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植物幼苗顶端弯钩的打开：揭示生长素和细胞壁的作用

Apical hook opening of plant seedlings: Unfolding the role of auxin and the cell wall.

作者信息

Willoughby Andrew C, Strader Lucia C

机构信息

Department of Biology, Duke University, Durham, NC 27708, USA.

Department of Biology, Duke University, Durham, NC 27708, USA; Duke Center for Quantitative BioDesign, Durham, NC 27708, USA.

出版信息

Dev Cell. 2024 Dec 16;59(24):3194-3196. doi: 10.1016/j.devcel.2024.11.018.

DOI:10.1016/j.devcel.2024.11.018
PMID:39689682
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12114101/
Abstract

Apical hook opening is crucial for seedling establishment and is regulated by unequal distribution of the hormone auxin through unknown mechanisms. In this issue of Developmental Cell, Walia et al. demonstrate that apical hook opening is an output of tissue-wide forces; auxin and cell wall integrity (CWI) signaling interact to restrict elongation to the concave side of the apical hook.

摘要

顶端弯钩打开对于幼苗建立至关重要，并且通过未知机制受激素生长素的不均匀分布调控。在本期《发育细胞》中，瓦利亚等人证明顶端弯钩打开是全组织力的一种输出；生长素和细胞壁完整性（CWI）信号相互作用，将伸长限制在顶端弯钩的凹侧。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/752f/12114101/feef62e66298/nihms-2083803-f0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/752f/12114101/feef62e66298/nihms-2083803-f0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/752f/12114101/feef62e66298/nihms-2083803-f0001.jpg

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本文引用的文献

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Dev Cell. 2024 Dec 16;59(24):3245-3258.e3. doi: 10.1016/j.devcel.2024.09.021. Epub 2024 Oct 7.
2
Auxin as an architect of the pectin matrix.生长素作为果胶基质的建筑师。
J Exp Bot. 2023 Dec 1;74(22):6933-6949. doi: 10.1093/jxb/erad174.
3
Growth or stress responses: TMK-FER balancing act.生长或应激反应：TMK-FER平衡行为。
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Mechano-transduction via the pectin-FERONIA complex activates ROP6 GTPase signaling in Arabidopsis pavement cell morphogenesis.果胶-FERONIA 复合物通过机械转导激活拟南芥 pavement 细胞形态发生中的 ROP6 GTP 酶信号转导。
Curr Biol. 2022 Feb 7;32(3):508-517.e3. doi: 10.1016/j.cub.2021.11.031. Epub 2021 Dec 6.
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Arabidopsis pavement cell morphogenesis requires FERONIA binding to pectin for activation of ROP GTPase signaling.拟南芥表皮细胞形态发生需要 FERONIA 结合果胶以激活 ROP GTPase 信号。
Curr Biol. 2022 Feb 7;32(3):497-507.e4. doi: 10.1016/j.cub.2021.11.030. Epub 2021 Dec 6.
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Mechanochemical feedback mediates tissue bending required for seedling emergence.机械化学反馈介导了幼苗出土所需的组织弯曲。
Curr Biol. 2021 Mar 22;31(6):1154-1164.e3. doi: 10.1016/j.cub.2020.12.016. Epub 2021 Jan 7.
7
SAUR17 and SAUR50 Differentially Regulate PP2C-D1 during Apical Hook Development and Cotyledon Opening in Arabidopsis.SAUR17 和 SAUR50 在拟南芥顶端弯钩发育和子叶张开过程中差异调控 PP2C-D1。
Plant Cell. 2020 Dec;32(12):3792-3811. doi: 10.1105/tpc.20.00283. Epub 2020 Oct 22.
8
Why plants make puzzle cells, and how their shape emerges.植物为什么会形成谜一般的细胞，以及它们的形状是如何出现的。
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Light triggers PILS-dependent reduction in nuclear auxin signalling for growth transition.光触发 PILS 依赖性核生长素信号转导减少，从而引发生长转变。
Nat Plants. 2017 Jul 17;3:17105. doi: 10.1038/nplants.2017.105.
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Cell surface ABP1-TMK auxin-sensing complex activates ROP GTPase signaling.细胞膜表面 ABP1-TMK 生长素感应复合物激活 ROP GTP 酶信号转导。
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