Real-time Imaging of Rabies Virus Entry into Living Vero cells.
Real-time Imaging of Rabies Virus Entry into Living Vero cells.
复制标题
狂犬病病毒进入活 Vero 细胞的实时成像
DOI:
10.1038/srep11753
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发表时间:
2015-07-07
影响因子:
4.6
通讯作者:
Wang H
中科院分区:
文献类型:
--
作者:
Xu H;Hao X;Wang S;Wang Z;Cai M;Jiang J;Qin Q;Zhang M;Wang H
Understanding the mechanism of rabies virus (RABV) infection is vital for prevention and therapy of virulent rabies. However, the infection mechanism remains largely uncharacterized due to the limited methods and viral models. Herein, we utilized a powerful single-virus tracking technique to dynamically and globally visualize the infection process of the live attenuated rabies vaccine strain-SRV9in living Vero cells. Firstly, it was found that the actin-enriched filopodia is in favor of virus reaching to the cell body. Furthermore, by carrying out drug perturbation experiments, we confirmed that RABV internalization into Vero cells proceeds via classical dynamin-dependent clathrin-mediated endocytosis with requirement for intact actin, but caveolae-dependent endocytosis is not involved. Then, our real-time imaging results unambiguously uncover the characteristics of viral internalization and cellular transport dynamics. In addition, our results directly and quantitatively reveal that the intracellular motility of internalized RABV particles is largely microtubule-dependent. Collectively, our work is crucial for understanding the initial steps of RABV infection and elucidating the mechanisms of post-infection. Significantly, the results provide profound insight into development of novel and effective antiviral targets.
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影响因子:
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通讯作者:
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通讯作者:
Greber, Urs F.