Characterization of the plasmid of incompatibility groups IncFIIpKF727591 and IncpKPHS1 from Enterobacteriaceae species
Authors Wang S, Dai E, Jiang X, Zeng L, Cheng Q, Jing Y, Hu L, Yin Z, Gao B, Wang J, Duan G, Cai X, Zhou D
Received 15 April 2019
Accepted for publication 8 August 2019
Published 6 September 2019 Volume 2019:12 Pages 2789—2797
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 4
Editor who approved publication: Professor Suresh Antony
Shujie Wang1,*, Erhei Dai2,*, Xiaoyuan Jiang3, Lijun Zeng3, Qiaoxiang Cheng2,3, Ying Jing3, Lingfei Hu3, Zhe Yin3, Bo Gao3, Jinglin Wang3, Guixin Duan4, Xuehui Cai1, Dongsheng Zhou3
1State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, People’s Republic of China; 2Department of Laboratory Medicine, The Fifth Hospital of Shijiazhuang, Hebei Medical University, Shijiazhuang, Hebei 050021, People’s Republic of China; 3State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, People’s Republic of China; 4Animal Science and Technology College, Heilongjiang Bayi Agricultural University, Daqing 163000, People’s Republic of China
*These authors contributed equally to this work
Correspondence: Dongsheng Zhou
State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, No. 20 Dongdajie Street, Fengtai District, Beijing 100071, People’s Republic of China
Tel +86 106 694 8503
Email [email protected]
State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No. 678 Haping Road, Xiangfang District, Harbin 150069, People’s Republic of China
Tel +86 4 515 105 1766
Email [email protected]
Background: Multiple incompatibility (Inc) groups of plasmids have been identified in Enterobacteriaceae species, but there are still quite a few sequenced plasmids that could not be assigned to any known Inc groups.
Methods: One IncFIIpKF727591β plasmid p205880-qnrS and two IncpKPHS1 plasmids p11219-CTXM and p205880-NR1 were fully sequenced in this work. Detailed genomic comparison was applied to all available sequenced plasmids of IncFIIpKF727591 or IncpKPHS1 group.
Results: p205880-qnrS carried a novel transposon Tn6396, which was an ISKpn19-compsite transposon and represented a prototype transposable element carrying a minimum core qnrS1 module. p11219-CTXM harbored a novel transposon Tn6559, which was generated from integration of a truncated IS903D–blaCTX-M-14–ISEcp1 unit into the Tn3-family cryptic unit transposon Tn1722. Two Inc groups, IncFIIpKF727591 and IncpKPHS1, of plasmids from Enterobacteriaceae species were proposed, and IncFIIpKF727591 was further grouped into two subgroups IncFIIpKF727591α and IncFIIpKF727591β. Each of the 11 IncFIIpKF727591 plasmids carried multiple accessory modules including at least one resistance module, and the relatively small IncFIIpKF727591 backbones could acquire a wealth of foreign genetic contents. The modular structures of plasmid backbones were conserved within each of IncFIIpKF727591α and IncFIIpKF727591β subgroups but dramatically different, although with similar gene organizations, between these two subgroups. The IncpKPHS1 backbones were conserved with respect to modular structures, and only four of the 14 IncpKPHS1 plasmids carried accessory modules, two of which contained resistance genes.
Conclusion: A genomic comparison of sequenced IncpKPHS1 or IncFIIpKF727591 plasmids provides insights into modular differences and genetic diversification of these plasmids, some of which carries antimicrobial resistance genes.
Keywords: plasmids, IncFIIpKF727591, IncpKPHS1, Tn6396, Tn6559
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