Article(id=1320438070185415447, tenantId=1146029695717560320, journalId=1319373219989389464, issueId=1320438006813672182, articleNumber=null, orderNo=null, doi=10.11847/zgggws1147087, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1739289600000, receivedDateStr=2025-02-12, revisedDate=1755100800000, revisedDateStr=2025-08-14, acceptedDate=1757865600000, acceptedDateStr=2025-09-15, onlineDate=1792746568484, onlineDateStr=2026-10-23, pubDate=1773072000000, pubDateStr=2026-03-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792746568484, onlineIssueDateStr=2026-10-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792746568484, creator=13701087609, updateTime=1792746568484, updator=13701087609, issue=Issue{id=1320438006813672182, tenantId=1146029695717560320, journalId=1319373219989389464, year='2026', volume='42', issue='3', pageStart='257', pageEnd='384', issueExtLink='null', onlineDate='null', pubDate='1773072000000', pubDateStr='2026-03-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792746553376, creator='13701087609', updateTime=1792748100383, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320444495519404406, tenantId=1146029695717560320, journalId=1319373219989389464, issueId=1320438006813672182, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320444495519404407, tenantId=1146029695717560320, journalId=1319373219989389464, issueId=1320438006813672182, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=338, endPage=344, ext={EN=ArticleExt(id=1320438070567097112, articleId=1320438070185415447, tenantId=1146029695717560320, journalId=1319373219989389464, language=EN, title=Molecular characterization of
Clostridium perfringens in food products from Pudong New Area, Shanghai in 2023: based on surveillance data, columnId=1320427686514770171, journalTitle=Chinese Journal of Public Health, columnName=Survey and Report, runingTitle=null, highlight=null, articleAbstract=
Objective To reveal the detection status and molecular characteristics of Clostridium perfringens in food in Pudong New Area, providing a scientific basis for the risk assessment and prevention of this pathogen.
Methods In 2023, 111 samples of raw and cooked food were randomly collected monthly from traditional markets and supermarkets at six monitoring sites (Dongming, Tangqiao, etc.) in Pudong New Area, totaling 1 332 samples across the year. C. perfringens was isolated via sulfite-polymyxin-sulfadiazine (SPS) agar and Columbia blood agar. Next-generation sequencing was employed to obtain the whole genome sequences of the strains. Virulence genes, multi-locus sequence typing (MLST), and drug resistance genes were analyzed based on VFDB, PubMLST, and CGE ResFinder. A phylogenetic tree was established based on single nucleotide polymorphisms (SNPs).
Results In 2023, the detection rate of C. perfringens in food in Pudong New Area was 5.78% (77/1 332). All positive samples were meat and meat products, and the detection rate in poultry meat was the highest (28.57%, 29/144). Nine antibiotic resistance genes were detected and the carriage rate of tetA(P) was the highest (89.61%, 69/77). All the isolates carried plc, while 74.03% (57/77) carried cpb2. The 77 isolates were classified into 63 sequence types (STs), with multiple strains clustering closely with human-derived isolates from Shenzhen and Wuhan.
Conclusions Isolates of Clostridium perfringens from meat and meat products in Pudong New Area carry diverse virulence factors and antibiotic resistance genes, indicating potential food safety risks.
