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Kang H, Kim H, Lee J, Jeon JH, Kim S, Park Y, Joo I, Kim H. Genetic Characteristics of Multidrug-Resistant Salmonella Isolated from Poultry Meat in South Korea. Microorganisms 2024; 12:1646. [PMID: 39203488 PMCID: PMC11356708 DOI: 10.3390/microorganisms12081646] [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: 07/30/2024] [Revised: 08/06/2024] [Accepted: 08/07/2024] [Indexed: 09/03/2024] Open
Abstract
Given the lack of genetic characterization data for multidrug-resistant (MDR) Salmonella in South Korean poultry, we analyzed 53 MDR Salmonella strains from 1232 poultry meat samples (723 chicken, 509 duck) using whole-genome sequencing. Five serotypes were identified: S. Infantis (30/53, 56.6%), S. Enteritidis (11/53, 20.8%), S. Virchow (9/53, 17.0%), S. Agona (2/53, 3.8%), and S. Indiana (1/53, 1.9%). Sequence types (STs) included ST32, ST11, ST16, ST13, and ST17, with three major clusters, each having two subclusters. Eight core genome sequence types (cgSTs) were identified: 225993, 2268, 58360, 150996, 232041, 96964, 117577, and 267045. Salmonella Infantis and S. Enteritidis had two (117577, 267045) and three (225993, 2268, 58360) cgSTs, respectively, whereas S. Virchow showed allelic differences in identical cgSTs. The S. Enteritidis subcluster was classified as chicken or duck. Twenty-eight antimicrobial resistance genes (ARGs), 10 plasmid replicons, 11 Salmonella pathogenicity islands (SPIs), and 230 virulence genes were identified, showing distinct profiles by cluster and subcluster. Salmonella Infantis, the primary MDR Salmonella, carried the IncFIB (pN55391) plasmid, 10-11 ARGs, nine SPIs, and approximately 163 virulence genes. Three major MDR Salmonella serotypes (S. Infantis, S. Enteritidis, and S. Virchow) had specific genetic profiles that can inform epidemiological surveillance.
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Affiliation(s)
- Haiseong Kang
- Food Microbiology Division, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation, Cheongju 28159, Republic of Korea; (H.K.); (H.K.); (J.L.); (J.H.J.); (Y.P.); (I.J.)
| | - Hansol Kim
- Food Microbiology Division, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation, Cheongju 28159, Republic of Korea; (H.K.); (H.K.); (J.L.); (J.H.J.); (Y.P.); (I.J.)
| | - Jonghoon Lee
- Food Microbiology Division, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation, Cheongju 28159, Republic of Korea; (H.K.); (H.K.); (J.L.); (J.H.J.); (Y.P.); (I.J.)
| | - Ji Hye Jeon
- Food Microbiology Division, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation, Cheongju 28159, Republic of Korea; (H.K.); (H.K.); (J.L.); (J.H.J.); (Y.P.); (I.J.)
| | - Seokhwan Kim
- Food Standard Division, Ministry of Food and Drug Safety, Cheongju 28159, Republic of Korea;
| | - Yongchjun Park
- Food Microbiology Division, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation, Cheongju 28159, Republic of Korea; (H.K.); (H.K.); (J.L.); (J.H.J.); (Y.P.); (I.J.)
| | - Insun Joo
- Food Microbiology Division, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation, Cheongju 28159, Republic of Korea; (H.K.); (H.K.); (J.L.); (J.H.J.); (Y.P.); (I.J.)
| | - Hyochin Kim
- Food Microbiology Division, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation, Cheongju 28159, Republic of Korea; (H.K.); (H.K.); (J.L.); (J.H.J.); (Y.P.); (I.J.)
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Ma T, Xie N, Gao Y, Fu J, Tan CE, Yang QE, Wang S, Shen Z, Ji Q, Parkhill J, Wu C, Wang Y, Walsh TR, Shen J. VirBR, a transcription regulator, promotes IncX3 plasmid transmission, and persistence of bla NDM-5 in zoonotic bacteria. Nat Commun 2024; 15:5498. [PMID: 38944647 PMCID: PMC11214620 DOI: 10.1038/s41467-024-49800-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 06/18/2024] [Indexed: 07/01/2024] Open
Abstract
IncX3 plasmids carrying the New Delhi metallo-β-lactamase-encoding gene, blaNDM-5, are rapidly spreading globally in both humans and animals. Given that carbapenems are listed on the WHO AWaRe watch group and are prohibited for use in animals, the drivers for the successful dissemination of Carbapenem-Resistant Enterobacterales (CRE) carrying blaNDM-5-IncX3 plasmids still remain unknown. We observe that E. coli carrying blaNDM-5-IncX3 can persist in chicken intestines either under the administration of amoxicillin, one of the largest veterinary β-lactams used in livestock, or without any antibiotic pressure. We therefore characterise the blaNDM-5-IncX3 plasmid and identify a transcription regulator, VirBR, that binds to the promoter of the regulator gene actX enhancing the transcription of Type IV secretion systems (T4SS); thereby, promoting conjugation of IncX3 plasmids, increasing pili adhesion capacity and enhancing the colonisation of blaNDM-5-IncX3 transconjugants in animal digestive tracts. Our mechanistic and in-vivo studies identify VirBR as a major factor in the successful spread of blaNDM-5-IncX3 across one-health AMR sectors. Furthermore, VirBR enhances the plasmid conjugation and T4SS expression by the presence of copper and zinc ions, thereby having profound ramifications on the use of universal animal feeds.
