ArticlePlant physiology2011
Expression of Arabidopsis SHORT INTERNODES/STYLISH family genes in auxin biosynthesis zones of aerial organs is dependent on a GCC box-like regulatory element.
Article in Plant physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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34 citing papers in PubMed, 57 citations in OpenAlex.
- PUCHI delimits the spatial domain of nodule organogenesis associated with auxin patterning and NIN-dependent transcription in Lotus japonicus.Journal of plant research · 2026Article
- Genome-Wide Identification and Expression Analysis of thePlants (Basel, Switzerland) · 2025Article
- Genome-Wide Identification of theBiology · 2025Article
- Genome-Wide Identification of SRS Gene Family in Wheat and Expression Analysis Under Abiotic Stress.International journal of molecular sciences · 2025Article
- Interactions Between the Transcription Factor BOL/DRNL/ESR2 and the Jasmonate Pathway.Plants (Basel, Switzerland) · 2025Article
- The AP2 transcription factor BARE RECEPTACLE regulates floral organogenesis via auxin pathways in woodland strawberry.The Plant cell · 2024Article
- Guardians of the fragrance: Uncovering the genetics behind citrus oil glands.Plant communications · 2024Article
- Ectopic Expression ofInternational journal of molecular sciences · 2024Article
- What a tangled web it weaves: auxin coordination of stem cell maintenance and flower production.Journal of experimental botany · 2023Article
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- Genome Wide Identification and Annotation of NGATHA Transcription Factor Family in Crop Plants.International journal of molecular sciences · 2022Article
- Ethylene-responsive factor ERF114 mediates fungal pathogen effector PevD1-induced disease resistance in Arabidopsis thaliana.Molecular plant pathology · 2022Article
- Genome-wide characterization of theFrontiers in plant science · 2022Article
- Casting the Net-Connecting Auxin Signaling to the Plant Genome.Cold Spring Harbor perspectives in biology · 2021Review
- Gene expression variation in Arabidopsis embryos at single-nucleus resolution.Development (Cambridge, England) · 2021Article
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- Auxin and Flower Development: A Blossoming Field.Cold Spring Harbor perspectives in biology · 2021Review
- Lotus japonicus Nuclear Factor YA1, a nodule emergence stage-specific regulator of auxin signalling.The New phytologist · 2021Article
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Authors and funding
7 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Auxin/indole-3-acetic acid (IAA) biosynthesis in Arabidopsis (Arabidopsis thaliana) plays a major role in growth responses to developmental and genetic signals as well as to environmental stimuli. Knowledge of its regulation, however, remains rudimentary, and few proteins acting as transcriptional modulators of auxin biosynthesis have been identified. We have previously shown that alteration in the expression level of the SHORT INTERNODES/STYLISH (SHI/STY) family member STY1 affects IAA biosynthesis rates and IAA levels and that STY1 acts as a transcriptional activator of genes encoding auxin biosynthesis enzymes. Here, we have analyzed the upstream regulation of SHI/STY family members to gain further insight into transcriptional regulation of auxin biosynthesis. We attempted to modulate the normal expression pattern of STY1 by mutating a putative regulatory element, a GCC box, located in the proximal promoter region and conserved in most SHI/STY genes in Arabidopsis. Mutations in the GCC box abolish expression in aerial organs of the adult plant. We also show that induction of the transcriptional activator DORNRÖSCHEN-LIKE (DRNL) activates the transcription of STY1 and other SHI/STY family members and that this activation is dependent on a functional GCC box. Additionally, STY1 expression in the strong drnl-2 mutant or the drn drnl-1 puchi-1 triple mutant, carrying knockdown mutations in both DRNL and its close paralogue DRN as well as one of their closest homologs, PUCHI, was significantly reduced, suggesting that DRNL regulates STY1 during normal plant development and that several other genes might have redundant functions.
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