ArticleProceedings of the National Academy of Sciences of the United States of America2011
Spatially selective hormonal control of RAP2.6L and ANAC071 transcription factors involved in tissue reunion in Arabidopsis.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 97 papers.
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97 citing papers in PubMed.
- Short-day photoperiod enhances graft success by increasing auxin accumulation.Plant signaling & behavior · 2026Article
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- Pre-mRNA splicing regulates cellular dedifferentiation via lipid metabolism in a cytokinin-dependent manner in Arabidopsis.Plant physiology · 2026Article
- Dynamic characterization of graft union formation in Sapindus mukorossi: role of SmNDUFS4.Plant cell reports · 2026Article
- Graft compatibility emerges from the balance between regeneration and immunity: lessons from plant-plant interactions.Frontiers in plant science · 2026Review
- Auxin transport positions stem cells in the vascular cambium during normal development and regeneration.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Hormone Fluctuation and Gene Expression During Early Stages of the Hickory Grafting Process.Plants (Basel, Switzerland) · 2025Article
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- Water availability positions auxin response maxima to determine plant regeneration fates.Nature plants · 2025Article
- 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
- Plant genetic transformation: achievements, current status and future prospects.Plant biotechnology journal · 2025Review
- One organ to infect them all: the Cuscuta haustorium.Annals of botany · 2025Review
- Here comes the sun: integration of light, temperature, and auxin during herbaceous plant grafting.Planta · 2025Review
- Autophagy is induced during plant grafting to promote wound healing.Nature communications · 2025Article
- Bridging the Gap: Genetic Insights into Graft Compatibility for Enhanced Kiwifruit Production.International journal of molecular sciences · 2025Review
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- Integrated transcriptomic and metabolomic analyses elucidate the mechanism by which grafting impacts potassium utilization efficiency in tobacco.BMC plant biology · 2025Article
- Plant hormone profiling of scion and rootstock incision sites and intra- and inter-family graft junctions inPlant signaling & behavior · 2024Article
- Graft incompatibility between pepper and tomato elicits an immune response and triggers localized cell death.Horticulture research · 2024Article
- Exploring the role of grafting in abiotic stress management: Contemporary insights and automation trends.Plant direct · 2024Article
37 more citing papers are in PubMed but not listed here.
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14 authors.
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No grant is acknowledged in the PubMed record.
Abstract
When grafting or wounding disconnects stem tissues, new tissues are generated to restore the lost connection. In this study, the molecular mechanism of such healing was elucidated in injured stems of Arabidopsis. Soon after the inflorescence stems were incised, the pith cells started to divide. This process was strongly inhibited by the elimination of cauline leaves, shoot apices, or lateral buds that reduced the indole-3-acetic acid supply. Microarray and quantitative RT-PCR analyses revealed that genes related to cell division, phytohormones, and transcription factors were expressed because of incision. Among them, two plant-specific transcription factor genes, ANAC071 and RAP2.6L, were abundantly expressed. ANAC071 was expressed at 1-3 d after cutting exclusively in the upper region of the cut gap, with concomitant accumulation of indole-3-acetic acid. In contrast, RAP2.6L was expressed at 1 d after cutting exclusively in the lower region, with concomitant deprivation of indole-3-acetic acid. The expression of ANAC071 and RAP2.6L were also promoted by ethylene and jasmonic acid, respectively. In transformants suppressing the function of RAP2.6L or ANAC071, the division of pith cells was inhibited. Furthermore, the ethylene signaling-defective ein2 mutant showed incomplete healing. Hence, plant-specific transcription factors differentially expressed around the cut position were essential for tissue reunion of Arabidopsis wounded flowering stems and were under opposite control by polar-transported auxin, with modification by the ethylene and jasmonic acid wound-inducible hormones.
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