ArticleNature communications2025
The N-degron pathway governs autophagy to promote thermotolerance in Arabidopsis.
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 5 papers.
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.
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Who cites it
5 citing papers in PubMed.
- Heat stress responses of plants during adaptation to high temperature environments: A review of recent advances and insights.Plant signaling & behavior · 2026Review
- Genome-Wide Identification of theGenes · 2026Article
- Autophagy in plants: molecular mechanisms and roles in abiotic stress responses.Frontiers in plant science · 2026Review
- From Model to Crop: Roles of Macroautophagy inGenes · 2025Review
- Article
Corrections and comments
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Authors and funding
12 authors.
Funding
Abstract
Autophagy is a vital process that enables plants to adapt to various environmental changes. During heat stress (HS), misfolded and denatured proteins accumulate in cells, necessitating autophagy for their removal. Here, we show that a core autophagy component ATG8a is targeted for degradation via the Arg/N-degron pathway. ATG8a is expressed as two alternatively spliced transcripts encoding ATG8a isoforms, namely ATG8a(S) and ATG8a(L), with distinct N-termini. While ATG8a(S) remains stable, ATG8a(L) is N-terminally processed to expose the Arg/N-degron, leading to its degradation. Ubiquitin protein ligase E3 component N-recognin 7 (UBR7), identified as an N-recognin, is responsible for ubiquitination and proteasomal degradation of ATG8a(L). Notably, ATG8a(S) and ATG8a(L) show dynamic expression patterns, fluctuating ATG8a levels during the HS and recovery periods. Our findings highlight the crucial role of ATG8a turnover in conferring thermotolerance, which is governed by Arg/N-degron-mediated regulation. Understanding the molecular basis of ATG8a stability will provide valuable insights into plant resilience to HS under changing climatic conditions.
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Registered trials
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