Article(id=1307013140584100842, tenantId=1146029695717560320, journalId=1306274286668972124, issueId=1307013104081068276, articleNumber=null, orderNo=null, doi=10.11843/j.issn.0366-6964.2026.02.032, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1748880000000, receivedDateStr=2025-06-03, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1789545815845, onlineDateStr=2026-09-16, pubDate=1771776000000, pubDateStr=2026-02-23, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789545815845, onlineIssueDateStr=2026-09-16, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789545815845, creator=13701087609, updateTime=1789545815845, updator=13701087609, issue=Issue{id=1307013104081068276, tenantId=1146029695717560320, journalId=1306274286668972124, year='2026', volume='57', issue='2', pageStart='569', pageEnd='1176', issueExtLink='null', onlineDate='null', pubDate='1771776000000', pubDateStr='2026-02-23', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789545807142, creator='13701087609', updateTime=1789609910854, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1307281975350419753, tenantId=1146029695717560320, journalId=1306274286668972124, issueId=1307013104081068276, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1307281975350419754, tenantId=1146029695717560320, journalId=1306274286668972124, issueId=1307013104081068276, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=955, endPage=964, ext={EN=ArticleExt(id=1307013140806398955, articleId=1307013140584100842, tenantId=1146029695717560320, journalId=1306274286668972124, language=EN, title=Replication Characteristics and Pathogenicity of a Cell-Adapted Porcine Epidemic Diarrhea Virus G2b Strain, columnId=1307007432299930010, journalTitle=Acta Veterinaria et Zootechnica Sinica, columnName=PREVENTIVE VETERINARY MEDICINE, runingTitle=null, highlight=null, articleAbstract=
The aim of this study was to investigate the replication characteristics and pathogenicity of a cell-adapted strain derived from a prevalent PEDV isolate. The viral strain isolated from a large-scale pig farm was serially passaged in Vero cells to different generations. The biological characteristics of the virus were evaluated in vitro, and the 25th (F25) and 141st (F141) passages were inoculated into 3-day-old piglets to compare their pathogenic differences. The results showed that typical syncytial cytopathic effects (CPE) caused by PEDV were observed in Vero cells at the 4th blind passage of the clinical inoculum. By the 25th passage, both the CPE morphology and viral titers had stabilized. Upon reaching the 141st passage, the viral titer increased significantly and induced a more rapid cytopathic effect. Indirect immunofluorescence assay (IFA) specifically detected the expression of the PEDV N protein, and genomic sequence analysis identified the strain as genotype G2b. Pig challenge experiments demonstrated that, compared with the low-passage parental strain (YJH/2017/F25), the YJH/2017/F141-inoculated group showed no significant clinical symptoms or histopathological lesions, along with a significant reduction in viral shedding via anal swabs. All assessed parameters showed no significant difference from those of the DMEM control group, indicating reduced pathogenicity and favorable safety profile of the strain. These findings indicate that after serial in vitro passaging, the prevalent PEDV strain acquired enhanced cell adaptability while exhibiting decreased pathogenicity in neonates. This study provides a promising candidate strain for the development of an attenuated PEDV vaccine, and its complete genomic sequence and biological characteristics establish a foundation for further research on recombinant viruses.
