Article(id=1321169820133994726, tenantId=1146029695717560320, journalId=1319373219989389464, issueId=1321169735128043598, articleNumber=null, orderNo=null, doi=10.11847/zgggws1145912, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1725897600000, receivedDateStr=2024-09-10, revisedDate=1739808000000, revisedDateStr=2025-02-18, acceptedDate=1744992000000, acceptedDateStr=2025-04-19, onlineDate=1792921031267, onlineDateStr=2026-10-25, pubDate=1752076800000, pubDateStr=2025-07-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792921031267, onlineIssueDateStr=2026-10-25, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792921031267, creator=13701087609, updateTime=1792921031267, updator=13701087609, issue=Issue{id=1321169735128043598, tenantId=1146029695717560320, journalId=1319373219989389464, year='2025', volume='41', issue='7', pageStart='769', pageEnd='896', issueExtLink='null', onlineDate='null', pubDate='1752076800000', pubDateStr='2025-07-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792921011000, creator='13701087609', updateTime=1792921011000, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=792, endPage=796, ext={EN=ArticleExt(id=1321169820347904231, articleId=1321169820133994726, tenantId=1146029695717560320, journalId=1319373219989389464, language=EN, title=Whole-genome sequencing of two monkeypox virus isolates from Dalian based on amplicon sequencing technology, columnId=1321169758473539832, journalTitle=Chinese Journal of Public Health, columnName=Special Report – Infectious Disease Surveillance, runingTitle=null, highlight=null, articleAbstract=
Objective

To establish a whole-genome sequencing (WGS) workflow and molecular tracing method for monkeypox virus (MpxV) based on amplicon sequencing technology combined with a high-throughput sequencing platform and bioinformatics analysis techniques, providing technical support for molecular epidemiological research of monkeypox cases in Dalian city.

Methods

By taking total nucleic acid extracted from vesicle fluid samples of monkeypox cases as templates, a cDNA library was constructed on the Ion Torrent sequencing platform via WGS technology. Template preparation and sequencing were completed. Using the built-in plug-ins of Ion GeneStudio S5 Plus and NC063383.1 as the reference sequence, data quality control, base identification, sequence alignment, variant analysis, and whole-genome sequence assembly were performed to obtain consensus sequences (Fasta files). Online analysis tools were used to analyze the whole-genome characteristics, genotyping, and genetic evolutionary relationships of MpxV.

Results

The cycle threshold (Ct) values of MpxV nucleic acid detection in vesicle fluid samples from the two patients were 28.03 and 29.60, respectively. The consensus sequence obtained from sample 1 was a 197 084 bp MpxV whole-genome sequence with a total of 3 470 722 reads, an average sequencing depth of 3 205, an average read length of 182 bp, and approximately 98.8% coverage. The consensus sequence obtained from sample 2 was a 197 099 bp MpxV whole-genome sequence with a total of 1 440 296 reads, an average sequencing depth of 746.7, an average read length of 105 bp, and approximately 97.8% coverage. Sample 1 had 84 single nucleotide mutations and 40 amino acid mutations, while sample 2 had 85 single nucleotide mutations and 42 amino acid mutations. Both samples belonged to the C.1.1 sub-branch of the MpxV IIb clade (West African clade). hMpxV/China/ DLCDC-01 was closely related to the sequences EPI_ISL18213375, EPI_ISL19058867, EPI_ISL18213374, EPI_ISL19058866, and EPI_ISL19058873 submitted from Guangdong province, China, and EPIISL_18059184 submitted from Yunnan province, China. hMpxV/China/DLCDC-02 was not homologous to hMpxV/China/DLCDC-01 or the 20 valid sequences from China uploaded to GISAID.

Conclusions

Consensus sequences of MpxV were obtained from vesicle fluid samples of two patients, successfully establishing WGS technology, bioinformatics analysis, and molecular tracing methods for MpxV in Dalian city.

