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Plaque Formation by Rickettsia conori in WI-38, DBS-FRhL-2, L-929, HeLa, and Chicken Embryo Cells

机译:立克次体在WI-38,DBS-FRhL-2,L-929,HeLa和鸡胚细胞中形成斑块

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Mammalian cells particularly suitable for the study of specialized aspects of rickettsial biology were tested for their ability to support plaque formation by Rickettsia conori. The detection of plaques was substantially influenced by the combination of growth medium and cell type used. Large plaques (2.0 to 3.0 mm in diameter) occurred by 8 days postinfection in WI-38 and DBS-FRhL-2 cells supported by medium 199. Smaller plaques (0.5 to 1.0 mm in diameter) were seen in L-929 and HeLa cells at 8 to 11 days postinfection and were more discernible in cells supported with Eagle minimal essential medium. Chicken embryo cells maintained in Dulbecco's modified Eagle medium exhibited large spherical plaques with a diameter of approximately 1.5 mm by 8 days postinfection.
机译:通过 Rickettsia conori 测试了特别适合用于立克次体生物学特定方面研究的哺乳动物细胞支持斑块形成的能力。斑块的检测很大程度上受生长培养基和所用细胞类型的组合影响。感染后第8天,在中等培养基199支持的WI-38和DBS-FRhL-2细胞中出现大斑块(直径2.0至3.0 mm)。在L-929和HeLa细胞中观察到较小的斑块(直径0.5至1.0 mm)感染后8到11天,在以Eagle基本必需培养基支持的细胞中更易辨别。感染后8天,在Dulbecco改良的Eagle培养基中保存的鸡胚细胞显示出直径约为1.5 mm的大球形斑块。

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