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Guo J, Sun D, Li K, Dai Q, Geng S, Yang Y, Mo M, Zhu Z, Shao C, Wang W, Song J, Yang C, Zhang H. Metabolic Labeling and Digital Microfluidic Single-Cell Sequencing for Single Bacterial Genotypic-Phenotypic Analysis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2402177. [PMID: 39077951 DOI: 10.1002/smll.202402177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 06/23/2024] [Indexed: 07/31/2024]
Abstract
Accurate assessment of phenotypic and genotypic characteristics of bacteria can facilitate comprehensive cataloguing of all the resistance factors for better understanding of antibiotic resistance. However, current methods primarily focus on individual phenotypic or genotypic profiles across different colonies. Here, a Digital microfluidic-based automated assay for whole-genome sequencing of single-antibiotic-resistant bacteria is reported, enabling Genotypic and Phenotypic Analysis of antibiotic-resistant strains (Digital-GPA). Digital-GPA can efficiently isolate and sequence antibiotic-resistant bacteria illuminated by fluorescent D-amino acid (FDAA)-labeling, producing high-quality single-cell amplified genomes (SAGs). This enables identifications of both minor and major mutations, pinpointing substrains with distinctive resistance mechanisms. Digital-GPA can directly process clinical samples to detect and sequence resistant pathogens without bacterial culture, subsequently provide genetic profiles of antibiotic susceptibility, promising to expedite the analysis of hard-to-culture or slow-growing bacteria. Overall, Digital-GPA opens a new avenue for antibiotic resistance analysis by providing accurate and comprehensive molecular profiles of antibiotic resistance at single-cell resolution.
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Affiliation(s)
- Junnan Guo
- Department of Chemical Biology, College of Chemistry and Chemical Engineering, School of Life Sciences, Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen University, Xiamen, 361005, China
| | - Di Sun
- Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Kunjie Li
- Department of Chemical Biology, College of Chemistry and Chemical Engineering, School of Life Sciences, Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen University, Xiamen, 361005, China
| | - Qi Dai
- Department of Chemical Biology, College of Chemistry and Chemical Engineering, School of Life Sciences, Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen University, Xiamen, 361005, China
| | - Shichen Geng
- Department of Chemical Biology, College of Chemistry and Chemical Engineering, School of Life Sciences, Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen University, Xiamen, 361005, China
| | - Yuanyuan Yang
- Department of Chemical Biology, College of Chemistry and Chemical Engineering, School of Life Sciences, Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen University, Xiamen, 361005, China
| | - Mengwu Mo
- Department of Chemical Biology, College of Chemistry and Chemical Engineering, School of Life Sciences, Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen University, Xiamen, 361005, China
| | - Zhi Zhu
- Department of Chemical Biology, College of Chemistry and Chemical Engineering, School of Life Sciences, Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen University, Xiamen, 361005, China
| | - Chen Shao
- Department of Chemical Biology, College of Chemistry and Chemical Engineering, School of Life Sciences, Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen University, Xiamen, 361005, China
| | - Wei Wang
- Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Jia Song
- Institute for Developmental and Regenerative Cardiovascular Medicine, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Chaoyong Yang
- Department of Chemical Biology, College of Chemistry and Chemical Engineering, School of Life Sciences, Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen University, Xiamen, 361005, China
- Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Huimin Zhang
- Department of Chemical Biology, College of Chemistry and Chemical Engineering, School of Life Sciences, Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen University, Xiamen, 361005, China
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Jiang Y, Wang X, Zhao G, Shi Y, Wu Y. In-situ SERS detection of quinolone antibiotic residues in aquaculture water by multifunctional Fe 3O 4@mTiO 2@Ag nanoparticles. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 302:123056. [PMID: 37385202 DOI: 10.1016/j.saa.2023.123056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 06/16/2023] [Accepted: 06/19/2023] [Indexed: 07/01/2023]
Abstract
Antibiotic residues in aquaculture environments disrupt the ecosystem balance and pose a potential hazard to human health when entering the food chain. Therefore, ultra-sensitive detection of antibiotics is necessary. In this study, a multifunctional Fe3O4@mTiO2@Ag core-shell nanoparticle (NP), synthesized using a layer-by-layer method, was demonstrated to be useful as an enhanced substrate for in-situ surface-enhanced Raman spectroscopy (SERS) detection of various quinolone antibiotics in aqueous environments. The results showed that the minimum detectable concentrations of the six investigated antibiotics were 1 × 10-9 mol/L (ciprofloxacin, danofloxacin, enoxacin, enrofloxacin, and norfloxacin) and 1 × 10-8 mol/L (difloxacin hydrochloride) under the enrichment and enhancement of Fe3O4@mTiO2@Ag NPs. Additionally, there was a good quantitative relationship between the antibiotics concentrations and SERS peak intensities within a certain detection range. The results of the spiked assay of actual aquaculture water samples showed that the recoveries of the six antibiotics ranged from 82.9% to 113.5%, with relative standard deviations ranging from 1.71% to 7.24%. In addition, Fe3O4@mTiO2@Ag NPs achieved satisfactory results in assisting the photocatalytic degradation of antibiotics in aqueous environments. This provides a multifunctional solution for low concentration detection and efficient degradation of antibiotics in aquaculture water.
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Affiliation(s)
- Ye Jiang
- College of Engineering, Nanjing Agricultural University, Nanjing 210031, China
| | - Xiaochan Wang
- College of Engineering, Nanjing Agricultural University, Nanjing 210031, China.
| | - Guo Zhao
- College of Artificial Intelligence, Nanjing Agricultural University, Nanjing 210031, China
| | - Yinyan Shi
- College of Engineering, Nanjing Agricultural University, Nanjing 210031, China
| | - Yao Wu
- College of Engineering, Nanjing Agricultural University, Nanjing 210031, China
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Dabbaghie F, Srikakulam SK, Marschall T, Kalinina OV. PanPA: generation and alignment of panproteome graphs. BIOINFORMATICS ADVANCES 2023; 3:vbad167. [PMID: 38145107 PMCID: PMC10748787 DOI: 10.1093/bioadv/vbad167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 11/13/2023] [Accepted: 11/23/2023] [Indexed: 12/26/2023]
Abstract
Motivation Compared to eukaryotes, prokaryote genomes are more diverse through different mechanisms, including a higher mutation rate and horizontal gene transfer. Therefore, using a linear representative reference can cause a reference bias. Graph-based pangenome methods have been developed to tackle this problem. However, comparisons in DNA space are still challenging due to this high diversity. In contrast, amino acid sequences have higher similarity due to evolutionary constraints, whereby a single amino acid may be encoded by several synonymous codons. Coding regions cover the majority of the genome in prokaryotes. Thus, panproteomes present an attractive alternative leveraging the higher sequence similarity while not losing much of the genome in non-coding regions. Results We present PanPA, a method that takes a set of multiple sequence alignments of protein sequences, indexes them, and builds a graph for each multiple sequence alignment. In the querying step, it can align DNA or amino acid sequences back to these graphs. We first showcase that PanPA generates correct alignments on a panproteome from 1350 Escherichia coli. To demonstrate that panproteomes allow comparisons at longer phylogenetic distances, we compare DNA and protein alignments from 1073 Salmonella enterica assemblies against E.coli reference genome, pangenome, and panproteome using BWA, GraphAligner, and PanPA, respectively; with PanPA aligning around 22% more sequences. We also aligned a DNA short-reads whole genome sequencing (WGS) sample from S.enterica against the E.coli reference with BWA and the panproteome with PanPA, where PanPA was able to find alignment for 68% of the reads compared to 5% with BWA. Availalability and implementation PanPA is available at https://github.com/fawaz-dabbaghieh/PanPA.