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Affiliation(s)
- Tengfei Ma
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Ning Xie
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Yuan Gao
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Jiani Fu
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Chun E Tan
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Qiu E Yang
- College of Environment and Resources, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Shaolin Wang
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Zhangqi Shen
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Quanjiang Ji
- School of Physical Science and Technology, Shanghai Tech University, Shanghai, China
| | - Julian Parkhill
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Congming Wu
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Yang Wang
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing, China.
| | - Timothy R Walsh
- Ineos Oxford Institute for Antimicrobial Research, Department of Biology, Oxford, UK.
| | - Jianzhong Shen
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing, China.
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Xu B, Hou Z, Liu L, Wei J. Genomic and proteomic analysis of Salmonella Enteritidis isolated from a patient with foodborne diarrhea. World J Microbiol Biotechnol 2023; 40:48. [PMID: 38114804 DOI: 10.1007/s11274-023-03857-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 11/24/2023] [Indexed: 12/21/2023]
Abstract
Salmonella is a major cause of foodborne diseases and clinical infections worldwide. This study aimed to investigate the drug resistance, genomic characteristics, and protein expression of foodborne Salmonella in Shanxi Province. We isolated a strain of Salmonella Enteritidis from patient feces and designated it 31A. The drug resistance of 31A against 14 antibiotics was determined using an antimicrobial susceptibility test. Whole-genome sequencing and quantitative proteomic analysis were performed on the 31A strain. Functional annotation of drug resistance genes/proteins and virulence genes/proteins was conducted using various databases, such as VFDB, ARDB, CAZY, COG, KOG, CARD, GO, and KEGG. The focus of this study was understanding the mechanisms related to food poisoning, and the genetic evolution of 31A was analyzed through comparative genomics. The 31A strain belonged to ST11 Salmonella Enteritidis and showed resistance to β-lactam and quinolone antibiotics. The genome of 31A had 70 drug resistance genes, 321 virulence genes, 12 SPIs, and 3 plasmid replicons. Functional annotation of these drug resistance and virulence genes revealed that drug resistance genes were mainly involved in defense mechanisms to confer resistance to antibiotics, while virulence genes were mainly associated with cellular motility. There were extensive interactions among the virulence genes, which included SPI-1, SPI-2, flagella, fimbriae, capsules and so on. The 31A strain had a close relationship with ASM2413794v1 and ASM130523v1, which were also ST11 Salmonella Enteritidis strains from Asia and originated from clinical patients, animals, and food. These results suggested minimal genomic differences among strains from different sources and the potential for interhost transmission. Differential analysis of the virulence and drug resistance-related proteins revealed their involvement in pathways related to human diseases, indicating that these proteins mediated bacterial invasion and infection. The integration of genomic and proteomic information led to the discovery that Salmonella can survive in a strong acid environment through various acid resistance mechanisms after entering the intestine with food and then invade intestinal epithelial cells to exert its effects. In this study, we comprehensively analyzed the drug resistance and virulence characteristics of Salmonella Enteritidis 31A using a combination of genomic and proteomic approaches, focusing on the pathogenic mechanism of Salmonella Enteritidis in food poisoning. We found significant fluctuations in various virulence factors during the survival, invasion, and infection of Salmonella Enteritidis, which collectively contributed to its pathogenicity. These results provide important information for the source tracing, prevention, and treatment of clinical infections caused by Salmonella Enteritidis.
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Affiliation(s)
- Benjin Xu
- Department of Medical Laboratory Science, Fenyang College of Shanxi Medical University, Fenyang, 032200, Shanxi, China.
- Key Laboratory of Lvliang for Clinical Molecular Diagnostics, Fenyang, China.
- Department of Clinical Laboratory, Fenyang Hospital of Shanxi Province, Fenyang, China.
| | - Zhuru Hou
- Department of Basic Medicine, Fenyang College of Shanxi Medical University, Fenyang, 032200, Shanxi, China.
- Key Laboratory of Lvliang for Clinical Molecular Diagnostics, Fenyang, China.
| | - Ling Liu
- Department of Medical Laboratory Science, Fenyang College of Shanxi Medical University, Fenyang, 032200, Shanxi, China
- Key Laboratory of Lvliang for Clinical Molecular Diagnostics, Fenyang, China
- Department of Clinical Laboratory, Fenyang Hospital of Shanxi Province, Fenyang, China
| | - Jianhong Wei
- Department of Basic Medicine, Fenyang College of Shanxi Medical University, Fenyang, 032200, Shanxi, China
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Messele YE, Trott DJ, Hasoon MF, Veltman T, McMeniman JP, Kidd SP, Djordjevic SP, Petrovski KR, Low WY. Phylogenetic Analysis of Escherichia coli Isolated from Australian Feedlot Cattle in Comparison to Pig Faecal and Poultry/Human Extraintestinal Isolates. Antibiotics (Basel) 2023; 12:antibiotics12050895. [PMID: 37237797 DOI: 10.3390/antibiotics12050895] [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: 04/06/2023] [Revised: 05/06/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023] Open
Abstract
The similarity of commensal Escherichia coli isolated from healthy cattle to antimicrobial-resistant bacteria causing extraintestinal infections in humans is not fully understood. In this study, we used a bioinformatics approach based on whole genome sequencing data to determine the genetic characteristics and phylogenetic relationships among faecal Escherichia coli isolates from beef cattle (n = 37) from a single feedlot in comparison to previously analysed pig faecal (n = 45), poultry extraintestinal (n = 19), and human extraintestinal E. coli isolates (n = 40) from three previous Australian studies. Most beef cattle and pig isolates belonged to E. coli phylogroups A and B1, whereas most avian and human isolates belonged to B2 and D, although a single human extraintestinal isolate belonged to phylogenetic group A and sequence type (ST) 10. The most common E. coli sequence types (STs) included ST10 for beef cattle, ST361 for pig, ST117 for poultry, and ST73 for human isolates. Extended-spectrum and AmpC β-lactamase genes were identified in seven out of thirty-seven (18.9%) beef cattle isolates. The most common plasmid replicons identified were IncFIB (AP001918), followed by IncFII, Col156, and IncX1. The results confirm that feedlot cattle isolates examined in this study represent a reduced risk to human and environmental health with regard to being a source of antimicrobial-resistant E. coli of clinical importance.
