ArticlePlant physiology2014
Endomembrane trafficking protein SEC24A regulates cell size patterning in Arabidopsis.
Article in Plant physiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 28 citations in OpenAlex.
- Eukaryotic chaperonin coordinates root meristem activity by regulating SEC31B-dependent COPII vesicle trafficking of PIN auxin efflux carrier in Arabidopsis.Journal of integrative plant biology · 2026Article
- Arabidopsis MACP2 contributes to autophagy induction by modulating starvation-induced reactive oxygen species homeostasis.Advanced biotechnology · 2025Article
- Association analyses reveal both anthropic and environmental selective events during eggplant domestication.The Plant journal : for cell and molecular biology · 2025Article
- Article
- Enhancer activation via TCP and HD-ZIP and repression by Dof transcription factors mediate giant cell-specific expression.The Plant cell · 2023Article
- A unique AtSar1D-AtRabD2a nexus modulates autophagosome biogenesis inProceedings of the National Academy of Sciences of the United States of America · 2021Article
- Article
- New insights into the mechanism of storage protein biosynthesis in wheat caryopsis under different nitrogen levels.Protoplasma · 2020Article
- Transport from the endoplasmic reticulum to the Golgi in plants: Where are we now?Seminars in cell & developmental biology · 2018Review
- The Arabidopsis COPII components, AtSEC23A and AtSEC23D, are essential for pollen wall development and exine patterning.Journal of experimental botany · 2018Article
- Ectopic RING zinc finger gene from hot pepper induces totally different genes in lettuce and tobacco.Molecular breeding : new strategies in plant improvement · 2018Article
- Fluctuations of the transcription factor ATML1 generate the pattern of giant cells in theeLife · 2017Article
- Reshaping Plant Biology: Qualitative and Quantitative Descriptors for Plant Morphology.Frontiers in plant science · 2017Review
- Secretory COPII Protein SEC31B Is Required for Pollen Wall Development.Plant physiology · 2016Article
- Article
- Variability and Constancy in Cellular Growth of Arabidopsis Sepals.Plant physiology · 2015Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Size is a critical property of a cell, but how it is determined is still not well understood. The sepal epidermis of Arabidopsis (Arabidopsis thaliana) contains cells with a diversity of sizes ranging from giant cells to small cells. Giant cells have undergone endoreduplication, a specialized cell cycle in which cells replicate their DNA but fail to divide, becoming polyploid and enlarged. Through forward genetics, we have identified a new mutant with ectopic giant cells covering the sepal epidermis. Surprisingly, the mutated gene, SEC24A, encodes a coat protein complex II vesicle coat subunit involved in endoplasmic reticulum-to-Golgi trafficking in the early secretory pathway. We show that the ectopic giant cells of sec24a-2 are highly endoreduplicated and that their formation requires the activity of giant cell pathway genes LOSS OF GIANT CELLS FROM ORGANS, DEFECTIVE KERNEL1, and Arabidopsis CRINKLY4. In contrast to other trafficking mutants, cytokinesis appears to occur normally in sec24a-2. Our study reveals an unexpected yet specific role of SEC24A in endoreduplication and cell size patterning in the Arabidopsis sepal.
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