, authors=Jin DING
1, 2, Yihuan HU
1, 2, Bin LV
1, 2, Yanhua GUI
1, 2, Huifang QIU
1, 2, Xiao WANG
1, 2, Yong ZHANG
1, 2, authorsList=Jin DING, Yihuan HU, Bin LV, Yanhua GUI, Huifang QIU, Xiao WANG, Yong ZHANG, authorCompany=null, correspAuthors=Yong ZHANG, authorNote=null, correspAuthorsNote=
, copyrightStatement=Copyright © 2026 Chinese Journal of Public Health. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1320438071682781985, articleId=1320438070185415447, tenantId=1146029695717560320, journalId=1319373219989389464, language=CN, title=2023年上海市浦东新区食品产气荚膜梭菌分子特征分析:基于监测数据, columnId=1320427686770622717, journalTitle=中国公共卫生, columnName=调查报告与分析, runingTitle=null, highlight=null, articleAbstract=
目的 了解上海浦东新区食品中产气荚膜梭菌(C.perfringens)的检出情况及分子特征,为C.perfringens的风险评估和预防控制提供科学依据。
方法 2023年每月从浦东新区东明、塘桥等6个监测点随机采集集贸市场、超市等生熟食品样本111份,全年共采集样本1 332份,经亚硫酸盐–多粘菌素–磺胺嘧啶(SPS)琼脂和哥伦比亚血琼脂分离C.perfringens。利用二代测序技术获得菌株的全基因组序列,基于VFDB数据库、PubMLST数据库、CGE ResFinder耐药基因数据库进行毒力基因、多位点序列分型(MLST)和耐药基因分析,基于单核苷酸多态性(SNPs)绘制进化树。
结果 2023年浦东新区食品中C.perfringens检出率为5.78%(77/1 332),均来源于肉及肉制品,其中禽肉类检出率最高(20.14%,29/144)。耐药基因检出9种,tetA(P)携带率最高(89.61%,69/77)。毒力基因中plc基因携带率为100%,cpb2基因携带率为74.03%(57/77)。77株C.perfringens分为63个ST型别。多株菌株与深圳市、武汉市人源菌株亲缘关系较近。
结论 浦东新区肉及肉制品中C.perfringens分离菌株携带多种毒力及耐药相关基因,存在一定食品安全风险。
, authors=丁锦
1, 2, 胡旖桓
1, 2, 吕彬
1, 2, 桂燕华
1, 2, 邱惠芳
1, 2, 王筱
1, 2, 张勇
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丁锦(1995—),主管技师,本科,研究方向:食源性致病菌检测
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Clostridium perfringens toxins in human and animal disease[J]. Future Microbiology, 2014, 9(3): 361-377., articleTitle=null, refAbstract=null), Reference(id=1320438081841386348, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=2, rfOrder=1, authorNames=null, journalName=null, refType=null, unstructuredReference=Navarro M A, McClane B A, Uzal F A. Mechanisms of action and cell death associated with
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Salmonella enterica strains and relation with integrons[J]. Antimicrobial Agents and Chemotherapy, 2005, 49(2): 836-839., articleTitle=null, refAbstract=null), Reference(id=1320438086597727101, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=18, rfOrder=17, authorNames=null, journalName=null, refType=null, unstructuredReference=杨沂嫡, 梁永兵, 李君文, 等. 我国生活饮用水抗生素耐药基因污染现状及其检测技术研究进展[J]. 中国公共卫生, 2021, 37(10): 1575-1579., articleTitle=null, refAbstract=null), Reference(id=1320438086698390398, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=19, rfOrder=18, authorNames=null, journalName=null, refType=null, unstructuredReference=德艳艳, 姜志刚, 牛思博, 等. 携带非典型
cpb2基因牛源A型产气荚膜梭菌重组
α毒素的免疫保护性研究[J]. 中国预防兽医学报, 2012, 34(7): 563-567., articleTitle=null, refAbstract=null), Reference(id=1320438086975214463, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=20, rfOrder=19, authorNames=null, journalName=null, refType=null, unstructuredReference=Zhong J X, Zheng H R, Wang Y Y, et al. Molecular characteristics and phylogenetic analysis of