, authors=Fan YANG
1, Guofang HU
1, Ziwen WEI
1, Yingshan ZHOU
1, Houhui SONG
1, Haijian HE
2, Wanyu DONG
1, Xiaodu WANG
1, authorsList=Fan YANG, Guofang HU, Ziwen WEI, Yingshan ZHOU, Houhui SONG, Haijian HE, Wanyu DONG, Xiaodu WANG, authorCompany=null, correspAuthors=Haijian HE, Wanyu DONG, Xiaodu WANG, authorNote=null, correspAuthorsNote=
, copyrightStatement=null, 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=1307013143092294652, articleId=1307013140584100842, tenantId=1146029695717560320, journalId=1306274286668972124, language=CN, title=一株猪流行性腹泻病毒G2b亚型细胞适应性毒株的复制特性及致病性, columnId=1307007432459313564, journalTitle=畜牧兽医学报, columnName=预防兽医, runingTitle=null, highlight=null, articleAbstract=
旨在探究猪流行性腹泻病毒(PEDV)流行株细胞适应后的复制特性及致病性,本研究将分离自某规模化猪场的PEDV流行毒株在Vero细胞中连续传代至不同代次,分别评价该毒株在细胞上的生物学特性,并将第25代和第141代病毒接种至3日龄仔猪,以比较其致病性差异。结果表明:临床病料接种液盲传至第4代时,在Vero细胞上形成PEDV典型合胞体病变;传代至25代时,细胞病变形态与病毒滴度趋于稳定;传代至141代时,病毒滴度显著提高,并诱发更快速的细胞病变效应。间接免疫荧光试验(IFA)可特异性检出PEDV N蛋白表达,序列分析表明该毒株为G2b型。仔猪攻毒试验表明,与亲本低代次毒株(YJH/2017/F25)相比,YJH/2017/F141接种组未出现明显临床症状或组织病理损伤,且肛拭子病毒排放量显著减少,各项指标与DMEM对照组无显著差异,该毒株的致病性较低而具有较好安全性。以上结果说明该流行毒株在体外连续传代后获得了更好的细胞适应性且对新生仔猪的致病性降低,本研究为PEDV弱毒疫苗研发提供新的候选毒株,其全基因组序列和生物学特征也为后续重组病毒研究奠定了基础。
, authors=杨帆
1, 胡国芳
1, 魏子文
1, 周莹珊
1, 宋厚辉
1, 何海健
2, 董婉玉
1, 王晓杜
1, authorsList=杨帆, 胡国芳, 魏子文, 周莹珊, 宋厚辉, 何海健, 董婉玉, 王晓杜, authorCompany=null, correspAuthors=何海健, 董婉玉, 王晓杜, authorNote=
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1.Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province,Zhejiang Engineering Research Center for Veterinary Diagnostics & Advanced Technology,Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management,“Belt and Road” International Joint Laboratory for One Health and Food Safety,China-Australia Joint Laboratory for Animal Health Big Data Analytics,College of Veterinary Medicine of Zhejiang A&F University,Hangzhou 311300,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1307282441304043861, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, authorId=1307282439454355794, language=CN, stringName=杨帆, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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杨帆,主要从事猪流行性腹泻病毒复制机制研究,E-mail: 17615848963@163.com
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杨帆,主要从事猪流行性腹泻病毒复制机制研究,E-mail: 17615848963@163.com
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1.浙江农林大学动物医学院,浙江省畜禽绿色生态健康养殖应用技术研究重点实验室/动物健康互联网检测技术浙江省工程研究中心/浙江省动物医学与健康管理国际科技合作基地/同一健康和食品安全“一带一路”国际联合实验室/中澳动物健康大数据分析联合实验室,杭州 311300)])]), Author(id=1307282441396318551, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1307282441492787545, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, authorId=1307282441396318551, language=EN, stringName=Guofang HU, firstName=Guofang, middleName=null, lastName=HU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.