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Affiliation(s)
- Yohannes E Messele
- The Davies Livestock Research Centre, The University of Adelaide, Adelaide, SA 5371, Australia
- The Australian Centre for Antimicrobial Resistance Ecology, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Darren J Trott
- The Australian Centre for Antimicrobial Resistance Ecology, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Mauida F Hasoon
- The Australian Centre for Antimicrobial Resistance Ecology, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Tania Veltman
- The Australian Centre for Antimicrobial Resistance Ecology, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Joe P McMeniman
- Meat & Livestock Australia, Level 1, 40 Mount Street, North Sydney, NSW 2060, Australia
| | - Stephen P Kidd
- The Australian Centre for Antimicrobial Resistance Ecology, The University of Adelaide, Adelaide, SA 5005, Australia
- Research Centre for Infectious Disease, School of Biological Sciences, University of Adelaide, Adelaide, SA 5005, Australia
| | - Steven P Djordjevic
- Australian Institute for Microbiology & Infection, University of Technology Sydney, Ultimo, NSW 2007, Australia
| | - Kiro R Petrovski
- The Davies Livestock Research Centre, The University of Adelaide, Adelaide, SA 5371, Australia
- The Australian Centre for Antimicrobial Resistance Ecology, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Wai Y Low
- The Davies Livestock Research Centre, The University of Adelaide, Adelaide, SA 5371, Australia
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Ji F, Liu S, Wang X, Zhao J, Zhu J, Yang J, Zhang C, Jia Z, Zhao R, Hu G, Wang J, Qin J, Li G, Wu B, Wang C. Characteristics of the multiple replicon plasmid IncX1-X1 in multidrug-resistant Escherichia coli from Malayan pangolin (Manis javanica). Integr Zool 2023; 18:289-298. [PMID: 35192746 DOI: 10.1111/1749-4877.12637] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Potential zoonotic pathogens may be transmitted from wildlife to humans through the illegal wild meat trade, which has become a pressing issue. However, research on the antimicrobial resistance genes (ARGs) of Malayan pangolin (Manis javanica) intestinal bacteria is limited. Here, multidrug-resistant Escherichia coli M172-1 (ST354) isolated from Malayan pangolin feces in 2019 was found to be resistant to 13 antibiotics. BGWAS analysis revealed 4 plasmids, namely, pM172-1.1, pM172-1.2, pM172-1.3, and pM172-1.4, in the isolate. The pM172-1.2, pM172-1.3, and pM172-1.4 plasmids carried ARGs, namely, IncHI2-HI2A, IncX1-X1, and IncX1, respectively. pM172-1.3 and pM172-1.4 contained intact IntI1 integrons (Is26/IntI1/arr2/cmlA5/blaOXA-10 /ant(3″)-IIA/dfrA14/Is26). Notably, pM172-1.3 resulted from the fusion of 2 pM172-1.4 copies and carried many more ARGs. In addition to pM172-1.3 from the same host, other drug-resistant bacteria (E. coli M159-1 (ST48), E. coli S171-1 (ST206), and Klebsiella pneumoniae S174-1 (ST2354)) in the same Malayan pangolin fecal samples also carried 3 plasmids with 100% gene coverage of pM172-1.4 and 99.98% identity. Therefore, ARGs in IncX1 might spread in the intestinal flora of Malayan pangolin and between species via the illegal food chain, posing a potential threat to public health and safety.
