Please use this identifier to cite or link to this item: https://doi.org/10.1186/s13099-018-0249-6
Title: Characterization of a novel multidrug resistance plasmid pSGB23 isolated from Salmonella enterica subspecies enterica serovar Saintpaul
Authors: Ding, Y.
Zwe, Y.H. 
Chin, S.F.
Kohli, G.S.
Drautz-Moses, D.I.
Givskov, M.
Schlundt, J.
Schuster, S.C.
Yuk, H.-G.
Yang, L.
Issue Date: 2018
Publisher: BioMed Central Ltd.
Citation: Ding, Y., Zwe, Y.H., Chin, S.F., Kohli, G.S., Drautz-Moses, D.I., Givskov, M., Schlundt, J., Schuster, S.C., Yuk, H.-G., Yang, L. (2018). Characterization of a novel multidrug resistance plasmid pSGB23 isolated from Salmonella enterica subspecies enterica serovar Saintpaul. Gut Pathogens 10 (1) : 20. ScholarBank@NUS Repository. https://doi.org/10.1186/s13099-018-0249-6
Rights: Attribution 4.0 International
Abstract: Background: Salmonella enterica subspecies enterica serovar Saintpaul (S. Saintpaul) is an important gut pathogen which causes salmonellosis worldwide. Although intestinal salmonellosis is usually self-limiting, it can be life-threatening in children, the elderlies and immunocompromised patients. Appropriate antibiotic treatment is therefore required for these patients. However, the efficacy of many antibiotics on S. enterica infections has been greatly compromised due to spreading of multidrug resistance (MDR) plasmids, which poses serious threats on public health and needs to be closely monitored. In this study, we sequenced and fully characterized an S. enterica MDR plasmid pSGB23 isolated from chicken. Results: Complete genome sequence analysis revealed that S. Saintpaul strain SGB23 harbored a 254 kb megaplasmid pSGB23, which carries 11 antibiotic resistance genes responsible for resistance to 9 classes of antibiotics and quaternary ammonium compounds that are commonly used to disinfect food processing facilities. Furthermore, we found that pSGB23 carries multiple conjugative systems, which allow it to spread into other Enterobacteriaceae spp. by self-conjugation. It also harbors multiple types of replicons and plasmid maintenance and addictive systems, which explains its broad host range and stable inheritance. Conclusions: We report here a novel MDR plasmid pSGB23 harboured by S. enterica. To our knowledge, it carried the greatest number of antibiotic resistance genes with the broadest range of resistance spectrum among S. enterica MDR plasmids identified so far. The isolation of pSGB23 from food sources is worrisome, while surveillance on its further spreading will be carried out based on the findings reported in this study. © 2018 The Author(s).
Source Title: Gut Pathogens
URI: https://scholarbank.nus.edu.sg/handle/10635/211939
ISSN: 1757-4749
DOI: 10.1186/s13099-018-0249-6
Rights: Attribution 4.0 International
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