ArticlePlant physiology2021
Auxin controls the division of root endodermal cells.
Article in Plant physiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 32 citations in OpenAlex.
- Hormonal regulation of root growth under moderately elevated temperatures.Annals of botany · 2025Review
- A Comprehensive Review of Phenolic Compounds in Horticultural Plants.International journal of molecular sciences · 2025Review
- Phenotypic and transcriptomic analysis reveals key genes associated with plant height in rubber tree and functional characterization of the candidate gene HbFLA11.The plant genome · 2025Article
- Auxin and tryptophan trigger common responses in the streptophyte alga Penium margaritaceum.Current biology : CB · 2025Article
- The transcription factor NF-YA10 determines the area explored by Arabidopsis thaliana roots and directly regulates LAZY genes.The Plant journal : for cell and molecular biology · 2025Article
- Integrative regulation of middle cortex formation: from classic modules to emerging pathways.Frontiers in plant science · 2025Review
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- Efficient plant regeneration through direct shoot organogenesis and two-step rooting inFrontiers in plant science · 2024Article
- Exogenous auxin regulates the growth and development of peach fruit at the expansion stage by mediating multiple-hormone signaling.BMC plant biology · 2023Article
- Action of Salicylic Acid on Plant Growth.Frontiers in plant science · 2022Review
- Division of cortical cells is regulated by auxin inFrontiers in plant science · 2022Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The root endodermis forms a selective barrier that prevents the free diffusion of solutes into the vasculature; to make this barrier, endodermal cells deposit hydrophobic compounds in their cell walls, forming the Casparian strip. Here, we showed that, in contrast to vascular and epidermal root cells, endodermal root cells do not divide alongside the root apical meristem in Arabidopsis thaliana. Auxin treatment induced division of endodermal cells in wild-type plants, but not in the auxin signaling mutant auxin resistant3-1. Endodermis-specific activation of auxin responses by expression of truncated AUXIN-RESPONSIVE FACTOR5 (ΔARF5) in root endodermal cells under the control of the ENDODERMIS7 promoter (EN7::ΔARF5) also induced endodermal cell division. We used an auxin transport inhibitor to cause accumulation of auxin in endodermal cells, which induced endodermal cell division. In addition, knockout of P-GLYCOPROTEIN1 (PGP1) and PGP19, which mediate centripetal auxin flow, promoted the division of endodermal cells. Together, these findings reveal a tight link between the endodermal auxin response and endodermal cell division, suggesting that auxin is a key regulator controlling the division of root endodermal cells, and that PGP1 and PGP19 are involved in regulating endodermal cell division.
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