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Affiliation(s)
- Fang Ji
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Science, Guangzhou, China
| | - Shelan Liu
- Department of Infectious Diseases, Zhejiang Center of Disease Control and Prevention, Hangzhou, Zhejiang, China
| | - Xue Wang
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Science, Guangzhou, China
| | - Jianan Zhao
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Science, Guangzhou, China
| | - Jiayue Zhu
- School of Bioengineering, East China University of Science and Technology, Shanghai, China
| | - Jianchun Yang
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Science, Guangzhou, China
| | - Chenglin Zhang
- Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China
| | - Zhongxin Jia
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Science, Guangzhou, China
| | - Ruili Zhao
- College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin, China
| | - Guocheng Hu
- South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, China
| | - Jing Wang
- Department of Infectious Diseases, Hangzhou Center of Disease Control and Prevention, Hangzhou, China
| | - Jianhua Qin
- College of Veterinary Medicine, Agricultural University of Hebei, Baoding, China
| | - Gang Li
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Science, Guangzhou, China
| | - Bin Wu
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Science, Guangzhou, China
| | - Chengmin Wang
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Science, Guangzhou, China
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Amin MB, Talukdar PK, Asaduzzaman M, Roy S, Flatgard BM, Islam MR, Saha SR, Sharker Y, Mahmud ZH, Navab-Daneshmand T, Kile ML, Levy K, Julian TR, Islam MA. Effects of chronic exposure to arsenic on the fecal carriage of antibiotic-resistant Escherichia coli among people in rural Bangladesh. PLoS Pathog 2022; 18:e1010952. [PMID: 36480516 PMCID: PMC9731454 DOI: 10.1371/journal.ppat.1010952] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 10/26/2022] [Indexed: 12/13/2022] Open
Abstract
Antibiotic resistance is a leading cause of hospitalization and death worldwide. Heavy metals such as arsenic have been shown to drive co-selection of antibiotic resistance, suggesting arsenic-contaminated drinking water is a risk factor for antibiotic resistance carriage. This study aimed to determine the prevalence and abundance of antibiotic-resistant Escherichia coli (AR-Ec) among people and drinking water in high (Hajiganj, >100 μg/L) and low arsenic-contaminated (Matlab, <20 μg/L) areas in Bangladesh. Drinking water and stool from mothers and their children (<1 year) were collected from 50 households per area. AR-Ec was detected via selective culture plating and isolates were tested for antibiotic resistance, arsenic resistance, and diarrheagenic genes by PCR. Whole-genome sequencing (WGS) analysis was done for 30 E. coli isolates from 10 households. Prevalence of AR-Ec was significantly higher in water in Hajiganj (48%) compared to water in Matlab (22%, p <0.05) and among children in Hajiganj (94%) compared to children in Matlab (76%, p <0.05), but not among mothers. A significantly higher proportion of E. coli isolates from Hajiganj were multidrug-resistant (83%) compared to isolates from Matlab (71%, p <0.05). Co-resistance to arsenic and multiple antibiotics (MAR index >0.2) was observed in a higher proportion of water (78%) and child stool (100%) isolates in Hajiganj than in water (57%) and children (89%) in Matlab (p <0.05). The odds of arsenic-resistant bacteria being resistant to third-generation cephalosporin antibiotics were higher compared to arsenic-sensitive bacteria (odds ratios, OR 1.2-7.0, p <0.01). WGS-based phylogenetic analysis of E. coli isolates did not reveal any clustering based on arsenic exposure and no significant difference in resistome was found among the isolates between the two areas. The positive association detected between arsenic exposure and antibiotic resistance carriage among children in arsenic-affected areas in Bangladesh is an important public health concern that warrants redoubling efforts to reduce arsenic exposure.
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Affiliation(s)
- Mohammed Badrul Amin
- Laboratory of Food Safety and One Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Prabhat Kumar Talukdar
- Paul G. Allen School for Global Health, Washington State University, Pullman, Washington, United States of America
| | - Muhammad Asaduzzaman
- Laboratory of Food Safety and One Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
- Department of Community Medicine and Global Health, Institute of Health and Society, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Subarna Roy
- Laboratory of Food Safety and One Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Brandon M. Flatgard
- Paul G. Allen School for Global Health, Washington State University, Pullman, Washington, United States of America
| | - Md. Rayhanul Islam
- Laboratory of Food Safety and One Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Sumita Rani Saha
- Laboratory of Food Safety and One Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Yushuf Sharker
- Center for Data Research and Analytics LLC, Bethesda, Maryland, United States of America
| | - Zahid Hayat Mahmud
- Laboratory of Environmental Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Tala Navab-Daneshmand
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, Oregon, United States of America
| | - Molly L. Kile
- School of Biological and Population Health Sciences, Oregon State University, Corvallis, Oregon, United States of America
| | - Karen Levy
- Department of Environmental and Occupational Health Sciences, University of Washington, Washington, United States of America
| | - Timothy R. Julian
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland
| | - Mohammad Aminul Islam
- Laboratory of Food Safety and One Health, Laboratory Sciences and Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
- Paul G. Allen School for Global Health, Washington State University, Pullman, Washington, United States of America
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Li Y, Kang X, Ed-Dra A, Zhou X, Jia C, Müller A, Liu Y, Kehrenberg C, Yue M. Genome-Based Assessment of Antimicrobial Resistance and Virulence Potential of Isolates of Non-Pullorum/Gallinarum Salmonella Serovars Recovered from Dead Poultry in China. Microbiol Spectr 2022; 10:e0096522. [PMID: 35727054 PMCID: PMC9431532 DOI: 10.1128/spectrum.00965-22] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 05/24/2022] [Indexed: 12/27/2022] Open
Abstract