浙江农林大学动物医学院,浙江省畜禽绿色生态健康养殖应用技术研究重点实验室/动物健康互联网检测技术浙江省工程研究中心/浙江省动物医学与健康管理国际科技合作基地/同一健康和食品安全“一带一路”国际联合实验室/中澳动物健康大数据分析联合实验室,杭州 311300, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1307282439236251979, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, xref=1., ext=[AuthorCompanyExt(id=1307282439244640588, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, companyId=1307282439236251979, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province,Zhejiang Engineering Research Center for Veterinary Diagnostics & Advanced Technology,Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management,“Belt and Road” International Joint Laboratory for One Health and Food Safety,China-Australia Joint Laboratory for Animal Health Big Data Analytics,College of Veterinary Medicine of Zhejiang A&F University,Hangzhou 311300,China), AuthorCompanyExt(id=1307282439257223501, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, companyId=1307282439236251979, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.浙江农林大学动物医学院,浙江省畜禽绿色生态健康养殖应用技术研究重点实验室/动物健康互联网检测技术浙江省工程研究中心/浙江省动物医学与健康管理国际科技合作基地/同一健康和食品安全“一带一路”国际联合实验室/中澳动物健康大数据分析联合实验室,杭州 311300)])]), Author(id=1307282441673142620, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1307282441773805918, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, authorId=1307282441673142620, language=EN, stringName=Ziwen WEI, firstName=Ziwen, middleName=null, lastName=WEI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province,Zhejiang Engineering Research Center for Veterinary Diagnostics & Advanced Technology,Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management,“Belt and Road” International Joint Laboratory for One Health and Food Safety,China-Australia Joint Laboratory for Animal Health Big Data Analytics,College of Veterinary Medicine of Zhejiang A&F University,Hangzhou 311300,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1307282441857691999, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, authorId=1307282441673142620, language=CN, stringName=魏子文, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.浙江农林大学动物医学院,浙江省畜禽绿色生态健康养殖应用技术研究重点实验室/动物健康互联网检测技术浙江省工程研究中心/浙江省动物医学与健康管理国际科技合作基地/同一健康和食品安全“一带一路”国际联合实验室/中澳动物健康大数据分析联合实验室,杭州 311300, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1307282439236251979, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, xref=1., ext=[AuthorCompanyExt(id=1307282439244640588, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, companyId=1307282439236251979, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.浙江农林大学动物医学院,浙江省畜禽绿色生态健康养殖应用技术研究重点实验室/动物健康互联网检测技术浙江省工程研究中心/浙江省动物医学与健康管理国际科技合作基地/同一健康和食品安全“一带一路”国际联合实验室/中澳动物健康大数据分析联合实验室,杭州 311300)])]), Author(id=1307282441949966689, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1307282442050629987, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, authorId=1307282441949966689, language=EN, stringName=Yingshan ZHOU, firstName=Yingshan, middleName=null, lastName=ZHOU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province,Zhejiang Engineering Research Center for Veterinary Diagnostics & Advanced Technology,Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management,“Belt and Road” International Joint Laboratory for One Health and Food Safety,China-Australia Joint Laboratory for Animal Health Big Data Analytics,College of Veterinary Medicine of Zhejiang A&F University,Hangzhou 311300,China), AuthorCompanyExt(id=1307282439257223501, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, companyId=1307282439236251979, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Virol