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Affiliation(s)
- Fawaz Dabbaghie
- Institute for Medical Biometry and Bioinformatics, Medical Faculty and University Hospital Düsseldorf, Heinrich Heine University Düsseldorf, 40225 Düsseldorf, Germany
- Center for Digital Medicine, Heinrich Heine University, 40225 Düsseldorf, Germany
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Center for Infection Research (HZI), Saarbrücken, Germany
| | - Sanjay K Srikakulam
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Center for Infection Research (HZI), Saarbrücken, Germany
- Graduate School of Computer Science, Saarland University, 66123 Saarbrücken, Germany
- Interdisciplinary Graduate School of Natural Product Research, Saarland University, 66123 Saarbrücken, Germany
| | - Tobias Marschall
- Institute for Medical Biometry and Bioinformatics, Medical Faculty and University Hospital Düsseldorf, Heinrich Heine University Düsseldorf, 40225 Düsseldorf, Germany
- Center for Digital Medicine, Heinrich Heine University, 40225 Düsseldorf, Germany
| | - Olga V Kalinina
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Center for Infection Research (HZI), Saarbrücken, Germany
- Drug Bioinformatics, Medical Faculty, Saarland University, 66421 Homburg, Germany
- Center for Bioinformatics, Saarland University, 66123 Saarbrücken, Germany
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Yang J, Zhang K, Ding C, Wang S, Wu W, Liu X. Exploring multidrug-resistant Klebsiella pneumoniae antimicrobial resistance mechanisms through whole genome sequencing analysis. BMC Microbiol 2023; 23:245. [PMID: 37660028 PMCID: PMC10474722 DOI: 10.1186/s12866-023-02974-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 08/08/2023] [Indexed: 09/04/2023] Open
Abstract
BACKGROUND Antibiotic-resistant Klebsiella pneumoniae has emerged as a critical public health threat worldwide. Understanding the antimicrobial resistance mechanisms of multidrug-resistant K. pneumoniae (MDR-Kp) and its prevalence in time and space would provide clinical significance for managing pathogen infection. METHODS Eighteen clinical MDR-Kp strains were analyzed by whole genome sequencing (WGS), and the antimicrobial resistance genes and associated resistance mechanisms were compared with results obtained from the conventional microbiological test (CMT). The sequence homology across strains in our study and those previously collected over time from a wide geographical region was assessed by phylogenetic analysis. RESULTS MDR-Kp strains were collected from eighteen patients who had received empirical treatment before strain collection, with sputum (83.3%, 15/18) being the primary source of clinical samples. The commonly received treatments include β-lactamase inhibitors (55.6%, 10/18) and carbapenems (50%, 9/18). Using CMT, we found that all 18 strains were resistant to aztreonam and ciprofloxacin, while 14 (77.8%) showed resistance to carbapenem. Polymyxin B and tigecycline were the only antibiotics to which MDR-Kp strains were sensitive. A total of 42 antimicrobial resistance mechanisms were identified by WGS, surpassing the 40 detected by the conventional method, with 25 mechanisms shared between the two techniques. Despite a 100% accuracy rate of WGS in detecting penicillin-resistant strains, the accuracy in detecting cephalosporin-resistant strains was only at 60%. Among all resistance genes identified by WGS, Klebsiella pneumoniae carbapenemase-2 (KPC-2) was present in all 14 carbapenem-resistant strains. Phenotypic analysis indicated that sequence type (ST) 11 isolates were the primary cause of these MDR-Kp infections. Additionally, phylogenic clustering analysis, encompassing both the clinical and MDR-Kp strains previously reported in China, revealed four distinct subgroups. No significant difference was observed in the sequence homology between K. pneumoniae strains in our study and those previously collected in East China over time. CONCLUSION The application of WGS in identifying potential antimicrobial-resistant genes of MDR-Kp has demonstrated promising clinical significance. Comprehensive genomic information revealed by WGS holds the promise of guiding treatment decisions, enabling surveillance, and serving as a crucial asset in understanding antibiotic resistance.
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Affiliation(s)
- Jing Yang
- Xuzhou Medical University, Xuzhou, 221004, Jiangsu, China
| | - Kai Zhang
- Clinical Laboratory, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, No. 269, Daxue Road, Tongshan District, Xuzhou, 221002, Jiangsu, China
| | - Chen Ding
- Xuzhou Central Hospital, Xuzhou, 221009, Jiangsu, China
| | - Song Wang
- Dinfectome Inc, Nanjing, 210000, Jiangsu, China
| | - Weiwei Wu
- Dinfectome Inc, Nanjing, 210000, Jiangsu, China
| | - Xiangqun Liu
- Department of Respiratory and Critical Care Medicine, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, No. 269, Daxue Road, Tongshan District, Xuzhou, 221002, Jiangsu, China.
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Draft Genome Sequences of 14 Fluoroquinolone-Resistant Escherichia coli Isolates from Imported Shrimp. Microbiol Resour Announc 2023; 12:e0111622. [PMID: 36856408 PMCID: PMC10112127 DOI: 10.1128/mra.01116-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2023] Open
Abstract
We report the draft genome sequences of 14 fluoroquinolone-resistant Escherichia coli strains that were isolated from imported shrimp. All isolates contained multiple point mutations in the quinolone resistance-determining regions (QRDRs) and non-QRDRs of gyrA, parC, and parE genes. The data improve the understanding of fluoroquinolone resistance and indicate resistance mechanisms.
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Zhang L, Gao F, Ge J, Li H, Xia F, Bai H, Piao X, Shi L. Potential of Aromatic Plant-Derived Essential Oils for the Control of Foodborne Bacteria and Antibiotic Resistance in Animal Production: A Review. Antibiotics (Basel) 2022; 11:1673. [PMID: 36421318 PMCID: PMC9686951 DOI: 10.3390/antibiotics11111673] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/18/2022] [Accepted: 11/18/2022] [Indexed: 07/30/2023] Open
Abstract
Antibiotic resistance has become a severe public threat to human health worldwide. Supplementing antibiotic growth promoters (AGPs) at subtherapeutic levels has been a commonly applied method to improve the production performance of livestock and poultry, but the misuse of antibiotics in animal production plays a major role in the antibiotic resistance crisis and foodborne disease outbreaks. The addition of AGPs to improve production performance in livestock and poultry has been prohibited in some countries, including Europe, the United States and China. Moreover, cross-resistance could result in the development of multidrug resistant bacteria and limit therapeutic options for human and animal health. Therefore, finding alternatives to antibiotics to maintain the efficiency of livestock production and reduce the risk of foodborne disease outbreaks is beneficial to human health and the sustainable development of animal husbandry. Essential oils (EOs) and their individual compounds derived from aromatic plants are becoming increasingly popular as potential antibiotic alternatives for animal production based on their antibacterial properties. This paper reviews recent studies in the application of EOs in animal production for the control of foodborne pathogens, summarizes their molecular modes of action to increase the susceptibility of antibiotic-resistant bacteria, and provides a promising role for the application of nanoencapsulated EOs in animal production to control bacteria and overcome antibiotic resistance.
