ArticleNature communications2025
N-terminal α-amino SUMOylation promotes phosphorylation-independent cofilin-1 translocation to the mitochondrial matrix and induces apoptosis.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
1 citing paper in PubMed.
- The white spot syndrome virus wsv156 protein hijacks Parkin-dependent mitophagy to promote viral infection.Journal of virology · 2026Article
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Authors and funding
10 authors.
Funding
Abstract
Cofilin is a central regulator of actin filament turnover, traditionally thought to act through phosphorylation-dependent control of filament assembly. However, its mitochondrial functions remain poorly understood. Here we show that N-terminal α-amino SUMOylation, rather than phosphorylation or actin interaction, governs cofilin-1 translocation to mitochondria and activation of the apoptotic pathway. This modification strengthens the association of cofilin-1 with the mitochondrial import receptors Tom20 and Tom70 through the molecular chaperone HSP70, enabling its delivery to the mitochondrial matrix. Once imported, SUMO-modified cofilin-1 binds cytochrome c1, promotes the dissociation of cytochrome c from complex III, and initiates mitochondrial-mediated apoptosis. These findings redefine cofilin-1 as a regulator of mitochondrial integrity independent of its actin-related roles, uncovering a mechanism by which SUMOylation directs protein targeting and apoptotic signaling. This work broadens current understanding of mitochondrial regulation and may inform therapeutic strategies for diseases linked to defective cell death.
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