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Šandor K, Perak Junaković E, Terzić S, Žarković I, Vujnović A, Fajdić D, Pehnec M, Sinković S, Ćaleta I, Andrišić M. A Green HPLC Approach to Florfenicol Analysis in Pig Urine. Pharmaceuticals (Basel) 2024; 17:495. [PMID: 38675455 PMCID: PMC11053663 DOI: 10.3390/ph17040495] [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: 03/11/2024] [Revised: 04/04/2024] [Accepted: 04/10/2024] [Indexed: 04/28/2024] Open
Abstract
Florfenicol (FF) is a broad-spectrum antibiotic used to treat gastrointestinal and respiratory infections in domestic animals. Considering FF's rapid elimination via urine after drug treatment, its use increases concerns about environmental contamination. The objective of the study was to establish a sustainable chromatographic method for simple analysis of FF in pig urine to investigate the urinary excretion of FF after a single intramuscular administration of 20 mg FF/kg body weight. The urine sample was prepared using a centrifuge and regenerated cellulose filter, and the diluted sample was analyzed. The method was validated in terms of linearity, the limit of detection (0.005 µg/mL) and quantitation (0.016 µg/mL), repeatability and matrix effect (%RSD ranged up to 2.5), accuracy (varied between 98% and 102%), and stability. The concentration-time profile of pig urine samples collected within 48 h post-drug administration showed that 63% of FF's dose was excreted. The developed method and previously published methods used to qualify FF in the urine of animal origin were evaluated by the National Environmental Method Index (NEMI), Green Analytical Procedure Index (GAPI) and Analytical GREENness Metric Approach (AGREE). The greenness profiles of published methods revealed problems with high solvents and energy consumption, while the established method was shown to be more environmentally friendly.
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Affiliation(s)
- Ksenija Šandor
- Laboratory for Analysis of Veterinary Medicinal Products, Croatian Veterinary Institute, Savska Cesta 143, 10000 Zagreb, Croatia; (K.Š.); (S.T.); (I.Ž.); (A.V.); (D.F.); (M.P.); (S.S.); (M.A.)
| | - Eleonora Perak Junaković
- Laboratory for Analysis of Veterinary Medicinal Products, Croatian Veterinary Institute, Savska Cesta 143, 10000 Zagreb, Croatia; (K.Š.); (S.T.); (I.Ž.); (A.V.); (D.F.); (M.P.); (S.S.); (M.A.)
| | - Svjetlana Terzić
- Laboratory for Analysis of Veterinary Medicinal Products, Croatian Veterinary Institute, Savska Cesta 143, 10000 Zagreb, Croatia; (K.Š.); (S.T.); (I.Ž.); (A.V.); (D.F.); (M.P.); (S.S.); (M.A.)
| | - Irena Žarković
- Laboratory for Analysis of Veterinary Medicinal Products, Croatian Veterinary Institute, Savska Cesta 143, 10000 Zagreb, Croatia; (K.Š.); (S.T.); (I.Ž.); (A.V.); (D.F.); (M.P.); (S.S.); (M.A.)
| | - Anja Vujnović
- Laboratory for Analysis of Veterinary Medicinal Products, Croatian Veterinary Institute, Savska Cesta 143, 10000 Zagreb, Croatia; (K.Š.); (S.T.); (I.Ž.); (A.V.); (D.F.); (M.P.); (S.S.); (M.A.)
| | - Dominika Fajdić
- Laboratory for Analysis of Veterinary Medicinal Products, Croatian Veterinary Institute, Savska Cesta 143, 10000 Zagreb, Croatia; (K.Š.); (S.T.); (I.Ž.); (A.V.); (D.F.); (M.P.); (S.S.); (M.A.)
| | - Mirta Pehnec
- Laboratory for Analysis of Veterinary Medicinal Products, Croatian Veterinary Institute, Savska Cesta 143, 10000 Zagreb, Croatia; (K.Š.); (S.T.); (I.Ž.); (A.V.); (D.F.); (M.P.); (S.S.); (M.A.)
