ArticleThe Plant journal : for cell and molecular biology2019
Impairment in karrikin but not strigolactone sensing enhances root skewing in Arabidopsis thaliana.
Article in The Plant journal : for cell and molecular biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.
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Who cites it
38 citing papers in PubMed, 80 citations in OpenAlex.
- Article
- Light is sufficient to compensate for random positioning machine-simulated microgravity in plant roots.NPJ microgravity · 2025Article
- The Multifaceted Impact of Karrikin Signaling in Plants.International journal of molecular sciences · 2025Review
- Identification and structure-guided development of triazole urea-based selective antagonists of Arabidopsis karrikin signaling.Nature communications · 2025Article
- Unlocking seagrass germination: divergent roles of strigolactones and smoke-water inFrontiers in plant science · 2025Article
- Phosphate promotes Arabidopsis root skewing and circumnutation through reorganisation of the microtubule cytoskeleton.The New phytologist · 2024Article
- On the mechanical origins of waving, coiling and skewing inProceedings of the National Academy of Sciences of the United States of America · 2024Article
- Karrikin signalling: impacts on plant development and abiotic stress tolerance.Journal of experimental botany · 2024Article
- Identification of osmotic stress resistance mediated byFrontiers in plant science · 2024Article
- Role of Strigolactones in the Host Specificity of Broomrapes and Witchweeds.Plant & cell physiology · 2023Review
- KAI2 Can Do: Karrikin Receptor Function in Plant Development and Response to Abiotic and Biotic Factors.Plant & cell physiology · 2023Article
- Transcriptome analysis reveals key regulatory genes for root growth related to potassium utilization efficiency in rapeseed (Frontiers in plant science · 2023Article
- Strigolactones as a hormonal hub for the acclimation and priming to environmental stress in plants.Plant, cell & environment · 2022Review
- KARRIKIN UPREGULATED F-BOX 1 negatively regulates drought tolerance in Arabidopsis.Plant physiology · 2022Article
- A conformational switch in the SCF-D3/MAX2 ubiquitin ligase facilitates strigolactone signalling.Nature plants · 2022Article
- The strigolactone receptor D14 targets SMAX1 for degradation in response to GR24 treatment and osmotic stress.Plant communications · 2022Article
- Rapid analysis of strigolactone receptor activity in aPlant direct · 2022Article
- Structural and functional analyses explain Pea KAI2 receptor diversity and reveal stereoselective catalysis during signal perception.Communications biology · 2022Article
- Masks Start to Drop: Suppressor of MAX2 1-Like Proteins Reveal Their Many Faces.Frontiers in plant science · 2022Review
- APlant communications · 2021Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
Abstract
Roots form highly complex systems varying in growth direction and branching pattern to forage for nutrients efficiently. Here mutations in the KAI2 (KARRIKIN INSENSITIVE) α/β-fold hydrolase and the MAX2 (MORE AXILLARY GROWTH 2) F-box leucine-rich protein, which together perceive karrikins (smoke-derived butenolides), caused alteration in root skewing in Arabidopsis thaliana. This phenotype was independent of endogenous strigolactones perception by the D14 α/β-fold hydrolase and MAX2. Thus, KAI2/MAX2 effect on root growth may be through the perception of endogenous KAI2-ligands (KLs), which have yet to be identified. Upon perception of a ligand, a KAI2/MAX2 complex is formed together with additional target proteins before ubiquitination and degradation through the 26S proteasome. Using a genetic approach, we show that SMAX1 (SUPPRESSOR OF MAX2-1)/SMXL2 and SMXL6,7,8 (SUPPRESSOR OF MAX2-1-LIKE) are also likely degradation targets for the KAI2/MAX2 complex in the context of root skewing. In A. thaliana therefore, KAI2 and MAX2 act to limit root skewing, while kai2's gravitropic and mechano-sensing responses remained largely unaffected. Many proteins are involved in root skewing, and we investigated the link between MAX2 and two members of the SKS/SKU family. Though KLs are yet to be identified in plants, our data support the hypothesis that they are present and can affect root skewing.
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Registered trials
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