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一株同时携带和基因的碳青霉烯耐药菌株的基因组特征分析

Genomic Characterization of a Carbapenem-Resistant Strain Co-Harboring and Genes.

作者信息

Zhu Yubin, Zhuang Yilu, Yu Yawen, Wang Jinyue, Liu Yongtai, Ruan Zhi, Xiao Wei, Kong Yingying

机构信息

Department of Gastroenterology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, People's Republic of China.

Department of Clinical Laboratory, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, People's Republic of China.

出版信息

Infect Drug Resist. 2024 Mar 27;17:1251-1258. doi: 10.2147/IDR.S459649. eCollection 2024.

Abstract

is an emerging bacterial pathogen responsible for causing infections in both humans and animals. Unfortunately, sporadic reports of carbapenem-resistant (CRRP) have been documented worldwide. Here we first reported the complete genome sequence of a CRRP isolate RP_3045 co-carrying and , recovered from a patient in China, and its genetic relatedness to 82 strains deposited in the NCBI GenBank database, sourced from humans, animals, and the environment. Whole-genome sequencing was performed using the Illumina NovaSeq 6000 and Oxford Nanopore MinION platforms. Phylogenetic analysis was also performed and visualized using a single nucleotide polymorphism (SNP)-based strategy. The complete genome of strain RP_3045 was determined to be 6,312,961 bp in length, comprising five contigs that included one chromosome and four plasmids. RP_3045 was found to be multidrug-resistant and harbored several antimicrobial resistance genes, including both and genes located on a single plasmid. The most closely related strain was hkcpe63, recovered from humans in Hong Kong, China, in 2014, with 506 SNP differences. strains were distributed globally and exhibited strong associations among isolates obtained from different sectors. This study provides evidence for the potential of to disseminate carbapenem resistance across different sectors, highlighting the critical need for active and continuous surveillance of CRRP.

摘要

是一种新兴的细菌病原体,可导致人类和动物感染。不幸的是,全球范围内都有关于耐碳青霉烯类(CRRP)的零星报道。在此,我们首次报告了一株来自中国患者的同时携带[具体基因1]和[具体基因2]的CRRP分离株RP_3045的完整基因组序列,以及它与存于NCBI GenBank数据库中的82株[目标细菌名称]菌株(来源于人类、动物和环境)的遗传相关性。使用Illumina NovaSeq 6000和Oxford Nanopore MinION平台进行全基因组测序。还使用基于单核苷酸多态性(SNP)的策略进行了系统发育分析并可视化。菌株RP_3045的完整基因组长度为6,312,961 bp,由5个重叠群组成,包括1条染色体和4个质粒。发现RP_3045具有多重耐药性,并含有多个抗菌抗性基因,包括位于单个质粒上的[具体基因3]和[具体基因4]基因。最密切相关的菌株是2014年从中国香港的人类中分离出的hkcpe63,有506个SNP差异。[目标细菌名称]菌株分布于全球,并且在从不同部门获得的分离株之间表现出很强的关联性。本研究为[目标细菌名称]在不同部门传播碳青霉烯耐药性的可能性提供了证据,强调了对CRRP进行积极和持续监测的迫切需求。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7082/10981896/41cf2d88f0e5/IDR-17-1251-g0001.jpg

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