摘要：葡糖基转移酶是变形链球菌 (S mutans)的重要致龋毒力因子 ,其中gtfB基因编码的GTF Ⅰ能够催化水不溶性葡聚糖的合成 ,介导变链菌与牙面的蔗糖依赖性粘附 ,在龋病的发生...
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The architecture of biofilms formed by antisense PS-ODNs-treated S. mutans showed reduced biomass, more dispersed distribution with enlarged interspaces and fewer layers of attached cells.
而对于变形链球菌形成的生物膜，则可使其结构发生改变，包括基质的减少，更加分散的分布，粘附细胞层数的减少。
This paper made a comparison of extracting antigen of S. Mutans by three groups of protein isolation solution under different time and temperature.
本文对三组不同组分的蛋白解离液在不同温度和时间对变链球菌细胞表面蛋白抗原的提取进行了比较。
A total of 46 S. mutans isolates from 24 subjects were analyzed by AP_PCR, and 29 different amplitypes were identifyied, 45.8% carried two genotypes.
经AP_PCR扩增，24名儿童口腔中检测出29个不同基因型的变形链球菌，其中携带2个以上基因型儿童占45.8%。
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