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Author:
Date:
2013-11-05
[Abstract] Despite developed long time ago, plaque assay is still the gold standard for viral titer quantification in modern virology. The standard crystal violet-based plaque assay relies on virus’ ability to induce cytopathic effect (CPE) which limits the assay to lytic viruses. Alternative viral quantification assays such as 50% tissue culture infectious assay (TCID50) and genetic material quantification by Q-PCR provide a different way of viral quantification with their own shortcoming. In here, we modified the fluorescent focus assay and developed an antibody-based immunoplaque assay which provides a reliable and reproducible viral quantification independent of CPE. Our assay not only allows accurate determination of viral titer, but also provides information on viral kinetics, ...
[摘要] 尽管发展很久以前，斑块测定仍然是现代病毒学病毒滴度量化的黄金标准。 标准的基于结晶紫的斑块测定依赖于病毒诱导细胞病变效应（CPE）的能力，其限制了对裂解病毒的测定。 替代性病毒定量测定如50％组织培养感染测定（TCID 50）和通过Q-PCR的遗传物质定量提供了具有其自身缺点的病毒定量的不同方式。 在这里，我们修改荧光焦点测定和开发基于抗体的免疫斑检测提供可靠和可重复的病毒定量独立于CPE。 我们的测定不仅允许病毒滴度的精确测定，而且提供关于病毒动力学，遗传稳定性和病毒种群的纯度的信息。
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