| | - Sonja Sinković
- Laboratory for Analysis of Veterinary Medicinal Products, Croatian Veterinary Institute, Savska Cesta 143, 10000 Zagreb, Croatia; (K.Š.); (S.T.); (I.Ž.); (A.V.); (D.F.); (M.P.); (S.S.); (M.A.)
| | - Irena Ćaleta
- Chemistry, Selvita Ltd., Prilaz Baruna Filipovića 29, 10000 Zagreb, Croatia;
| | - Miroslav Andrišić
- Laboratory for Analysis of Veterinary Medicinal Products, Croatian Veterinary Institute, Savska Cesta 143, 10000 Zagreb, Croatia; (K.Š.); (S.T.); (I.Ž.); (A.V.); (D.F.); (M.P.); (S.S.); (M.A.)
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El-Razik KAA, Ibrahim ES, Arafa AA, Hedia RH, Younes AM, Hasanain MH. Molecular characterization of tetracycline and vancomycin-resistant Enterococcus faecium isolates from healthy dogs in Egypt: a public health threat. BMC Genomics 2023; 24:610. [PMID: 37828442 PMCID: PMC10568815 DOI: 10.1186/s12864-023-09708-4] [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: 11/11/2022] [Accepted: 10/01/2023] [Indexed: 10/14/2023] Open
Abstract
BACKGROUND Vancomycin-resistant enterococci (VRE) are among the most common causative pathogens for nosocomial infections worldwide. Moreover, strains of VRE have been isolated from several domestic livestock in Egypt. METHODS This study examined if healthy dogs are a potential source of VRE infection by isolating and characterizing Enterococcus faecium strains from stool samples on a morphological basis and biochemical activities. Subsequently, it was confirmed by genotypic characterization using polymerase chain reaction (PCR), followed by the detection of antibiotic resistance genes, virulence determinants, and genes contributing to enterocin production by PCR. Furthermore, the phylogenetic relationships among vanB and tetL genes were analyzed. RESULTS All ten fecal samples were identified as E. faecium and confirmed by PCR. In addition, 90% of the isolates tested were positive for the virulence genes gelE and esp, and all the isolates tested were positive for the antibiotic resistance genes tetL and vanB. Only three of the five enterocin genes examined were detected. Ent As-48, bacteriocin 31, and Ent L50 were identified in 100%, 80%, and 60% of the samples, respectively. CONCLUSION Dogs should be regarded as a reservoir of E. faecium that carries vancomycin resistance and virulence determinants that may affect public health in Egypt, considering a "One Health" task force approach to restrict their spread.
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Affiliation(s)
- Khaled A Abd El-Razik
- Department of Animal Reproduction, Veterinary Research Institute, National Research Centre, Dokki, Giza, 12622, Egypt
| | - Eman S Ibrahim
- Department of Microbiology and Immunology, Veterinary Research Institute, National Research Centre, Dokki, Giza, 12622, Egypt.
| | - Amany A Arafa
- Department of Microbiology and Immunology, Veterinary Research Institute, National Research Centre, Dokki, Giza, 12622, Egypt.
| | - Riham H Hedia
- Department of Microbiology and Immunology, Veterinary Research Institute, National Research Centre, Dokki, Giza, 12622, Egypt
| | - Abdelgayed M Younes
- Department of Hydrobiology, Veterinary Research Institute, National Research Centre, Dokki, Giza, 12622, Egypt
| | - Mahmoud H Hasanain
- Department of Animal Reproduction, Veterinary Research Institute, National Research Centre, Dokki, Giza, 12622, Egypt
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Jia T, Chang WS, Marcelino VR, Zhao S, Liu X, You Y, Holmes EC, Shi M, Zhang C. Characterization of the Gut Microbiome and Resistomes of Wild and Zoo-Captive Macaques. Front Vet Sci 2022; 8:778556. [PMID: 35141306 PMCID: PMC8819141 DOI: 10.3389/fvets.2021.778556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 12/21/2021] [Indexed: 11/13/2022] Open
Abstract
Rhesus macaques (Macaca mulatta) are the most widely distributed species of Old World monkey and are frequently used as animal models to study human health and disease. Their gastrointestinal microbial community likely plays a major role in their physiology, ecology and evolution. Herein, we compared the fecal microbiome and antibiotic resistance genes in 15 free-ranging and 81 zoo-captive rhesus macaques sampled from two zoos in China, using both 16S amplicon sequencing and whole genome shotgun DNA sequencing approaches. Our data revealed similar levels of microbial diversity/richness among the three groups, although the composition of each group differed significantly and were particularly marked between the two zoo-captive and one wild groups. Zoo-captive animals also demonstrated a greater abundance and diversity of antibiotic genes. Through whole genome shotgun sequencing we also identified a mammalian (simian) associated adenovirus. Overall, this study provides a comprehensive analysis of resistomes and microbiomes in zoo-captive and free-ranging monkeys, revealing that semi-captive wildlife might harbor a higher diversity of antimicrobial resistant genes.
