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阿洛酮糖通过致龋潜力评估平台揭示其对口腔微生物群和生物膜形成 ...
在可发酵的膳食糖中,蔗糖在龋齿发展中起着关键作用,显著促进了牙菌斑的积累和致病性。它是由变异链球菌分泌的葡糖基转移酶(Gtfs)催化合成胞外多糖(EPS),特别是葡聚糖的关键底物。这些EPS葡聚糖促进了细菌在牙齿表面的粘附,促进了生物膜的积累,并增强了生物膜的结构稳定性。此外,水不溶性葡聚糖将营养物和糖分捕获在生物膜内,创造了一个有利于细菌增殖的环境。
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