J,2019,16(1):121., articleTitle=null, refAbstract=null)], funds=[Fund(id=1307282447889101207, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, awardId=LY23C180003, language=CN, fundingSource=浙江省自然科学基金项目(LY23C180003), fundOrder=null, country=null), Fund(id=1307282447968792984, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, awardId=2023C02023, language=CN, fundingSource=浙江省领雁计划项目(2023C02023), fundOrder=null, country=null), Fund(id=1307282448040096153, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, awardId=2023C02022, language=CN, fundingSource=浙江省领雁计划项目(2023C02022), fundOrder=null, country=null), Fund(id=1307282448107205018, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, awardId=LTGN24C180001, language=CN, fundingSource=浙江省自然科学基金基础公益项目(LTGN24C180001), fundOrder=null, country=null), Fund(id=1307282448161730971, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, awardId=2023-2-022, language=CN, fundingSource=金华市科技计划项目(2023-2-022), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1307282439236251979, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, xref=1., ext=[AuthorCompanyExt(id=1307282439244640588, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, companyId=1307282439236251979, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province,Zhejiang Engineering Research Center for Veterinary Diagnostics & Advanced Technology,Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management,“Belt and Road” International Joint Laboratory for One Health and Food Safety,China-Australia Joint Laboratory for Animal Health Big Data Analytics,College of Veterinary Medicine of Zhejiang A&F University,Hangzhou 311300,China), AuthorCompanyExt(id=1307282439257223501, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, companyId=1307282439236251979, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.浙江农林大学动物医学院,浙江省畜禽绿色生态健康养殖应用技术研究重点实验室/动物健康互联网检测技术浙江省工程研究中心/浙江省动物医学与健康管理国际科技合作基地/同一健康和食品安全“一带一路”国际联合实验室/中澳动物健康大数据分析联合实验室,杭州 311300)]), AuthorCompany(id=1307282439353692494, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, xref=2., ext=[AuthorCompanyExt(id=1307282439362081103, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, companyId=1307282439353692494, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.College of Agriculture,Jinhua University of Vocational Technology,Jinhua 321017,China), AuthorCompanyExt(id=1307282439374664016, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, companyId=1307282439353692494, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.金华职业技术大学农学院,金华 321017)])], figs=[ArticleFig(id=1307282445791949185, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=EN, label=Fig.1, caption=
Amplification results of the PEDV N gene fragment, figureFileSmall=ZgPNEu0tB+FIV4wPM2JVmA==, figureFileBig=5NhxoyVD8xi/33XdOqOJtA==, tableContent=null), ArticleFig(id=1307282445909389698, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=CN, label=图1, caption=
PEDV N基因片段扩增结果, figureFileSmall=ZgPNEu0tB+FIV4wPM2JVmA==, figureFileBig=5NhxoyVD8xi/33XdOqOJtA==, tableContent=null), ArticleFig(id=1307282446022635907, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=EN, label=Fig.2, caption=
