ArticleThe Plant cell2006
Increased expression of MAP KINASE KINASE7 causes deficiency in polar auxin transport and leads to plant architectural abnormality in Arabidopsis.
Article in The Plant cell, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 60 papers.
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Who cites it
60 citing papers in PubMed.
- Genetic dissection for phosphorus uptake and utilization efficiency at seedling stage in wheat (Molecular breeding : new strategies in plant improvement · 2025Article
- LAZY5 acts in an LAZY1-independent pathway to regulate rice tiller angle.Plant biotechnology journal · 2025Article
- Dwarfs standing tall: breeding towards the 'Yellow revolution' through insights into plant height regulation.Plant molecular biology · 2025Review
- First note of QTL mapping of low vigor traits using the updated F2 'Koroneiki' linkage map of olive.Frontiers in plant science · 2025Article
- Depletion of Gibberellin Signaling Up-RegulatesInternational journal of molecular sciences · 2024Article
- Supplementary Low Far-Red Light Promotes Proliferation and Photosynthetic Capacity of Blueberry In Vitro Plantlets.International journal of molecular sciences · 2024Article
- Unlocking the Multifaceted Mechanisms of Bud Outgrowth: Advances in Understanding Shoot Branching.Plants (Basel, Switzerland) · 2023Review
- Phosphorylation and ubiquitination of OsWRKY31 are integral to OsMKK10-2-mediated defense responses in rice.The Plant cell · 2023Article
- Bacterial Volatiles (mVOC) Emitted by the PhytopathogenAntioxidants (Basel, Switzerland) · 2023Article
- Mitogen-Activated Protein Kinase and Substrate Identification in Plant Growth and Development.International journal of molecular sciences · 2022Review
- MAP kinase cascades in plant development and immune signaling.EMBO reports · 2022Review
- Auxin Transporters-A Biochemical View.Cold Spring Harbor perspectives in biology · 2022Review
- Genome-Wide Identification and Analysis ofInternational journal of molecular sciences · 2021Article
- Strigolactone and Karrikin Signaling Pathways Elicit Ubiquitination and Proteolysis of SMXL2 to Regulate Hypocotyl Elongation in Arabidopsis.The Plant cell · 2020Article
- Strigolactone Signaling Genes Showing Differential Expression Patterns in ArabidopsisPlants (Basel, Switzerland) · 2019Article
- Identification and Characterization of Mitogen-Activated Protein Kinase (MAPK) Genes in Sunflower (Plants (Basel, Switzerland) · 2019Article
- Role of Cytokinin, Strigolactone, and Auxin Export on Outgrowth of Axillary Buds in Apple.Frontiers in plant science · 2019Article
- The MKK7-MPK6 MAP Kinase Module Is a Regulator of Meristem Quiescence or Active Growth in Arabidopsis.Frontiers in plant science · 2019Article
- Comparative analysis of plant MKK gene family reveals novel expansion mechanism of the members and sheds new light on functional conservation.BMC genomics · 2018Article
- Arabidopsis MKK10-MPK6 mediates red-light-regulated opening of seedling cotyledons through phosphorylation of PIF3.Journal of experimental botany · 2018Article
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8 authors.
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Abstract
Polar auxin transport (PAT) plays a crucial role in the regulation of many aspects of plant growth and development. We report the characterization of a semidominant Arabidopsis thaliana bushy and dwarf1 (bud1) mutant. Molecular genetic analysis indicated that the bud1 phenotype is a result of increased expression of Arabidopsis MAP KINASE KINASE7 (MKK7), a member of plant mitogen-activated protein kinase kinase group D. We showed that BUD1/MKK7 is a functional kinase and that the kinase activity is essential for its biological functions. Compared with the wild type, the bud1 plants develop significantly fewer lateral roots, simpler venation patterns, and a quicker and greater curvature in the gravitropism assay. In addition, the bud1 plants have shorter hypocotyls at high temperature (29 degrees C) under light, which is a characteristic feature of defective auxin action. Determination of tritium-labeled indole-3-acetic acid transport showed that the increased expression of MKK7 in bud1 or the repressed expression in MKK7 antisense transgenic plants causes deficiency or enhancement in auxin transport, indicating that MKK7 negatively regulates PAT. This conclusion was further substantiated by genetic and phenotypic analyses of double mutants generated from crosses between bud1 and the auxin-related mutants axr3-3, tir1-1, doc1-1, and atmdr1-1.
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