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DOI: 10.3791/52239-v
Please note that some of the translations on this page are AI generated. Click here for the English version.
我们提出了在小鼠皮下模型中白色念珠菌生物膜发育的实验程序。通过确定菌落形成单位的数量和非侵入性生物发光成像来量化真菌生物膜,其中产生的光量与活细胞的数量相对应。
以下实验的总体目标是验证表达荧光素酶的菌株在无创监测白色念珠菌细胞体内生物膜形成中的应用。这是通过将表达荧光素酶的白色念珠菌菌株定植的导管片段植入小鼠背部来实现的。在第二步中,让酵母生长成嵌入细胞外基质内的厚细胞层,在导管内部产生成熟的生物膜。
接下来,添加底物,该底物将被荧光素酶转化。该反应产生可测量的光,然后使用生物发光成像或 BLI 来记录和量化生物宿主体内生物膜的形成。与其他现有技术(例如中央 Venmo 系统)相比,该技术的主要优点是我们可以在一只动物体内测试多达六个生物膜,从而大大减少了我们进行统计分析所需的动物数量。
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