veterinary Science, Palotina Sector, Federal University of Paraná, Palotina, Paraná, 85950-000, Brazil.
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17
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Seribelli AA, Gonzales JC, de Almeida F, Benevides L, Cazentini Medeiros MI, Dos Prazeres Rodrigues D, de C Soares S, Allard MW, Falcão JP. Phylogenetic analysis revealed that Salmonella Typhimurium ST313 isolated from humans and food in Brazil presented a high genomic similarity. Braz J Microbiol 2020; 51:53-64. [PMID: 31728978 PMCID: PMC7058764 DOI: 10.1007/s42770-019-00155-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 09/07/2019] [Indexed: 12/16/2022] Open
Abstract
Salmonella Typhimurium sequence type 313 (S. Typhimurium ST313) has caused invasive disease mainly in sub-Saharan Africa. In Brazil, ST313 strains have been recently described, and there is a lack of studies that assessed by whole genome sequencing (WGS)-the relationship of these strains. The aims of this work were to study the phylogenetic relationship of 70 S. Typhimurium genomes comparing strains of ST313 (n = 9) isolated from humans and food in Brazil among themselves, with other STs isolated in this country (n = 31) and in other parts of the globe (n = 30) by 16S rRNA sequences, the Gegenees software, whole genome multilocus sequence typing (wgMLST), and average nucleotide identity (ANI) for the genomes of ST313. Additionally, pangenome analysis was performed to verify the heterogeneity of these genomes. The phylogenetic analyses showed that the ST313 genomes were very similar among themselves. However, the ST313 genomes were usually clustered more distantly to other STs of strains isolated in Brazil and in other parts of the world. By pangenome calculation, the core genome was 2,880 CDSs and 4,171 CDSs singletons for all the 70 S. Typhimurium genomes studied. Considering the 10 ST313 genomes analyzed the core genome was 4,112 CDSs and 76 CDSs singletons. In conclusion, the ST313 genomes from Brazil showed a high similarity among them which information might eventually help in the development of vaccines and antibiotics. The pangenome analysis showed that the S. Typhimurium genomes studied presented an open pangenome, but specifically tending to become close for the ST313 strains.
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Affiliation(s)
- Amanda Ap Seribelli
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo - USP, Av. do Café, s/n°-Campus Universitário USP, Ribeirão Preto, SP, 14040-903, Brazil.
| | - Júlia C Gonzales
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo - USP, Av. do Café, s/n°-Campus Universitário USP, Ribeirão Preto, SP, 14040-903, Brazil
| | - Fernanda de Almeida
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo - USP, Av. do Café, s/n°-Campus Universitário USP, Ribeirão Preto, SP, 14040-903, Brazil
| | - Leandro Benevides
- National Laboratory of Scientific Computation - LNCC, Petrópolis, Brazil
| | | | | | | | - Marc W Allard
- Food and Drug Administration - FDA, College Park, MA, USA
| | - Juliana P Falcão
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo - USP, Av. do Café, s/n°-Campus Universitário USP, Ribeirão Preto, SP, 14040-903, Brazil
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18
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Sobur A, Hasan M, Haque E, Mridul AI, Noreddin A, El Zowalaty ME, Rahman T. Molecular Detection and Antibiotyping of Multidrug-Resistant Salmonella Isolated from Houseflies in a Fish Market. Pathogens 2019; 8:pathogens8040191. [PMID: 31618930 PMCID: PMC6963335 DOI: 10.3390/pathogens8040191] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 09/26/2019] [Accepted: 09/30/2019] [Indexed: 12/22/2022] Open
Abstract
Houseflies (Musca domestica) are well-known mechanical vectors for spreading multidrug-resistant bacteria. Fish sold in open markets are exposed to houseflies. The present study investigated the prevalence and antibiotypes of multidrug-resistant (MDR) Salmonella spp. in houseflies captured from a fish market. Direct interviews with fish vendors and consumers were also performed to draw their perceptions about the role of flies in spreading antibiotic-resistant bacteria. A total of 60 houseflies were captured from a local fish market in Bangladesh. The presence of Salmonella spp. was confirmed using PCR method. Antibiogram was determined by the disk diffusion method, followed by the detection of tetA, tetB, and qnrA resistance genes by PCR. From the interview, it was found that most of the consumers and vendors were not aware of antibiotic resistance, but reported that flies can carry pathogens. Salmonella spp. were identified from the surface of 34 (56.7%) houseflies, of which 31 (91.2%) were found to be MDR. This study revealed 25 antibiotypes among the isolated Salmonella spp. All tested isolates were found to be resistant to tetracycline. tetA and tetB were detected in 100% and 47.1% of the isolates, respectively. Among the 10 isolates phenotypically found resistant to ciprofloxacin, six (60%) were found to be positive for qnrA gene. As far as we know, this is the first study from Bangladesh to report and describe the molecular detection of multidrug-resistant Salmonella spp. in houseflies in a fish market facility. The occurrence of a high level of MDR Salmonella in houseflies in the fish market is of great public health concerns.
