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Analysis on the peritrophic membrane proteins of Helicoverpa armigera at different developmental stages
Author(s): 
Pages: 658-663
Year: Issue:  6
Journal: Journal of Henan Agricultural University

Keyword:  棉铃虫围食膜蛋白发育Western blot;
Abstract: 以5龄棉铃虫幼虫围食膜蛋白为抗原制备抗体,采用Western blot方法检测了围食膜蛋白在不同发育阶段的存在及变化.结果表明,棉铃虫围食膜蛋白在胚胎期从产卵后1h已经开始表达;在幼虫蜕皮过程中亦有表达,但是蛋白表达的种类和表达量具有明显差异;在蛹及成虫中只少量表达.利用RT-PCR技术,检测了肠粘蛋白HaIIM86在棉铃虫不同发育阶段和5龄幼虫不同组织中的表达情况.结果显示,HaIIM86的分泌表达贯穿于棉铃虫的胚胎期、初孵幼虫期、蛹及成虫期的整个生活周期,并且HaIIM86的表达具有中肠组织特异性.
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