Article(id=1291704921980691053, tenantId=1146029695717560320, journalId=1246415772164075586, issueId=1291704811443999077, articleNumber=null, orderNo=null, doi=10.13699/j.cnki.1001-6821.2025.18.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1753804800000, receivedDateStr=2025-07-30, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1785896052117, onlineDateStr=2026-08-05, pubDate=1758988800000, pubDateStr=2025-09-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1785896052117, onlineIssueDateStr=2026-08-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1785896052117, creator=13701087609, updateTime=1785896052117, updator=13701087609, issue=Issue{id=1291704811443999077, tenantId=1146029695717560320, journalId=1246415772164075586, year='2025', volume='41', issue='18', pageStart='2551', pageEnd='2700', issueExtLink='null', onlineDate='null', pubDate='1758988800000', pubDateStr='2025-09-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1785896025763, creator='13701087609', updateTime=1785896871490, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1291708358743053253, tenantId=1146029695717560320, journalId=1246415772164075586, issueId=1291704811443999077, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1291708358743053254, tenantId=1146029695717560320, journalId=1246415772164075586, issueId=1291704811443999077, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=2635, endPage=2638, ext={EN=ArticleExt(id=1291704922202989166, articleId=1291704921980691053, tenantId=1146029695717560320, journalId=1246415772164075586, language=EN, title=Genomic characterization of a vancomycin-resistant Enterococcus faecium strain carrying a special plasmid, columnId=1246531407326105792, journalTitle=Chinese Journal of Clinical Pharmacology, columnName=Clinical and Basic Bridging Research, runingTitle=null, highlight=null, articleAbstract=
Objective

To sequence a vancomycin-resistant Enterococcus faecium and analyze the vanM gene cluster carried on its plasmid as well as the genes conferring advantage in nutrient utilization.

Method

The broth microdilution method was used to perform drug susceptibility tests on strain 15P371 and its transconjugant J15P371. Subsequently, whole-genome sequencing was conducted using Nanopore technology for both strains, followed by analysis of the resistant plasmid sequences. Bacterial growth experiments were carried out to verify the advantage in intestinal nutrient utilization.

Results

Strain 15P371 is a vancomycin-resistant strain carrying 6 copies of the vanM gene cluster. Its transconjugant J15P371 can tolerate a higher concentration of vancomycin but only harbors 3 copies of the vanM gene cluster. Genes conferring advantage in intestinal N-acetylgalactosamine utilization are present on the resistant plasmid.

Conclusion

In vanM-type vancomycin-resistant strain, the copy number of resistance genes is variable during conjugative transfer. The plasmid carrying genes with advantage in N-acetylgalactosamine utilization confer growth advantage to the host bacteria.

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目的

测序一株万古霉素耐药屎肠球菌,对其质粒上携带的vanM基因簇和营养利用优势基因进行分析。

方法

用微量肉汤稀释法对菌株15P371和其接合子J15P371进行药敏试验,用Nanopore法对2株菌进行全基因组测序,分析耐药质粒序列,用细菌生长试验法验证肠道营养利用优势。

结果

菌株15P371为万古霉素耐药菌株,携带6个vanM基因簇拷贝,其接合子J15P371能耐受更高浓度的万古霉素,但只携带3个vanM基因簇拷贝。耐药质粒上存在肠道N-乙酰半乳糖胺利用优势基因。

结论

vanM型万古霉素耐药菌株中,耐药基因拷贝数在接合转移过程中可变。携带N-乙酰半乳糖胺利用优势基因的质粒,会赋予宿主菌生长优势。

, authors=苏博, 郑波, authorsList=苏博, 郑波, authorCompany=null, correspAuthors=郑波, authorNote=

苏博(1999-),男,硕士研究生,主要从事细菌耐药机制研究

, correspAuthorsNote=
郑波,主任医师,博士生导师 Tel: (010)82802542 E-mail:
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苏博(1999-),男,硕士研究生,主要从事细菌耐药机制研究

