ArticlePNAS nexus2023
The response of Arabidopsis to the apocarotenoid β-cyclocitric acid reveals a role for SIAMESE-RELATED 5 in root development and drought tolerance.
Article in PNAS nexus, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed, 13 citations in OpenAlex.
- β-cyclocitral as an apocarotenoid stress signal: biosynthesis, hormonal crosstalk, and emerging omics perspectives in plant abiotic stress tolerance.Frontiers in plant science · 2026Review
- Plastids in a Pinch: Coordinating Stress and Developmental Responses Through Retrograde Signalling.Plant, cell & environment · 2025Review
- β-cyclocitral as a cross-species mediator of abiotic stress signaling: insights and future directions toward crop improvement.Frontiers in plant science · 2025Review
- Drought Tolerance in Plants: Physiological and Molecular Responses.Plants (Basel, Switzerland) · 2024Review
- Desiccation tolerance in the resurrection plantFrontiers in plant science · 2024Article
- The SIAMESE family of cell-cycle inhibitors in the response of plants to environmental stresses.Frontiers in plant science · 2024Review
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
New regulatory functions in plant development and environmental stress responses have recently emerged for a number of apocarotenoids produced by enzymatic or nonenzymatic oxidation of carotenoids. β-Cyclocitric acid (β-CCA) is one such compound derived from β-carotene, which triggers defense mechanisms leading to a marked enhancement of plant tolerance to drought stress. We show here that this response is associated with an inhibition of root growth affecting both root cell elongation and division. Remarkably, β-CCA selectively induced cell cycle inhibitors of the SIAMESE-RELATED (SMR) family, especially SMR5, in root tip cells. Overexpression of the
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.