Integrative Multi-omics Landscape of Non-structural Protein 3 of Severe Acute Respiratory Syndrome Coronaviruses.

Integrative Multi-omics Landscape of Non-structural Protein 3 of Severe Acute Respiratory Syndrome Coronaviruses.
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严重急性呼吸系统综合症冠状病毒非结构蛋白 3 的综合多组学景观

DOI:
10.1016/j.gpb.2021.09.007
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发表时间:
2021-10
期刊:
Genomics, proteomics & bioinformatics
影响因子:
--
通讯作者:
Zhang X
Zhang X
中科院分区:
其他
文献类型:
--
作者:
Shi R;Feng Z;Zhang X

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由严重急性呼吸综合征冠状病毒 2 (SARS-CoV-2) 感染引起的 2019 冠状病毒病 (COVID-19) 目前是全球大流行。已经进行了广泛的调查来研究 SARS-CoV-2 感染的临床和细胞影响。基于质谱的蛋白质组学研究揭示了感染引起的细胞变化,并确定了除最长的非结构蛋白 3 (NSP3) 之外的所有 SARS-CoV-2 成分的大量相互作用因子。在这里,我们表达了 SARS-CoV 和 SARS-CoV-2 的全长 NSP3 蛋白,以使用多组学方法研究它们独特和共享的功能。我们对表达 NSP3 的细胞进行了相互作用组、磷酸化蛋白质组、泛素组、转录组和蛋白质组分析。我们发现 NSP3 在 RNA 代谢和免疫反应(例如 NF-κB 信号转导)等细胞功能中发挥重要作用。有趣的是,我们发现 SARS-CoV-2 NSP3 具有内质网和线粒体定位。此外,SARS-CoV-2 NSP3与线粒体核糖体蛋白关系更密切,而SARS-CoV NSP3与胞质核糖体蛋白相关。总之,我们对 NSP3 的综合多组学研究提高了对 NSP3 功能的理解,并为抗 SARS 策略的开发提供了潜在的靶标。
The coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is currently a global pandemic. Extensive investigations have been performed to study the clinical and cellular effects of SARS-CoV-2 infection. Mass spectrometry-based proteomics studies have revealed the cellular changes due to the infection and identified a plethora of interactors for all SARS-CoV-2 components, except for the longest non-structural protein 3 (NSP3). Here, we expressed the full-length NSP3 proteins of SARS-CoV and SARS-CoV-2 to investigate their unique and shared functions using multi-omics methods. We conducted interactome, phosphoproteome, ubiquitylome, transcriptome, and proteome analyses of NSP3-expressing cells. We found that NSP3 plays essential roles in cellular functions such as RNA metabolism and immune response (e.g., NF-κB signal transduction). Interestingly, we showed that SARS-CoV-2 NSP3 has both endoplasmic reticulum and mitochondrial localizations. In addition, SARS-CoV-2 NSP3 is more closely related to mitochondrial ribosomal proteins, whereas SARS-CoV NSP3 is related to the cytosolic ribosomal proteins. In summary, our integrative multi-omics study of NSP3 improves the understanding of the functions of NSP3 and offers potential targets for the development of anti-SARS strategies.
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