ArticlePlant molecular biology2010
Arabidopsis EMBRYOMAKER encoding an AP2 domain transcription factor plays a key role in developmental change from vegetative to embryonic phase.
Article in Plant molecular biology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 79 papers.
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79 citing papers in PubMed.
- Boosting genome editing in perennial plants by CRISPR-Combo mediated morphogenic gene activation.Nature communications · 2026Article
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- Genome-wide identification, characterization andFrontiers in plant science · 2026Article
- Cloning ofInternational journal of molecular sciences · 2025Article
- Research Advances in AP2/ERF Transcription Factors in Rice Growth and Development.Plants (Basel, Switzerland) · 2025Review
- Molecular insights of somatic embryogenesis in coconut.Molecular biology reports · 2025Review
- Polycomb repressive complex 2 facilitates the transition from heterotrophy to photoautotrophy during seedling emergence.The Plant cell · 2025Article
- PacBio single-molecule long-read transcriptome sequencing and analysis of somatic embryogenesis inFrontiers in plant science · 2025Article
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- Appreciating animal induced pluripotent stem cells to shape plant cell reprogramming strategies.Journal of experimental botany · 2024Review
- Plant regeneration in the new era: from molecular mechanisms to biotechnology applications.Science China. Life sciences · 2024Review
- PLETHORA transcription factors promote early embryo development through induction of meristematic potential.Development (Cambridge, England) · 2024Article
- Application of Developmental Regulators for Enhancing Plant Regeneration and Genetic Transformation.Plants (Basel, Switzerland) · 2024Review
- The roles of epigenetic regulators in plant regeneration: Exploring patterns amidst complex conditions.Plant physiology · 2024Review
- The improvement of the in vitro plant regeneration in barley with the epigenetic modifier of histone acetylation, trichostatin A.Journal of applied genetics · 2024Article
- Transcriptomic Profiling of Embryogenic and Non-Embryogenic Callus Provides New Insight into the Nature of Recalcitrance in Cannabis.International journal of molecular sciences · 2023Article
- Single-cell resolution analysis reveals the preparation for reprogramming the fate of stem cell niche in cotton lateral meristem.Genome biology · 2023Article
- Review
- Initiation of scutellum-derived callus is regulated by an embryo-like developmental pathway in rice.Communications biology · 2023Article
- Anatomical observation and transcriptome analysis of buds reveal the association between the AP2 gene family and reproductive induction in hybrid larch (Larix kaempferi × Larix olgensis).Tree physiology · 2023Article
19 more citing papers are in PubMed but not listed here.
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3 authors.
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Abstract
Although several types of plant cells retain the competence to enter into embryonic development without fertilization, the molecular mechanism(s) underlying ectopic embryogenesis is largely unknown. To gain insight into this mechanism, in a previous study we identified 136 ESTs specifically expressed in microspore embryogenesis of Brassica napus. Here, we describe the characterization of the Arabidopsis EMBRYOMAKER (EMK) gene, which is homologous to one of the identified Brassica ESTs (BnGemb-58) and encodes an AP2 domain transcription factor. The AtEMK was expressed in developing and mature embryos, but its rapid disappearance occurred during germination. After germination, the expression of AtEMK was found in the root apical meristem and the distal parts of cotyledons. Although a mutant lacking AtEMK exhibited no distinctive defects in the embryo, ectopic expression of AtEMK induced embryo-like structures from cotyledons. The embryo-like structures contained high concentration of lipids, expressed several embryo-specific genes, and could convert into independent plants, indicating that the structures are somatic embryos. In vitro culture, AtEMK enhanced the efficiency of somatic embryogenesis. Furthermore, ectopic expression of AtEMK caused the formation of trichomes on cotyledons, dedifferentiated several tissues into calli, and retarded root development, demonstrating that AtEMK is harmful for the normal development of plants after germination. From these results, we conclude that the AtEMK is a key player to maintain embryonic identity, and the rapid disappearance of AtEMK expression during germination is essential for the developmental transition between the embryonic and vegetative phases in plants.
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