Paratyphoid avian salmonellosis is considered one of the leading causes of poultry death, resulting in significant economic losses to poultry industries worldwide. In China, especially in Shandong province, the leading producer of poultry products, several recurrent outbreaks of avian salmonellosis have been reported during the last decade where the precise causal agent remains unknown. Moreover, the establishment of earlier and more accurate recognition of pathogens is a key factor to prevent the further dissemination of resistant and/or hypervirulent clones. Here, we aim to use whole-genome sequencing combined with in silico toolkits to provide the genomic features of the antimicrobial resistance and virulence potential of 105 regionally representative non-Pullorum/Gallinarum Salmonella isolates recovered from dead poultry between 2008 and 2019 in Shandong, China. Additionally, phenotypic susceptibility to a panel of 15 antibiotics representing 11 classes was assessed by the broth microdilution method. In this study, we identified eight serovars and nine multilocus sequence typing (MLST) types, with Salmonella enterica serovar Enteritidis sequence type 11 (ST11) being the most prevalent (84/105; 80%). Based on their phenotypic antimicrobial resistance, 77.14% of the isolates were defined as multidrug resistant (≥3 antimicrobial classes), with the detection of one S. Enteritidis isolate that was resistant to the 11 classes. The highest rates of resistance were observed against nalidixic acid (97.14%) and ciprofloxacin (91.43%), followed by ampicillin (71.43%), streptomycin (64.77%), and tetracycline (60%). Genomic characterization revealed the presence of 41 resistance genes, with an alarmingly high prevalence of blaTEM-1B (60%), in addition to genomic mutations affecting the DNA gyrase (gyrA) and DNA topoisomerase IV (parC) genes, conferring resistance to quinolones. The prediction of plasmid replicons detected 14 types, with a dominance of IncFIB(S)_1 and IncFII(S)_1 (87.62% for both), while the IncX1 plasmid type was considered the key carrier of antimicrobial resistance determinants. Moreover, we report the detection of critical virulence genes, including cdtB, rck, sodCI, pef, and spv, in addition to the typical determinants for Salmonella pathogenicity island 1 (SPI-1) and SPI-2. Furthermore, phylogenomic analysis revealed the detection of three intra-farm and five inter-farm transmission events. Overall, the detection of Salmonella isolates presenting high antimicrobial resistance and harboring different critical virulence genes is of major concern, which requires the urgent implementation of effective strategies to mitigate non-Pullorum/Gallinarum avian salmonellosis. IMPORTANCE Avian salmonellosis is one of the leading global causes of poultry death, resulting in substantial economic losses in China (constituting 9% of overall financial losses). In Shandong province, a top poultry producer (30% of the overall production in China, with 15% being exported to the world), extensive outbreaks of avian salmonellosis have been reported in the past decade where the causal agents or exact types remain rarely addressed. From approximately 2008 to 2019, over 2,000 Salmonella strains were isolated and identified from dead poultry during routine surveillance of 95 poultry farms covering all 17 cities in Shandong. Approximately 1,500 isolates were confirmed to be of non-Pullorum/Gallinarum Salmonella serovars. There is an urgent need to understand the mechanisms behind the implication of zoonotic Salmonella serovars in systemic infections of poultry. Here, we analyzed populations of clinically relevant isolates of non-Pullorum/Gallinarum Salmonella causing chicken death in China by a whole-genome sequencing approach and determined that antimicrobial-resistant Salmonella Enteritidis remained the major cause in the past decades.
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Affiliation(s)
- Yan Li
- Department of Veterinary Medicine, Zhejiang University College of Animal Sciences, Hangzhou, China
- Hainan Institute of Zhejiang University, Sanya, China
- Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine, Hangzhou, China
| | - Xiamei Kang
- Department of Veterinary Medicine, Zhejiang University College of Animal Sciences, Hangzhou, China
| | | | - Xiao Zhou
- Department of Veterinary Medicine, Zhejiang University College of Animal Sciences, Hangzhou, China
| | - Chenghao Jia
- Department of Veterinary Medicine, Zhejiang University College of Animal Sciences, Hangzhou, China
- Hainan Institute of Zhejiang University, Sanya, China
| | - Anja Müller
- Institute for Veterinary Food Science, Faculty of Veterinary Medicine, Justus Liebig University Giessen, Giessen, Germany
| | - Yuqing Liu
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Corinna Kehrenberg
- Institute for Veterinary Food Science, Faculty of Veterinary Medicine, Justus Liebig University Giessen, Giessen, Germany
| | - Min Yue
- Department of Veterinary Medicine, Zhejiang University College of Animal Sciences, Hangzhou, China
- Hainan Institute of Zhejiang University, Sanya, China
- Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine, Hangzhou, China
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
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Saraiva MDMS, Benevides VP, da Silva NMV, Varani ADM, de Freitas Neto OC, Berchieri Â, Delgado-Suárez EJ, Rocha ADDL, Eguale T, Munyalo JA, Kariuki S, Gebreyes WA, de Oliveira CJB. Genomic and Evolutionary Analysis of Salmonella enterica Serovar Kentucky Sequence Type 198 Isolated From Livestock In East Africa. Front Cell Infect Microbiol 2022; 12:772829. [PMID: 35795189 PMCID: PMC9251186 DOI: 10.3389/fcimb.2022.772829] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 04/20/2022] [Indexed: 11/14/2022] Open
Abstract
Since its emergence in the beginning of the 90’s, multidrug-resistant (MDR) Salmonella enterica subsp. enterica serovar Kentucky has become a significant public health problem, especially in East Africa. This study aimed to investigate the antimicrobial resistance profile and the genotypic relatedness of Salmonella Kentucky isolated from animal sources in Ethiopia and Kenya (n=19). We also investigated population evolutionary dynamics through phylogenetic and pangenome analyses with additional publicly available Salmonella Kentucky ST198 genomes (n=229). All the 19 sequenced Salmonella Kentucky isolates were identified as ST198. Among these isolates, the predominant genotypic antimicrobial resistance profile observed in ten (59.7%) isolates included the aac(3)-Id, aadA7, strA-strB, blaTEM-1B, sul1, and tet(A) genes, which mediated resistance to gentamicin, streptomycin/spectinomycin, streptomycin, ampicillin, sulfamethoxazole and tetracycline, respectively; and gyrA and parC mutations associated to ciprofloxacin resistance. Four isolates harbored plasmid types Incl1 and/or Col8282; two of them carried both plasmids. Salmonella Pathogenicity islands (SPI-1 to SPI-5) were highly conserved in the 19 sequenced Salmonella Kentucky isolates. Moreover, at least one Pathogenicity Island (SPI 1–4, SPI 9 or C63PI) was identified among the 229 public Salmonella Kentucky genomes. The phylogenetic analysis revealed that almost all Salmonella Kentucky ST198 isolates (17/19) stemmed from a single strain that has accumulated ciprofloxacin resistance-mediating mutations. A total of 8,104 different genes were identified in a heterogenic and still open Salmonella Kentucky ST198 pangenome. Considering the virulence factors and antimicrobial resistance genes detected in Salmonella Kentucky, the implications of this pathogen to public health and the epidemiological drivers for its dissemination must be investigated.