, authors=Xingying LANG, Nan SUN, Xue TENG, Yingli LIU, Mingchun LUAN, authorsList=Xingying LANG, Nan SUN, Xue TENG, Yingli LIU, Mingchun LUAN, authorCompany=null, correspAuthors=Xingying LANG, authorNote=null, correspAuthorsNote=
LANG Xingying, E-mail:
, copyrightStatement=Copyright © 2025 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=1321169821102878956, articleId=1321169820133994726, tenantId=1146029695717560320, journalId=1319373219989389464, language=CN, title=基于扩增子技术测定大连2例猴痘病毒全基因组特征, columnId=1321169758632923386, journalTitle=中国公共卫生, columnName=专题报道——传染病监测, runingTitle=null, highlight=null, articleAbstract=
目的

基于扩增子测序技术结合高通量测序平台和生物信息分析技术,建立猴痘病毒(MpxV)全基因组测序流程和分子溯源方法,为大连市猴痘病例分子流行病学研究提供技术支持。

方法

以猴痘病例的痘疱液样本总核酸为模板,通过全基因组测序技术在Ion Torrent测序平台构建cDNA文库,完成模板制备和测序,通过Ion GeneStudio S5 Plus内置插件,以NC_063383.1作为内参序列,通过数据质控、碱基识别、序列比对、变异分析和全基因组序列组装,获得一致性序列,即Fasta文件。采用在线分析工具分析MpxV的全基因组特征、基因分型,遗传进化关系。

结果

2例患者的痘疱液样本MpxV基因核酸检测Ct值分别为28.03,29.60。1号样本获得的一致性序列全长为197 084 bp的MpxV全基因组序列,总reads数3 470 722,平均测序深度3 205,平均读长为182 bp,覆盖率为98.8%;2号样本获得的一致性序列全长为197 099 bp的MpxV全基因组序列,总reads数1 440 296,平均测序深度746.7,平均读长为105 bp,覆盖率为97.8%。1号样本存在84个单核苷酸突变和40个氨基酸突变,2号样本存在85个单核苷酸突变和42个氨基酸突变。1号和2号样本均属于MpxVⅡb分支(西非分支)的C.1.1亚分支。hMpxV/China/DLCDC-01与中国广东省提交序列EPI_ISL_18213375、EPI_ISL_19058867、EPI_ISL_18213374、EPI_ISL_19058866、EPI_ISL_19058873,中国云南省提交序列EPI_ISL_18059184的进化关系较近。hMpxV/China/DLCDC-02与hMpxV/China/DLCDC-01及GISAID上传的中国20条有效序列不同源。

结论

从2例患者痘疱液样本获得MpxV的一致性序列,成功构建了大连市MpxV全基因组测序技术和生物信息分析及分子溯源方法。

, authors=郎兴莹*, *, 孙楠, 滕雪, 刘颖丽, 栾明春, authorsList=郎兴莹, 孙楠, 滕雪, 刘颖丽, 栾明春, authorCompany=null, correspAuthors=郎兴莹, authorNote=

郎兴莹(1987—),副主任技师,研究方向:呼吸道病原鉴定、基因组学和生物信息分析

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郎兴莹,E-mail:
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注:比较大连2条MpxV全基因组序列与参考基因组(NC_063383. 1)和GISAID下载20条来自中国MpxV全基因组序列单核苷酸变异情况。

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基于扩增子技术测定大连2例猴痘病毒全基因组特征
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郎兴莹 *, * , 孙楠 , 滕雪 , 刘颖丽 , 栾明春
中国公共卫生 | 专题报道——传染病监测 2025,41(7): 792-796
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中国公共卫生 |专题报道——传染病监测 2025 , 41 (7) : 792 -796
基于扩增子技术测定大连2例猴痘病毒全基因组特征
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郎兴莹*, * , 孙楠, 滕雪, 刘颖丽, 栾明春
作者信息
  • 大连市疾病预防控制中心,大连 116035
通讯作者:
郎兴莹,E-mail:
作者简介:

郎兴莹(1987—),副主任技师,研究方向:呼吸道病原鉴定、基因组学和生物信息分析

Whole-genome sequencing of two monkeypox virus isolates from Dalian based on amplicon sequencing technology
Xingying LANG , Nan SUN, Xue TENG, Yingli LIU, Mingchun LUAN
Affiliations
  • Dalian Center for Disease Control and Prevention, Dalian, 116035, China
  • Corresponding Author:
    LANG Xingying, E-mail:
出版时间: 2025-07-10 doi: 10.11847/zgggws1145912
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目的

