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Habib I, Mohamed MYI, Lakshmi GB, Ghazawi A, Khan M, Abdalla A, Anes F. High prevalence and genomic features of multidrug-resistant Salmonella enterica isolated from chilled broiler chicken on retail sale in the United Arab Emirates. Int J Food Microbiol 2024; 423:110828. [PMID: 39032201 DOI: 10.1016/j.ijfoodmicro.2024.110828] [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: 04/30/2024] [Revised: 06/22/2024] [Accepted: 07/15/2024] [Indexed: 07/22/2024]
Abstract
Non-typhoidal Salmonella represents a significant global concern for food safety and One Health. Despite the United Arab Emirates (UAE) being a leading consumer of chicken meat globally, there is a lack of comprehensive understanding regarding the prevalence and genomic characteristics of Salmonella within the country. This study aims to address this gap by conducting a thorough analysis of Salmonella prevalence, antimicrobial resistance, and genomic profiles of isolates obtained from whole broiler carcasses retailed under chilled conditions in the UAE. Our findings reveal that Salmonella was detected in 41.2 % (130/315) of the sampled chilled broiler carcasses, with notable variability observed among samples sourced from six different companies. Phenotypic antimicrobial resistance (AMR) testing, among 105 isolates, highlighted high resistance rates to tetracycline (97.1 %), nalidixic acid (93.3 %), ampicillin (92.4 %), azithromycin (75.2 %), ciprofloxacin (63.8 %), and ceftriaxone (54.3 %). Furthermore, a concerning 99 % (104/105) of the isolates exhibited multidrug resistance. Whole-genome sequencing (WGS) of 60 isolates identified five serovars, with S. infantis/Sequence Type (ST) 32 (55 %) and S. Minnesota/ST-458 (28.3 %) being the most prevalent. WGS analysis unveiled 34 genes associated with antimicrobial resistance, including mcr-1.1 (only in two isolates), conferring resistance to colistin. The two major serovars, Infantis and Minnesota, exhibited significant variation (P-values <0.001) in the distribution of major AMR genes (aadA1, blaCMY-2, blaSHV-12, qnrB19, qnrS1, sul1, and sul2). Notably, the gene qacEdelta, conferring resistance to quaternary ammonium compounds commonly found in disinfectants, was universally present in all S. Infantis isolates (n = 33), compared to only one S. Minnesota isolate. Additionally, all S. Infantis isolates harbored the IncFIB (pN55391) plasmid replicon type. Major serovars exhibited distinct distributions of antimicrobial resistance genes, underscoring the importance of serovar-specific surveillance. These findings emphasize the critical need for continuous surveillance and intervention measures to address Salmonella contamination risks in poultry products, providing valuable insights for public health and regulatory strategies not only in the UAE but also globally.
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Affiliation(s)
- Ihab Habib
- Veterinary Public Health Research Laboratory, Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, United Arab Emirates University, Al Ain, P.O. Box 1555, United Arab Emirates; ASPIRE Research Institute for Food Security in the Drylands (ARIFSID), United Arab Emirates University, Al Ain, P.O. Box 15551, United Arab Emirates.
