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Plaque Assay for Pneumonia Virus of Mice

机译:小鼠肺炎病毒的噬斑测定

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A plaque assay for the quantitation of pneumonia virus of mice is described. To obtain reproducible plaque formation, proteolytic enzymes had to be incorporated in the overlay medium. The plaque morphology observed in the presence of pancreatin and chymotrypsin was superior to that seen with trypsin. Although the plaque assay was found to be slightly less sensitive than the TCID50 determination described by Harter and Choppin, it enables cloning of the virus by plaque selection and permits further study of pneumonia virus of mice.
机译:描述了用于定量小鼠肺炎病毒的噬斑测定。为了获得可重现的噬斑形成,必须将蛋白水解酶掺入覆盖培养基中。在胰酶和胰凝乳蛋白酶存在下观察到的噬菌斑形态优于胰蛋白酶。尽管发现噬斑测定的灵敏度比Harter和Choppin所描述的TCID50测定稍低,但它可以通过噬菌斑选择克隆病毒,并可以进一步研究小鼠的肺炎病毒。

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