TI: |
Title
The inner-nuclear-envelope protein emerin regulates HIV-1 infectivity |
AU: |
Author
Jacque, Jean-Marc; Stevenson, Mario |
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Author Affiliation
Program in Molecular Medicine, University of Massachusetts Medical School , 373 Plantation Street, Suite 319, Worcester, Massachusetts 01605, USA mario.stevenson@umassmed.edu |
SO: |
Source
Nature [Nature]. Vol. 441, no. 7093, pp. 641-645. Jun 2006 |
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ISSN
0028-0836 |
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Descriptors
Infection; Macrophages; cDNA; Chromatin; Nuclear membranes; emerin; HIV-1; Human immunodeficiency virus 1 |
AB: |
Abstract
Primate lentiviruses such as human immunodeficiency type 1 (HIV-1) have the capacity to infect non-dividing cells such as tissue macrophages. In the process, viral complementary DNA traverses the nuclear envelope to integrate within chromatin. Given the intimate association between chromatin and the nuclear envelope, we examined whether HIV-1 appropriates nuclear envelope components during infection. Here we show that emerin, an integral inner-nuclear-envelope protein, is necessary for HIV-1 infection. Infection of primary macrophages lacking emerin was abortive in that viral cDNA localized to the nucleus but integration into chromatin was inefficient, and conversion of viral cDNA to non-functional episomal cDNA increased. HIV-1 cDNA associated with emerin @@iin vivo@, and the interaction of viral cDNA with chromatin was dependent on emerin. Barrier-to-autointegration factor (BAF), the LEM (LAP, emerin, MAN) binding partner of emerin, was required for the association of viral cDNA with emerin and for the ability of emerin to support virus infection. Therefore emerin, which bridges the interface between the inner nuclear envelope and chromatin, may be necessary for chromatin engagement by viral cDNA before integration. |
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Language
English |
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Summary Language
English |
PY: |
Publication Year
2006 |
PD: |
Publication Date
200606 |
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Publication Type
Journal Article |
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Publisher
Nature Publishing Group, The Macmillan Building, 4 Crinan Street, London, N1 9XW, UK; feedback@nature.com |
DO: |
DOI
10.1038/nature04682 |
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Classification
N 14025 RNA/DNA role in infection & immune response; V 22002 AIDS: Molecular and in vitro aspects |
UD: |
Update
200607 |
SF: |
Subfile
Biochemistry Abstracts 2: Nucleic Acids; Virology & AIDS Abstracts |
AN: |
Accession Number
6854954 |
PG: |
Journal Pages
641-645 |
JV: |
Journal Volume
441 |
JI: |
Journal Issue
7093 |