| | - Mohamed-Yousif Ibrahim Mohamed
- Veterinary Public Health Research Laboratory, Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, United Arab Emirates University, Al Ain, P.O. Box 1555, United Arab Emirates; ASPIRE Research Institute for Food Security in the Drylands (ARIFSID), United Arab Emirates University, Al Ain, P.O. Box 15551, United Arab Emirates
| | - Glindya Bhagya Lakshmi
- Veterinary Public Health Research Laboratory, Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, United Arab Emirates University, Al Ain, P.O. Box 1555, United Arab Emirates; ASPIRE Research Institute for Food Security in the Drylands (ARIFSID), United Arab Emirates University, Al Ain, P.O. Box 15551, United Arab Emirates
| | - Akela Ghazawi
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, P.O. Box 1555, United Arab Emirates
| | - Mushtaq Khan
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, P.O. Box 1555, United Arab Emirates
| | - Afra Abdalla
- Veterinary Public Health Research Laboratory, Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, United Arab Emirates University, Al Ain, P.O. Box 1555, United Arab Emirates; ASPIRE Research Institute for Food Security in the Drylands (ARIFSID), United Arab Emirates University, Al Ain, P.O. Box 15551, United Arab Emirates
| | - Febin Anes
- Veterinary Public Health Research Laboratory, Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, United Arab Emirates University, Al Ain, P.O. Box 1555, United Arab Emirates
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Iduu NV, Raiford D, Conley A, Scaria J, Nelson J, Ruesch L, Price S, Yue M, Gong J, Wei L, Wang C. A Retrospective Analysis of Salmonella Isolates across 11 Animal Species (1982-1999) Led to the First Identification of Chromosomally Encoded blaSCO-1 in the USA. Microorganisms 2024; 12:528. [PMID: 38543579 PMCID: PMC10974302 DOI: 10.3390/microorganisms12030528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 02/29/2024] [Accepted: 03/04/2024] [Indexed: 04/01/2024] Open
Abstract
Antimicrobial resistance (AMR) in non-typhoidal Salmonella is a pressing public health concern in the United States, necessitating continuous surveillance. We conducted a retrospective analysis of 251 Salmonella isolates from 11 animal species recovered between 1982 and 1999, utilizing serotyping, antimicrobial susceptibility testing, and whole-genome sequencing (WGS). Phenotypic resistance was observed in 101 isolates, with S. Typhimurium, S. Dublin, S. Agona, and S. Muenster prevailing among 36 identified serovars. Notably, resistance to 12 of 17 antibiotics was detected, with ampicillin being most prevalent (79/251). We identified 38 resistance genes, primarily mediating aminoglycoside (n = 13) and β-lactamase (n = 6) resistance. Plasmid analysis unveiled nine distinct plasmids associated with AMR genes in these isolates. Chromosomally encoded blaSCO-1 was present in three S. Typhimurium and two S. Muenster isolates from equine samples, conferring resistance to amoxicillin/clavulanic acid. Phylogenetic analysis revealed three distinct clusters for these five isolates, indicating evolutionary divergence. This study represents the first report of blaSCO-1 in the USA, and our recovered isolates harboring this gene as early as 1989 precede those of all other reports. The enigmatic nature of blaSCO-1 prompts further research into its function. Our findings highlight the urgency of addressing antimicrobial resistance in Salmonella for effective public health interventions.
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Affiliation(s)
- Nneka Vivian Iduu
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (N.V.I.); (D.R.); (S.P.)
| | - Donna Raiford
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (N.V.I.); (D.R.); (S.P.)
| | - Austin Conley
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (N.V.I.); (D.R.); (S.P.)
| | - Joy Scaria
- Department of Veterinary Pathobiology, Stillwater, Oklahoma State University, Stillwater, OK 74078, USA;
| | - Julie Nelson
- Department of Veterinary & Biomedical Sciences, South Dakota State University, Brookings, SD 57007, USA; (J.N.); (L.R.)
| | - Laura Ruesch
- Department of Veterinary & Biomedical Sciences, South Dakota State University, Brookings, SD 57007, USA; (J.N.); (L.R.)
| | - Stuart Price
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (N.V.I.); (D.R.); (S.P.)
| | - Min Yue
- Department of Veterinary Medicine, Zhejiang University, Hangzhou 310027, China
| | - Jiansen Gong
- Poultry Institute, Chinese Academy of Agricultural Sciences, Yangzhou 225125, China;
| | - Lanjing Wei
- Bioengineering Program, The University of Kansas, Lawrence, KS 66045, USA;
| | - Chengming Wang
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA; (N.V.I.); (D.R.); (S.P.)
