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刚地弓形虫可分为鼠毒力和非鼠毒力株。已知弓形虫表面抗原SAG1与毒力有关。编码SAG1的基因是单拷贝基因,不包含内含子。本文对SAG1 5＇端非翻译区(UTR)上游进行了分析,以确定各株弓形虫此区的株特异性差异是否会影响SAG1的表达水平。 本研究使用6株弓形虫。鼠毒力组A
Toxoplasma gondii can be divided into virulent and non-virulent strains. Toxoplasma gondii surface antigen SAG1 is known to be involved in virulence. The gene encoding SAG1 is a single copy gene and does not contain introns. In this paper, the 5 ’untranslated region (UTR) upstream of SAG1 was analyzed to determine if the strain-specific differences in each region of Toxoplasma gondii affected the expression of SAG1. Six Toxoplasma gondii were used in this study. Toxicity Group A