ArticleNature communications2018
Site-specific phosphorylation of TRANSPARENT TESTA GLABRA1 mediates carbon partitioning in Arabidopsis seeds.
Article in Nature communications, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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Who cites it
31 citing papers in PubMed, 66 citations in OpenAlex.
- Comprehensive Identification ofBiology · 2026Article
- Proanthocyanidins: structure, biosynthesis, regulation, and structure-activity relationships.aBIOTECH · 2026Review
- Rational gene stacking for seed-specific carbon partitioning to simultaneously enhance lipid and protein contents in Arabidopsis.Journal of experimental botany · 2026Article
- CoExpPhylo - a novel pipeline for biosynthesis gene discovery.BMC genomics · 2025Article
- Innovative screening for mutants affected in seed oil/protein allocation identifies TRANSPARENT TESTA7 as a regulator of oil accumulation.The Plant journal : for cell and molecular biology · 2025Article
- The gapless genome assembly and multi-omics analyses unveil a pivotal regulatory mechanism of oil biosynthesis in the olive tree.Horticulture research · 2024Article
- The phosphorylation of a WD40-repeat protein negatively regulates flavonoid biosynthesis inHorticulture research · 2024Article
- Oil candidate genes in seeds of cotton (Gossypium hirsutum L.) and functional validation of GhPXN1.Biotechnology for biofuels and bioproducts · 2023Article
- MYB-bHLH-TTG1 in a Multi-tiered Pathway Regulates Arabidopsis Seed Coat Mucilage Biosynthesis Genes Including PECTIN METHYLESTERASE INHIBITOR14 Required for Homogalacturonan Demethylesterification.Plant & cell physiology · 2023Article
- The complexities of proanthocyanidin biosynthesis and its regulation in plants.Plant communications · 2023Review
- Photoperiod controls plant seed size in a CONSTANS-dependent manner.Nature plants · 2023Article
- Regulatory network of GSK3-like kinases and their role in plant stress response.Frontiers in plant science · 2023Review
- Splicing-mediated activation of SHAGGY-like kinases underpinning carbon partitioning in Arabidopsis seeds.The Plant cell · 2022Article
- Genome-wide identification and expression analysis of the GSK gene family in wheat (Triticum aestivum L.).Molecular biology reports · 2022Article
- Glycogen synthase kinases in model and crop plants - From negative regulators of brassinosteroid signaling to multifaceted hubs of various signaling pathways and modulators of plant reproduction and yield.Frontiers in plant science · 2022Review
- The Carboxyl-Terminus of TRANSPARENT TESTA GLABRA1 Is Critical for Its Functions in Arabidopsis.International journal of molecular sciences · 2021Article
- Integrative iTRAQ-based proteomic and transcriptomic analysis reveals the accumulation patterns of key metabolites associated with oil quality during seed ripening of Camellia oleifera.Horticulture research · 2021Article
- Review
- Turning the Knobs: The Impact of Post-translational Modifications on Carbon Metabolism.Frontiers in plant science · 2021Review
- Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Seed development is dependent on nutrients, such as a source of carbon, supplied by the parent plant. It remains largely unknown how these nutrients are distributed to zygotic and maternal tissues to coordinate storage of reserve compounds and development of protective tissues like seed coat. Here we show that phosphorylation of TRANSPARENT TESTA GLABRA1 (TTG1) is regulated by SHAGGY-like kinases 11/12 (SK11/12) and that this mediates carbon flow to fatty acid synthesis and seed coat traits in Arabidopsis seeds. SK11/12 phosphorylate TTG1 at serine 215, thus preventing TTG1 interaction with TRANSPARENT TESTA2. This compromises recruitment of TTG1 to the GLABRA2 locus and downregulates GLABRA2 expression, which enhances biosynthesis of fatty acids in the embryo, but reduces production of mucilage and flavonoid pigments in the seed coat. Therefore, site-specific phosphorylation of TTG1 by SK11/SK12 regulates carbon partitioning between zygotic and maternal sinks in seeds.
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