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Zhou L, Ye Q, Zhou Q, Wang J, Li G, Xiang J, Huang J, Zhao Y, Zheng T, Zuo H, Li S. Antimicrobial resistance and genomic investigation of Salmonella isolated from retail foods in Guizhou, China. Front Microbiol 2024; 15:1345045. [PMID: 38510999 PMCID: PMC10951074 DOI: 10.3389/fmicb.2024.1345045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 02/19/2024] [Indexed: 03/22/2024] Open
Abstract
Introduction Salmonella is a major foodborne pathogen worldwide that causes severe morbidity and mortality. It is mainly caused by consuming contaminated food, with retail food considered the primary source. Methods In Guizhou, China, 102 Salmonella strains isolated from 2016 to 2021 underwent phenotypic antimicrobial resistance testing and whole-genome sequencing (WGS) to understand Salmonella diversity, including serotypes, sequencing types (STs), antimicrobial genes, virulence genes, plasmid types, multi-locus sequence types (MLST), and core genome MLST (cgMLST). Results and discussion S.Typhimurium was the dominant serotype, and O:4(B) was the leading serogroup. The most prevalent genotype was ST40. Phenotypic antimicrobial resistance identified 66.7% of the sampled isolates as multi-drug resistant (MDR). S.Enteritidis (n = 7), S.Typhimurium (n = 1), S.Indiana (n = 1), S.Kentucky (n = 1), S.Uganda (n = 1), all of which were MDR, were resistant to Colistin. Resistance rates varied significantly across different strains and food types, particularly meat products exhibiting higher resistance. Notably, significant increases in resistance were observed from 2016 to 2021 for the following: ≥ 1 resistant (P = 0.001), MDR (P = 0.001), ampicillin (P = 0.001), tetracycline (P < 0.001), chloramphenicol (P = 0.030), and trimethoprim/sulfamethoxazole (P = 0.003). The marked escalation in drug resistance over the recent years, coupled with the varying resistance rates among food sources, underscores the growing public health concern. Our findings highlight the need for a coordinated approach to effectively monitor and respond to Salmonella infections in Guizhou, China.
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Affiliation(s)
- Li Zhou
- Guizhou Provincial Centre for Disease Control and Prevention, Guiyang, China
| | - Qian Ye
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Qian Zhou
- Guizhou Provincial Centre for Disease Control and Prevention, Guiyang, China
| | - Jian Wang
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
- Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan Province, Chengdu, China
| | - Guanqiao Li
- Institute of Bioinformatics, Chongqing University of Posts and Telecommunications, Chongqing, China
| | - Jingshu Xiang
- Guizhou Provincial Centre for Disease Control and Prevention, Guiyang, China
| | - Jingyu Huang
- Guizhou Provincial Centre for Disease Control and Prevention, Guiyang, China
| | - Yuanyuan Zhao
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Tianli Zheng
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Haojiang Zuo
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
- Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan Province, Chengdu, China
| | - Shijun Li
- Guizhou Provincial Centre for Disease Control and Prevention, Guiyang, China
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Gómez-Baltazar A, Godínez-Oviedo A, Segura-García LE, Hernández-Pérez CF, Hernández-Iturriaga M, Cabrera-Díaz E. Genomic diversity of Salmonella enterica isolated from raw chicken at retail establishments in Mexico. Int J Food Microbiol 2024; 411:110526. [PMID: 38154253 DOI: 10.1016/j.ijfoodmicro.2023.110526] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/25/2023] [Accepted: 12/11/2023] [Indexed: 12/30/2023]
Abstract
The genomic diversity of circulating non-typhoidal Salmonella in raw chicken was investigated in three states of central Mexico. A total of 192 S. enterica strains from chicken meat samples collected at supermarkets, fresh markets, and butcher shops were analyzed by whole-genome sequencing. The serovar distribution, occurrence of genes encoding for antimicrobial resistance, metal resistance, biocide resistance, plasmids and virulence factors, and clonal relatedness based on single nucleotide polymorphism (SNP) analysis were investigated. Serovars Infantis, Schwarzengrund and Enteritidis predominated among twenty identified. The distribution of serovars and proportion of AMR genes was different according to the state, year, season, and retail establishment (p < 0.001). Genes encoding metals resistance were identified in all the strains. A total of 145 virulence genes were identified and strains were classified into 32 virulotypes; serovars Infantis, Typhimurium, and Enteritidis showed the highest number of virulence genes. The strains matched 34 SNP clusters in the NCBI Pathogen Detection server and 59 %, which corresponded to Infantis, Schwarzengrund, Saintpaul, and Enteritidis, were associated with five major clusters and matched with chicken, environmental and clinical isolates from at least three countries. These results provide useful information to understand the epidemiology of Salmonella, conduct microbial risk assessment, and design risk-based control measures.
