The Role of Protein Disorder in Nuclear Transport and in Its Subversion by Viruses

The transport of host proteins into and out of the nucleus is key to host function. However, nuclear transport is restricted by nuclear pores that perforate the nuclear envelope. Protein intrinsic disorder is an inherent feature of this selective transport barrier and is also a feature of the nuclea...

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Main Authors: Jacinta M. Wubben, Sarah C. Atkinson, Natalie A. Borg
Format: Article
Language:English
Published: MDPI AG 2020-12-01
Series:Cells
Subjects:
Online Access:https://www.mdpi.com/2073-4409/9/12/2654
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author Jacinta M. Wubben
Sarah C. Atkinson
Natalie A. Borg
author_facet Jacinta M. Wubben
Sarah C. Atkinson
Natalie A. Borg
author_sort Jacinta M. Wubben
collection DOAJ
description The transport of host proteins into and out of the nucleus is key to host function. However, nuclear transport is restricted by nuclear pores that perforate the nuclear envelope. Protein intrinsic disorder is an inherent feature of this selective transport barrier and is also a feature of the nuclear transport receptors that facilitate the active nuclear transport of cargo, and the nuclear transport signals on the cargo itself. Furthermore, intrinsic disorder is an inherent feature of viral proteins and viral strategies to disrupt host nucleocytoplasmic transport to benefit their replication. In this review, we highlight the role that intrinsic disorder plays in the nuclear transport of host and viral proteins. We also describe viral subversion mechanisms of the host nuclear transport machinery in which intrinsic disorder is a feature. Finally, we discuss nuclear import and export as therapeutic targets for viral infectious disease.
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spelling doaj.art-64b3b15ab7c542bebd11f16218a283362023-11-21T00:09:41ZengMDPI AGCells2073-44092020-12-01912265410.3390/cells9122654The Role of Protein Disorder in Nuclear Transport and in Its Subversion by VirusesJacinta M. Wubben0Sarah C. Atkinson1Natalie A. Borg2Chronic Infectious and Inflammatory Diseases Research, School of Health and Biomedical Sciences, RMIT University, Bundoora, VIC 3083, AustraliaChronic Infectious and Inflammatory Diseases Research, School of Health and Biomedical Sciences, RMIT University, Bundoora, VIC 3083, AustraliaChronic Infectious and Inflammatory Diseases Research, School of Health and Biomedical Sciences, RMIT University, Bundoora, VIC 3083, AustraliaThe transport of host proteins into and out of the nucleus is key to host function. However, nuclear transport is restricted by nuclear pores that perforate the nuclear envelope. Protein intrinsic disorder is an inherent feature of this selective transport barrier and is also a feature of the nuclear transport receptors that facilitate the active nuclear transport of cargo, and the nuclear transport signals on the cargo itself. Furthermore, intrinsic disorder is an inherent feature of viral proteins and viral strategies to disrupt host nucleocytoplasmic transport to benefit their replication. In this review, we highlight the role that intrinsic disorder plays in the nuclear transport of host and viral proteins. We also describe viral subversion mechanisms of the host nuclear transport machinery in which intrinsic disorder is a feature. Finally, we discuss nuclear import and export as therapeutic targets for viral infectious disease.https://www.mdpi.com/2073-4409/9/12/2654protein intrinsic disordernuclear transport receptorsnuclear export sequencenuclear import sequencenucleoporinsviral infection
spellingShingle Jacinta M. Wubben
Sarah C. Atkinson
Natalie A. Borg
The Role of Protein Disorder in Nuclear Transport and in Its Subversion by Viruses
Cells
protein intrinsic disorder
nuclear transport receptors
nuclear export sequence
nuclear import sequence
nucleoporins
viral infection
title The Role of Protein Disorder in Nuclear Transport and in Its Subversion by Viruses
title_full The Role of Protein Disorder in Nuclear Transport and in Its Subversion by Viruses
title_fullStr The Role of Protein Disorder in Nuclear Transport and in Its Subversion by Viruses
title_full_unstemmed The Role of Protein Disorder in Nuclear Transport and in Its Subversion by Viruses
title_short The Role of Protein Disorder in Nuclear Transport and in Its Subversion by Viruses
title_sort role of protein disorder in nuclear transport and in its subversion by viruses
topic protein intrinsic disorder
nuclear transport receptors
nuclear export sequence
nuclear import sequence
nucleoporins
viral infection
url https://www.mdpi.com/2073-4409/9/12/2654
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