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Affiliation(s)
- Lianhua Zhang
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- China National Botanical Garden, Beijing 100093, China
| | - Fei Gao
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- China National Botanical Garden, Beijing 100093, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Junwei Ge
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- China National Botanical Garden, Beijing 100093, China
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Hui Li
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- China National Botanical Garden, Beijing 100093, China
| | - Fei Xia
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- China National Botanical Garden, Beijing 100093, China
| | - Hongtong Bai
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- China National Botanical Garden, Beijing 100093, China
| | - Xiangshu Piao
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Lei Shi
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
- China National Botanical Garden, Beijing 100093, China
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7
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Ono T, Taniguchi I, Nakamura K, Nagano DS, Nishida R, Gotoh Y, Ogura Y, Sato MP, Iguchi A, Murase K, Yoshimura D, Itoh T, Shima A, Dubois D, Oswald E, Shiose A, Gotoh N, Hayashi T. Global population structure of the Serratia marcescens complex and identification of hospital-adapted lineages in the complex. Microb Genom 2022; 8:000793. [PMID: 35315751 PMCID: PMC9176281 DOI: 10.1099/mgen.0.000793] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Serratia marcescens is an important nosocomial pathogen causing various opportunistic infections, such as urinary tract infections, bacteremia and sometimes even hospital outbreaks. The recent emergence and spread of multidrug-resistant (MDR) strains further pose serious threats to global public health. This bacterium is also ubiquitously found in natural environments, but the genomic differences between clinical and environmental isolates are not clear, including those between S. marcescens and its close relatives. In this study, we performed a large-scale genome analysis of S. marcescens and closely related species (referred to as the 'S. marcescens complex'), including more than 200 clinical and environmental strains newly sequenced here. Our analysis revealed their phylogenetic relationships and complex global population structure, comprising 14 clades, which were defined based on whole-genome average nucleotide identity. Clades 10, 11, 12 and 13 corresponded to S. nematodiphila, S. marcescens sensu stricto, S. ureilytica and S. surfactantfaciens, respectively. Several clades exhibited distinct genome sizes and GC contents and a negative correlation of these genomic parameters was observed in each clade, which was associated with the acquisition of mobile genetic elements (MGEs), but different types of MGEs, plasmids or prophages (and other integrative elements), were found to contribute to the generation of these genomic variations. Importantly, clades 1 and 2 mostly comprised clinical or hospital environment isolates and accumulated a wide range of antimicrobial resistance genes, including various extended-spectrum β-lactamase and carbapenemase genes, and fluoroquinolone target site mutations, leading to a high proportion of MDR strains. This finding suggests that clades 1 and 2 represent hospital-adapted lineages in the S. marcescens complex although their potential virulence is currently unknown. These data provide an important genomic basis for reconsidering the classification of this group of bacteria and reveal novel insights into their evolution, biology and differential importance in clinical settings.
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Affiliation(s)
- Tomoyuki Ono
- Department of Bacteriology, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, 812-8582, Japan
- Department of Cardiovascular Surgery, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Itsuki Taniguchi
- Department of Bacteriology, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Keiji Nakamura
- Department of Bacteriology, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Debora Satie Nagano
- Department of Bacteriology, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Ruriko Nishida
- Department of Bacteriology, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Yasuhiro Gotoh
- Department of Bacteriology, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Yoshitoshi Ogura
- Division of Microbiology, Department of Infectious Medicine, Kurume University School of Medicine, Asahi-machi, Kurume, Fukuoka, 830-0011, Japan
| | - Mitsuhiko P. Sato
- Department of Bacteriology, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, 812-8582, Japan
- Present address: Department of Frontier Research and Development, Kazusa DNA Research Institute, Kisarazu, Chiba, 292-0818, Japan
| | - Atsushi Iguchi
- Faculty of Agriculture, University of Miyazaki, Miyazaki, Miyazaki, 889-8192, Japan
| | - Kazunori Murase
- Department of Microbiology, Graduate School of Medicine, Kyoto University, Sakyou-ku, Kyoto, 6060-8501, Japan
| | - Dai Yoshimura
- Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Meguro-ku, Tokyo, 152-8550, Japan
| | - Takehiko Itoh
- Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Meguro-ku, Tokyo, 152-8550, Japan
| | - Ayaka Shima
- IRSD, INSERM, ENVT, INRAE, Université de Toulouse, UPS, Toulouse, France
- Present address: Anicon Insurance, Inc., 8-17-1 Nishi-shinjuku, Shinjuku, Tokyo, 160-0023, Japan
| | - Damien Dubois
- IRSD, INSERM, ENVT, INRAE, Université de Toulouse, UPS, Toulouse, France
- CHU Toulouse, Hôpital Purpan, Service de Bactériologie-Hygiène, Toulouse, France
| | - Eric Oswald
- IRSD, INSERM, ENVT, INRAE, Université de Toulouse, UPS, Toulouse, France
- CHU Toulouse, Hôpital Purpan, Service de Bactériologie-Hygiène, Toulouse, France
| | - Akira Shiose
- Department of Cardiovascular Surgery, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Naomasa Gotoh
- Kyoto Pharmaceutical University, Yamashiro, Kyoto, 607-8414, Japan
| | - Tetsuya Hayashi
- Department of Bacteriology, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, 812-8582, Japan
- *Correspondence: Tetsuya Hayashi,
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Millanao AR, Mora AY, Villagra NA, Bucarey SA, Hidalgo AA. Biological Effects of Quinolones: A Family of Broad-Spectrum Antimicrobial Agents. Molecules 2021; 26:7153. [PMID: 34885734 PMCID: PMC8658791 DOI: 10.3390/molecules26237153] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 10/28/2021] [Accepted: 11/05/2021] [Indexed: 11/28/2022] Open
Abstract
Broad antibacterial spectrum, high oral bioavailability and excellent tissue penetration combined with safety and few, yet rare, unwanted effects, have made the quinolones class of antimicrobials one of the most used in inpatients and outpatients. Initially discovered during the search for improved chloroquine-derivative molecules with increased anti-malarial activity, today the quinolones, intended as antimicrobials, comprehend four generations that progressively have been extending antimicrobial spectrum and clinical use. The quinolone class of antimicrobials exerts its antimicrobial actions through inhibiting DNA gyrase and Topoisomerase IV that in turn inhibits synthesis of DNA and RNA. Good distribution through different tissues and organs to treat Gram-positive and Gram-negative bacteria have made quinolones a good choice to treat disease in both humans and animals. The extensive use of quinolones, in both human health and in the veterinary field, has induced a rise of resistance and menace with leaving the quinolones family ineffective to treat infections. This review revises the evolution of quinolones structures, biological activity, and the clinical importance of this evolving family. Next, updated information regarding the mechanism of antimicrobial activity is revised. The veterinary use of quinolones in animal productions is also considered for its environmental role in spreading resistance. Finally, considerations for the use of quinolones in human and veterinary medicine are discussed.