Clostridium perfringens from different regions in China, from 2013 to 2021[J]. Frontiers in Microbiology, 2023, 14: 1195083., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1320438071905080098, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, xref=1, ext=[AuthorCompanyExt(id=1320438071909274403, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, companyId=1320438071905080098, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1Microbiological Testing Laboratory, Shanghai Pudong New Area Center for Disease Control and Prevention (Shanghai Pudong New Area Health Supervision Institute), Shanghai 200136, China), AuthorCompanyExt(id=1320438071917663012, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, companyId=1320438071905080098, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1上海市浦东新区疾病预防控制中心(上海市浦东新区卫生健康监督所) 微生物检测实验室,上海 200136)]), AuthorCompany(id=1320438072001549093, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, xref=2, ext=[AuthorCompanyExt(id=1320438072009937702, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, companyId=1320438072001549093, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2复旦大学浦东预防医学研究院,上海 200136)])], figs=[ArticleFig(id=1320438078125232987, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, language=EN, label=Fig.1, caption=
Heatmap of resistance genes and virulence genes carried by 77 C. perfringens strains, figureFileSmall=XqCP7Yv9SGg6B/ECZyUpfA==, figureFileBig=/EbzWbfxTvIvtxiQoN928Q==, tableContent=null), ArticleFig(id=1320438078431417180, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, language=CN, label=图1, caption=
77株产气荚膜梭菌携带的耐药基因和毒力基因热图, figureFileSmall=XqCP7Yv9SGg6B/ECZyUpfA==, figureFileBig=/EbzWbfxTvIvtxiQoN928Q==, tableContent=null), ArticleFig(id=1320438078838264669, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, language=EN, label=Fig.2, caption=
STs of 77 C. perfringens strains, figureFileSmall=a/8zP2yBB5JYRzuU3mldyw==, figureFileBig=7OIrtTC4HTerW9VKCbgZgw==, tableContent=null), ArticleFig(id=1320438078917956446, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, language=CN, label=图2, caption=
77株产气荚膜梭菌ST型注:黄色圆圈内为禽肉类检出的ST型,绿色圆圈内为畜肉类检出的ST型,红色圆圈内为畜禽内脏类检出的ST型,重叠部分为在两种类别样品中均有检出的ST型。
, figureFileSmall=a/8zP2yBB5JYRzuU3mldyw==, figureFileBig=7OIrtTC4HTerW9VKCbgZgw==, tableContent=null), ArticleFig(id=1320438078997648223, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, language=EN, label=Fig.3, caption=
Minimium spanning tree based on MLST for 77 C. perfringens strains, figureFileSmall=dxvwM2I6wpQvMZHXzn6uMA==, figureFileBig=c3Mew9CUI/Zf4gOeQjqiCw==, tableContent=null), ArticleFig(id=1320438079073145696, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, language=CN, label=图3, caption=
77株产气荚膜梭菌MLST最小生成树注:绿色为禽肉类;红色为畜禽内脏类;紫色为畜肉类;每个圆圈代表一个ST型,ST型在圆圈旁标注。
, figureFileSmall=dxvwM2I6wpQvMZHXzn6uMA==, figureFileBig=c3Mew9CUI/Zf4gOeQjqiCw==, tableContent=null), ArticleFig(id=1320438080746672993, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, language=EN, label=Fig.4, caption=
Phylogenetic tree of 77 C. perfringens strains, figureFileSmall=an1SqxM2CIU5VqAcwVSGIg==, figureFileBig=+pq6duRqBqb8ttmEhVG6eQ==, tableContent=null), ArticleFig(id=1320438080889279331, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, language=CN, label=图4, caption=
77株产气荚膜梭菌系统进化树注:标红菌株为独立分支菌株,相邻的标蓝菌株为亲缘关系较近菌株。
, figureFileSmall=an1SqxM2CIU5VqAcwVSGIg==, figureFileBig=+pq6duRqBqb8ttmEhVG6eQ==, tableContent=null), ArticleFig(id=1320438080960582501, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, language=EN, label=Tab.1, caption=
Contamination of Clostridium perfringens in meat and meat products in Pudong New Area, Shanghai in 2023
