ArticleFrontiers in plant science2014
Transcriptomic analysis reveals ethylene as stimulator and auxin as regulator of adventitious root formation in petunia cuttings.
Article in Frontiers in plant science, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.
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46 citing papers in PubMed, 139 citations in OpenAlex.
- Article
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- ABT Promotes Adventitious Root Formation in Mulberry Cuttings by Coordinating Hormonal Homeostasis and Defense Priming.Current issues in molecular biology · 2026Article
- Rooting Ability ofPlants (Basel, Switzerland) · 2026Article
- Involvement of Ethylene in Adventitious Root Formation of Red-Stalked Rhubarb In Vitro.International journal of molecular sciences · 2025Article
- MDF Regulates a Network of Auxin-Dependent and Auxin-Independent Pathways of Adventitious Root Regeneration inPlant direct · 2025Article
- Transcriptomic and hormonal dynamics in relation to adventitious rooting of two parentalFrontiers in plant science · 2025Article
- Physiological and transcriptomic analysis reveal the regulation of adventitious root formation in Cinnamomum parthenoxylon cuttings.BMC plant biology · 2024Article
- Transcriptomic profiling and discovery of key transcription factors involved in adventitious roots formation from root cuttings of mulberry.BMC genomics · 2024Article
- Ethylene Action Inhibition Improves Adventitious Root Induction in Adult Chestnut Tissues.Plants (Basel, Switzerland) · 2024Article
- Laser-wound stimulated adventitious root formation ofFrontiers in plant science · 2024Article
- NnWOX1-1, NnWOX4-3, and NnWOX5-1 of lotus (Nelumbo nucifera Gaertn)promote root formation and enhance stress tolerance in transgenic Arabidopsis thaliana.BMC genomics · 2023Article
- Environmental Modulation of Mini-Clonal Gardens for Cutting Production and Propagation of Hard- and Easy-to-RootPlants (Basel, Switzerland) · 2022Article
- Transcriptional landscapes of de novo root regeneration from detached Arabidopsis leaves revealed by time-lapse and single-cell RNA sequencing analyses.Plant communications · 2022Article
- De novo transcriptome analysis provides insights into formation of in vitro adventitious root from leaf explants of Arnebia euchroma.BMC plant biology · 2021Article
- Article
- Comparative Transcriptome Analysis Provides New Insights into the Molecular Regulatory Mechanism of Adventitious Root Formation in Ramie (Plants (Basel, Switzerland) · 2021Article
- Adventitious Rooting inFrontiers in plant science · 2021Review
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- Identifying Molecular Chechkpoints for Adventitious Root Induction: Are We Ready to Fill the Gaps?Frontiers in plant science · 2021Article
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Adventitious root (AR) formation in the stem base (SB) of cuttings is the basis for propagation of many plant species and petunia is used as model to study this developmental process. Following AR formation from 2 to 192 hours post-excision (hpe) of cuttings, transcriptome analysis by microarray revealed a change of the character of the rooting zone from SB to root identity. The greatest shift in the number of differentially expressed genes was observed between 24 and 72 hpe, when the categories storage, mineral nutrient acquisition, anti-oxidative and secondary metabolism, and biotic stimuli showed a notable high number of induced genes. Analyses of phytohormone-related genes disclosed multifaceted changes of the auxin transport system, auxin conjugation and the auxin signal perception machinery indicating a reduction in auxin sensitivity and phase-specific responses of particular auxin-regulated genes. Genes involved in ethylene biosynthesis and action showed a more uniform pattern as a high number of respective genes were generally induced during the whole process of AR formation. The important role of ethylene for stimulating AR formation was demonstrated by the application of inhibitors of ethylene biosynthesis and perception as well as of the precursor aminocyclopropane-1-carboxylic acid, all changing the number and length of AR. A model is proposed showing the putative role of polar auxin transport and resulting auxin accumulation in initiation of subsequent changes in auxin homeostasis and signal perception with a particular role of Aux/IAA expression. These changes might in turn guide the entrance into the different phases of AR formation. Ethylene biosynthesis, which is stimulated by wounding and does probably also respond to other stresses and auxin, acts as important stimulator of AR formation probably via the expression of ethylene responsive transcription factor genes, whereas the timing of different phases seems to be controlled by auxin.
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