ArticlePlant physiology2021
AUXIN RESPONSE FACTOR 18-HISTONE DEACETYLASE 6 module regulates floral organ identity in rose (Rosa hybrida).
Article in Plant physiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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29 citing papers in PubMed, 59 citations in OpenAlex.
- Auxin-related regulation of barley floral organ fate: genetic and phenotypic insights from tweaky spike mutants.The New phytologist · 2026Article
- Identification of the PoARFs gene family in tree peony and expression analysis of PoARF7 and PoARF10 in petals and stamens formation.BMC plant biology · 2026Article
- In Vitro Regeneration, Acclimatization, Phytochemical Profiling, and Antioxidant Properties of Hong Hoen Sirirugsa (Plants (Basel, Switzerland) · 2025Article
- miRNA-targeted auxin nuclear signalling elements orchestrate flower fate and drought response in yellow lupine.Scientific reports · 2025Article
- Integrated Histological, Ultrastructural, and Transcriptomic Analyses Reveal New Insights into Stamen Development in Cytoplasmic Male Sterile Tobacco (CMS K326).Plants (Basel, Switzerland) · 2025Article
- Genome-wide identification and functional analysis of the ARF gene family in tetraploid potato reveal its potential role in anthocyanin biosynthesis.BMC plant biology · 2025Article
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- Local haplotyping reveals insights into the genetic control of flowering time variation in wild and domesticated soybean.The plant genome · 2024Article
- Transcriptomics analyses reveal the key genes involved in stamen petaloid formation in Alcea rosea L.BMC plant biology · 2024Article
- Molecular and genetic regulation of petal number variation.Journal of experimental botany · 2024Review
- Gene Regulatory Network Controlling Flower Development in Spinach (International journal of molecular sciences · 2024Article
- ThePhysiology and molecular biology of plants : an international journal of functional plant biology · 2024Article
- The transcription factor RhMYB17 regulates the homeotic transformation of floral organs in rose (Rosa hybrida) under cold stress.Journal of experimental botany · 2024Article
- The F-box protein RhSAF destabilizes the gibberellic acid receptor RhGID1 to mediate ethylene-induced petal senescence in rose.The Plant cell · 2024Article
- PsmiR159b-Horticulture research · 2024Article
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- A 49-bp deletion ofHorticulture research · 2024Article
- Genome mining of WOX-ARF gene linkage inFrontiers in plant science · 2024Article
- Enigmatic role of auxin response factors in plant growth and stress tolerance.Frontiers in plant science · 2024Review
Corrections and comments
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Authors and funding
14 authors at 7 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The phytohormone auxin plays a pivotal role in floral meristem initiation and gynoecium development, but whether and how auxin controls floral organ identity remain largely unknown. Here, we found that auxin levels influence organ specification, and changes in auxin levels influence homeotic transformation between petals and stamens in rose (Rosa hybrida). The PIN-FORMED-LIKES (PILS) gene RhPILS1 governs auxin levels in floral buds during floral organogenesis. RhAUXIN RESPONSE FACTOR 18 (RhARF18), whose expression decreases with increasing auxin content, encodes a transcriptional repressor of the C-class gene RhAGAMOUS (RhAG), and controls stamen-petal organ specification in an auxin-dependent manner. Moreover, RhARF18 physically interacts with the histone deacetylase (HDA) RhHDA6. Silencing of RhHDA6 increases H3K9/K14 acetylation levels at the site adjacent to the RhARF18-binding site in the RhAG promoter and reduces petal number, indicating that RhARF18 might recruit RhHDA6 to the RhAG promoter to reinforce the repression of RhAG transcription. We propose a model for how auxin homeostasis controls floral organ identity via regulating transcription of RhAG.
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