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Affiliation(s)
- Mauro de Mesquita Sousa Saraiva
- Department of Pathology, Theriogenology, and One Health, Sao Paulo State University (FCAV-Unesp), Jaboticabal, Brazil
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH, United States
| | - Valdinete Pereira Benevides
- Department of Pathology, Theriogenology, and One Health, Sao Paulo State University (FCAV-Unesp), Jaboticabal, Brazil
| | | | | | - Oliveiro Caetano de Freitas Neto
- Department of Preventive Veterinary Medicine, Veterinary School, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Ângelo Berchieri
- Department of Pathology, Theriogenology, and One Health, Sao Paulo State University (FCAV-Unesp), Jaboticabal, Brazil
| | - Enrique Jesús Delgado-Suárez
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico
| | - Alan Douglas de Lima Rocha
- Department of Animal Science, Center for Agricultural Sciences, Federal University of Paraiba (CCA/UFPB), Areia, Brazil
| | - Tadesse Eguale
- Aklilu Lemma Institute of Pathobiology, Addis Ababa University, Addis Ababa, Ethiopia
| | - Janet Agnes Munyalo
- Centre for Microbiology Research, Kenya Medical Research Institute, Nairobi, Kenya
| | - Samuel Kariuki
- Centre for Microbiology Research, Kenya Medical Research Institute, Nairobi, Kenya
| | - Wondwossen Abebe Gebreyes
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH, United States
- Global One Health Initiative (GOHi), The Ohio State University, Columbus, OH, United States
| | - Celso José Bruno de Oliveira
- Department of Animal Science, Center for Agricultural Sciences, Federal University of Paraiba (CCA/UFPB), Areia, Brazil
- Global One Health Initiative (GOHi), The Ohio State University, Columbus, OH, United States
- *Correspondence: Celso José Bruno de Oliveira,
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9
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Feng J, Ma J, Li K, Su M, Li R, Bai L, Yang Z, Wang J. Extensive spread of tet(X4) in multidrug-resistant Escherichia coli of animal origin in western China. Vet Microbiol 2022; 269:109420. [DOI: 10.1016/j.vetmic.2022.109420] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 02/26/2022] [Accepted: 04/01/2022] [Indexed: 10/18/2022]
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10
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Montso PK, Bezuidenhout CC, Mienie C, Somorin YM, Odeyemi OA, Mlambo V, Ateba CN. Genetic diversity and whole genome sequence analysis data of multidrug resistant atypical enteropathogenic Escherichia coli O177 strains: An assessment of food safety and public health implications. Int J Food Microbiol 2022; 365:109555. [DOI: 10.1016/j.ijfoodmicro.2022.109555] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 01/12/2022] [Accepted: 01/21/2022] [Indexed: 11/28/2022]
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11
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Lyu N, Feng Y, Pan Y, Huang H, Liu Y, Xue C, Zhu B, Hu Y. Genomic Characterization of Salmonella enterica Isolates From Retail Meat in Beijing, China. Front Microbiol 2021; 12:636332. [PMID: 33897640 PMCID: PMC8058101 DOI: 10.3389/fmicb.2021.636332] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 03/16/2021] [Indexed: 12/13/2022] Open
Abstract
Salmonella enterica remains one of the leading causes of foodborne bacterial disease. Retail meat is a major source of human salmonellosis. However, comparative genomic analyses of S. enterica isolates from retail meat from different sources in China are lacking. A total of 341 S. enterica strains were isolated from retail meat in sixteen districts of Beijing, China, at three different time points (January 1st, May 1st, and October 1st) in 2017. Comparative genomics was performed to investigate the genetic diversity, virulence and antimicrobial resistance gene (ARG) profiles of these isolates. The most common serotype was S. Enteritidis (203/341, 59.5%), which dominated among isolates from three different time points during the year. Laboratory retesting confirmed the accuracy of the serotyping results predicted by the Salmonella In Silico Typing Resource (SISTR) (96.5%). The pangenome of the 341 S. enterica isolates contained 13,931 genes, and the core genome contained 3,635 genes. Higher Salmonella phage 118970 sal3 (219/341, 64.2%) and Gifsy-2 (206/341, 60.4%) prevalence contributed to the diversity of the accessory genes, especially those with unknown functions. IncFII(S), IncX1, and IncFIB(S) plasmid replicons were more common in these isolates and were major sources of horizontally acquired foreign genes. The virulence gene profile showed fewer virulence genes associated with type III secretion systems in certain isolates from chicken. A total of 88 different ARGs were found in the 341 isolates. Three beta-lactamases, namely, blaCTX–M–55 (n = 15), blaCTX–M–14 (n = 11), and blaCTX–M–65 (n = 11), were more prevalent in retail meats. The emergence of qnrE1 and blaCTX–M–123 indicated a potential increase in the prevalence of retail meats. After the prohibition of colistin in China, three and four isolates were positive for the colistin resistance genes mcr-1.1 and mcr-9, respectively. Thus, we explored the evolution and genomic features of S. enterica isolates from retail meats in Beijing, China. The diverse ARGs of these isolates compromise food security and are a clinical threat.