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Affiliation(s)
- Ting Jia
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | - Wei-Shan Chang
- Sydney Institute for Infectious Diseases, School of Life and Environmental Sciences and School of Medical Sciences, The University of Sydney, Sydney, NSW, Australia
- *Correspondence: Wei-Shan Chang
| | - Vanessa R. Marcelino
- Sydney Institute for Infectious Diseases, School of Life and Environmental Sciences and School of Medical Sciences, The University of Sydney, Sydney, NSW, Australia
- Department of Molecular and Translational Sciences, Monash University, Clayton, VIC, Australia
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, VIC, Australia
| | - Sufen Zhao
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | - Xuefeng Liu
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | - Yuyan You
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | - Edward C. Holmes
- Sydney Institute for Infectious Diseases, School of Life and Environmental Sciences and School of Medical Sciences, The University of Sydney, Sydney, NSW, Australia
| | - Mang Shi
- School of Medicine, Sun Yat-sen University, Guangzhou, China
- Mang Shi
| | - Chenglin Zhang
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
- Chenglin Zhang
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Li J, Yang L, Huang X, Wen Y, Zhao Q, Huang X, Xia J, Huang Y, Cao S, Du S, Wu R, Zou L, Yan Q, Han X. Molecular characterization of antimicrobial resistance and virulence factors of Enterococcus faecalis from ducks at slaughterhouses. Poult Sci 2021; 101:101646. [PMID: 35172230 PMCID: PMC8851247 DOI: 10.1016/j.psj.2021.101646] [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: 08/04/2021] [Revised: 11/28/2021] [Accepted: 12/01/2021] [Indexed: 02/08/2023] Open
Abstract
This study investigated the prevalence of antimicrobial resistant Enterococcus faecalis (E. faecalis) from ducks at slaughterhouses, analyzed antimicrobial resistance genes and virulence-associated genes of the isolates. Multilocus sequence typing (MLST) was performed to characterize their molecular characteristics. A total of 227 E. faecalis isolates (67.8%) were obtained from cecum (n = 114), cloaca (n = 50), skin (n = 59), and rinsed water (n = 4). These E. faecalis exhibited high level of resistance against tetracycline (95.6%), doxycycline (94.3%), linezolid (75.8%), erythromycin (72.2%), followed by norfloxacin (56.8%), vancomycin (38.3%), penicillin (36.1%), teicoplanin (30.8%). Lower level of resistance was found to high-level streptomycin (19.8%), imipenem (15.9%) and high-level gentamicin (5.7%). The vast majority of isolates (90.3%) were multidrug resistant (MDR). Moreover, the commonly observed resistance genes were optrA (90.7%) and ermB (90.3%), followed by aph(3’)-Ⅲ (86.8%), tetM (84.6%), acc(6’)-aph(2) (77.5%), blaZ (76.7%) and aac(6’)-Ie-aph(2”)-Ia (75.8%). The less frequently observed genes were vanC (19.8%), blaTEM (4.8%), vanM (2.6%), and vanA (0.4%). None of the strains carried aph(2”)-Ic and vanB genes. Furthermore, a high prevalence of ten virulence determinants was identified, and efaA (99.1%) was predominant, followed by eep (97.4%), srtA (96.9%), asa1 (95.6%), fsrB (92.1%), sprE (89.9%), aggA (63.9%), gelE (56.4%), esp (33.9%), and cylL (15.4%). Eleven isolates (4.9%) co-carried all of the tested virulence-associated genes. MLST analysis demonstrated that, E. faecalis isolates consisted of 12 known STs and 5 new STs, among which 6 of the identified STs were associated with nosocomial infection. Our data indicated that retail ducks serve as an important source of MDR E. faecalis with high pathogenicity potential, and suggested that transmission to humans could not be excluded.