基于扩增子测序技术结合高通量测序平台和生物信息分析技术,建立猴痘病毒(MpxV)全基因组测序流程和分子溯源方法,为大连市猴痘病例分子流行病学研究提供技术支持。

方法

以猴痘病例的痘疱液样本总核酸为模板,通过全基因组测序技术在Ion Torrent测序平台构建cDNA文库,完成模板制备和测序,通过Ion GeneStudio S5 Plus内置插件,以NC_063383.1作为内参序列,通过数据质控、碱基识别、序列比对、变异分析和全基因组序列组装,获得一致性序列,即Fasta文件。采用在线分析工具分析MpxV的全基因组特征、基因分型,遗传进化关系。

结果

2例患者的痘疱液样本MpxV基因核酸检测Ct值分别为28.03,29.60。1号样本获得的一致性序列全长为197 084 bp的MpxV全基因组序列,总reads数3 470 722,平均测序深度3 205,平均读长为182 bp,覆盖率为98.8%;2号样本获得的一致性序列全长为197 099 bp的MpxV全基因组序列,总reads数1 440 296,平均测序深度746.7,平均读长为105 bp,覆盖率为97.8%。1号样本存在84个单核苷酸突变和40个氨基酸突变,2号样本存在85个单核苷酸突变和42个氨基酸突变。1号和2号样本均属于MpxVⅡb分支(西非分支)的C.1.1亚分支。hMpxV/China/DLCDC-01与中国广东省提交序列EPI_ISL_18213375、EPI_ISL_19058867、EPI_ISL_18213374、EPI_ISL_19058866、EPI_ISL_19058873,中国云南省提交序列EPI_ISL_18059184的进化关系较近。hMpxV/China/DLCDC-02与hMpxV/China/DLCDC-01及GISAID上传的中国20条有效序列不同源。

结论

从2例患者痘疱液样本获得MpxV的一致性序列,成功构建了大连市MpxV全基因组测序技术和生物信息分析及分子溯源方法。

猴痘病毒(MpxV)  /  高通量测序  /  全基因组特征  /  大连市
Objective

To establish a whole-genome sequencing (WGS) workflow and molecular tracing method for monkeypox virus (MpxV) based on amplicon sequencing technology combined with a high-throughput sequencing platform and bioinformatics analysis techniques, providing technical support for molecular epidemiological research of monkeypox cases in Dalian city.

Methods

By taking total nucleic acid extracted from vesicle fluid samples of monkeypox cases as templates, a cDNA library was constructed on the Ion Torrent sequencing platform via WGS technology. Template preparation and sequencing were completed. Using the built-in plug-ins of Ion GeneStudio S5 Plus and NC063383.1 as the reference sequence, data quality control, base identification, sequence alignment, variant analysis, and whole-genome sequence assembly were performed to obtain consensus sequences (Fasta files). Online analysis tools were used to analyze the whole-genome characteristics, genotyping, and genetic evolutionary relationships of MpxV.

Results

The cycle threshold (Ct) values of MpxV nucleic acid detection in vesicle fluid samples from the two patients were 28.03 and 29.60, respectively. The consensus sequence obtained from sample 1 was a 197 084 bp MpxV whole-genome sequence with a total of 3 470 722 reads, an average sequencing depth of 3 205, an average read length of 182 bp, and approximately 98.8% coverage. The consensus sequence obtained from sample 2 was a 197 099 bp MpxV whole-genome sequence with a total of 1 440 296 reads, an average sequencing depth of 746.7, an average read length of 105 bp, and approximately 97.8% coverage. Sample 1 had 84 single nucleotide mutations and 40 amino acid mutations, while sample 2 had 85 single nucleotide mutations and 42 amino acid mutations. Both samples belonged to the C.1.1 sub-branch of the MpxV IIb clade (West African clade). hMpxV/China/ DLCDC-01 was closely related to the sequences EPI_ISL18213375, EPI_ISL19058867, EPI_ISL18213374, EPI_ISL19058866, and EPI_ISL19058873 submitted from Guangdong province, China, and EPIISL_18059184 submitted from Yunnan province, China. hMpxV/China/DLCDC-02 was not homologous to hMpxV/China/DLCDC-01 or the 20 valid sequences from China uploaded to GISAID.