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Affiliation(s)
- Ana R. Millanao
- Facultad de Ciencias, Instituto de Farmacia, Universidad Austral de Chile, Valdivia 5090000, Chile;
| | - Aracely Y. Mora
- Programa de Doctorado en Bioquímica, Universidad de Chile, Santiago 8380544, Chile;
| | - Nicolás A. Villagra
- Escuela de Tecnología Médica, Universidad Andres Bello, Santiago 8370071, Chile;
| | - Sergio A. Bucarey
- Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Santiago 8820808, Chile;
| | - Alejandro A. Hidalgo
- Escuela de Química y Farmacia, Universidad Andres Bello, Santiago 8370071, Chile
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Abstract
Antimicrobial resistance is one of the most serious threats to medical science. Food supply is recognized as a potential source of resistant bacteria, leading to the development of surveillance programs targeting primarily poultry, pork, and beef. These programs are limited in scope, not only in the commodities tested, but also in the organisms targeted (Escherichia coli, Salmonella, and Campylobacter); consequently, neither the breadth of food products available nor the organisms that may harbour clinically relevant and (or) mobile resistance genes are identified. Furthermore, there is an inadequate understanding of how international trade in food products contributes to the global dissemination of resistance. This is despite the recognized role of international travel in disseminating antimicrobial-resistant organisms, notably New Delhi metallo-beta-lactamase. An increasing number of studies describing antimicrobial-resistant organisms in a variety of imported foods are summarized in this review.
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Affiliation(s)
- Dongyun Jung
- Department of Food Science and Agricultural Chemistry, McGill University, Montreal, Quebec, Canada
| | - Beverly J Morrison
- Department of Ecosystem and Public Health, University of Calgary, Calgary, Alberta, Canada
| | - Joseph E Rubin
- Department of Veterinary Microbiology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
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10
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Dynamic Adaptive Response of Pseudomonas aeruginosa to Clindamycin/Rifampicin-Impregnated Catheters. Antibiotics (Basel) 2021; 10:antibiotics10070752. [PMID: 34206280 PMCID: PMC8300626 DOI: 10.3390/antibiotics10070752] [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: 05/26/2021] [Revised: 06/17/2021] [Accepted: 06/18/2021] [Indexed: 11/16/2022] Open
Abstract
Pseudomonas aeruginosa is the most common Gram-negative pathogen causing nosocomial multidrug resistant infections. It is a good biofilm producer and has the potential for contaminating medical devices. Despite the widespread use of antibacterial-impregnated catheters, little is known about the impacts of antibacterial coating on the pathogenesis of P. aeruginosa. In this study, we investigated the adaptive resistance potential of P. aeruginosa strain PAO1 in response to continuous antibiotic exposure from clindamycin/rifampicin-impregnated catheters (CR-IC). During exposure for 144 h to clindamycin and rifampicin released from CR-IC, strain PAO1 formed biofilms featuring elongated and swollen cells. There were 545 and 372 differentially expressed proteins (DEPs) identified in the planktonic and biofilm cells, respectively, by ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS). Both Cluster of Orthologous Groups (COG) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses showed that the planktonic cells responded to the released antibiotics more actively than the biofilm cells, with metabolism and ribosomal biosynthesis-associated proteins being significantly over-expressed. Exposure to CR-IC increased the invasion capability of P. aeruginosa for Hela cells and upregulated the expression of certain groups of virulence proteins in both planktonic and biofilm cells, including the outer membrane associated (flagella, type IV pili and type III secretion system) and extracellular (pyoverdine) virulence proteins. Continuous exposure of P. aeruginosa to CR-IC also induced the overexpression of antibiotic resistance proteins, including porins, efflux pumps, translation and transcription proteins. However, these upregulations did not change phenotypic minimum inhibitory concentration (MIC) during the experimental timeframe. The concerning association between CR-IC and overexpression of virulence factors in P. aeruginosa suggests the need for additional investigation to determine if it results in adverse clinical outcomes.
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Jia J, Guan Y, Li X, Fan X, Zhu Z, Xing H, Wang Z. Phenotype profiles and adaptive preference of Acinetobacter johnsonii isolated from Ba River with different environmental backgrounds. ENVIRONMENTAL RESEARCH 2021; 196:110913. [PMID: 33639142 DOI: 10.1016/j.envres.2021.110913] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 02/02/2021] [Accepted: 02/17/2021] [Indexed: 06/12/2023]
Abstract
Acinetobacter johnsonii is a potentially opportunistic pathogen widely distributed in nosocomial and natural environments, but little attention has been paid to this bacillus. Here A. johnsonii strains from Ba River with different pollution levels were isolated. In this study, we found that the increasing anthropogenic contaminants accounted for the emergence of multidrug-resistant (MDR) A. johnsonii strains. Correlation analysis results showed that the resistance phenotype of strains could be generated by co-selection of heavy metals or non-corresponding antibiotics. The whole genome sequence analysis showed that the relative heavy pollution of water selects strains containing more survival-relevant genes. We found that only some genes like blaOXA-24 were responsible for its corresponding resistance profile. Additionally, the tolerance profiles toward heavy metals also attribute to the expression of efflux pumps rather than corresponding resistance genes. In summary, our finding revealed that the resistance profiles of A. johnsonii could be generated by cross or co-selection of anthropogenic contaminants and mediated by efflux pumps instead of corresponding resistance determinants. Our study also has deep-sight into the adaptive preference of bacteria in natural environments, and contributes to surveillance studies and MDR- A. johnsonii monitoring worldwide.
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Affiliation(s)
- Jia Jia
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yongjing Guan
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Xiangju Li
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Xiaoteng Fan
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Zeliang Zhu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Haoran Xing
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Zaizhao Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China.
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12
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Sharma L, Nagpal R, Jackson CR, Patel D, Singh P. Antibiotic-resistant bacteria and gut microbiome communities associated with wild-caught shrimp from the United States versus imported farm-raised retail shrimp. Sci Rep 2021; 11:3356. [PMID: 33558614 PMCID: PMC7870836 DOI: 10.1038/s41598-021-82823-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 01/22/2021] [Indexed: 01/30/2023] Open
Abstract
In the United States, farm-raised shrimp accounts for ~ 80% of the market share. Farmed shrimp are cultivated as monoculture and are susceptible to infections. The aquaculture industry is dependent on the application of antibiotics for disease prevention, resulting in the selection of antibiotic-resistant bacteria. We aimed to characterize the prevalence of antibiotic-resistant bacteria and gut microbiome communities in commercially available shrimp. Thirty-one raw and cooked shrimp samples were purchased from supermarkets in Florida and Georgia (U.S.) between March-September 2019. The samples were processed for the isolation of antibiotic-resistant bacteria, and isolates were characterized using an array of molecular and antibiotic susceptibility tests. Aerobic plate counts of the cooked samples (n = 13) varied from < 25 to 6.2 log CFU/g. Isolates obtained (n = 110) were spread across 18 genera, comprised of coliforms and opportunistic pathogens. Interestingly, isolates from cooked shrimp showed higher resistance towards chloramphenicol (18.6%) and tetracycline (20%), while those from raw shrimp exhibited low levels of resistance towards nalidixic acid (10%) and tetracycline (8.2%). Compared to wild-caught shrimp, the imported farm-raised shrimp harbored distinct gut microbiota communities and a higher prevalence of antibiotic-resistance genes in their gut. The presence of antibiotic-resistant strains in cooked shrimps calls for change in processing for their mitigation.