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Affiliation(s)
- Na Lyu
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Yuqing Feng
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Yuanlong Pan
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Hua Huang
- Beijing Products Quality Supervision and Inspection Institute, Beijing, China
| | - Yan Liu
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Chenyu Xue
- Beijing Municipal Center for Food Safety Monitoring and Risk Assessment, Beijing, China
| | - Baoli Zhu
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Yongfei Hu
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
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12
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Mourão J, Rebelo A, Ribeiro S, Peixe L, Novais C, Antunes P. Tolerance to arsenic contaminant among multidrug‐resistant and copper‐tolerant
Salmonella
successful clones is associated with diverse
ars
operons and genetic contexts. Environ Microbiol 2020; 22:2829-2842. [DOI: 10.1111/1462-2920.15016] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 03/13/2020] [Accepted: 04/08/2020] [Indexed: 11/28/2022]
Affiliation(s)
- Joana Mourão
- UCIBIO/REQUIMTEDepartment of Biological Sciences, Laboratory of Microbiology, Faculty of Pharmacy, University of Porto Porto Portugal
- Center for Innovative Biomedicine and BiotechnologyUniversity of Coimbra Coimbra Portugal
- Center for Neuroscience and Cell BiologyUniversity of Coimbra Coimbra Portugal
- Institute for Interdisciplinary Research, University of Coimbra Coimbra Portugal
| | - Andreia Rebelo
- UCIBIO/REQUIMTEDepartment of Biological Sciences, Laboratory of Microbiology, Faculty of Pharmacy, University of Porto Porto Portugal
- Scientific Area of Environmental HealthSchool of Health, Polytechnic Institute of Porto Porto Portugal
| | - Sofia Ribeiro
- UCIBIO/REQUIMTEDepartment of Biological Sciences, Laboratory of Microbiology, Faculty of Pharmacy, University of Porto Porto Portugal
| | - Luísa Peixe
- UCIBIO/REQUIMTEDepartment of Biological Sciences, Laboratory of Microbiology, Faculty of Pharmacy, University of Porto Porto Portugal
| | - Carla Novais
- UCIBIO/REQUIMTEDepartment of Biological Sciences, Laboratory of Microbiology, Faculty of Pharmacy, University of Porto Porto Portugal
| | - Patrícia Antunes
- UCIBIO/REQUIMTEDepartment of Biological Sciences, Laboratory of Microbiology, Faculty of Pharmacy, University of Porto Porto Portugal
- Faculty of Nutrition and Food SciencesUniversity of Porto Porto Portugal
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Tang L, Shen W, Zhang Z, Zhang J, Wang G, Xiang L, She J, Hu X, Zou G, Zhu B, Zhou Y. Whole-Genome Analysis of Two Copies of bla NDM-1 Gene Carrying Acinetobacter johnsonii Strain Acsw19 Isolated from Sichuan, China. Infect Drug Resist 2020; 13:855-865. [PMID: 32273730 PMCID: PMC7106997 DOI: 10.2147/idr.s236200] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Accepted: 03/03/2020] [Indexed: 12/14/2022] Open
Abstract
Purpose To characterize the genetic feature of the carbapenems resistant Acinetobacter johnsonii strain Acsw19 isolated from municipal sludge. This strain was found to carry two copies of bla NDM-1, cmlB1-like gene, and bla OXA-211-like gene along with other 8 antimicrobial resistance genes, 3 plasmids, 15 genomic islands and 8 prophages. Methods A carbapenem-resistant Acinetobacter johnsonii strain Acsw19 isolated from municipal sludge was subjected to whole-genome sequencing (WGS) via the PacBio and Illumina MiSeq platforms. Thereafter, the characteristic was analyzed by a series of bioinformatics software. Results The results showed that the genome of Acsw19 was consisted of a 3,433,749 bp circular chromosome and 3 circular plasmids, pAcsw19-1 (11,161 bp), pAcsw19-2 (351,885 bp) and pAcsw19-3 (38,391bp), respectively. Resistome analysis showed that Acsw19 carried 12 antimicrobial resistance genes, including 6 [cmlB1-like, bla NDM-1, bla OXA-58, aph (3')-VIa, msr(E) and mph(E)] in the plasmid pAcsw19-2 and 6 (bla OXA-211-like, bla NDM-1, aph(3")-Ib, aph(6)-Id, sul2, and floR) in the chromosome genome. Specifically, the cmlB1-like gene shared 86.33%, 71.7% and 71.9% similarities with the cmlB1, cmlA4 and cmlA8 gene, and the bla OXA-211-like gene shared 94.4%, 95.39% and 96.36% similarities with bla OXA-211, bla OXA-643 and bla OXA-652, at the nucleotide level, respectively. Phylogenetic analysis showed that the bla OXA-211-like gene and cmlB1-like gene had the closest evolutionary relationship with bla OXA-643 and cmlB1, respectively. These results indicated that the bla OXA-211-like and cmlB1-like genes identified in the current study should be the novel variant resistance genes. Conclusion Carrying of two copies of bla NDM-1, cmlB1-like, bla OXA-211-like and along with other 8 antimicrobial resistance genes, 3 plasmids, 15 genomic islands and 8 prophages Acinetobacter johnsonii strain might increase the possibility of spreading of resistance genes.