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一株携带特殊质粒的万古霉素耐药屎肠球菌基因组特征分析
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苏博 , 郑波
中国临床药理学杂志 | 临床与基础桥接研究 2025,41(18): 2635-2638
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中国临床药理学杂志 |临床与基础桥接研究 2025 , 41 (18) : 2635 -2638
一株携带特殊质粒的万古霉素耐药屎肠球菌基因组特征分析
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苏博, 郑波
作者信息
  • 北京大学 第一医院 临床药理研究所,北京 100034
通讯作者:
郑波,主任医师,博士生导师 Tel: (010)82802542 E-mail:
作者简介:

苏博(1999-),男,硕士研究生,主要从事细菌耐药机制研究

Genomic characterization of a vancomycin-resistant Enterococcus faecium strain carrying a special plasmid
Bo SU, Bo ZHENG
Affiliations
  • Institute of Clinical Pharmacology, Peking University First Hospital, Beijing 100034, China
出版时间: 2025-09-28 doi: 10.13699/j.cnki.1001-6821.2025.18.011
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目的

测序一株万古霉素耐药屎肠球菌,对其质粒上携带的vanM基因簇和营养利用优势基因进行分析。

方法

用微量肉汤稀释法对菌株15P371和其接合子J15P371进行药敏试验,用Nanopore法对2株菌进行全基因组测序,分析耐药质粒序列,用细菌生长试验法验证肠道营养利用优势。

结果

菌株15P371为万古霉素耐药菌株,携带6个vanM基因簇拷贝,其接合子J15P371能耐受更高浓度的万古霉素,但只携带3个vanM基因簇拷贝。耐药质粒上存在肠道N-乙酰半乳糖胺利用优势基因。

结论

vanM型万古霉素耐药菌株中,耐药基因拷贝数在接合转移过程中可变。携带N-乙酰半乳糖胺利用优势基因的质粒,会赋予宿主菌生长优势。

万古霉素  /  屎肠球菌  /  vanM基因簇  /  N-乙酰半乳糖胺利用基因
Objective

To sequence a vancomycin-resistant Enterococcus faecium and analyze the vanM gene cluster carried on its plasmid as well as the genes conferring advantage in nutrient utilization.

Method

The broth microdilution method was used to perform drug susceptibility tests on strain 15P371 and its transconjugant J15P371. Subsequently, whole-genome sequencing was conducted using Nanopore technology for both strains, followed by analysis of the resistant plasmid sequences. Bacterial growth experiments were carried out to verify the advantage in intestinal nutrient utilization.

Results

Strain 15P371 is a vancomycin-resistant strain carrying 6 copies of the vanM gene cluster. Its transconjugant J15P371 can tolerate a higher concentration of vancomycin but only harbors 3 copies of the vanM gene cluster. Genes conferring advantage in intestinal N-acetylgalactosamine utilization are present on the resistant plasmid.

Conclusion

In vanM-type vancomycin-resistant strain, the copy number of resistance genes is variable during conjugative transfer. The plasmid carrying genes with advantage in N-acetylgalactosamine utilization confer growth advantage to the host bacteria.

vancomycin  /  Enterococcus faecium  /  vanM gene cluster  /  N-acetylgalactosamine utilization genes
苏博, 郑波. 一株携带特殊质粒的万古霉素耐药屎肠球菌基因组特征分析. 中国临床药理学杂志, 2025 , 41 (18) : 2635 -2638 . DOI: 10.13699/j.cnki.1001-6821.2025.18.011
Bo SU, Bo ZHENG. Genomic characterization of a vancomycin-resistant Enterococcus faecium strain carrying a special plasmid[J]. Chinese Journal of Clinical Pharmacology, 2025 , 41 (18) : 2635 -2638 . DOI: 10.13699/j.cnki.1001-6821.2025.18.011

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doi: 10.13699/j.cnki.1001-6821.2025.18.011
  • 接收时间:2025-07-30
  • 首发时间:2026-08-05
  • 出版时间:2025-09-28
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  • 收稿日期:2025-07-30
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    北京大学 第一医院 临床药理研究所,北京 100034

通讯作者:

郑波,主任医师,博士生导师 Tel: (010)82802542 E-mail:
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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