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Affiliation(s)
- Abdus Sobur
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (A.S.); (A.I.M.)
| | - Mehedi Hasan
- Department of Medicine, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh;
| | - Emdadul Haque
- Faculty of Fisheries, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh;
| | - Asmaul Iqbal Mridul
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (A.S.); (A.I.M.)
| | - Ayman Noreddin
- Infectious Diseases and Anti-Infective Therapy Research Group, Sharjah Medical Research Institute and College of Pharmacy, University of Sharjah, Sharjah 27272, UAE;
| | - Mohamed E. El Zowalaty
- Infectious Diseases and Anti-Infective Therapy Research Group, Sharjah Medical Research Institute and College of Pharmacy, University of Sharjah, Sharjah 27272, UAE;
- Virology and Microbiology Research Group, Department of Pharmacy, City University College of Ajman, Ajman 18484, UAE
- Correspondence: (M.E.E.Z.); (T.R.)
| | - Tanvir Rahman
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh; (A.S.); (A.I.M.)
- Correspondence: (M.E.E.Z.); (T.R.)
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Casaux ML, Caffarena RD, Schild CO, Giannitti F, Riet-Correa F, Fraga M. Antibiotic resistance in Salmonella enterica isolated from dairy calves in Uruguay. Braz J Microbiol 2019; 50:1139-1144. [PMID: 31606855 DOI: 10.1007/s42770-019-00151-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Accepted: 09/04/2019] [Indexed: 10/25/2022] Open
Abstract
Salmonella enterica is an important animal and human pathogen that can cause enteritis and septicaemia in calves. Generally, antibiotics are prescribed for the treatment of salmonellosis in dairy calves. Here, we report the isolation of antibiotic resistant S. enterica serotypes from calves, including multidrug-resistant isolates. A total of 544 faecal samples from live healthy and diarrheic dairy calves from 29 commercial dairy farms and organ samples from 19 deceased calves that succumbed to salmonellosis in 12 commercial dairy farms in Uruguay were processed for selective S. enterica culture. In total, 41 isolates were serotyped, and susceptibility to 14 antibiotics, from 9 classes of compounds, was evaluated by disk-diffusion test. The minimum inhibitory concentration (MIC) was determined by microdilution. Salmonella Typhimurium was the most frequent serotype, followed by S. Dublin and S. Anatum. Whether determined by diffusion assay or microdilution, resistance to tetracycline, streptomycin and ampicillin were the most frequently pattern found. Based on MIC, 5 isolates were resistant to at least one antibiotic, 21 were resistant to 2 antibiotics, and 14 were multidrug-resistant (resistant to at least one antibiotic in 3 different categories of antibiotics). Eleven different resistance patterns were found. Multidrug resistance in S. enterica is a concern for animal and public health not only because of its zoonotic potential but also due to the possibility of transfer resistance determinants to other bacterial genera. This represents the first report of the antibiotic resistance in S. enterica in dairy farms in Uruguay.
