摘要 ：磷壁酸是革兰氏阳性细菌细胞壁的重要成分，磷壁酸酶是一种特异性地降解磷壁酸的磷酸二酯酶。

Abstract : Teichoic acids are important components of cell wall in gram-positive bacteria, and teichoicase is exactly the enzyme that can degrade teichoic acids specifically.

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方法 ：本实验建立了以脂磷壁酸为靶点的新抗筛选模型 ，并通过脂磷壁酸合成抑制模型对所筛得的阳性菌株进行复筛验证。

Methods:Ca 2+ regulating activity test model was set up, the samples screened out were assayed with inhibition activity on LTA(lipoteichoic acid) synthesis.

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