Conclusions

Consensus sequences of MpxV were obtained from vesicle fluid samples of two patients, successfully establishing WGS technology, bioinformatics analysis, and molecular tracing methods for MpxV in Dalian city.

monkeypox virus (MPXV)  /  high-throughput sequencing  /  whole-genome characteristics  /  Dalian city
郎兴莹, 孙楠, 滕雪, 刘颖丽, 栾明春. 基于扩增子技术测定大连2例猴痘病毒全基因组特征. 中国公共卫生, 2025 , 41 (7) : 792 -796 . DOI: 10.11847/zgggws1145912
Xingying LANG, Nan SUN, Xue TENG, Yingli LIU, Mingchun LUAN. Whole-genome sequencing of two monkeypox virus isolates from Dalian based on amplicon sequencing technology[J]. Chinese Journal of Public Health, 2025 , 41 (7) : 792 -796 . DOI: 10.11847/zgggws1145912
猴痘病毒(monkeypox virus, MpxV),是全长约197 kb的双链DNA病毒,属于痘病科正痘病毒属。1958年,丹麦的研究人员首次在非洲绿猴身上分离出MpxV。1970年,刚果出现第一例猴痘感染病例[1]。2022年5月以来,全球100多个国家和地区发生猴痘疫情;2022年6月,中国疾病预防控制中心下发猴痘防控技术指南(2022版)[2];2022年7月,世界卫生组织将猴痘疫情暴发列为“国际关注的突发公共卫生事件”;2022年9月我国报告首例猴痘输入病例[3–4];2023年6月多省份先后报告猴痘病例,引发本土续发病例,隐匿传播的风险较高;2023年7月,国家卫生健康委与国家疾病预防控制局共同制定并印发了《猴痘防控方案》;2023年9月20日国家卫生健康委将猴痘纳入《中华人民共和国传染病防治法》规定的乙类传染病进行管理,采取乙类传染病的预防、控制措施。2023年7月4日,大连市出现第1例MpxV感染者,经中国疾病预防控制中心全基因组测序,反馈结果显示,均属于MpxVⅡb分支(西非分支)的C.1(全称为B.1.3.1)亚分支。截止到2023年12月31日大连市共确诊16例MpxV感染者。为明确续发感染者MpxV的基因特征、构建大连市MpxV变异特征和分子溯源方法、了解MpxV进一步传播的可能性,本研究通过对2例MpxV感染者的痘疱液样本全基因组测序和生物信息分析,建立了大连市本土MpxV的基因组特征和变异特征,以助力MpxV的分子流行病学溯源。
2023年7月大连市2例MpxV感染者的痘疱液样本,本研究编号为hMpxV/China/DLCDC-01和hMpxV/China/DLCDC-02。本研究通过大连市疾病预防控制中心医学伦理专家委员会伦理审查(伦理审查批件编号:2023009)。
使用核酸提取或纯化试剂(天隆)和MpxV核酸测定试剂盒(荧光定量PCR,之江)。
以提取的病毒DNA为模板,使用Ion AmpliSeq™ Kit for Chef DL8和Ion AmpliSeq™ Monkeypox Panel(扩增子数目:1 609个 ,2个引物pool:pool1:805,pool2:804,扩增子长度范围:125~275 bp,基因组覆盖度:覆盖猴痘基因组99.52%,质控:内含10个质控扩增子,包含AmeX和AmeY,8个sample ID,可区分样本性别,避免弄错),在Ion Chef System(Thermo Fisher Scientific,美国)构建MpxV文库;采用Ion 510™ & Ion 520™ & Ion 530™ Kit-Chef和Ion 530™ Chip Kit,在Ion Chef System制备高通量测序模板,并在Ion GeneStudio S5 Plus(Thermo Fisher Scientific)测序。
利用Ion GeneStudio S5 Plus内置插件(virus_coverageAnalysis、generateConsensus和variantCaller MpxV),以NC_063383.1作为内参序列,通过数据质控,完成原始数据的处理,包括碱基识别、序列比对、变异分析和全基因组序列组装,获得一致性序列,即Fasta文件。同时获得测序深度、比对率和均一性等指标。
利用在线网站Nextclade(https://clades.nextstrain.org/),对一致性序列进行基因组谱系分型和突变位点分析。