Cytopathic effects (CPE) in Vero cells infected with YJH/2017/F25 or YJH/2017/F141, figureFileSmall=SFkIODkpUU5XU0vD+eLaAg==, figureFileBig=hygLPuPwUR22bxjXpM4oRg==, tableContent=null), ArticleFig(id=1307282446098133380, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=CN, label=图2, caption=
YJH/2017/F25、YJH/2017/F141感染Vero细胞的CPE结果, figureFileSmall=SFkIODkpUU5XU0vD+eLaAg==, figureFileBig=hygLPuPwUR22bxjXpM4oRg==, tableContent=null), ArticleFig(id=1307282446194602373, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=EN, label=Fig.3, caption=
Phylogenetic tree of the PEDV S gene, figureFileSmall=kBdU+y6Cu3GXLV4bvkeuZw==, figureFileBig=QGcamUrm3KDgdn2Joe4QUg==, tableContent=null), ArticleFig(id=1307282446261711238, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=CN, label=图3, caption=
PEDV S基因系统发育树, figureFileSmall=kBdU+y6Cu3GXLV4bvkeuZw==, figureFileBig=QGcamUrm3KDgdn2Joe4QUg==, tableContent=null), ArticleFig(id=1307282446345597319, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=EN, label=Fig.4, caption=
Multi-Step Growth Curves of YJH/2017/F141 and YJH/2017/F25***.P<0.001, extremely significant difference
, figureFileSmall=ks4YV+66zP5y3nTl74MIOQ==, figureFileBig=6s14W9TX0mB+xXEgXV1GFg==, tableContent=null), ArticleFig(id=1307282446425289096, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=CN, label=图4, caption=
YJH/2017/F141、YJH/2017/F25多步生长曲线***. P<0.001,数据间有极显著差异
, figureFileSmall=ks4YV+66zP5y3nTl74MIOQ==, figureFileBig=6s14W9TX0mB+xXEgXV1GFg==, tableContent=null), ArticleFig(id=1307282446509175177, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=EN, label=Fig.5, caption=
Plaque Morphology of YJH/2017/F141 and YJH/2017/F25, figureFileSmall=6WsUtHJhS9se1L8qp0I/og==, figureFileBig=HZQVnWFrjJXIwNDfXxGbng==, tableContent=null), ArticleFig(id=1307282446593061258, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=CN, label=图5, caption=
YJH/2017/F141、YJH/2017/F25噬斑形态, figureFileSmall=6WsUtHJhS9se1L8qp0I/og==, figureFileBig=HZQVnWFrjJXIwNDfXxGbng==, tableContent=null), ArticleFig(id=1307282446672753035, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=EN, label=Fig.6, caption=
Viral shedding in anal swabs and Intestinal autopsy lesionsA. Viral load detection in anal swabs by RT-qPCR; B. Results from intestinal postmortem examination in piglets
, figureFileSmall=AEgzvYN3nVYZgJ00FwRCog==, figureFileBig=obd0wH0OYy4fqNgcd2Sv0g==, tableContent=null), ArticleFig(id=1307282446773416332, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=CN, label=图6, caption=
肛拭子排毒量检测及肠道剖检变化A. RT-qPCR检测肛拭子病毒载量;B.仔猪肠道剖检结果
, figureFileSmall=AEgzvYN3nVYZgJ00FwRCog==, figureFileBig=obd0wH0OYy4fqNgcd2Sv0g==, tableContent=null), ArticleFig(id=1307282446882468237, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=EN, label=Fig.7, caption=
HE staining and immunohistochemical analysis of intestinal tissueA. Hematoxylin and eosin (HE) staining of intestinal tissue; B. Immunohistochemical analysis of intestinal tissue
, figureFileSmall=WiaJAiycKh2JN5TS2B0wig==, figureFileBig=AdBMpnxqL9sFPKmEujicrA==, tableContent=null), ArticleFig(id=1307282446983131534, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=CN, label=图7, caption=
肠道组织HE染色及免疫组化结果A.肠道组织苏木精-伊红(HE)染色;B.肠道组织免疫组化分析