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Affiliation(s)
- Lingtong Tang
- Department of Clinical Laboratory, The People's Hospital of Gao County, Sichuan 644000, People's Republic of China.,Department of Pathogenic Biology, School of Basic Medicine, Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Wei Shen
- Department of Pathogenic Biology, School of Basic Medicine, Southwest Medical University, Luzhou, Sichuan, People's Republic of China.,Department of Clinical Laboratory, The First People's Hospital of Yibin, Yibin 644000, Sichuan, People's Republic of China
| | - Zhikun Zhang
- Department of Pathogenic Biology, School of Basic Medicine, Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Jingping Zhang
- Department of Pathogenic Biology, School of Basic Medicine, Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Guangxi Wang
- Department of Pathogenic Biology, School of Basic Medicine, Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Li Xiang
- Department of Pathogenic Biology, School of Basic Medicine, Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Junping She
- Department of Pathogenic Biology, School of Basic Medicine, Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Xiaoyan Hu
- Department of Pathogenic Biology, School of Basic Medicine, Southwest Medical University, Luzhou, Sichuan, People's Republic of China
| | - Guoyuan Zou
- Institute of Plant Nutrition and Resources, Beijing Academy of Agriculture and Forestry Science, Beijing, People's Republic of China
| | - Baoli Zhu
- Key Laboratory of Pathogenic Microbiology & Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Yingshun Zhou
- Department of Pathogenic Biology, School of Basic Medicine, Southwest Medical University, Luzhou, Sichuan, People's Republic of China
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14
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van den Berg RR, Dissel S, Rapallini MLBA, van der Weijden CC, Wit B, Heymans R. Characterization and whole genome sequencing of closely related multidrug-resistant Salmonella enterica serovar Heidelberg isolates from imported poultry meat in the Netherlands. PLoS One 2019; 14:e0219795. [PMID: 31329622 PMCID: PMC6645675 DOI: 10.1371/journal.pone.0219795] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Accepted: 07/01/2019] [Indexed: 02/01/2023] Open
Abstract
Multidrug-resistant Salmonella enterica serovar Heidelberg isolates are frequently recovered in the Netherlands from poultry meat imported from South America. Our aim was to retrospectively assess the characteristics of the antimicrobial determinants, gene content and the clonal relatedness of 122 unique S. Heidelberg isolates from chicken meat from Brazil (n = 119) and Argentina (n = 3) that were imported between 2010 and 2015. These isolates were subjected to antimicrobial susceptibility testing, PCR and Illumina HiSeq2500 whole genome sequencing. Draft genomes were assembled to assess the gene content, and the phylogenetic relationships between isolates were determined using single nucleotide polymorphisms. Ciprofloxacin-resistance was identified in 98.4% of the isolates and 83.7% isolates showed resistance to the extended-spectrum cephalosporins cefotaxime and ceftazidime (83.6% and 82.8% respectively). Of the latter, 97.1% exhibited an AmpC phenotype and contained blaCMY-2, whereas the remaining three isolates contained an extended spectrum beta-lactamase. Of the 99 extended-spectrum cephalosporins-resistant isolates harboring CMY-2 plasmids, 56.6% contained the incompatibility group I1 replicon. Phylogenetic cluster analysis showed that all isolates from Brazil clustered together, with 49% occurring in clusters larger than 5 isolates that revealed intra-cluster similarities based on geographical location and/or resistance profiles. The remaining isolates were classified in smaller clusters or as singletons, highlighting the large diversity of S. Heidelberg in the poultry chain in Brazil that was revealed by this study. Considering the potential public health risk associated with multidrug-resistant S. Heidelberg in imported poultry, collaborative whole genome sequencing-based surveillance is needed to monitor the spread, pathogenic properties and epidemiological distribution of these isolates.
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Affiliation(s)
- Redmar R. van den Berg
- Netherlands Food and Consumer Product Safety Authority, Consumer and Safety Division, Laboratory Food and Feed Safety, WB Wageningen, the Netherlands
| | - Serge Dissel
- Netherlands Food and Consumer Product Safety Authority, Consumer and Safety Division, Laboratory Food and Feed Safety, WB Wageningen, the Netherlands
| | - Michel L. B. A. Rapallini
- Netherlands Food and Consumer Product Safety Authority, Consumer and Safety Division, Laboratory Food and Feed Safety, WB Wageningen, the Netherlands
| | - Coen C. van der Weijden
- Netherlands Food and Consumer Product Safety Authority, Consumer and Safety Division, Laboratory Food and Feed Safety, WB Wageningen, the Netherlands
| | - Ben Wit
- Netherlands Food and Consumer Product Safety Authority, Consumer and Safety Division, Laboratory Food and Feed Safety, WB Wageningen, the Netherlands
| | - Raymond Heymans
- Netherlands Food and Consumer Product Safety Authority, Consumer and Safety Division, Laboratory Food and Feed Safety, WB Wageningen, the Netherlands
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