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Affiliation(s)
- Laxmi Sharma
- grid.255986.50000 0004 0472 0419Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, FL 32306 USA
| | - Ravinder Nagpal
- grid.255986.50000 0004 0472 0419Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, FL 32306 USA
| | - Charlene R. Jackson
- grid.463419.d0000 0001 0946 3608Bacterial Epidemiology and Antimicrobial Resistance Research Unit, U.S. Department of Agriculture Agricultural Research Service, Athens, GA USA
| | - Dhruv Patel
- grid.255986.50000 0004 0472 0419Department of Biological Sciences, Florida State University, Tallahassee, FL USA
| | - Prashant Singh
- grid.255986.50000 0004 0472 0419Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, FL 32306 USA
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13
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Azargun R, Sadeghi V, Leylabadlo HE, Alizadeh N, Ghotaslou R. Molecular mechanisms of fluoroquinolone resistance in Enterobacteriaceae clinical isolates in Azerbaijan, Iran. GENE REPORTS 2020. [DOI: 10.1016/j.genrep.2020.100924] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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14
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Piza-Buitrago A, Rincón V, Donato J, Saavedra SY, Duarte C, Morero J, Falquet L, Reguero MT, Barreto-Hernández E. Genome-based characterization of two Colombian clinical Providencia rettgeri isolates co-harboring NDM-1, VIM-2, and other β-lactamases. BMC Microbiol 2020; 20:345. [PMID: 33183231 PMCID: PMC7664025 DOI: 10.1186/s12866-020-02030-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Accepted: 11/02/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Providencia rettgeri is a nosocomial pathogen associated with urinary tract infections and related to Healthcare-Associated Infection (HAI). In recent years isolates producing New Delhi Metallo-β-lactamase (NDM) and other β-lactamases have been reported that reduce the efficiency of clinical antimicrobial treatments. In this study, we analyzed antibiotic resistance, the presence of resistance genes and the clonal relationship of two P. rettgeri isolates obtained from male patients admitted to the same hospital in Bogotá - Colombia, 2015. RESULTS Antibiotic susceptibility profile evaluated by the Kirby-Bauer method revealed that both isolates were resistant to third-generation carbapenems and cephalosporins. Whole-genome sequencing (Illumina HiSeq) followed by SPAdes assembling, Prokka annotation in combination with an in-house Python program and resistance gene detection by ResFinder identified the same six β-lactamase genes in both isolates: blaNDM-1, blaVIM-2, blaCTX-M-15, blaOXA-10, blaCMY-2 and blaTEM-1. Additionally, various resistance genes associated with antibiotic target alteration (arnA, PmrE, PmrF, LpxA, LpxC, gyrB, folP, murA, rpoB, rpsL, tet34) were found and four efflux pumps (RosAB, EmrD, mdtH and cmlA). The additional resistance to gentamicin in one of the two isolates could be explained by a detected SNP in CpxA (Cys191Arg) which is involved in the stress response of the bacterial envelope. Genome BLAST comparison using CGView, the ANI value (99.99%) and the pangenome (using Roary) phylogenetic tree (same clade, small distance) showed high similarity between the isolates. The rMLST analysis indicated that both isolates were typed as rST-61,696, same as the RB151 isolate previously isolated in Bucaramanga, Colombia, 2013, and the FDAARGOS_330 isolate isolated in the USA, 2015. CONCLUSIONS We report the coexistence of the carbapenemase genes blaNDM-1, and blaVIM-2, together with the β-lactamase genes blaCTX-M-15, blaOXA-10, blaCMY-2 and blaTEM-1, in P. rettgeri isolates from two patients in Colombia. Whole-genome sequence analysis indicated a circulation of P. rettgeri rST-61,696 strains in America that needs to be investigated further.
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Affiliation(s)
- Adriana Piza-Buitrago
- Bioinformatics Group, Biotechnology Institute, Universidad Nacional de Colombia, Bogotá, Colombia
- Molecular Epidemiology Laboratory, Biotechnology Institute, Universidad Nacional de Colombia, Bogotá, Colombia
| | - Verónica Rincón
- Bioinformatics Group, Biotechnology Institute, Universidad Nacional de Colombia, Bogotá, Colombia
- Molecular Epidemiology Laboratory, Biotechnology Institute, Universidad Nacional de Colombia, Bogotá, Colombia
| | - John Donato
- Bioinformatics Group, Biotechnology Institute, Universidad Nacional de Colombia, Bogotá, Colombia
- Molecular Epidemiology Laboratory, Biotechnology Institute, Universidad Nacional de Colombia, Bogotá, Colombia
| | | | - Carolina Duarte
- Grupo de Microbiología, Instituto Nacional de Salud, Bogotá, Colombia
| | - Jaime Morero
- Grupo de Microbiología, Instituto Nacional de Salud, Bogotá, Colombia
| | - Laurent Falquet
- Biochemistry/Bioinformatics Unit, Université de Fribourg and Swiss Institute of Bioinformatics, Fribourg, Switzerland
| | - María Teresa Reguero
- Bioinformatics Group, Biotechnology Institute, Universidad Nacional de Colombia, Bogotá, Colombia
- Molecular Epidemiology Laboratory, Biotechnology Institute, Universidad Nacional de Colombia, Bogotá, Colombia
| | - Emiliano Barreto-Hernández
- Bioinformatics Group, Biotechnology Institute, Universidad Nacional de Colombia, Bogotá, Colombia.
- Molecular Epidemiology Laboratory, Biotechnology Institute, Universidad Nacional de Colombia, Bogotá, Colombia.
