ArticleJournal of experimental botany2021
ABA signalling promotes cell totipotency in the shoot apex of germinating embryos.
Article in Journal of experimental botany, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed, 59 citations in OpenAlex.
- Synergistic Promotion of Somatic Embryogenesis inPlants (Basel, Switzerland) · 2026Article
- De novo transcriptome analysis of somatic embryogenesis induced by plant hormones combined with adenosine 5-monophosphate and nicotinamide adenine dinucleotide molecules in Aspilia africana (Pers.) C.D.Adams.Journal, genetic engineering & biotechnology · 2026Article
- Stage-specific metabolic divergence in flavonoid biosynthesis correlates with embryogenic capacity in rubber tree (Frontiers in plant science · 2026Article
- On growth and flow: hydraulic aspects of aboveground meristems.The New phytologist · 2026Review
- Integrated Multi-Omics Reveals Mechanism of Adventitious Buds Regeneration in In Vitro Cultures ofPlants (Basel, Switzerland) · 2025Article
- Water availability positions auxin response maxima to determine plant regeneration fates.Nature plants · 2025Article
- LEC2 induces somatic cell reprogramming through epigenetic activation of plant cell totipotency regulators.Nature communications · 2025Article
- Functional analysis of the woody oil crop Plukenetia volubilis L. LEC2 homolog PvoB3-69 in promoting regeneration.Plant cell reports · 2025Article
- Dynamic changes in DNA methylation play a regulatory role in gene expression during the formation of callus from immature barley embryos.BMC plant biology · 2025Article
- Roles of reactive oxygen species, storage compounds, and endogenous hormones in regulating somatic embryogenesis in blue spruce (Frontiers in plant science · 2025Article
- Proteomic and Phosphoproteomic Analyses during Plant Regeneration Initiation in Cotton (Genes · 2024Article
- In Vitro Morphogenesis of Tobacco: Modulation of Endogenous Growth Regulators by Tulsi (Holy Basil).Plants (Basel, Switzerland) · 2024Article
- Somatic embryogenesis from mature sorghum seeds: An underutilized genome editing recipient system.Heliyon · 2024Article
- HInternational journal of molecular sciences · 2024Article
- Analysis of the plant hormone expression profile during somatic embryogenesis induction in teak (Frontiers in plant science · 2024Article
- Article
- The source, level, and balance of nitrogen during the somatic embryogenesis process drive cellular differentiation.Planta · 2022Review
- A Comparative Transcriptome Analysis Reveals the Molecular Mechanisms That Underlie Somatic Embryogenesis inInternational journal of molecular sciences · 2022Article
- Molecular Aspects of Seed Development Controlled by Gibberellins and Abscisic Acids.International journal of molecular sciences · 2022Review
- Transduction of Signals during Somatic Embryogenesis.Plants (Basel, Switzerland) · 2022Review
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Somatic embryogenesis (SE) is a type of induced cell totipotency where embryos develop from vegetative tissues of the plant instead of from gamete fusion after fertilization. SE can be induced in vitro by exposing explants to growth regulators, such as the auxinic herbicide 2,4-dichlorophenoxyacetic acid (2,4-D). The plant hormone abscisic acid (ABA) has been proposed to be a downstream signalling component at the intersection between 2,4-D- and stress-induced SE, but it is not known how these pathways interact to induce cell totipotency. Here we show that 2,4-D-induced SE from the shoot apex of germinating Arabidopsis thaliana seeds is characterized by transcriptional maintenance of an ABA-dependent seed maturation pathway. Molecular-genetic analysis of Arabidopsis mutants revealed a role for ABA in promoting SE at three different levels: ABA biosynthesis, ABA receptor complex signalling, and ABA-mediated transcription, with essential roles for the ABSCISIC ACID INSENSITIVE 3 (ABI3) and ABI4 transcription factors. Our data suggest that the ability of mature Arabidopsis embryos to maintain the ABA seed maturation environment is an important first step in establishing competence for auxin-induced cell totipotency. This finding provides further support for the role of ABA in directing processes other than abiotic stress response.
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