ArticleNature communications2023
OBERON3 and SUPPRESSOR OF MAX2 1-LIKE proteins form a regulatory module driving phloem development.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 16 citations in OpenAlex.
- A group of TCP transcription factors is a missing link in strigolactone signaling.Journal of integrative plant biology · 2026Article
- SMXL3 controls multiple aspects of Arabidopsis development via EAR motif-dependent and -independent functions.The Plant journal : for cell and molecular biology · 2026Article
- An N-terminal domain specifies developmental control by the SMAX1-LIKE family of transcriptional regulators inProceedings of the National Academy of Sciences of the United States of America · 2025Article
- The SMXL8-AGL9 module mediates crosstalk between strigolactone and gibberellin to regulate strigolactone-induced anthocyanin biosynthesis in apple.The Plant cell · 2024Article
- Genome-wide transcript expression analysis reveals major chickpea and lentil genes associated with plant branching.Frontiers in plant science · 2024Article
- Strigo-D2-a bio-sensor for monitoring spatio-temporal strigolactone signaling patterns in intact plants.Plant physiology · 2022Article
Corrections and comments
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Authors and funding
14 authors at 3 institutions in 3 countries.
Funding
Abstract
Spatial specificity of cell fate decisions is central for organismal development. The phloem tissue mediates long-distance transport of energy metabolites along plant bodies and is characterized by an exceptional degree of cellular specialization. How a phloem-specific developmental program is implemented is, however, unknown. Here we reveal that the ubiquitously expressed PHD-finger protein OBE3 forms a central module with the phloem-specific SMXL5 protein for establishing the phloem developmental program in Arabidopsis thaliana. By protein interaction studies and phloem-specific ATAC-seq analyses, we show that OBE3 and SMXL5 proteins form a complex in nuclei of phloem stem cells where they promote a phloem-specific chromatin profile. This profile allows expression of OPS, BRX, BAM3, and CVP2 genes acting as mediators of phloem differentiation. Our findings demonstrate that OBE3/SMXL5 protein complexes establish nuclear features essential for determining phloem cell fate and highlight how a combination of ubiquitous and local regulators generate specificity of developmental decisions in plants.
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