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Affiliation(s)
- M L Casaux
- Instituto Nacional de Investigación Agropecuaria (INIA), Plataforma de Investigación en Salud Animal, Estación Experimental INIA La Estanzuela, Ruta 50, km 11.5, 70006, Colonia, Uruguay
| | - R D Caffarena
- Instituto Nacional de Investigación Agropecuaria (INIA), Plataforma de Investigación en Salud Animal, Estación Experimental INIA La Estanzuela, Ruta 50, km 11.5, 70006, Colonia, Uruguay.,Facultad de Veterinaria, Universidad de la República, Montevideo, Uruguay
| | - C O Schild
- Instituto Nacional de Investigación Agropecuaria (INIA), Plataforma de Investigación en Salud Animal, Estación Experimental INIA La Estanzuela, Ruta 50, km 11.5, 70006, Colonia, Uruguay.,Facultad de Veterinaria, Universidad de la República, Montevideo, Uruguay
| | - F Giannitti
- Instituto Nacional de Investigación Agropecuaria (INIA), Plataforma de Investigación en Salud Animal, Estación Experimental INIA La Estanzuela, Ruta 50, km 11.5, 70006, Colonia, Uruguay
| | - Franklin Riet-Correa
- Instituto Nacional de Investigación Agropecuaria (INIA), Plataforma de Investigación en Salud Animal, Estación Experimental INIA La Estanzuela, Ruta 50, km 11.5, 70006, Colonia, Uruguay
| | - Martín Fraga
- Instituto Nacional de Investigación Agropecuaria (INIA), Plataforma de Investigación en Salud Animal, Estación Experimental INIA La Estanzuela, Ruta 50, km 11.5, 70006, Colonia, Uruguay.
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20
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Chen K, Dong N, Chan EWC, Chen S. Transmission of ciprofloxacin resistance in Salmonella mediated by a novel type of conjugative helper plasmids. Emerg Microbes Infect 2019; 8:857-865. [PMID: 31169081 PMCID: PMC6566993 DOI: 10.1080/22221751.2019.1626197] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Ciprofloxacin resistance in Salmonella has been increasingly reported due to the emergence and dissemination of multiple Plasmid-Mediated Quinolone Resistance (PMQR) determinants, which are mainly located in non-conjugative plasmids or chromosome. In this study, we aimed to depict the molecular mechanisms underlying the rare phenomenon of horizontal transfer of ciprofloxacin resistance phenotype in Salmonella by conjugation experiments, S1-PFGE and complete plasmid sequencing. Two types of non-conjugative plasmids, namely an IncX1 type carrying a qnrS1 gene, and an IncH1 plasmid carrying the oqxAB-qnrS gene, both ciprofloxacin resistance determinants in Salmonella, were recovered from two Salmonella strains. Importantly, these non-conjugative plasmids could be fused with a novel Incl1 type conjugative helper plasmid, which could target insertion sequence (IS) elements located in the non-conjugative, ciprofloxacin-resistance-encoding plasmid through replicative transcription, eventually forming a hybrid conjugative plasmid transmissible among members of Enterobacteriaceae. Since our data showed that such conjugative helper plasmids are commonly detectable among clinical Salmonella strains, particularly S. Typhimurium, fusion events leading to generation and enhanced dissemination of conjugative ciprofloxacin resistance-encoding plasmids in Salmonella are expected to result in a sharp increase in the incidence of resistance to fluoroquinolone, the key choice for treating life-threatening Salmonella infections, thereby posing a serious public health threat.