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15
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Zhu D, Zheng M, Xu J, Wang M, Jia R, Chen S, Liu M, Zhao X, Yang Q, Wu Y, Zhang S, Huang J, Liu Y, Zhang L, Yu Y, Pan L, Chen X, Cheng A. Prevalence of fluoroquinolone resistance and mutations in the gyrA, parC and parE genes of Riemerella anatipestifer isolated from ducks in China. BMC Microbiol 2019; 19:271. [PMID: 31795952 PMCID: PMC6892153 DOI: 10.1186/s12866-019-1659-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Accepted: 11/22/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Riemerella anatipestifer is one of the most serious infectious disease-causing pathogens in the duck industry. Drug administration is an important method for prevention and treatment of infection in duck production, leading to widespread drug resistance in R. anatipestifer. METHODS For a total of 162 isolates of R. anatipestifer, the MICs were determined for a quinolone antimicrobial agent, namely, nalidixic acid, and three fluoroquinolones, namely, ciprofloxacin, enrofloxacin and ofloxacin. The gyrA, parC, and parE gene fragments were amplified by PCR to identify the mutation sites in these strains. Site-directed mutants with mutations that were detected at a high frequency in vivo were constructed (hereafter referred to as site-directed in vivo mutants), and the MICs of these four drugs for these strains were determined. RESULTS In total, 100, 97.8, 99.3 and 97.8% of the 137 R. anatipestifer strains isolated between 2013 and 2018 showed resistance to nalidixic acid, ciprofloxacin, enrofloxacin, and ofloxacin, respectively. The high-frequency mutation sites were detected in a total of 162 R. anatipestifer strains, such as Ser83Ile and Ser83Arg, which are two types of substitution mutations of amino acid 83 in GyrA; Val799Ala and Ile811Val in ParC; and Val357Ile, His358Tyr, and Arg541Lys in ParE. MIC analysis results for the site-directed in vivo mutants showed that the strains with only the Ser83Ile mutation in GyrA exhibited an 8-16-fold increase in MIC values, and all mutants showed resistance to ampicillin and ceftiofur. CONCLUSIONS The resistance of R. anatipestifer to quinolone agents is a serious problem. Amino acid 83 in GyrA is the major target mutation site for the fluoroquinolone resistance mechanism of R. anatipestifer.
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Affiliation(s)
- Dekang Zhu
- Research Center of Avian Diseases, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan, China
| | - Mingyu Zheng
- Research Center of Avian Diseases, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan, China
| | - Jinge Xu
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Mingshu Wang
- Research Center of Avian Diseases, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan, China.,Guizhou Animal Husbandry and Veterinary Research Institute, Guiyang, Guizhou, China
| | - Renyong Jia
- Research Center of Avian Diseases, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan, China.,Guizhou Animal Husbandry and Veterinary Research Institute, Guiyang, Guizhou, China
| | - Shun Chen
- Research Center of Avian Diseases, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan, China.,Guizhou Animal Husbandry and Veterinary Research Institute, Guiyang, Guizhou, China
| | - Mafeng Liu
- Research Center of Avian Diseases, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan, China.,Guizhou Animal Husbandry and Veterinary Research Institute, Guiyang, Guizhou, China
| | - Xinxin Zhao
- Research Center of Avian Diseases, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan, China.,Guizhou Animal Husbandry and Veterinary Research Institute, Guiyang, Guizhou, China
| | - Qiao Yang
- Research Center of Avian Diseases, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan, China.,Guizhou Animal Husbandry and Veterinary Research Institute, Guiyang, Guizhou, China
| | - Ying Wu
- Research Center of Avian Diseases, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan, China.,Guizhou Animal Husbandry and Veterinary Research Institute, Guiyang, Guizhou, China
| | - Shaqiu Zhang
- Research Center of Avian Diseases, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan, China.,Guizhou Animal Husbandry and Veterinary Research Institute, Guiyang, Guizhou, China
| | - Juan Huang
- Research Center of Avian Diseases, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan, China.,Guizhou Animal Husbandry and Veterinary Research Institute, Guiyang, Guizhou, China
| | - Yunya Liu
- Research Center of Avian Diseases, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China.,Guizhou Animal Husbandry and Veterinary Research Institute, Guiyang, Guizhou, China
| | - Ling Zhang
- Research Center of Avian Diseases, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China.,Guizhou Animal Husbandry and Veterinary Research Institute, Guiyang, Guizhou, China
| | - Yanling Yu
- Research Center of Avian Diseases, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China.,Guizhou Animal Husbandry and Veterinary Research Institute, Guiyang, Guizhou, China
| | - Leichang Pan
- Research Center of Avian Diseases, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China.,Guizhou Animal Husbandry and Veterinary Research Institute, Guiyang, Guizhou, China
| | - Xiaoyue Chen
- Research Center of Avian Diseases, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan, China
| | - Anchun Cheng
- Research Center of Avian Diseases, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, China. .,Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan, China. .,Guizhou Animal Husbandry and Veterinary Research Institute, Guiyang, Guizhou, China.
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16
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Dellgren L, Claesson C, Högdahl M, Forsberg J, Hanberger H, Nilsson LE, Hällgren A. Phenotypic screening for quinolone resistance in Escherichia coli. Eur J Clin Microbiol Infect Dis 2019; 38:1765-1771. [PMID: 31214796 PMCID: PMC6695352 DOI: 10.1007/s10096-019-03608-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Accepted: 06/03/2019] [Indexed: 01/27/2023]
Abstract
Recent studies show that rectal colonization with low-level ciprofloxacin-resistant Escherichia coli (ciprofloxacin minimal inhibitory concentration (MIC) above the epidemiological cutoff point, but below the clinical breakpoint for resistance), i.e., in the range > 0.06-0.5 mg/L is an independent risk factor for febrile urinary tract infection after transrectal ultrasound-guided biopsy (TRUS-B) of the prostate, adding to the other risk posed by established ciprofloxacin resistance in E. coli (MIC > 0.5 mg/L) as currently defined. We aimed to identify the quinolone that by disk diffusion best discriminates phenotypic wild-type isolates (ciprofloxacin MIC ≤ 0.06 mg/L) of E. coli from isolates with acquired resistance, and to determine the resistance genotype of each isolate. The susceptibility of 108 E. coli isolates was evaluated by ciprofloxacin, levofloxacin, moxifloxacin, nalidixic acid, and pefloxacin disk diffusion and correlated to ciprofloxacin MIC (broth microdilution) using EUCAST methodology. Genotypic resistance was identified by PCR and DNA sequencing. The specificity was 100% for all quinolone disks. Sensitivity varied substantially, as follows: ciprofloxacin 59%, levofloxacin 46%, moxifloxacin 59%, nalidixic acid 97%, and pefloxacin 97%. We suggest that in situations where low-level quinolone resistance might be of importance, such as when screening for quinolone resistance in fecal samples pre-TRUS-B, a pefloxacin (S ≥ 24 mm) or nalidixic acid (S ≥ 19 mm) disk, or a combination of the two, should be used. In a setting where plasmid-mediated resistance is prevalent, pefloxacin might perform better than nalidixic acid.
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Affiliation(s)
- Linus Dellgren
- Department of Infectious Diseases, Linköping University, Linköping, Sweden.,Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
| | - Carina Claesson
- Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden.,Department of Clinical Microbiology, Linköping University, Linköping, Sweden
| | - Marie Högdahl
- Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden.,Department of Clinical Microbiology, Linköping University, Linköping, Sweden
| | - Jon Forsberg
- Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden.,Department of Urology, Linköping University, Linköping, Sweden
| | - Håkan Hanberger
- Department of Infectious Diseases, Linköping University, Linköping, Sweden.,Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
| | - Lennart E Nilsson
- Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
| | - Anita Hällgren
- Department of Infectious Diseases, Linköping University, Linköping, Sweden. .,Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden.