通过NCBI网站下载参考基因组NC_063383.1,GISAID网站下载MpxV的Ⅰa分支、Ⅰb分支、Ⅱa分支和Ⅱb分支,包括中国上传的全部序列28条,采集时间2022年9月14日—2023年10月,上传时间2022年9月17日—2024年7月20日。使用MAFFT软件比对多序列。以NC_063383.1作为参考基因组,使用Iqtree软件(最大似然法ML,Bootstrap值定为1 000)构建系统发育进化树。
对2例患者的痘疱液样本进行MpxV的荧光RT-PCR核酸检测,结果均为阳性;Ct值分别为1号样本28.03、2号样本29.60。
2份阳性核酸通过全基因高通量测序,1号样本获得一致性序列全长197 084 bp的 MpxV全基因组序列,总reads数3 470 722,平均测序深度3 205,平均读长182 bp(Ion AmpliSeq™ Monkeypox Panel的扩增子长度范围:125~275 bp),覆盖率约98.8%:2号样本获得一致性序列全长197 099 bp的 MpxV全基因组序列,总reads数1 440 296,平均测序深度746.7,平均读长105 bp,覆盖率约97.8%。
通过在线分析工具Nextclade分析,1号和2号样本均属于MpxVⅡb分支(西非分支)的C.1.1分支,1号样本存在84个单核苷酸突变和40个氨基酸突变;2号样本存在85个单核苷酸突变和42个氨基酸突变。在GISAID下载中国上传的全部MpxV基因序列28条,其中20条为QC质控优秀有效序列,包括2条B.1分支、18条C.1.1分支。将上述20条MpxV基因有效序列和2条大连MpxV基因有效序列的SNP比较(22条MpxV基因有效序列的覆盖率97.8%~100.0%)。
hMpxV/China/DLCDC-01比hMpxV/China/SZ-SZTH41/2023'EPI_ISL_18213375序列少了C171293T。hMpxV/China/DLCDC-01比hMpxV/China/GZ-GCDC_M011/2023'EPI_ISL_19058867新增C150385T和C164385T。hMpxV/China/DLCDC-01比hMpxV/China/YN-CDC-0003/2023'EPI_ISL_18059184、hMpxV/China/SZ-SZTH42/2023'EPI_ISL_18213374、hMpxV/China/FS-GCDC_M108/2023'EPI_ISL_19058866和hMpxV/China/GZ-GCDC_M050/2023'EPI_ISL_19058873序列新增G13563A、C150385T和C164385T。hMpxV/China/DLCDC-01与我国广东省的猴痘全基因组序列高度同源。
hMpxV/China/DLCDC-02比hMpxV/China/YN-CDC-0003/2023'EPI_ISL_18059184、hMpxV/China/SZ-SZTH42/2023'EPI_ISL_18213374、hMpxV/China/FS-GCDC_M108/2023'EPI_ISL_19058866、hMpxV/China/GZ-GCDC_M050/2023'EPI_ISL_19058873和hMpxV/China/DLCDC-01新增A28530T、C66983T、G94552A、C116142T、C142797T、G167802A和T169721A。除上述外,hMpxV/China/DLCDC-01比hMpxV/China/DLCDC-02新增G13563A、C150385T和C164385T,hMpxV/China/DLCDC-01与hMpxV/China/DLCDC-02不同源。hMpxV/China/DLCDC-02比hMpxV/Portugal/INSA-PT0715/2023'EPI_ISL_18553823和hMpxV/USA/CA-LACPHL-MA00586/2023'EPI_ISL_18993183新增A28530T、C66983T、G94552A、C116142T、G167802A和T169721A,比前者少了G150753A,比后者少了G32120A和C73431T。
在GISAID下载中国上传的全部序列28条,采集时间从2022年9月14日—2023年10月,上传时间2022年9月17日—2024年7月20日。通过Nextclade分析,选择Mpox virus (All clades)模块,参考基因组为NC_063383.1(Isolate MpxV-M5312_HM12_Rivers)。获得27条序列,1条未能获得序列(可能由于提供的序列质量低,或者使用了不正确的参考序列)。27条序列的Clade分型均属于Ⅱb分支,其中6条为B.1分支、1条C.1分支、20条C.1.1分支。27条序列的覆盖率为98.2%~100.00%,2条B.1分支和18条C.1.1分支的基因序列QC质控优秀,4条B.1分支、1条C.1分支和2条C.1.1分支的基因序列存在移码Frame shifts,QC质控不合格。在NCBI下载1条参考基因组NC_063383.1,在GISAID下载2条Ⅰa分支、2条Ⅰb分支、2条Ⅱa分支、19条Ⅱb分支、中国的20条QC质控优秀有效序列和大连2条QC质控优秀有效序列,共计48条,基于MpxV全基因组序列构建遗传进化树如图2。