, figureFileSmall=WiaJAiycKh2JN5TS2B0wig==, figureFileBig=AdBMpnxqL9sFPKmEujicrA==, tableContent=null), ArticleFig(id=1307282447075406223, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=EN, label=Table 1, caption=
Primer information
, figureFileSmall=null, figureFileBig=null, tableContent=
引物名称 Primer name | 引物序列(5′→3′) Primer sequences | 长度/bp Length |
|---|
| PEDV-F | GGGTTCCCTAAGGGTTGGAGGGTTC | 124 |
| PEDV-R | CCACTTGAAGGTGTTACGGACGTTTCTT |
| TGEV-F | GGGTTCCCTAAGGGTTGGAGGGTTC | 138 |
| TGEV-R | CACGTGGTCGTTCCAATTCCCGTGGTCG |
| PDCoV-F | GGGTTCCCTAAGGGTTGGAGG | 117 |
| PDCoV-R | CTGGCTGCGTTACACCAGACAAA |
| PoRV-F | GGGTTCCCTAAGGGTTGGAGGGTTCC | 131 |
| PoRV-R | TAATAATTACTATCGGCGCTGC |
), ArticleFig(id=1307282447197041040, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=CN, label=表1, caption=
引物信息
, figureFileSmall=null, figureFileBig=null, tableContent=
引物名称 Primer name | 引物序列(5′→3′) Primer sequences | 长度/bp Length |
|---|
| PEDV-F | GGGTTCCCTAAGGGTTGGAGGGTTC | 124 |
| PEDV-R | CCACTTGAAGGTGTTACGGACGTTTCTT |
| TGEV-F | GGGTTCCCTAAGGGTTGGAGGGTTC | 138 |
| TGEV-R | CACGTGGTCGTTCCAATTCCCGTGGTCG |
| PDCoV-F | GGGTTCCCTAAGGGTTGGAGG | 117 |
| PDCoV-R | CTGGCTGCGTTACACCAGACAAA |
| PoRV-F | GGGTTCCCTAAGGGTTGGAGGGTTCC | 131 |
| PoRV-R | TAATAATTACTATCGGCGCTGC |
), ArticleFig(id=1307282447310287249, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=EN, label=Table 2, caption=
Primer information for whole genome sequencing
, figureFileSmall=null, figureFileBig=null, tableContent=
引物名称 Primer name | 引物序列(5′→3′) Primer sequences | 长度/bp Length |
|---|
| PEDV Complete-01-F | GATTTTCTATCTACGGATAGTTAG | 2 043 |
| PEDV Complete-01-R | GCAACACTAGCGGCCACAGGCA |
| PEDV Complete-1951-F | CACCACTGGTCGTACAGTTG | 2 347 |
| PEDV Complete-1951-R | AATGGCCTTTGCTATGCC |
| PEDV Complete-4061-F | TGATGGTGATGCTAATTATG | 3 286 |
| PEDV Complete-4061-R | GTCGTCATCAGATAAAGT |
| PEDV Complete-6934-F | AATCCTTCTACGTACATGC | 3 541 |
| PEDV Complete-6934-R | AAATGCTCTGCCAAATAGT |
| PEDV Complete-10245-F | TCTGACTTTCTTTTGGTC | 2 966 |
| PEDV Complete-10245-R | TCCTGATTATCTAATGTGAC |
| PEDV Complete-12959-F | GTGTTACGCTTTACGTAAC | 3 368 |
| PEDV Complete-12959-R | AATCGACCGCTGCATGAG |
| PEDV Complete-16116-F | TATTCCACTATACATAAGTTG | 2 279 |
| PEDV Complete-16116-R | CCATTACAACCCTCCAAG |
| PEDV Complete-17938-F | ATGAGCATTGTAATGTACAT | 2 697 |
| PEDV Complete-17938-R | TTACGTTGACCAAATGAT |
| PEDV S1-20480-F | AGCAAGTTCAATTGTAAGCAT | 2 151 |
| PEDV S1-20480-R | CAACACAGAAAGAACTAAAC |
| PEDV S2-22039-F | CTCAAGTGTTCTCAGGT | 2 951 |
| PEDV S2-22039-R | GCGCCTCAAAGAAGAC |
| PEDV ORF3-24687-F | ACGGGTTGTTGTGGATGC | 1 910 |
| PEDV ORF3-24687-R | CAATTGGAAGGTTGTTCA |
| PEDV Complete-26132-F | TAGTGGTACATTGCTTGTAG | 1 909 |
| PEDV Complete-26132-R | TATCCATATCAACACCGTC |
), ArticleFig(id=1307282447423533458, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=CN, label=表2, caption=
全基因组测序引物信息
, figureFileSmall=null, figureFileBig=null, tableContent=
引物名称 Primer name | 引物序列(5′→3′) Primer sequences | 长度/bp Length |
|---|
| PEDV Complete-01-F | GATTTTCTATCTACGGATAGTTAG | 2 043 |
| PEDV Complete-01-R | GCAACACTAGCGGCCACAGGCA |
| PEDV Complete-1951-F | CACCACTGGTCGTACAGTTG | 2 347 |
| PEDV Complete-1951-R | AATGGCCTTTGCTATGCC |
