ArticleThe Plant journal : for cell and molecular biology2025
ABA importers ABCG17 and ABCG18 redundantly regulate seed size in Arabidopsis.
Article in The Plant journal : for cell and molecular biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Integrative genomics and zero-shot deep learning-based phenotyping reveal the genetic architecture of seed traits in mungbean (Vigna radiata L.).The plant genome · 2026Article
- Multiomics Profiling Unveils Key Genes and Metabolites Involved in the Salt Tolerance ofGenes · 2025Article
- Review
- ABC1K2 is involved in stress response and secondary metabolism during seed development in Arabidopsis thaliana.Plant cell reports · 2025Article
- Adaptation of seed dormancy to maternal climate occurs via intergenerational transport of abscisic acid.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
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Authors and funding
11 authors.
Funding
Abstract
The stress hormone abscisic acid (ABA) plays a crucial role in mediating plant responses to the environment and regulating plant development. In this study, we demonstrate that two ABA importers, ABCG17 and ABCG18, control seed size by regulating the ABA levels transported into the embryo. Double knockdown of ABCG17 and ABCG18 resulted in lower ABA accumulation in the embryo, wider siliques, and increased overall seed size. Leaf phloem-specific ABA induction in the aba2-1 background showed that ABA could move from the vasculature to control seed size. ABCG17 and ABCG18 are expressed in leaves, and the reproductive organs septum, and valves but not in the developing seeds, suggesting that ABCG17 and ABCG18 affect seed size maternally. Together, the results shed light on the molecular mechanisms by which ABA is transported to the embryo to determine seed size.
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Registered trials
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