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17
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Cheng H, Jiang H, Fang J, Zhu C. Antibiotic Resistance and Characteristics of Integrons in Escherichia coli Isolated from Penaeus vannamei at a Freshwater Shrimp Farm in Zhejiang Province, China. J Food Prot 2019; 82:470-478. [PMID: 30806555 DOI: 10.4315/0362-028x.jfp-18-444] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Our study was conducted to investigate the antibiotic susceptibility profiles, integrons and their associated gene cassettes (GCs), and insertion sequence common regions of Escherichia coli isolates from Penaeus vannamei collected at a large-scale freshwater shrimp farm in Zhejiang Province, People's Republic of China. A total of 182 E. coli isolates were identified from 200 samples. With the exception of imipenem, isolates were most commonly resistant to β-lactams, followed by tetracylines and sulfonamides. Fifty-two (28.6%) E. coli isolates were classified as multidrug resistant, and the patterns were highly diverse, with 29 types represented. The multiple-antibiotic resistance indices of the isolates were 0.17 to 0.56; 9.3% (17) of the 182 isolates were positive for class 1 integrons, 0.5% (1 isolate) was positive for class 2 integrons, and an insertion sequence common region 1 element was found upstream of the intI1 (integrase) gene in one of the intI1-positive isolates. Four GC arrays were detected in class 1 integrons, and one GC array was detected in class 2 integrons. Although the overall prevalence of antimicrobial-resistant bacteria in P. vannamei was lower than that previously reported for poultry and livestock farms in China, concerns about the inappropriate use of antibiotics and the transmission of antimicrobial-resistant bacteria in aquaculture were raised. Alternative approaches to reducing or replacing the use of antibiotics should be further studied.
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Affiliation(s)
- Hui Cheng
- Key Laboratory of Marine Food Quality and Hazard Controlling Technology of Zhejiang Province, College of Life Sciences, China Jiliang University, Hangzhou, Zhejiang 310018, People's Republic of China
| | - Han Jiang
- Key Laboratory of Marine Food Quality and Hazard Controlling Technology of Zhejiang Province, College of Life Sciences, China Jiliang University, Hangzhou, Zhejiang 310018, People's Republic of China
| | - Jiehong Fang
- Key Laboratory of Marine Food Quality and Hazard Controlling Technology of Zhejiang Province, College of Life Sciences, China Jiliang University, Hangzhou, Zhejiang 310018, People's Republic of China
| | - Cheng Zhu
- Key Laboratory of Marine Food Quality and Hazard Controlling Technology of Zhejiang Province, College of Life Sciences, China Jiliang University, Hangzhou, Zhejiang 310018, People's Republic of China
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18
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Zankari E, Allesøe R, Joensen KG, Cavaco LM, Lund O, Aarestrup FM. PointFinder: a novel web tool for WGS-based detection of antimicrobial resistance associated with chromosomal point mutations in bacterial pathogens. J Antimicrob Chemother 2018; 72:2764-2768. [PMID: 29091202 PMCID: PMC5890747 DOI: 10.1093/jac/dkx217] [Citation(s) in RCA: 483] [Impact Index Per Article: 80.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Accepted: 06/07/2017] [Indexed: 11/23/2022] Open
Abstract
Background Antibiotic resistance is a major health problem, as drugs that were once highly effective no longer cure bacterial infections. WGS has previously been shown to be an alternative method for detecting horizontally acquired antimicrobial resistance genes. However, suitable bioinformatics methods that can provide easily interpretable, accurate and fast results for antimicrobial resistance associated with chromosomal point mutations are still lacking. Methods Phenotypic antimicrobial susceptibility tests were performed on 150 isolates covering three different bacterial species: Salmonella enterica, Escherichia coli and Campylobacter jejuni. The web-server ResFinder-2.1 was used to identify acquired antimicrobial resistance genes and two methods, the novel PointFinder (using BLAST) and an in-house method (mapping of raw WGS reads), were used to identify chromosomal point mutations. Results were compared with phenotypic antimicrobial susceptibility testing results. Results A total of 685 different phenotypic tests associated with chromosomal resistance to quinolones, polymyxin, rifampicin, macrolides and tetracyclines resulted in 98.4% concordance. Eleven cases of disagreement between tested and predicted susceptibility were observed: two C. jejuni isolates with phenotypic fluoroquinolone resistance and two with phenotypic erythromycin resistance and five colistin-susceptible E. coli isolates with a detected pmrB V161G mutation when assembled with Velvet, but not when using SPAdes or when mapping the reads. Conclusions PointFinder proved, with high concordance between phenotypic and predicted antimicrobial susceptibility, to be a user-friendly web tool for detection of chromosomal point mutations associated with antimicrobial resistance.
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Affiliation(s)
- Ea Zankari
- National Food Institute, Technical University of Denmark, 2800 Kgs Lyngby, Denmark.,Center for Biological Sequence Analysis, Department of Systems Biology, Technical University of Denmark, 2800 Kgs Lyngby, Denmark
| | - Rosa Allesøe
- Center for Biological Sequence Analysis, Department of Systems Biology, Technical University of Denmark, 2800 Kgs Lyngby, Denmark
| | - Katrine G Joensen
- Department of Microbiology and Infection Control, Statens Serum Institut, Copenhagen, Denmark
| | - Lina M Cavaco
- National Food Institute, Technical University of Denmark, 2800 Kgs Lyngby, Denmark
| | - Ole Lund
- Center for Biological Sequence Analysis, Department of Systems Biology, Technical University of Denmark, 2800 Kgs Lyngby, Denmark
| | - Frank M Aarestrup
- National Food Institute, Technical University of Denmark, 2800 Kgs Lyngby, Denmark
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19
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Saeb ATM, Al-Rubeaan KA, Abouelhoda M, Selvaraju M, Tayeb HT. Genome sequencing and analysis of the first spontaneous Nanosilver resistant bacterium Proteus mirabilis strain SCDR1. Antimicrob Resist Infect Control 2017; 6:119. [PMID: 29204271 PMCID: PMC5701452 DOI: 10.1186/s13756-017-0277-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Accepted: 11/09/2017] [Indexed: 11/10/2022] Open
Abstract
