ArticleFEBS open bio2013
Ectopic overexpression of castor bean LEAFY COTYLEDON2 (LEC2) in Arabidopsis triggers the expression of genes that encode regulators of seed maturation and oil body proteins in vegetative tissues.
Article in FEBS open bio, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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32 citing papers in PubMed.
- Cross-Species Reprogramming of Developmental Plasticity and Metabolic Rewiring via Banana-Derived WUS2 Developmental Regulator.Plant biotechnology journal · 2026Article
- Transcription Factor GmERFA Interacts With GmNFYA and Acts as a Negative Regulator of Seed Fatty Acid Accumulation in Soybean.Plant biotechnology journal · 2025Article
- LIPID RICH 1 modulates allocation of carbon between starch and triacylglycerol in Arabidopsis leaves.Journal of experimental botany · 2025Article
- LIPID DROPLET PROTEIN OF SEEDS is involved in the control of lipid droplet size in Arabidopsis seeds and seedlings.The Plant cell · 2025Article
- Functional analysis of the woody oil crop Plukenetia volubilis L. LEC2 homolog PvoB3-69 in promoting regeneration.Plant cell reports · 2025Article
- Inducible expression of DEFECTIVE IN ANTHER DEHISCENCE 1 enhances triacylglycerol accumulation and lipid droplet formation in vegetative tissues.The Plant journal : for cell and molecular biology · 2025Article
- The complex consequences of engineering oil leaf production in plants.Plant physiology · 2024Article
- Epigenetic modifications and miRNAs determine the transition of somatic cells into somatic embryos.Plant cell reports · 2023Review
- Advances in Somatic Embryogenesis of Banana.International journal of molecular sciences · 2023Review
- Characterization of Oil Body and Starch Granule Dynamics in Developing Seeds ofInternational journal of molecular sciences · 2023Article
- Genome-Wide Analysis of the Molecular Functions of B3 Superfamily in Oil Biosynthesis in Olive (BioMed research international · 2023Article
- The seed-specific transcription factor DPBF2 modulates the fatty acid composition in seeds.Plant direct · 2022Article
- Epigenetic regulation of seed-specific gene expression by DNA methylation valleys in castor bean.BMC biology · 2022Article
- Genome-wide analysis of the B3 transcription factors reveals that RcABI3/VP1 subfamily plays important roles in seed development and oil storage in castor bean (Plant diversity · 2022Article
- Transduction of Signals during Somatic Embryogenesis.Plants (Basel, Switzerland) · 2022Review
- Overexpression of WRINKLED1 improves the weight and oil content in seeds of flax (Frontiers in plant science · 2022Article
- Is CRISPR/Cas9 a way forward to fast-track genetic improvement in commercial palms? Prospects and limits.Frontiers in plant science · 2022Review
- Review
- LDIP cooperates with SEIPIN and LDAP to facilitate lipid droplet biogenesis in Arabidopsis.The Plant cell · 2021Article
- A Tree Peony Trihelix Transcription Factor PrASIL1 Represses Seed Oil Accumulation.Frontiers in plant science · 2021Article
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7 authors.
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Abstract
The LEAFY COTYLEDON2 (LEC2) gene plays critically important regulatory roles during both early and late embryonic development. Here, we report the identification of the LEC2 gene from the castor bean plant (Ricinus communis), and characterize the effects of its overexpression on gene regulation and lipid metabolism in transgenic Arabidopsis plants. LEC2 exists as a single-copy gene in castor bean, is expressed predominantly in embryos, and encodes a protein with a conserved B3 domain, but different N- and C-terminal domains to those found in LEC2 from Arabidopsis. Ectopic overexpression of LEC2 from castor bean under the control of the cauliflower mosaic virus (CaMV) 35S promoter in Arabidopsis plants induces the accumulation of transcripts that encodes five major transcription factors (the LEAFY COTYLEDON1 (LEC1), LEAFY COTYLEDON1-LIKE (L1L), FUSCA3 (FUS3), and ABSCISIC ACID INSENSITIVE 3 (ABI3) transcripts for seed maturation, and WRINKELED1 (WRI1) transcripts for fatty acid biosynthesis), as well as OLEOSIN transcripts for the formation of oil bodies in vegetative tissues. Transgenic Arabidopsis plants that express the LEC2 gene from castor bean show a range of dose-dependent morphological phenotypes and effects on the expression of LEC2-regulated genes during seedling establishment and vegetative growth. Expression of castor bean LEC2 in Arabidopsis increased the expression of fatty acid elongase 1 (FAE1) and induced the accumulation of triacylglycerols, especially those containing the seed-specific fatty acid, eicosenoic acid (20:1(Δ11)), in vegetative tissues.
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