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Affiliation(s)
- Kaichao Chen
- a Shenzhen Key lab for Food Biological Safety Control, Food Safety and Technology Research Center , Hong Kong PolyU Shen Zhen Research Institute , Shenzhen , People's Republic of China.,b State Key Lab of Chirosciences, Department of Applied Biology and Chemical Technology , The Hong Kong Polytechnic University , Kowloon , Hong Kong
| | - Ning Dong
- a Shenzhen Key lab for Food Biological Safety Control, Food Safety and Technology Research Center , Hong Kong PolyU Shen Zhen Research Institute , Shenzhen , People's Republic of China.,b State Key Lab of Chirosciences, Department of Applied Biology and Chemical Technology , The Hong Kong Polytechnic University , Kowloon , Hong Kong
| | - Edward Wai-Chi Chan
- a Shenzhen Key lab for Food Biological Safety Control, Food Safety and Technology Research Center , Hong Kong PolyU Shen Zhen Research Institute , Shenzhen , People's Republic of China.,b State Key Lab of Chirosciences, Department of Applied Biology and Chemical Technology , The Hong Kong Polytechnic University , Kowloon , Hong Kong
| | - Sheng Chen
- a Shenzhen Key lab for Food Biological Safety Control, Food Safety and Technology Research Center , Hong Kong PolyU Shen Zhen Research Institute , Shenzhen , People's Republic of China.,b State Key Lab of Chirosciences, Department of Applied Biology and Chemical Technology , The Hong Kong Polytechnic University , Kowloon , Hong Kong
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Chen Q, Gong X, Zheng F, Ji P, Yuan Z, Liu Y, Wei Y. Prevalence and Characteristics of Quinolone Resistance in Salmonella Isolated from Retail Foods in Lanzhou, China. J Food Prot 2019; 82:1591-1597. [PMID: 31433240 DOI: 10.4315/0362-028x.jfp-19-001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The aim of this study was to determinate the prevalence of Salmonella in retail foods and its resistance to quinolones in retail foods in Lanzhou, People's Republic of China. In this work, 2,182 food samples, collected from March 2015 to December 2018, were analyzed to detect Salmonella and then analyzed for serotype distribution, quinolone resistance, and quinolone-resistant gene detection. The findings demonstrate that the overall prevalence of Salmonella in these food categories was low. A total of 41 (1.9%) of 2,182 food samples were found to be positive for Salmonella. Ten distinct serovars were identified, and Salmonella Derby, Salmonella Anatum, and Salmonella Enteritidis were the most prevalent serovars. According to the broth microdilution test, the resistance percentages were 90.2% to nalidixic acid, 39.0% to enrofloxacin, 41.5% to ciprofloxacin, 29.3% to ofloxacin, and 26.8% to levofloxacin. Among the quinolone-resistant isolates, 12 strains had a single mutation in gyrA at codon 83 (Ser→Phe) or codon 87 (Asp→Asn or Asp→Gly). Five isolates had one parC mutation (Ser80→Arg) and one or two gyrA hot spot mutations. qnr genes were found in seven isolates (five qnrB and two qnrD), and the aac(6')-Ib gene in seven isolates. Two isolates carry both qnrB and aac(6')-Ib-cr genes. Based on these results, a low prevalence of Salmonella contamination in retail foods was found, but it might play a potential risk factor in the spread of quinolone-resistant Salmonella strains in the Lanzhou region.