, figureFileSmall=null, figureFileBig=null, tableContent=
| 月份 | 畜肉类 | | 禽肉类 | | 畜禽内脏 | | 合计 | χ2值 | P值 |
|---|
| 样品数 | % | | 样品数 | % | | 样品数 | % | | 样品数 | % |
|---|
| 1 | 0 | 0.00 | | 0 | 0.00 | | 0 | 0.00 | | 0 | 0.00 | 48.363 | 0.000 001 |
| 2 | 0 | 0.00 | | 1 | 8.33 | | 0 | 0.00 | | 1 | 2.38 | | |
| 3 | 1 | 5.56 | | 3 | 25.00 | | 0 | 0.00 | | 4 | 9.52 | | |
| 4 | 5 | 27.78 | | 1 | 8.33 | | 2 | 16.67 | | 8 | 19.05 | | |
| 5 | 1 | 5.56 | | 1 | 8.33 | | 1 | 8.33 | | 3 | 7.14 | | |
| 6 | 2 | 11.11 | | 4 | 33.33 | | 2 | 16.67 | | 8 | 19.05 | | |
| 7 | 5 | 27.78 | | 8 | 66.67 | | 5 | 41.67 | | 18 | 42.86 | | |
| 8 | 1 | 5.56 | | 2 | 16.67 | | 3 | 25.00 | | 6 | 14.29 | | |
| 9 | 2 | 11.11 | | 2 | 16.67 | | 4 | 33.33 | | 8 | 19.05 | | |
| 10 | 3 | 16.67 | | 5 | 41.67 | | 3 | 25.00 | | 11 | 26.19 | | |
| 11 | 1 | 5.56 | | 1 | 8.33 | | 1 | 8.33 | | 3 | 7.14 | | |
| 12 | 1 | 5.56 | | 1 | 8.33 | | 5 | 41.67 | | 7 | 16.67 | | |
| 合计 | 22 | 10.19 | | 29 | 20.14 | | 26 | 18.06 | | 77 | 15.28 | | |
), ArticleFig(id=1320438081061245798, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, language=CN, label=表1, caption=
2023年上海市浦东新区肉及肉制品中产气荚膜梭菌检出情况(检出率/%)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 月份 | 畜肉类 | | 禽肉类 | | 畜禽内脏 | | 合计 | χ2值 | P值 |
|---|
| 样品数 | % | | 样品数 | % | | 样品数 | % | | 样品数 | % |
|---|
| 1 | 0 | 0.00 | | 0 | 0.00 | | 0 | 0.00 | | 0 | 0.00 | 48.363 | 0.000 001 |
| 2 | 0 | 0.00 | | 1 | 8.33 | | 0 | 0.00 | | 1 | 2.38 | | |
| 3 | 1 | 5.56 | | 3 | 25.00 | | 0 | 0.00 | | 4 | 9.52 | | |
| 4 | 5 | 27.78 | | 1 | 8.33 | | 2 | 16.67 | | 8 | 19.05 | | |
| 5 | 1 | 5.56 | | 1 | 8.33 | | 1 | 8.33 | | 3 | 7.14 | | |
| 6 | 2 | 11.11 | | 4 | 33.33 | | 2 | 16.67 | | 8 | 19.05 | | |
| 7 | 5 | 27.78 | | 8 | 66.67 | | 5 | 41.67 | | 18 | 42.86 | | |
| 8 | 1 | 5.56 | | 2 | 16.67 | | 3 | 25.00 | | 6 | 14.29 | | |
| 9 | 2 | 11.11 | | 2 | 16.67 | | 4 | 33.33 | | 8 | 19.05 | | |
| 10 | 3 | 16.67 | | 5 | 41.67 | | 3 | 25.00 | | 11 | 26.19 | | |
| 11 | 1 | 5.56 | | 1 | 8.33 | | 1 | 8.33 | | 3 | 7.14 | | |
| 12 | 1 | 5.56 | | 1 | 8.33 | | 5 | 41.67 | | 7 | 16.67 | | |
| 合计 | 22 | 10.19 | | 29 | 20.14 | | 26 | 18.06 | | 77 | 15.28 | | |
), ArticleFig(id=1320438081153520487, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, language=EN, label=Tab.2, caption=
Antibiotic resistance genes carried by 77 C. perfringens strains
, figureFileSmall=null, figureFileBig=null, tableContent=
| 抗生素类别 | 耐药基因 | 耐药机制 | 携带菌株数量/株 |
|---|
| 大环内酯类 | erm(Q) | 甲基化抗生素作用靶位 | 45 |
林可酰胺类
| lnu(P) | 生成灭活酶 | 17 |
| lnu(C) | 生成灭活酶 | 1 |
四环素类
| tetA(P) | 编码抗生素外排泵蛋白 | 69 |
| tetB(P) | 编码靶位保护蛋白 | 66 |
| tet(44) | 编码靶位保护蛋白 | 4 |
氨基糖苷类
| ant(6)-Ib | 生成钝化酶 | 3 |
| aac(6')-aph(2'') | 生成钝化酶 | 1 |
| 磺胺类 | sul1 | 替代抗生素作用靶位 | 1 |
), ArticleFig(id=1320438081367429994, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320438070185415447, language=CN, label=表2, caption=
77株产气荚膜梭菌耐药基因携带情况
, figureFileSmall=null, figureFileBig=null, tableContent=
| 抗生素类别 | 耐药基因 | 耐药机制 | 携带菌株数量/株 |
|---|
| 大环内酯类 | erm(Q) | 甲基化抗生素作用靶位 | 45 |
林可酰胺类
| lnu(P) | 生成灭活酶 | 17 |
| lnu(C) | 生成灭活酶 | 1 |
四环素类
| tetA(P) | 编码抗生素外排泵蛋白 | 69 |
| tetB(P) | 编码靶位保护蛋白 | 66 |
| tet(44) | 编码靶位保护蛋白 | 4 |
氨基糖苷类
| ant(6)-Ib | 生成钝化酶 | 3 |
| aac(6')-aph(2'') | 生成钝化酶 | 1 |
| 磺胺类 | sul1 | 替代抗生素作用靶位 | 1 |
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