首页> 外文期刊>Journal of Parasitology >A SMALL HEAT SHOCK PROTEIN OF OSTERTAGIA OSTERTAGI: STAGE-SPECIFIC EXPRESSION, HEAT INDUCIBILITY, AND PROTECTION TRIAL
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A SMALL HEAT SHOCK PROTEIN OF OSTERTAGIA OSTERTAGI: STAGE-SPECIFIC EXPRESSION, HEAT INDUCIBILITY, AND PROTECTION TRIAL

机译:Ostertagia Ostertagi的一种小热激蛋白:特定阶段的表达,热诱导性和保护试验

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摘要

In this study, we isolated and analyzed a small heat shock protein (HSP) of Ostertagia ostertagi (Oo-HSP18). Oo-hsp18 is encoded by a single-copy gene and the full-length cDNA represents an 18-kDa protein. The expression of Oo-hsp18 is highly stage specific and restricted to the adult stage. The protein is synthesized in a tissue-specific manner and localized in the body muscle layer. The levels of Oo-hsp18 mRNAs are sharply induced by heat shock but not by other stressors such as levamisole and H2O2. A vaccination trial with recombinant Oo-HSP18 failed to protect calves against a challenge infection.
机译:在这项研究中,我们分离并分析了一种小型的Ostertagia ostertagi(Oo-HSP18)热休克蛋白(HSP)。 Oo-hsp18由单拷贝基因编码,全长cDNA代表18-kDa蛋白。 Oo-hsp18的表达具有高度的阶段特异性,并且仅限于成年阶段。该蛋白质以组织特异性方式合成,并位于人体肌肉层中。 Oo-hsp18 mRNA的水平是由热激强烈诱导的,而不是由诸如左旋咪唑和过氧化氢之类的其他应激源诱导的。重组Oo-HSP18的疫苗接种试验未能保护小牛免受挑战性感染。

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