ArticleThe Plant cell2011
SCAR mediates light-induced root elongation in Arabidopsis through photoreceptors and proteasomes.
Article in The Plant cell, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers.
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Who cites it
66 citing papers in PubMed, 128 citations in OpenAlex.
- Recent insights into the plant ARP2/3 complex.Protoplasma · 2026Review
- Intracellular MIZU-KUSSEI1 movement and hydrotropism in Arabidopsis require F-actin organization.Plant physiology · 2025Article
- Genome-wide characterization and expression profiling of FIMBRIN gene family members in response to abiotic stress in Medicago sativa.BMC plant biology · 2025Article
- Phytochrome E Plays a Role in the Suppression of Germination in Far-Red Light in Tomato.Plant direct · 2025Article
- The ER-PM interaction is essential for cytokinesis and recruits the actin cytoskeleton through the SCAR/WAVE complex.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- How Histone Acetyltransferases Shape Plant Photomorphogenesis and UV Response.International journal of molecular sciences · 2024Review
- A proxitome-RNA-capture approach reveals that processing bodies repress coregulated hub genes.The Plant cell · 2024Article
- Article
- An actin remodeling role for Arabidopsis processing bodies revealed by their proximity interactome.The EMBO journal · 2023Article
- A bench-top Dark-Root device built with LEGOFrontiers in plant science · 2023Article
- Recent insights into metabolic and signalling events of directional root growth regulation and its implications for sustainable crop production systems.Frontiers in plant science · 2023Review
- Plants Utilize Suberin Biopolymers as a Vector for Transmitting Visible Light through Their Roots.Polymers · 2022Article
- Article
- Genome-wide association study uncovers major genetic loci associated with flowering time in response to active accumulated temperature in wild soybean population.BMC genomics · 2022Article
- Emerging roles of the ubiquitin-proteasome pathway in enhancing crop yield by optimizing seed agronomic traits.Plant cell reports · 2022Review
- Growth and Development Responses of the Rhizome-Root System inPlants (Basel, Switzerland) · 2022Article
- APYRASE1/2 mediate red light-induced de-etiolation growth in Arabidopsis seedlings.Plant physiology · 2022Article
- Cell biology of primary cell wall synthesis in plants.The Plant cell · 2022Review
- Lessons Learned from the Studies of Roots Shaded from Direct Root Illumination.International journal of molecular sciences · 2021Review
- Spatial and temporal localization of SPIRRIG and WAVE/SCAR reveal roles for these proteins in actin-mediated root hair development.The Plant cell · 2021Article
6 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The ARP2/3 complex, a highly conserved nucleator of F-actin, and its activator, the SCAR complex, are essential for growth in plants and animals. In this article, we present a pathway through which roots of Arabidopsis thaliana directly perceive light to promote their elongation. The ARP2/3-SCAR complex and the maintenance of longitudinally aligned F-actin arrays are crucial components of this pathway. The involvement of the ARP2/3-SCAR complex in light-regulated root growth is supported by our finding that mutants of the SCAR complex subunit BRK1/HSPC300, or other individual subunits of the ARP2/3-SCAR complex, showed a dramatic inhibition of root elongation in the light, which mirrored reduced growth of wild-type roots in the dark. SCAR1 degradation in dark-grown wild-type roots by constitutive photomorphogenic 1 (COP1) E3 ligase and 26S proteasome accompanied the loss of longitudinal F-actin and reduced root growth. Light perceived by the root photoreceptors, cryptochrome and phytochrome, suppressed COP1-mediated SCAR1 degradation. Taken together, our data provide a biochemical explanation for light-induced promotion of root elongation by the ARP2/3-SCAR complex.
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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 OpenQuestion graph.