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Wang R, Zhang A, Sun S, Yin G, Wu X, Ding Q, Wang Q, Chen F, Wang S, van Dorp L, Zhang Y, Jin L, Wang X, Balloux F, Wang H. Increase in antioxidant capacity associated with the successful subclone of hypervirulent carbapenem-resistant Klebsiella pneumoniae ST11-KL64. Nat Commun 2024; 15:67. [PMID: 38167298 PMCID: PMC10761919 DOI: 10.1038/s41467-023-44351-3] [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: 05/16/2023] [Accepted: 12/11/2023] [Indexed: 01/05/2024] Open
Abstract
The acquisition of exogenous mobile genetic material imposes an adaptive burden on bacteria, whereas the adaptational evolution of virulence plasmids upon entry into carbapenem-resistant Klebsiella pneumoniae (CRKP) and its impact remains unclear. To better understand the virulence in CRKP, we characterize virulence plasmids utilizing a large genomic data containing 1219 K. pneumoniae from our long-term surveillance and publicly accessible databases. Phylogenetic evaluation unveils associations between distinct virulence plasmids and serotypes. The sub-lineage ST11-KL64 CRKP acquires a pK2044-like virulence plasmid from ST23-KL1 hypervirulent K. pneumoniae, with a 2698 bp region deletion in all ST11-KL64. The deletion is observed to regulate methionine metabolism, enhance antioxidant capacity, and further improve survival of hypervirulent CRKP in macrophages. The pK2044-like virulence plasmid discards certain sequences to enhance survival of ST11-KL64, thereby conferring an evolutionary advantage. This work contributes to multifaceted understanding of virulence and provides insight into potential causes behind low fitness costs observed in bacteria.
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Affiliation(s)
- Ruobing Wang
- Department of Clinical Laboratory, Peking University People's Hospital, Beijing, People's Republic of China
| | - Anru Zhang
- Department of Clinical Laboratory, Peking University People's Hospital, Beijing, People's Republic of China
| | - Shijun Sun
- Department of Clinical Laboratory, Peking University People's Hospital, Beijing, People's Republic of China
| | - Guankun Yin
- Department of Clinical Laboratory, Peking University People's Hospital, Beijing, People's Republic of China
| | - Xingyu Wu
- Department of Clinical Laboratory, Peking University People's Hospital, Beijing, People's Republic of China
| | - Qi Ding
- Department of Clinical Laboratory, Peking University People's Hospital, Beijing, People's Republic of China
| | - Qi Wang
- Department of Clinical Laboratory, Peking University People's Hospital, Beijing, People's Republic of China
| | - Fengning Chen
- Department of Clinical Laboratory, Peking University People's Hospital, Beijing, People's Republic of China
| | - Shuyi Wang
- Department of Clinical Laboratory, Peking University People's Hospital, Beijing, People's Republic of China
| | - Lucy van Dorp
- UCL Genetics Institute, Department of Genetics, Evolution & Environment, University College London, London, UK
| | - Yawei Zhang
- Department of Clinical Laboratory, Peking University People's Hospital, Beijing, People's Republic of China
| | - Longyang Jin
- Department of Clinical Laboratory, Peking University People's Hospital, Beijing, People's Republic of China
| | - Xiaojuan Wang
- Department of Clinical Laboratory, Peking University People's Hospital, Beijing, People's Republic of China
| | - Francois Balloux
- UCL Genetics Institute, Department of Genetics, Evolution & Environment, University College London, London, UK
| | - Hui Wang
- Department of Clinical Laboratory, Peking University People's Hospital, Beijing, People's Republic of China.
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