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Antisera-mediated in vivo reduction of Cry1Ac toxicity in Helicoverpa armigera
Liu, Chenxi1; Gao, Yulin1; Ning, Changming1,2; Wu, Kongming1; Oppert, Brenda3; Guo, Yuyuan1
2010
发表期刊JOURNAL OF INSECT PHYSIOLOGY
ISSN0022-1910
卷号56期号:7页码:718-724
摘要A functional assessment of Bacillus thuringiensis (Bt) toxin receptors in the midgut of lepidopteran insects will facilitate understanding of the toxin mode of action and provide effective strategies to counter the development of resistance. In this study, we produced anti-aminopeptidase (APN) and anti-cadherin sera with purified Cry1Ac toxin-binding APN or cadherin fragments from Heliocoverpa armigera. Antisera were evaluated for their effects on Cry1Ac toxicity through bioassays. Our results indicated that both the anti-APN and anti-cadherin sera reduced Cry1Ac toxicity in vivo, although cadherin antiserum reduced toxicity more than APN antiserum. These results suggest that both APN and cadherin are involved in Cry1Ac intoxication of H. armigera, evidence that the pore formation model may be representative of Cry1Ac toxin mode of action in this insect. (C) 2009 Elsevier Ltd. All rights reserved.
关键词Antiserum Bacillus thuringiensis Aminopeptidase N Cadherin Cry1Ac toxin Toxicity
学科领域Entomology ; Physiology ; Zoology ; Entomology ; Physiology
DOI10.1016/j.jinsphys.2009.12.012
收录类别SCI
语种英语
WOS记录号WOS:000279090900006
出版者PERGAMON-ELSEVIER SCIENCE LTD
nyguidb508f600-b238-448e-bb38-e08d01006919
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文献类型期刊论文
条目标识符http://ir.nais.net.cn/handle/2HMLN22E/264284
专题植物保护研究所_有害生物天敌研究室
植物保护研究所_农业昆虫研究室
院机关
作者单位1.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Plant Dis & Insect Pests, Beijing 100193, Peoples R China;
2.China Agr Univ, Coll Agron & Biotechnol, Dept Entomol, Beijing 100193, Peoples R China;
3.USDA ARS Grain Mkt & Prod Res Ctr, Manhattan, KS 66502 USA
第一作者单位植物保护研究所
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Liu, Chenxi,Gao, Yulin,Ning, Changming,et al. Antisera-mediated in vivo reduction of Cry1Ac toxicity in Helicoverpa armigera[J]. JOURNAL OF INSECT PHYSIOLOGY,2010,56(7):718-724.
APA Liu, Chenxi,Gao, Yulin,Ning, Changming,Wu, Kongming,Oppert, Brenda,&Guo, Yuyuan.(2010).Antisera-mediated in vivo reduction of Cry1Ac toxicity in Helicoverpa armigera.JOURNAL OF INSECT PHYSIOLOGY,56(7),718-724.
MLA Liu, Chenxi,et al."Antisera-mediated in vivo reduction of Cry1Ac toxicity in Helicoverpa armigera".JOURNAL OF INSECT PHYSIOLOGY 56.7(2010):718-724.
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