Host cytoskeletal vimentin serves as a structural organizer and an RNA-binding protein regulator to facilitate Zika viral replication
Copyright © 2022 the Author(s). Published by PNAS..
Emerging microbe infections, such as Zika virus (ZIKV), pose an increasing threat to human health. Investigations on ZIKV replication have revealed the construction of replication complexes (RCs), but the role of cytoskeleton in this process is largely unknown. Here, we investigated the function of cytoskeletal intermediate filament protein vimentin in the life cycle of ZIKV infection. Using advanced imaging techniques, we uncovered that vimentin filaments undergo drastic reorganization upon viral protein synthesis to form a perinuclear cage-like structure that embraces and concentrates RCs. Genetic removal of vimentin markedly disrupted the integrity of RCs and resulted in fragmented subcellular dispersion of viral proteins. This led to reduced viral genome replication, viral protein production, and release of infectious virions, without interrupting viral binding and entry. Furthermore, mass spectrometry and RNA-sequencing screens identified interactions and interplay between vimentin and hundreds of endoplasmic reticulum (ER)-resident RNA-binding proteins. Among them, the cytoplasmic-region of ribosome receptor binding protein 1, an ER transmembrane protein that directly binds viral RNA, interacted with and was regulated by vimentin, resulting in modulation of ZIKV replication. Together, the data in our work reveal a dual role for vimentin as a structural element for RC integrity and as an RNA-binding-regulating hub during ZIKV infection, thus unveiling a layer of interplay between Zika virus and host cell.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:119 |
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| Enthalten in: |
Proceedings of the National Academy of Sciences of the United States of America - 119(2022), 8 vom: 22. Feb. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Yue [VerfasserIn] |
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| Links: |
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| Themen: |
Intermediate filaments |
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| Anmerkungen: |
Date Completed 14.03.2022 Date Revised 23.08.2022 published: Print Citation Status MEDLINE |
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| doi: |
10.1073/pnas.2113909119 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Copyright © 2022 the Author(s). Published by PNAS. | ||
| 520 | |a Emerging microbe infections, such as Zika virus (ZIKV), pose an increasing threat to human health. Investigations on ZIKV replication have revealed the construction of replication complexes (RCs), but the role of cytoskeleton in this process is largely unknown. Here, we investigated the function of cytoskeletal intermediate filament protein vimentin in the life cycle of ZIKV infection. Using advanced imaging techniques, we uncovered that vimentin filaments undergo drastic reorganization upon viral protein synthesis to form a perinuclear cage-like structure that embraces and concentrates RCs. Genetic removal of vimentin markedly disrupted the integrity of RCs and resulted in fragmented subcellular dispersion of viral proteins. This led to reduced viral genome replication, viral protein production, and release of infectious virions, without interrupting viral binding and entry. Furthermore, mass spectrometry and RNA-sequencing screens identified interactions and interplay between vimentin and hundreds of endoplasmic reticulum (ER)-resident RNA-binding proteins. Among them, the cytoplasmic-region of ribosome receptor binding protein 1, an ER transmembrane protein that directly binds viral RNA, interacted with and was regulated by vimentin, resulting in modulation of ZIKV replication. Together, the data in our work reveal a dual role for vimentin as a structural element for RC integrity and as an RNA-binding-regulating hub during ZIKV infection, thus unveiling a layer of interplay between Zika virus and host cell | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a Zika virus | |
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| 700 | 1 | |a Zhao, Shuangshuang |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Yian |e verfasserin |4 aut | |
| 700 | 1 | |a Feng, Fengping |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Min |e verfasserin |4 aut | |
| 700 | 1 | |a Xue, Yanhong |e verfasserin |4 aut | |
| 700 | 1 | |a Cui, Jie |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Tao |e verfasserin |4 aut | |
| 700 | 1 | |a Jin, Xia |e verfasserin |4 aut | |
| 700 | 1 | |a Jiu, Yaming |e verfasserin |4 aut | |
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