ArticleNature plants2026
Root hair lifespan is antagonistically controlled by autophagy and programmed cell death.
Article in Nature plants, 2026. 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.
- Growth Cost and Transport Efficiency Tradeoffs Define Root System Optimization Across Varying Developmental Stages and Environments in Arabidopsis.bioRxiv : the preprint server for biology · 2025Article
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Authors and funding
7 authors.
Funding
Abstract
Root hairs are tubular tip-growing extensions of root epidermal cells that enhance root surface area for water and nutrient acquisition. While the mechanisms governing root hair fate, polarity and tip growth are well understood, the regulation of root hair longevity remains largely unknown. Here we show that root hair cells employ high levels of autophagy to maximize their lifespan in Arabidopsis thaliana. Loss-of-function mutations in the genes encoding the autophagy regulators ATG2, ATG5 or ATG7 induce a premature, cell-autonomous cell death program. This cell death is activated via a gene regulatory network promoted by the NAC transcription factors ANAC046 and ANAC087. Our findings uncover an antagonistic relationship between autophagy and senescence-controlled programmed cell death in root hair lifespan regulation, with potential implications for optimizing plant nutrient and water uptake in crop breeding.
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Registered trials
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