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Ghosh S, Bornman C, Zafer MM. Antimicrobial Resistance Threats in the emerging COVID-19 pandemic: Where do we stand? J Infect Public Health 2021; 14:555-560. [PMID: 33848884 PMCID: PMC7934675 DOI: 10.1016/j.jiph.2021.02.011] [Citation(s) in RCA: 95] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/18/2021] [Accepted: 02/22/2021] [Indexed: 01/08/2023] Open
Abstract
Antimicrobial resistance (AMR) continues to exert a substantial toll on the global health and world economy and is now expected to be hidden by COVID-19 for a while. The wrong consumption of antibiotics during the COVID-19 pandemic will raise disastrous effects on AMR management and antibiotic stewardship programs. This is related to the concerns extrapolated due to an increase in mortality rates in patients with bacterial coinfections. Importantly, the immune system of COVID-19 patients in regions with high AMR may be fighting on two fronts altogether, the virus and MDR bacteria. Current control policies to manage AMR and prioritization of antibiotic stewardship plans are mandatory during this pandemic. This review aims to discuss the rising concerns of the excess use of antibiotics in COVID-19 patients highlighting the role of bacterial coinfections in these patients. Types of prescribed antibiotics and the development of antibiotic resistance is addressed as well.
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Affiliation(s)
- Soumya Ghosh
- Department of Genetics, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein, South Africa
| | - Charné Bornman
- Department of Genetics, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein, South Africa
| | - Mai M Zafer
- Department of Microbiology and Immunology, Faculty of Pharmacy, Ahram Canadian University, Giza, Egypt.
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Zhou YF, Li L, Tao MT, Sun J, Liao XP, Liu YH, Xiong YQ. Linezolid and Rifampicin Combination to Combat cfr-Positive Multidrug-Resistant MRSA in Murine Models of Bacteremia and Skin and Skin Structure Infection. Front Microbiol 2020; 10:3080. [PMID: 31993042 PMCID: PMC6971047 DOI: 10.3389/fmicb.2019.03080] [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: 09/09/2019] [Accepted: 12/19/2019] [Indexed: 01/16/2023] Open
Abstract
Linezolid resistance mediated by the cfr gene in MRSA represents a global concern. We investigated relevant phenotype differences between cfr-positive and -negative MRSA that contribute to pathogenesis, and the efficacy of linezolid-based combination therapies in murine models of bacteremia and skin and skin structure infection (SSSI). As a group, cfr-positive MRSA exhibited significantly reduced susceptibilities to the host defense peptides tPMPs, human neutrophil peptide-1 (hNP-1), and cathelicidin LL-37 (P < 0.01). In addition, increased binding to fibronectin (FN) and endothelial cells paralleled robust biofilm formation in cfr-positive vs. -negative MRSA. In vitro phenotypes of cfr-positive MRSA translated into poor outcomes of linezolid monotherapy in vivo in murine bacteremia and SSSI models. Importantly, rifampicin showed synergistic activity as a combinatorial partner with linezolid, and the EC50 of linezolid decreased 6-fold in the presence of rifampicin. Furthermore, this combination therapy displayed efficacy against cfr-positive MRSA at clinically relevant doses. Altogether, these data suggest that the use of linezolid in combination with rifampicin poses a viable therapeutic alternative for bacteremia and SSSI caused by cfr-positive multidrug resistant MRSA.
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Affiliation(s)
- Yu-Feng Zhou
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
| | - Liang Li
- The Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center, Torrance, CA, United States
| | - Meng-Ting Tao
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
| | - Jian Sun
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
| | - Xiao-Ping Liao
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China
| | - Ya-Hong Liu
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, South China Agricultural University, Guangzhou, China.,Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, China
| | - Yan Q Xiong
- The Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center, Torrance, CA, United States.,David Geffen School of Medicine at UCLA, Los Angeles, CA, United States
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