ArticleThe Plant journal : for cell and molecular biology2017
An Arabidopsis kinase cascade influences auxin-responsive cell expansion.
Article in The Plant journal : for cell and molecular biology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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Who cites it
28 citing papers in PubMed, 49 citations in OpenAlex.
- Article
- Nitrate activates an MKK3-dependent MAPK module via NLP transcription factors in Arabidopsis.The Plant journal : for cell and molecular biology · 2025Article
- Function of WAKs in Regulating Cell Wall Development and Responses to Abiotic Stress.Plants (Basel, Switzerland) · 2025Review
- Molecular traits of MAPK kinases and the regulatory mechanism of GhMAPKK5 alleviating drought/salt stress in cotton.Plant physiology · 2024Article
- Genetically Encoded, Noise-Tolerant, Auxin Biosensors in Yeast.ACS synthetic biology · 2024Article
- The REPLUMLESS Transcription Factor Controls the Expression of theInternational journal of molecular sciences · 2024Article
- The MKK3 MAPK cascade integrates temperature and after-ripening signals to modulate seed germination.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Light signaling-mediated growth plasticity in Arabidopsis grown under high-temperature conditions.Stress biology · 2022Review
- Mitogen-Activated Protein Kinase and Substrate Identification in Plant Growth and Development.International journal of molecular sciences · 2022Review
- Two alternative splicing variants of a wheat geneFrontiers in plant science · 2022Article
- Combined physiological and transcriptome analysis revealed the response mechanism ofFrontiers in plant science · 2022Article
- Posttranslational modification of the RHO of plants protein RACB by phosphorylation and cross-kingdom conserved ubiquitination.PloS one · 2022Article
- Identification of microRNAs Responding to Aluminium, Cadmium and Salt Stresses in Barley Roots.Plants (Basel, Switzerland) · 2021Article
- The Arabidopsis Rho of Plants GTPase ROP1 Is a Potential Calcium-Dependent Protein Kinase (CDPK) Substrate.Plants (Basel, Switzerland) · 2021Article
- No Time for Transcription-Rapid Auxin Responses in Plants.Cold Spring Harbor perspectives in biology · 2021Review
- A Novel Signaling Pathway Required for Arabidopsis Endodermal Root Organization Shapes the Rhizosphere Microbiome.Plant & cell physiology · 2021Article
- Expansion and innovation in auxin signaling: where do we grow from here?Development (Cambridge, England) · 2021Review
- Plant Mitogen-Activated Protein Kinase Cascades in Environmental Stresses.International journal of molecular sciences · 2021Review
- The Arabidopsis RLCK VI_A2 Kinase Controls Seedling and Plant Growth in Parallel with Gibberellin.International journal of molecular sciences · 2020Article
- Auxin-Abscisic Acid Interactions in Plant Growth and Development.Biomolecules · 2020Review
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Mitogen-activated protein kinase (MPK) cascades are conserved mechanisms of signal transduction across eukaryotes. Despite the importance of MPK proteins in signaling events, specific roles for many Arabidopsis MPK proteins remain unknown. Multiple studies have suggested roles for MPK signaling in a variety of auxin-related processes. To identify MPK proteins with roles in auxin response, we screened mpk insertional alleles and identified mpk1-1 as a mutant that displays hypersensitivity in auxin-responsive cell expansion assays. Further, mutants defective in the upstream MAP kinase kinase MKK3 also display hypersensitivity in auxin-responsive cell expansion assays, suggesting that this MPK cascade affects auxin-influenced cell expansion. We found that MPK1 interacts with and phosphorylates ROP BINDING PROTEIN KINASE 1 (RBK1), a protein kinase that interacts with members of the Rho-like GTPases from Plants (ROP) small GTPase family. Similar to mpk1-1 and mkk3-1 mutants, rbk1 insertional mutants display auxin hypersensitivity, consistent with a possible role for RBK1 downstream of MPK1 in influencing auxin-responsive cell expansion. We found that RBK1 directly phosphorylates ROP4 and ROP6, supporting the possibility that RBK1 effects on auxin-responsive cell expansion are mediated through phosphorylation-dependent modulation of ROP activity. Our data suggest a MKK3 • MPK1 • RBK1 phosphorylation cascade that may provide a dynamic module for altering cell expansion.
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