Spying on SARS-CoV-2 with Fluorescent Tags and Protease Reporters.

Spying on SARS-CoV-2 with Fluorescent Tags and Protease Reporters.
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DOI:
10.3390/v15102005
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发表时间:
2023-09-27
期刊:
Viruses
影响因子:
--
通讯作者:
Shu X
Shu X
中科院分区:
其他
文献类型:
--
作者:
To TL;Li X;Shu X

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SARS-CoV-2冠状病毒通过COVID-19大流行在全球范围内造成了破坏,清醒地提醒人们病毒对人类福祉的深远影响。了解病毒的生命周期和与宿主细胞的相互作用为探索针对病毒相关疾病的治疗策略奠定了基础。荧光显微镜在病毒成像中起着至关重要的作用,提供高时空分辨率,灵敏度和光谱多功能性。在这篇评论文章中,我们首先强调了两种最新的技术,SunTag和StayGold,用于病毒RNA翻译和病毒组装的原位成像。接下来,我们讨论了一类新的遗传编码的荧光蛋白酶报告基因,如FlipGFP,它可以定制监测SARS-CoV-2的主要(Mpro)或木瓜蛋白酶样(PLpro)蛋白酶活性。这些检测方法已被证明可有效地通过高通量筛选鉴定潜在的抗病毒药,使荧光病毒蛋白酶报告基因成为病毒性疾病诊断和治疗的一个有前途的平台。
The SARS-CoV-2 coronavirus has caused worldwide disruption through the COVID-19 pandemic, providing a sobering reminder of the profound impact viruses can have on human well-being. Understanding virus life cycles and interactions with host cells lays the groundwork for exploring therapeutic strategies against virus-related diseases. Fluorescence microscopy plays a vital role in virus imaging, offering high spatiotemporal resolution, sensitivity, and spectroscopic versatility. In this opinion piece, we first highlight two recent techniques, SunTag and StayGold, for the in situ imaging of viral RNA translation and viral assembly. Next, we discuss a new class of genetically encoded fluorogenic protease reporters, such as FlipGFP, which can be customized to monitor SARS-CoV-2’s main (Mpro) or papain-like (PLpro) protease activity. These assays have proven effective in identifying potential antivirals through high-throughput screening, making fluorogenic viral protease reporters a promising platform for viral disease diagnostics and therapeutics.
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