| PEDV Complete-4061-F | TGATGGTGATGCTAATTATG | 3 286 |
| PEDV Complete-4061-R | GTCGTCATCAGATAAAGT |
| PEDV Complete-6934-F | AATCCTTCTACGTACATGC | 3 541 |
| PEDV Complete-6934-R | AAATGCTCTGCCAAATAGT |
| PEDV Complete-10245-F | TCTGACTTTCTTTTGGTC | 2 966 |
| PEDV Complete-10245-R | TCCTGATTATCTAATGTGAC |
| PEDV Complete-12959-F | GTGTTACGCTTTACGTAAC | 3 368 |
| PEDV Complete-12959-R | AATCGACCGCTGCATGAG |
| PEDV Complete-16116-F | TATTCCACTATACATAAGTTG | 2 279 |
| PEDV Complete-16116-R | CCATTACAACCCTCCAAG |
| PEDV Complete-17938-F | ATGAGCATTGTAATGTACAT | 2 697 |
| PEDV Complete-17938-R | TTACGTTGACCAAATGAT |
| PEDV S1-20480-F | AGCAAGTTCAATTGTAAGCAT | 2 151 |
| PEDV S1-20480-R | CAACACAGAAAGAACTAAAC |
| PEDV S2-22039-F | CTCAAGTGTTCTCAGGT | 2 951 |
| PEDV S2-22039-R | GCGCCTCAAAGAAGAC |
| PEDV ORF3-24687-F | ACGGGTTGTTGTGGATGC | 1 910 |
| PEDV ORF3-24687-R | CAATTGGAAGGTTGTTCA |
| PEDV Complete-26132-F | TAGTGGTACATTGCTTGTAG | 1 909 |
| PEDV Complete-26132-R | TATCCATATCAACACCGTC |
), ArticleFig(id=1307282447499030931, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=EN, label=Table 3, caption=
Primer information for absolute quantitative qPCR
, figureFileSmall=null, figureFileBig=null, tableContent=
引物名称 Primer name | 引物序列(5′→3′) Primer sequences | 长度/bp Length |
|---|
| PEDV-N-F | ACTAATAAAGGAAATAAGGACCAG | 207 |
| PEDV-N-R | GTTAGTGGGTTCAGTCTTTGC |
), ArticleFig(id=1307282447570334100, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=CN, label=表3, caption=
绝对定量qPCR引物信息
, figureFileSmall=null, figureFileBig=null, tableContent=
引物名称 Primer name | 引物序列(5′→3′) Primer sequences | 长度/bp Length |
|---|
| PEDV-N-F | ACTAATAAAGGAAATAAGGACCAG | 207 |
| PEDV-N-R | GTTAGTGGGTTCAGTCTTTGC |
), ArticleFig(id=1307282447641637269, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=EN, label=Table 4, caption=
Amino acid difference sites between YJH/2017/F25 and YJH/2017/F141
, figureFileSmall=null, figureFileBig=null, tableContent=
| 开放阅读框ORFs | 编码蛋白(氨基酸数/aa) Encoding protein (aa) | aa位置(aa) aa position(aa) | 氨基酸突变(YJH25→YJH141) Amino acid mutation |
|---|
| ORF1a | Nsp3(1 621) | 1 563 | T→K |
| ORF2 | S(1 386) | S1(792) | 27 | S→L |
| 55,56 | I,G→缺失 |
| 57 | E→K |
| 258 | N→H |
| 286 | A→T |
| 383 | T→I |
| 389 | A→G |
| S2(594) | 801 | N→T |
| 887 | S→R |
| 961 | M→I |
| 1 020 | A→T |
| 1 250 | R→K |
| 1 378 | E→TAA(STOP) |
| ORF3 | ORF3(224) | 146 | I→V |
| ORF4 | E(76) | 42 | H→Y |
| M(226) | 208 | A→V |
), ArticleFig(id=1307282447725523350, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013140584100842, language=CN, label=表4, caption=
YJH/2017/F25与YJH/2017/F141氨基酸差异位点
, figureFileSmall=null, figureFileBig=null, tableContent=
| 开放阅读框ORFs | 编码蛋白(氨基酸数/aa) Encoding protein (aa) | aa位置(aa) aa position(aa) | 氨基酸突变(YJH25→YJH141) Amino acid mutation |
|---|
| ORF1a | Nsp3(1 621) | 1 563 | T→K |
| ORF2 | S(1 386) | S1(792) | 27 | S→L |
| 55,56 | I,G→缺失 |
| 57 | E→K |
| 258 | N→H |
| 286 | A→T |
| 383 | T→I |
| 389 | A→G |
| S2(594) | 801 | N→T |
| 887 | S→R |
| 961 | M→I |
| 1 020 | A→T |
| 1 250 | R→K |
| 1 378 | E→TAA(STOP) |
| ORF3 | ORF3(224) | 146 | I→V |
| ORF4 | E(76) | 42 | H→Y |
| M(226) | 208 | A→V |
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