ArticleThe Plant cell2016
Transcriptional Activation of Two Delta-9 Palmitoyl-ACP Desaturase Genes by MYB115 and MYB118 Is Critical for Biosynthesis of Omega-7 Monounsaturated Fatty Acids in the Endosperm of Arabidopsis Seeds.
Article in The Plant cell, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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Who cites it
29 citing papers in PubMed, 61 citations in OpenAlex.
- Genome-Wide Identification of DlGRAS Family and Functional Analysis ofInternational journal of molecular sciences · 2025Article
- Tracking the genome-wide occupancy of Arabidopsis LEAFY COTYLEDON1 in endosperm development.Communications biology · 2025Article
- Ectopic expression of AtMYB115 and AtMYB118 induces green tissue formation in non-green organs of Arabidopsis thaliana.Genes & genomics · 2025Article
- Identification of a promoter region specifically active in the maturing endosperm of Arabidopsis seeds and its use for targeted modification of fatty acid metabolism.The Plant journal : for cell and molecular biology · 2025Article
- Insights into the Stearoyl-Acyl Carrier Protein Desaturase (SAD) Family in Tigernut (Plants (Basel, Switzerland) · 2025Article
- A data-integrative modeling approach accurately characterizes the effects of mutations on Arabidopsis lipid metabolism.Plant physiology · 2025Article
- Dynamic atlas of histone modifications and gene regulatory networks in endosperm of bread wheat.Nature communications · 2024Article
- Organ-delimited gene regulatory networks provide high accuracy in candidate transcription factor selection across diverse processes.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Interaction between phenylpropane metabolism and oil accumulation in the developing seed of Brassica napus revealed by high temporal-resolution transcriptomes.BMC biology · 2023Article
- Comparative transcriptomic and evolutionary analysis of FAD-like genes of Brassica species revealed their role in fatty acid biosynthesis and stress tolerance.BMC plant biology · 2023Article
- A near complete genome assembly of chia assists in identification of key fatty acid desaturases in developing seeds.Frontiers in plant science · 2023Article
- Progress in understanding and improving oil content and quality in seeds.Frontiers in plant science · 2023Review
- Longer Duration of Active Oil Biosynthesis during Seed Development Is Crucial for High Oil Yield-Lessons from Genome-Wide In Silico Mining and RNA-Seq Validation in Sesame.Plants (Basel, Switzerland) · 2022Article
- Early seed development requires the A-type ATP-binding cassette protein ABCA10.Plant physiology · 2022Article
- Plastidial acyl carrier protein Δ9-desaturase modulates eicosapentaenoic acid biosynthesis and triacylglycerol accumulation in Phaeodactylum tricornutum.The Plant journal : for cell and molecular biology · 2021Article
- Review
- Molecular Control of Oil Metabolism in the Endosperm of Seeds.International journal of molecular sciences · 2021Review
- Differential Activation of Partially Redundant Δ9 Stearoyl-ACP Desaturase Genes Is Critical for Omega-9 Monounsaturated Fatty Acid Biosynthesis During Seed Development in Arabidopsis.The Plant cell · 2020Article
- Characterization of a Novel Acyl-ACP ΔFrontiers in microbiology · 2020Article
- Root Epidermal Cell Patterning Is Modulated by a Critical Residue in the WEREWOLF Transcription Factor.Plant physiology · 2019Article
Corrections and comments
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In angiosperms, double fertilization of the embryo sac initiates the development of the embryo and the endosperm. In Arabidopsis thaliana, an exalbuminous species, the endosperm is reduced to one cell layer during seed maturation and reserves such as oil are massively deposited in the enlarging embryo. Here, we consider the strikingly different fatty acid (FA) compositions of the oils stored in the two zygotic tissues. Endosperm oil is enriched in ω-7 monounsaturated FAs, that represent more than 20 mol% of total FAs, whereas these molecular species are 10-fold less abundant in the embryo. Two closely related transcription factors, MYB118 and MYB115, are transcriptionally induced at the onset of the maturation phase in the endosperm and share a set of transcriptional targets. Interestingly, the endosperm oil of myb115 myb118 double mutants lacks ω-7 FAs. The identification of two Δ9 palmitoyl-ACP desaturases responsible for ω-7 FA biosynthesis, which are activated by MYB115 and MYB118 in the endosperm, allows us to propose a model for the transcriptional control of oil FA composition in this tissue. In addition, an initial characterization of the structure-function relationship for these desaturases reveals that their particular substrate specificity is conferred by amino acid residues lining their substrate pocket that distinguish them from the archetype Δ9 stearoyl-ACP desaturase.
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