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Affiliation(s)
- Qiwei Chen
- Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, People's Republic of China.,State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No. 1 Xujiaping, Yanchangbao, Lanzhou 730046, People's Republic of China
| | - Xiongwei Gong
- State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No. 1 Xujiaping, Yanchangbao, Lanzhou 730046, People's Republic of China
| | - Fuying Zheng
- State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No. 1 Xujiaping, Yanchangbao, Lanzhou 730046, People's Republic of China
| | - Peng Ji
- Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, People's Republic of China
| | - Ziwen Yuan
- Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, People's Republic of China
| | - Yongsheng Liu
- State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No. 1 Xujiaping, Yanchangbao, Lanzhou 730046, People's Republic of China
| | - Yanming Wei
- Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, People's Republic of China
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22
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Chen K, Chan EWC, Chen S. Evolution and transmission of a conjugative plasmid encoding both ciprofloxacin and ceftriaxone resistance in Salmonella. Emerg Microbes Infect 2019; 8:396-403. [PMID: 30896347 PMCID: PMC6455229 DOI: 10.1080/22221751.2019.1585965] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Ceftriaxone and ciprofloxacin are the drugs of choice in treatment of invasive Salmonella infections. This study discovered a novel type of plasmid, pSa44-CIP-CRO, which was recovered from a S. London strain isolated from meat product and comprised genetic determinants that encoded resistance to both ciprofloxacin and ceftriaxone. This plasmid could be resolved into two daughter plasmids and co-exist with such daughter plasmids in a dynamic form in Salmonella; yet it was only present as a single plasmid in Escherichia coli. One daughter plasmid, pSa44-CRO, was found to carry the blaCTX-M-130 gene, which encodes resistance to ceftriaxone, whereas the other plasmid, pSa44-CIP, carried multiple PMQR genes such as qnrB6-aac(6')-Ib-cr, which mediated resistance to ciprofloxacin. These two daughter plasmids could be integrated into one single plasmid through ISPa40 mediated homologous recombination. Mouse infection and treatment experiments showed that carriage of plasmid, pSa44-CIP-CRO by S. typhimurium led to the impairment of treatment by ciprofloxacin or cefitiofur, a veterinary drug with similar properties as ceftriaxone. In conclusion, dissemination of such conjugative plasmids impairs current choices of treatment for life-threatening Salmonella infection and hence constitutes a serious public health threat.
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Affiliation(s)
- Kaichao Chen
- a Shenzhen Key Lab for Food Biological Safety Control, Food Safety and Technology Research Center, Hong Kong PolyU Shen Zhen Research Institute , Shenzhen , People's Republic of China.,b Department of Applied Biology and Chemical Technology , State Key Lab of Chirosciences, The Hong Kong Polytechnic University , Kowloon , Hong Kong
| | - Edward Wai Chi Chan
- a Shenzhen Key Lab for Food Biological Safety Control, Food Safety and Technology Research Center, Hong Kong PolyU Shen Zhen Research Institute , Shenzhen , People's Republic of China.,b Department of Applied Biology and Chemical Technology , State Key Lab of Chirosciences, The Hong Kong Polytechnic University , Kowloon , Hong Kong
| | - Sheng Chen
- a Shenzhen Key Lab for Food Biological Safety Control, Food Safety and Technology Research Center, Hong Kong PolyU Shen Zhen Research Institute , Shenzhen , People's Republic of China.,b Department of Applied Biology and Chemical Technology , State Key Lab of Chirosciences, The Hong Kong Polytechnic University , Kowloon , Hong Kong
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Monte DF, Lincopan N, Fedorka-Cray PJ, Landgraf M. Current insights on high priority antibiotic-resistant Salmonella enterica in food and foodstuffs: a review. Curr Opin Food Sci 2019. [DOI: 10.1016/j.cofs.2019.03.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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24
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Almeida F, Seribelli AA, Medeiros MIC, Rodrigues DDP, de MelloVarani A, Luo Y, Allard MW, Falcão JP. Phylogenetic and antimicrobial resistance gene analysis of Salmonella Typhimurium strains isolated in Brazil by whole genome sequencing. PLoS One 2018; 13:e0201882. [PMID: 30102733 PMCID: PMC6089434 DOI: 10.1371/journal.pone.0201882] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Accepted: 07/24/2018] [Indexed: 12/02/2022] Open
Abstract
Whole genome sequencing (WGS) has been used as a powerful technology for molecular epidemiology, surveillance, identification of species and serotype, identification of the sources of outbreaks, among other purposes. In Brazil, there is relatively few epidemiological data on Salmonella. In this study, 90 Salmonella Typhimurium strains had their genome sequenced to uncover the diversity of Salmonella Typhimurium isolated from humans and food, between 1983 and 2013, from different geographic regions in Brazil based on single nucleotide polymorphism (SNP) analysis. A total of 39 resistance genes were identified, such as aminoglycoside, tetracycline, sulfonamide, trimethoprim, beta-lactam, fluoroquinolone, phenicol and macrolide, as well as the occurrence of point mutations in some of the genes such as gyrA, gyrB, parC and parE. A total of 65 (72.2%) out of 90 S. Typhimurium strains studied were phenotypically resistant to sulfonamides, 44 (48.9%) strains were streptomycin resistant, 27 (30%) strains were resistant to tetracycline, 21 (23.3%) strains were gentamicin resistant, and seven (7.8%) strains were resistant to ceftriaxone. In the gyrA gene, it was observed the following amino acid substitutions: Asp(87)→Gly, Asp(87)→Asn, Ser(83)→Phe, Ser(83)→Tyr. Phylogenetic results placed the 90 S. Typhimurium strains into two major clades suggesting the existence of a prevalent subtype, likely more adapted, among strains isolated from humans, with some diversity in subtypes in foods. The variety and prevalence of resistant genes found in these Salmonella Typhimurium strains reinforces their potential hazard for humans and the risk in foods in Brazil.
