ArticleThe Plant journal : for cell and molecular biology2017
Brassinosteroid signaling converges with SUPPRESSOR OF PHYTOCHROME B4-#3 to influence the expression of SMALL AUXIN UP RNA genes and hypocotyl growth.
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 22 papers.
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Who cites it
22 citing papers in PubMed, 46 citations in OpenAlex.
- Reduced RG-II pectin dimerization disrupts differential growth by attenuating hormonal regulation.Science advances · 2025Article
- Chromatin attachment to the nuclear matrix represses hypocotyl elongation in Arabidopsis thaliana.Nature communications · 2024Article
- The Small Auxin-Up RNAPlants (Basel, Switzerland) · 2023Article
- Application of 2,4-Epibrassinolide Improves Drought Tolerance in Tobacco through Physiological and Biochemical Mechanisms.Biology · 2022Article
- Genome-wide characterization and expression analysis of SAUR gene family in Melon (Cucumis melo L.).Planta · 2022Article
- Comprehensive In Silico Analysis and Transcriptional Profiles Highlight the Importance of Mitochondrial Dicarboxylate Carriers (DICs) on Hypoxia Response in BothPlants (Basel, Switzerland) · 2022Article
- Genome-wide association and RNA-seq analyses identify loci for pod orientation in rapeseed (Frontiers in plant science · 2022Article
- Overexpression of AtAHL20 causes delayed flowering in Arabidopsis via repression of FT expression.BMC plant biology · 2020Article
- SAUR15 Promotes Lateral and Adventitious Root Development via Activating HPlant physiology · 2020Article
- Article
- Improving seed size, seed weight and seedling emergence in Camelina sativa by overexpressing the Atsob3-6 gene variant.Transgenic research · 2020Article
- Small Auxin Up RNAs influence the distribution of indole-3-acetic acid and play a potential role in increasing seed size in Euryale ferox Salisb.BMC plant biology · 2020Article
- Transcriptome and Network Analyses of Heterostyly inPlants (Basel, Switzerland) · 2020Article
- The SAUR41 subfamily of SMALL AUXIN UP RNA genes is abscisic acid inducible to modulate cell expansion and salt tolerance in Arabidopsis thaliana seedlings.Annals of botany · 2020Article
- CIRCADIAN CLOCK ASSOCIATED 1 and ATAF2 differentially suppress cytochrome P450-mediated brassinosteroid inactivation.Journal of experimental botany · 2020Article
- Brassinosteroid Signaling Converges With Auxin-Mediated C3H17 to Regulate Xylem Formation inFrontiers in plant science · 2020Article
- Identification and Expression ofGenes · 2019Article
- Hypocotyl Elongation Inhibition of Melatonin Is Involved in Repressing Brassinosteroid Biosynthesis inFrontiers in plant science · 2019Article
- Crosstalk of the Brassinosteroid Signalosome with Phytohormonal and Stress Signaling Components Maintains a Balance between the Processes of Growth and Stress Tolerance.International journal of molecular sciences · 2018Review
- Divergent regulation of Arabidopsis SAUR genes: a focus on the SAUR10-clade.BMC plant biology · 2017Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Interactions between signaling pathways help guide plant development. In this study, we found that brassinosteroid (BR) signaling converges with SUPPRESSOR OF PHYTOCHROME B4-#3 (SOB3) to influence both the transcription of genes involved in cell elongation and hypocotyl growth. Specifically, SOB3 mutant hypocotyl phenotypes, which are readily apparent when the seedlings are grown in dim white light, were attenuated by treatment with either brassinolide (BL) or the BR biosynthesis inhibitor brassinazole (BRZ). Hypocotyls of SOB3 mutant seedlings grown in white light with a higher fluence rate also exhibited altered sensitivities to BL, further suggesting a connection to BR signaling. However, the impact of BL treatment on SOB3 mutants grown in moderate-intensity white light was reduced when polar auxin transport was inhibited. BL treatment enhanced transcript accumulation for all six members of the SMALL AUXIN UP RNA19 (SAUR19) subfamily, which promote cell expansion, are repressed by SOB3 and light, and are induced by auxin. Conversely, BRZ inhibited the expression of SAUR19 and its homologs. Expression of these SAURs was also enhanced in lines expressing a constitutively active form of the BR signaling component BZR1, further indicating that the transcription of SAUR19 subfamily members are influenced by this hormone signaling pathway. Taken together, these results indicate that SOB3 and BR signaling converge to influence the transcription of hypocotyl growth-promoting SAUR19 subfamily members.
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