How ASFV A179L Protein Prevents Cell Death
Author Information
Author(s): Inmaculada Galindo, Bruno Hernaez, Gema Díaz-Gil, Jose M. Escribano, Covadonga Alonso
Primary Institution: Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Madrid, Spain
Hypothesis
The study aims to characterize the biochemical mechanisms by which the A179L protein suppresses apoptosis.
Conclusion
The ASFV A179L protein interacts with active forms of porcine Bid protein and suppresses mitochondrial apoptotic signaling, suggesting a pivotal role in regulating apoptosis during virus infection.
Supporting Evidence
- A179L protein prevents apoptosis induced by active forms of Bid protein in Vero cells.
- A179L interacts specifically with both BH3-only proapoptotic proteins and the core cellular proapoptotic machinery.
- Mutations in the BH1 domain of A179L abrogate its death-repressor activity.
Takeaway
The A179L protein from African swine fever virus helps the virus survive by stopping infected cells from dying.
Methodology
The study used yeast two-hybrid assays and immunoprecipitation to identify interactions between A179L and proapoptotic proteins.
Limitations
The precise mechanism of action of A179L remains undefined, and the study primarily focuses on specific interactions without exploring all potential pathways.
Digital Object Identifier (DOI)
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