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Affiliation(s)
- Adrián Gómez-Baltazar
- Departamento de Investigación y Posgrado de Alimentos, Facultad de Química, Universidad Autónoma de Querétaro, Cerro de las Campanas s/n, Colonia Las Campanas, Querétaro 76010, Qro., Mexico
| | - Angélica Godínez-Oviedo
- Departamento de Investigación y Posgrado de Alimentos, Facultad de Química, Universidad Autónoma de Querétaro, Cerro de las Campanas s/n, Colonia Las Campanas, Querétaro 76010, Qro., Mexico
| | - Luis Eduardo Segura-García
- Departamento de Salud Pública, Centro Universitario de Ciencias Biológicas y Agropecuarias, Universidad de Guadalajara, Camino Ramón Padilla Sánchez 2100, Zapopan 45200, Jalisco, Mexico
| | - Cindy Fabiola Hernández-Pérez
- Centro Nacional de Referencia en Inocuidad y Bioseguridad Agroalimentaria del SENASICA, Carretera México Pachuca Km 35.5, Tecámac. CP. 55740, Estado de México, Mexico
| | - Montserrat Hernández-Iturriaga
- Departamento de Investigación y Posgrado de Alimentos, Facultad de Química, Universidad Autónoma de Querétaro, Cerro de las Campanas s/n, Colonia Las Campanas, Querétaro 76010, Qro., Mexico.
| | - Elisa Cabrera-Díaz
- Departamento de Salud Pública, Centro Universitario de Ciencias Biológicas y Agropecuarias, Universidad de Guadalajara, Camino Ramón Padilla Sánchez 2100, Zapopan 45200, Jalisco, Mexico.
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Alessiani A, La Bella G, Donatiello A, Occhiochiuso G, Faleo S, Didonna A, D’Attoli L, Selicato P, Pedarra C, La Salandra G, Mancini ME, Di Taranto P, Goffredo E. Occurrence of a New Variant of Salmonella Infantis Lacking Somatic Antigen. Microorganisms 2023; 11:2274. [PMID: 37764118 PMCID: PMC10538023 DOI: 10.3390/microorganisms11092274] [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: 08/08/2023] [Revised: 09/04/2023] [Accepted: 09/08/2023] [Indexed: 09/29/2023] Open
Abstract
Salmonella Infantis is one of the most frequent serovars reported in broilers and is also regularly identified in human salmonellosis cases, representing a relevant public health problem. In the laboratories of the Istituto Zooprofilattico Sperimentale della Puglia e della Basilicata (IZSPB), six Salmonella Infantis strains with antigenic formula -:r:1,5 have been isolated from the litter and carcass of broilers between 2018 and 2022. The strains were investigated to evaluate their phenotype, antibiotic resistance and genomic profiles. Genomic analysis confirmed that the isolates belonged to the Infantis serotype and to the sequence type ST32. Moreover, all strains showed a multidrug-resistant (MDR) profile and were characterised by the presence of the IncFIB plasmid incompatibility group. Three strains had the blaCTX-M-1 gene, and one of them carried IncX1. The presence of this new variant of S. Infantis is particularly relevant because it could expand the landscape of the S. Infantis population. The absence of the somatic antigen could pose a problem in both isolation and serotyping and a consequent public health concern due to the spread of Salmonella infection.