本研究通过对大连市痘疱液样本提取的MpxV总核酸进行扩增子测序、构建文库、制备模板、上机测序、数据质控、数据优化及组装拼接,成功建立了MpxV全基因组测序流程和生物信息分析流程,获得了2条MpxV全基因组有效序列,通过分析比较病毒的核苷酸变异位点、全基因组分型及遗传进化分析,对2例MpxV病例进行了分子流行病学溯源,为大连市MpxV疫情防控提供了科学依据。
MpxV基因组较大且具有末端串联重复等复杂特征,临床样本类型多样且病毒载量一般较低,因此,样本的采集部位和基因组测序方式的选择,对分子溯源和病毒变异监测预警至关重要。有研究证实,MpxV核酸检测中痘疱液的病毒载量高于咽拭子,故而建议尽量采集病变部位的痘疱液[5–7]。有研究评估了mNGS、扩增子测序技术及3种测序平台在猴痘病毒基因组测序方面的综合表现[8–9],表明MpxV扩增子测序技术可高效地应用于临床样本测序且成本较低,利于获得高质量的猴痘基因组[10]。通过分子遗传进化分析,国际上普遍将MpxV分为2个进化分支[11]:分支Ⅰ和Ⅱ,分支Ⅰ曾称为中非分支或刚果盆地分支,分支Ⅱ曾称为西非分支,进一步分为Ⅱa和Ⅱb。其中,引发2022年全球非地方性流行区猴痘暴发疫情的毒株为新分类的谱系Ⅱb分支B.1谱系[12–15],MpxV-2022毒株与2018年分离的MpxV毒株属于同一谱系,其流行病学特征发生了重大转变。与2018年的MpxV毒株相比,在MpxV-2022毒株中共观察到46个新的一致突变,包括24个非同义突变[12]。MpxV-2022B.1谱系,包括13个衍生谱系,在与免疫逃逸、毒力因子和宿主识别相关的几个基因中存在10种独特的非同义突变[16]。截止2024年9月1日,通过GISAID查询,Ⅱb分支目前分为33个谱系,包括Ⅱb A分支8个谱系(A、A.1、A.1.1、A.2、A.2.1、A.2.2、A.2.3、A.3),Ⅱb B.1分支23个谱系(B.1、B.1.1、B.1.10-B.1.19、B.1.2、B.1.20-B.1.22、B.1.3-B.1.9),Ⅱb C.1分支2个谱系(C.1和C.1.1)。
2023年7月4日大连确诊首例输入MpxV病例,将首例和后续发现的其他3例MpxV感染者的样本送至中国疾病预防控制中心,反馈测序报告显示,4条序列均属于MpxV Ⅱb分支(西非分支)的C.1(全称为 B.1.3.1)亚分支。与其中3例MpxV感染者进化关系最近的为中国云南省提交序列EPI_ISL_18059184和中国广东省提交序列EPI_ISL_18213374。本研究中,hMpxV/China/DLCDC-01和hMpxV/China/DLCDC-02的2条序列均属于MpxV Ⅱb分支(西非分支)的C.1.1(全称为 B.1.3.1.1)亚分支,hMpxV/China/DLCDC-01与中国广东省提交序列EPI_ISL_18213375、EPI_ISL_19058867、EPI_ISL_18213374、EPI_ISL_19058866和EPI_ISL_19058873,中国云南省提交序列EPI_ISL_18059184的进化关系较近,与中国疾病预防控制中心溯源的结果处于同一进化分支。hMpxV/China/DLCDC-02与hMpxV/China/DLCDC-01及GISAID上传的20条中国有效序列进化关系较远,不同源。
随着全球一体化进程带来的人员和货物流动,也给MpxV快速传播创造了条件。为应对猴痘疫情的变化,海关口岸、疾病预防控制中心与医疗机构应继续加强对猴痘疫情的防控监测,推进数据的全球共享,有助于分析病原的基因组特征与遗传进化关系,为快速溯源和指导防控措施的制定提供依据。

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doi: 10.11847/zgggws1145912
  • 接收时间:2024-09-10
  • 首发时间:2026-10-25
  • 出版时间:2025-07-10
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  • 收稿日期:2024-09-10
  • 修回日期:2025-02-18
  • 录用日期:2025-04-19
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    大连市疾病预防控制中心,大连 116035

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2种不同金属材料的力学参数
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genus
种数
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species
占总种数比例
Percentage of
total species (%)
属
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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