ArticlePlant physiology2024
Auxin signaling in the cambium promotes tissue adhesion and vascular formation during Arabidopsis graft healing.
Article in Plant physiology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Short-day photoperiod enhances graft success by increasing auxin accumulation.Plant signaling & behavior · 2026Article
- Genetic regulation of stem elongation and thickening in ornamental plants: a review.Horticulture research · 2026Article
- Dynamic characterization of graft union formation in Sapindus mukorossi: role of SmNDUFS4.Plant cell reports · 2026Article
- Integrated multiomics analysis reveals the molecular mechanism of light intensity-enhanced healing in cotyledon-less splice grafted watermelon.Horticulture research · 2026Article
- Graft compatibility emerges from the balance between regeneration and immunity: lessons from plant-plant interactions.Frontiers in plant science · 2026Review
- Graft union formation involves interactions among bud signals, carbon availability, dormancy release, wound responses and non-self-communication in grapevine.The Plant journal : for cell and molecular biology · 2025Article
- The developmental transcriptome dynamics of current-year shoot utilized as scion in Camellia chekiangoleosa.BMC plant biology · 2025Article
- Here comes the sun: integration of light, temperature, and auxin during herbaceous plant grafting.Planta · 2025Review
- The biology of grafting and its applications in studying information exchange between plants.Nature plants · 2025Review
- Of attachment and connection: Auxin signaling in the cambium promotes successful plant grafting.Plant physiology · 2024Article
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Authors and funding
4 authors.
Funding
Abstract
The strong ability of plants to regenerate wounds is exemplified by grafting when two plants are cut and joined together to grow as one. During graft healing, tissues attach, cells proliferate, and the vasculatures connect to form a graft union. The plant hormone auxin plays a central role, and auxin-related mutants perturb grafting success. Here, we investigated the role of individual cell types and their response to auxin during Arabidopsis (Arabidopsis thaliana) graft formation. By employing a cell-specific inducible misexpression system, we blocked auxin response in individual cell types using the bodenlos mutation. We found that auxin signaling in procambial tissues was critical for successful tissue attachment and vascular differentiation. In addition, we found that auxin signaling was required for cell divisions of the procambial cells during graft formation. Loss of function mutants in cambial pathways also perturbed attachment and phloem reconnection. We propose that cambial and procambial tissues drive tissue attachment and vascular differentiation during successful grafting. Our study thus refines our knowledge of graft development and furthers our understanding of the regenerative role of the cambium.
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