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Affiliation(s)
- Alessandra Alessiani
- Istituto Zooprofilattico Sperimentare della Puglia e della Basilicata, Via Manfredonia 20, 71121 Foggia, Italy
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise, Via Campo Boario 1, 64100 Teramo, Italy
| | - Gianfranco La Bella
- Istituto Zooprofilattico Sperimentare della Puglia e della Basilicata, Via Manfredonia 20, 71121 Foggia, Italy
| | - Adelia Donatiello
- Istituto Zooprofilattico Sperimentare della Puglia e della Basilicata, Via Manfredonia 20, 71121 Foggia, Italy
| | - Gilda Occhiochiuso
- Istituto Zooprofilattico Sperimentare della Puglia e della Basilicata, Via Manfredonia 20, 71121 Foggia, Italy
| | - Simona Faleo
- Istituto Zooprofilattico Sperimentare della Puglia e della Basilicata, Via Manfredonia 20, 71121 Foggia, Italy
| | - Antonella Didonna
- Istituto Zooprofilattico Sperimentare della Puglia e della Basilicata, Via Manfredonia 20, 71121 Foggia, Italy
| | - Luigi D’Attoli
- Istituto Zooprofilattico Sperimentare della Puglia e della Basilicata, Via Manfredonia 20, 71121 Foggia, Italy
| | - Patrizia Selicato
- Istituto Zooprofilattico Sperimentare della Puglia e della Basilicata, Via Manfredonia 20, 71121 Foggia, Italy
| | - Carmine Pedarra
- Istituto Zooprofilattico Sperimentare della Puglia e della Basilicata, Via Manfredonia 20, 71121 Foggia, Italy
| | - Giovanna La Salandra
- Istituto Zooprofilattico Sperimentare della Puglia e della Basilicata, Via Manfredonia 20, 71121 Foggia, Italy
| | - Maria Emanuela Mancini
- Istituto Zooprofilattico Sperimentare della Puglia e della Basilicata, Via Manfredonia 20, 71121 Foggia, Italy
| | - Pietro Di Taranto
- Istituto Zooprofilattico Sperimentare della Puglia e della Basilicata, Via Manfredonia 20, 71121 Foggia, Italy
| | - Elisa Goffredo
- Istituto Zooprofilattico Sperimentare della Puglia e della Basilicata, Via Manfredonia 20, 71121 Foggia, Italy
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Chukamnerd A, Jeenkeawpiam K, Chusri S, Pomwised R, Singkhamanan K, Surachat K. BacSeq: A User-Friendly Automated Pipeline for Whole-Genome Sequence Analysis of Bacterial Genomes. Microorganisms 2023; 11:1769. [PMID: 37512941 PMCID: PMC10385524 DOI: 10.3390/microorganisms11071769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/04/2023] [Accepted: 07/04/2023] [Indexed: 07/30/2023] Open
Abstract
Whole-genome sequencing (WGS) of bacterial pathogens is widely conducted in microbiological, medical, and clinical research to explore genetic insights that could impact clinical treatment and molecular epidemiology. However, analyzing WGS data of bacteria can pose challenges for microbiologists, clinicians, and researchers, as it requires the application of several bioinformatics pipelines to extract genetic information from raw data. In this paper, we present BacSeq, an automated bioinformatic pipeline for the analysis of next-generation sequencing data of bacterial genomes. BacSeq enables the assembly, annotation, and identification of crucial genes responsible for multidrug resistance, virulence factors, and plasmids. Additionally, the pipeline integrates comparative analysis among isolates, offering phylogenetic tree analysis and identification of single-nucleotide polymorphisms (SNPs). To facilitate easy analysis in a single step and support the processing of multiple isolates, BacSeq provides a graphical user interface (GUI) based on the JAVA platform. It is designed to cater to users without extensive bioinformatics skills.
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Affiliation(s)
- Arnon Chukamnerd
- Division of Infectious Diseases, Department of Internal Medicine, Faculty of Medicine, Prince of Songkla University, Songkhla 90110, Thailand
| | - Kongpop Jeenkeawpiam
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Songkhla 90110, Thailand
| | - Sarunyou Chusri
- Division of Infectious Diseases, Department of Internal Medicine, Faculty of Medicine, Prince of Songkla University, Songkhla 90110, Thailand
| | - Rattanaruji Pomwised
- Division of Biological Science, Faculty of Science, Prince of Songkla University, Songkhla 90110, Thailand
| | - Kamonnut Singkhamanan
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Songkhla 90110, Thailand
| | - Komwit Surachat
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Songkhla 90110, Thailand
- Translational Medicine Research Center, Faculty of Medicine, Prince of Songkla University, Songkhla 90110, Thailand
- Division of Computational Science, Faculty of Science, Prince of Songkla University, Songkhla 90110, Thailand
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