Article(id=1242118095855223562, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1242117794456732041, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1241452800000, receivedDateStr=2009-05-05, revisedDate=-2209017600000, revisedDateStr=1900-01-01, acceptedDate=null, acceptedDateStr=null, onlineDate=1144598400000, onlineDateStr=2006-04-10, pubDate=1144598400000, pubDateStr=2006-04-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1144598400000, onlineIssueDateStr=2006-04-10, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774073631488, creator=sys-migrate, updateTime=1774073631488, updator=sys-migrate, issue=Issue{id=1242117794456732041, tenantId=1146029695717560320, journalId=1146031591421210625, year='2006', volume='24', issue='0604', pageStart='1', pageEnd='94', issueExtLink='null', onlineDate='null', pubDate='1144598400000', pubDateStr='2006-04-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=3, issueType=-1, specialIssue=null, createTime=1774073559629, creator='sys-migrate', updateTime=1774073559629, updator='sys-migrate', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=18, endPage=21, ext={EN=ArticleExt(id=1242118098933846116, articleId=1242118095855223562, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Effects of Crystal Protein Cyt1A from Bacillus thuringiensis on Vip3A Toxicity, columnId=1242118087651164904, journalTitle=Science & Technology Review, columnName=农作物研究专题, runingTitle=null, highlight=null, articleAbstract=To investigate the influence of crystal protein Cyt1A on Vip3A expression and its insecticidal activity, the recombinant plasmid pHVC20 containing cyt1A and vip3A genes were constructed and transformed into the Bacillus thuringiensis acrystalliferous strain CryB, with CryB (pHPT3) strain only expressing Vip3A protein as control. Western blot showed that the maximum yield of Vip3A in CryB (pHVC20) was about 2 fold to that in CryB (pHPT3). It was deduced that the p20 gene in plasmid pHVC20 could not only be required for efficient production of Cyt1A protein but also promote Vip3A yields. Bioassay showed that LC50s of CryB(pHVC20) and CryB(pHPT3) against the first instar larvae of Spodoptera litura were 10.62 μg/ml and 78.00 μg/ml respectively, with the former performing enhanced insecticidal activity. This result suggested that Cyt1Aa might synergize the activity of Vip3A toxin towards S. litura., authors=null, authorsList=null, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=P8FABWJyNpFMhs+fh2N6Bw==, pdfFileSize=461576, 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=1242118097218372375, articleId=1242118095855223562, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=苏云金杆菌晶体蛋白Cyt1A对营养期杀虫蛋白Vip3A杀虫毒力的影响, columnId=1242118087164625635, journalTitle=科技导报, columnName=农作物研究专题, runingTitle=null, highlight=null, articleAbstract=为检测苏云金杆菌晶体蛋白Cyt1A对Vip3A表达和杀虫活性的影响,将p20和cyt1A基因与vip3A基因连接构建了重组质粒pHVC20,然后电激转化至苏云金杆菌无晶体突变株CryB中进行了共表达,以单独表达Vip3A蛋白的CryB(pHPT3)作为对照菌株。Westernblot结果显示,Vip3A蛋白在CryB(pHVC20)菌株中的最大表达量约为在CryB(pHPT3)菌株的2倍,这可能是由于前者中的辅助蛋白P20增加了Vip3A表达量的缘故,晶体蛋白Cyt1A的存在对Vip3A的正常表达没有影响。生物测定结果表明,CryB(pHVC20)和CryB(pHPT3)菌株对斜纹夜蛾初孵幼虫的LC50值分别为10.62!g/ml和78!g/ml,前者的毒力比后者提高了6倍,这表明Cyt1A蛋白和Vip3A蛋白对目标昆虫的毒力可能存在着协同增效作用。, authors=师永霞1，2,马文丽2，袁美妗1,陈建武1,庞义1,, authorsList=师永霞;马文丽;袁美妗;陈建武;庞义;, authorCompany=1中山大学生物防治国家重点实验室 广州 2南方医科大学基因工程研究所 广州, correspAuthors=null, authorNote=null, correspAuthorsNote=师永霞, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=/6r9YId16LPal4sU3u7Org==, pdfFileSize=461576, 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)}, 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