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Affiliation(s)
- Fernanda Almeida
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas–Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. do Café s/ nº, Ribeirão Preto, SP Brasil
| | - Amanda Aparecida Seribelli
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas–Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. do Café s/ nº, Ribeirão Preto, SP Brasil
| | | | - Dália dos Prazeres Rodrigues
- Laboratório de Enterobactérias, FIOCRUZ/Fundação Instituto Oswaldo Cruz, Avenida Brasil, Pavilhão Rocha Lima, 3°andar, Manguinhos, Rio de Janeiro, RJ, Brasil
| | - Alessandro de MelloVarani
- Faculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista (UNESP), Jaboticabal, Brazil
| | - Yan Luo
- Division of Microbiology, Office of Regular Science, Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, College Park, Maryland, United States of America
| | - Marc W. Allard
- Division of Microbiology, Office of Regular Science, Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, College Park, Maryland, United States of America
- * E-mail: (JPF); (MA)
| | - Juliana Pfrimer Falcão
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas–Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. do Café s/ nº, Ribeirão Preto, SP Brasil
- * E-mail: (JPF); (MA)
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Otokunefor K, Agbude P, Otokunefor TV. Non-clinical isolates as potential reservoirs of antibiotic resistance in Port Harcourt, Nigeria. Pan Afr Med J 2018; 30:167. [PMID: 30455796 PMCID: PMC6235506 DOI: 10.11604/pamj.2018.30.167.14261] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Accepted: 04/30/2018] [Indexed: 02/02/2023] Open
Abstract
Introduction Multidrug resistance (MDR) is a growing problem worldwide. This type resistance often arises due to the sequential acquisition of drug resistance determinants and subsequent clonal spread. It is therefore important to determine possible reservoirs of these MDR gene to help set out control strategies. This study was aimed at analysing susceptibility patterns of various non-clinical Gram negative bacterial strains to determine their potential as reservoirs of MDR. Methods Thirty-five non-clinical Gram negative bacteria were identified and susceptibility profile determined using standard methodologies. Results Findings showed a preponderance of Pseudomonas aeruginosa and Escherichia Coli. Resistance rates of above 80% were noted in 50% of antibiotics, though none of the isolates were resistant to Ofloxacin. Majority of isolates (68.6%) had a multiple antibiotic resistance (MAR) index greater than 0.5, but only 20% of Escherichia Eoli. were found in this category. A high level of MDR was noted in this study (71.4%), but again only 20% of these were Escherichia Coli. Conclusion Gram negative bacteria are the most common group of bacteria frequently encountered in clinical microbiology. In more recent years, infections with these organisms have been further complicated by the phenomenon of drug resistance. Non-clinical isolates have been postulated as possible reservoirs. Findings from this study of widespread multidrug resistance support this idea. This study however highlights the lack of MDR in Escherichia Coli, which is promising. More extensive studies will need to be carried out to properly assess the role of non-clinical isolates as reservoirs of MDR determinants.
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Affiliation(s)
- Kome Otokunefor
- Department of Microbiology, Faculty of Science, University of Port Harcourt, Rivers State, Nigeria
| | - Paul Agbude
- Department of Microbiology, Faculty of Science, University of Port Harcourt, Rivers State, Nigeria
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