Artikel ; Online: A single polymorphic residue in humans underlies species-specific restriction of HSV-1 by the antiviral protein MxB.
2023 Band 97, Heft 10, Seite(n) e0083023
Abstract: Importance: Herpesviruses present a major global disease burden. Understanding the host cell mechanisms that block viral infections, as well as how viruses can evolve to counteract these host defenses, is critically important for understanding viral ... ...
Abstract | Importance: Herpesviruses present a major global disease burden. Understanding the host cell mechanisms that block viral infections, as well as how viruses can evolve to counteract these host defenses, is critically important for understanding viral disease pathogenesis. This study reveals that the major human variant of the antiviral protein myxovirus resistance protein B (MxB) inhibits the human pathogen herpes simplex virus (HSV-1), whereas a minor human variant and orthologous MxB genes from even closely related primates do not. Thus, in contrast to the many antagonistic virus-host interactions in which the virus is successful in thwarting the host's defense systems, here the human gene appears to be at least temporarily winning at this interface of the primate-herpesvirus evolutionary arms race. Our findings further show that a polymorphism at amino acid 83 in a small fraction of the human population is sufficient to abrogate MxB's ability to inhibit HSV-1, which could have important implications for human susceptibility to HSV-1 pathogenesis. |
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Mesh-Begriff(e) | Animals ; Humans ; Herpesvirus 1, Human/pathogenicity ; Herpesvirus 1, Human/physiology ; Host Microbial Interactions/genetics ; Myxovirus Resistance Proteins/genetics ; Myxovirus Resistance Proteins/metabolism ; Polymorphism, Genetic ; Primates/genetics ; Primates/virology ; Species Specificity |
Chemische Substanzen | MX2 protein, human ; Myxovirus Resistance Proteins |
Sprache | Englisch |
Erscheinungsdatum | 2023-10-05 |
Erscheinungsland | United States |
Dokumenttyp | Comparative Study ; Journal Article ; Research Support, N.I.H., Extramural |
ZDB-ID | 80174-4 |
ISSN | 1098-5514 ; 0022-538X |
ISSN (online) | 1098-5514 |
ISSN | 0022-538X |
DOI | 10.1128/jvi.00830-23 |
Datenquelle | MEDical Literature Analysis and Retrieval System OnLINE |
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