Background P. mirabilis is a common uropathogenic bacterium that can cause major complications in patients with long-standing indwelling catheters or patients with urinary tract anomalies. In addition, P. mirabilis is a common cause of chronic osteomyelitis in Diabetic foot ulcer (DFU) patients. We isolated P. mirabilis SCDR1 from a Diabetic ulcer patient. We examined P. mirabilis SCDR1 levels of resistance against Nanosilver colloids, the commercial Nanosilver and silver containing bandages and commonly used antibiotics. We utilized next generation sequencing techniques (NGS), bioinformatics, phylogenetic analysis and pathogenomics in the characterization of the infectious pathogen. Results P. mirabilis SCDR1 was the first Nanosilver resistant isolate collected from a diabetic patient polyclonal infection. P. mirabilis SCDR1 showed high levels of resistance against Nanosilver colloids, Nanosilver chitosan composite and the commercially available Nanosilver and silver bandages. The P. mirabilis -SCDR1 genome size is 3,815,621 bp. with G + C content of 38.44%. P. mirabilis-SCDR1 genome contains a total of 3533 genes, 3414 coding DNA sequence genes, 11, 10, 18 rRNAs (5S, 16S, and 23S), and 76 tRNAs. Our isolate contains all the required pathogenicity and virulence factors to establish a successful infection. P. mirabilis SCDR1 isolate is a potential virulent pathogen that despite its original isolation site, the wound, can establish kidney infection and its associated complications. P. mirabilis SCDR1 contains several mechanisms for antibiotics and metals resistance, including, biofilm formation, swarming mobility, efflux systems, and enzymatic detoxification. Conclusion P. mirabilis SCDR1 is the first reported spontaneous Nanosilver resistant bacterial strain. P. mirabilis SCDR1 possesses several mechanisms that may lead to the observed Nanosilver resistance. Electronic supplementary material The online version of this article (10.1186/s13756-017-0277-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Amr T M Saeb
- Genetics and Biotechnology Department, Strategic Center for Diabetes Research, College of medicine, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Khalid A Al-Rubeaan
- Genetics and Biotechnology Department, Strategic Center for Diabetes Research, College of medicine, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Mohamed Abouelhoda
- Genetics Department, King Faisal Specialist Hospital and Research Center, Riyadh, Kingdom of Saudi Arabia.,Saudi Human Genome Project, King Abdulaziz City for Science and Technology (KACST), Riyadh, Kingdom of Saudi Arabia
| | - Manojkumar Selvaraju
- Saudi Human Genome Project, King Abdulaziz City for Science and Technology (KACST), Riyadh, Kingdom of Saudi Arabia.,Integrated Gulf Biosystems, Riyadh, Kingdom of Saudi Arabia
| | - Hamsa T Tayeb
- Genetics Department, King Faisal Specialist Hospital and Research Center, Riyadh, Kingdom of Saudi Arabia.,Saudi Human Genome Project, King Abdulaziz City for Science and Technology (KACST), Riyadh, Kingdom of Saudi Arabia
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Nayme K, Barguigua A, Bouchrif B, Karraouan B, El Otmani F, Elmdaghri N, Zerouali K, Timinouni M. Genotypic characterization of quinolone resistant-Escherichia coli isolates from retail food in Morocco. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2017; 52:107-114. [PMID: 28099089 DOI: 10.1080/03601234.2016.1239985] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2016] [Accepted: 08/24/2016] [Indexed: 06/06/2023]
Abstract
This study was conducted to assess the retail food as a possible vehicle for antimicrobial resistant, particularly quinolones resistant and pathogenic Escherichia coli. We determined the prevalence and characteristics of nalidixic acid (Nal) resistant E. coli isolates from diverse retail food samples. In all, 70 (28%) of 250 E. coli isolates studied were Nal-resistant E. coli and 91% of these were multi-drug resistant. Plasmid mediated quinolone resistance genes were identified in 32 isolates, including aac(6')-Ib-cr (n = 16), qnrS1 (n = 11) and qnrB19 (n = 7). Mutations in gyr A and par C genes were detected among 80% of the isolates, and the isolates showed substitution Ser83-Leu and Asp87-Asn in gyrA and Ser80-Ile in parC. In addition, three different gene cassettes were identified (aadA1, aadA7, aac(3)-Id) in 18%. Virulence-associated genes stx1, eae, sfa, hlyA and stx2 were found in six (8%), three (4%), two (3%), three (4%) and three (4%) isolates, respectively. E. coli isolates of phylogenetic group A were dominant (64%, 45/70). Pulsed field gel electrophoresis revealed none epidemiological relationship between these isolates. The results of this work report the higher frequency of Nal-resistant E. coli isolates from Moroccan retail food samples including MDR and pathogenic isolates.
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Affiliation(s)
- Kaotar Nayme
- a Molecular Bacteriology Laboratory, Institut Pasteur du Maroc , Casablanca , Morocco
- b Microbiology Laboratory, Faculty of Medicine and Pharmacy, University Hassan II , Casablanca , Morocco
| | - Abouddihaj Barguigua
- c Faculty of Medicine and Pharmacy, University Sultan Moulay Slimane , Beni Mellal , Morocco
| | - Brahim Bouchrif
- d Food Microbiology Laboratory, Institut Pasteur du Maroc , Casablanca , Morocco
| | - Bouchra Karraouan
- e Microbiology, Health and Environment Team Research, Department of Biology , Faculty of Sciences, ChouaibDoukkali University , El Jadida , Morocco
| | | | - Naima Elmdaghri
- a Molecular Bacteriology Laboratory, Institut Pasteur du Maroc , Casablanca , Morocco
- b Microbiology Laboratory, Faculty of Medicine and Pharmacy, University Hassan II , Casablanca , Morocco
- f University Hospital Center Ibn Rochd , Casablanca , Morocco
| | - Khalid Zerouali
- b Microbiology Laboratory, Faculty of Medicine and Pharmacy, University Hassan II , Casablanca , Morocco
- f University Hospital Center Ibn Rochd , Casablanca , Morocco
| | - Mohammed Timinouni
- a Molecular Bacteriology Laboratory, Institut Pasteur du Maroc , Casablanca , Morocco
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21
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In vitro assessment of the antimicrobial susceptibility of caprine isolates of Mycoplasma mycoides subsp. capri. Vet J 2016; 214:96-101. [DOI: 10.1016/j.tvjl.2016.05.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Revised: 05/13/2016] [Accepted: 05/14/2016] [Indexed: 11/17/2022]
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Knowles M, Lambert D, Huszczynski G, Gauthier M, Blais BW. PCR for the Specific Detection of an Escherichia coli O157:H7 Laboratory Control Strain. J Food Prot 2015; 78:1738-44. [PMID: 26319729 DOI: 10.4315/0362-028x.jfp-15-147] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Control strains of bacterial pathogens such as Escherichia coli O157:H7 are commonly processed in parallel with test samples in food microbiology laboratories as a quality control measure to assure the satisfactory performance of materials used in the analytical procedure. Before positive findings can be reported for risk management purposes, analysts must have a means of verifying that pathogenic bacteria (e.g., E. coli O157:H7) recovered from test samples are not due to inadvertent contamination with the control strain routinely handled in the laboratory environment. Here, we report on the application of an in-house bioinformatic pipeline for the identification of unique genomic signature sequences in the development of specific oligonucleotide primers enabling the identification of a common positive control strain, E. coli O157:H7 (ATCC 35150), using a simple PCR procedure.
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Affiliation(s)
- Michael Knowles
- Research and Development Section, Ottawa Laboratory (Carling), Canadian Food Inspection Agency, Ottawa, Ontario, Canada K1A 0Y9
| | - Dominic Lambert
- Research and Development Section, Ottawa Laboratory (Carling), Canadian Food Inspection Agency, Ottawa, Ontario, Canada K1A 0Y9
| | - George Huszczynski
- Research and Development Section, Ottawa Laboratory (Carling), Canadian Food Inspection Agency, Ottawa, Ontario, Canada K1A 0Y9
| | - Martine Gauthier
- Research and Development Section, Ottawa Laboratory (Carling), Canadian Food Inspection Agency, Ottawa, Ontario, Canada K1A 0Y9
| | - Burton W Blais
- Research and Development Section, Ottawa Laboratory (Carling), Canadian Food Inspection Agency, Ottawa, Ontario, Canada K1A 0Y9.
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