ArticleFrontiers in immunology2025
Grass carp Trim47 restricts GCRV infection via SPRY domain-mediated autophagic degradation of nonstructural proteins and disruption of viral inclusion bodies.
Article in Frontiers in immunology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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.
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Who cites it
1 citing paper in PubMed.
- Novel TRIM Proteins Modulating the Innate Immune Response of Rainbow Trout (Animals : an open access journal from MDPI · 2025Article
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5 authors.
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Abstract
Trim47, a TRIM C-VII subgroup protein characterized by a conserved SPRY domain, has been primarily studied for its ubiquitin-dependent roles in mammals. This study reports a paradigm-shifting finding in teleost immunology: grass carp Trim47 (gcTrim47) employs its SPRY domain to execute a novel, ubiquitin-independent antiviral pathway, selectively degrading GCRV-I nonstructural proteins NS38/NS80 via autophagy-mediated clearance. Unlike mammalian TRIMs, gcTrim47 antiviral activity is strictly dependent on its SPRY domain-devoid of RING/B-box domains critical for E3 ligase function-revealing an evolutionarily divergent mechanism where substrate-targeting specificity, not ubiquitination, drives viral replication factory (viral inclusion body, VIB) dismantling. Functional assays demonstrated that gcTrim47 overexpression in CIK cells reduced viral titers and suppressed VIB formation, with SPRY domain deletion ablating these effects.
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