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耐碳青霉烯类高毒力ST23的出现与分子进化:中国的超级细菌现象

Emergence and molecular evolution of carbapenem-resistant hypervirulent ST23 : The superbug phenomenon in China.

作者信息

Chen Tao, Wang Xueting, Xiong Luying, Shen Ping, Xiao Yonghong

机构信息

State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, China-Singapore Belt and Road Joint Laboratory on Infection Research and Drug Development, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.

Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong, China.

出版信息

Virulence. 2025 Dec;16(1):2545556. doi: 10.1080/21505594.2025.2545556. Epub 2025 Aug 13.

Abstract

This study aimed to investigate the molecular epidemiology of carbapenem-resistant hypervirulent (CR-hvKP) ST23 in China. We conducted comprehensive searches across five databases (PubMed, Web of Science, MEDLINE, CNKI, and Wanfang) spanning 1980-2024, identifying 30 eligible studies through rigorous screening. Our synthesis documents 120 ST23 CR-hvKP clinical isolates, including the earliest known case from Zhejiang in 2013 which harbored alongside hallmark virulence loci (, , , , and ). Epidemiological analysis of 119 isolates reveals geographic disparities: Hebei (25.2%) and Jiangxi (22.7%) are hotspots, while carbapenemase distribution exhibits a north-south divide ( predominating in northern China versus in the south). Phylogenetic analysis of 584 global ST23 genomes suggests independent plasmid-mediated acquisition of carbapenemase genes, with evidence of clonal transmission both among humans and between humans and environmental niches. This review highlights the urgent need for surveillance to track CR-hvKP's evolving epidemiology, alongside interventions targeting plasmid-driven resistance spread.

摘要

本研究旨在调查中国耐碳青霉烯类高毒力肺炎克雷伯菌(CR-hvKP)ST23的分子流行病学。我们对1980年至2024年期间的五个数据库(PubMed、Web of Science、MEDLINE、中国知网和万方)进行了全面检索,通过严格筛选确定了30项符合条件的研究。我们的综合分析记录了120株ST23 CR-hvKP临床分离株,包括2013年来自浙江的最早已知病例,该病例携带了标志性毒力基因座(、、、和)。对119株分离株的流行病学分析揭示了地理差异:河北(25.2%)和江西(22.7%)是热点地区,而碳青霉烯酶分布呈现南北差异(在中国北方占主导地位,而在南方占主导地位)。对584个全球ST23基因组的系统发育分析表明,碳青霉烯酶基因是通过质粒介导独立获得的,有证据表明在人类之间以及人类与环境生态位之间存在克隆传播。本综述强调了迫切需要进行监测以追踪CR-hvKP不断演变的流行病学,同时需要采取针对质粒驱动的耐药性传播的干预措施。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/145a/12351723/14e31bc31536/KVIR_A_2545556_F0001_OC.jpg

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