Phyllotaxis from a Single Apical Cell

Veron Elsa; Vernoux Teva; Coudert Yoan

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Phyllotaxis from a Single Apical Cell

机译：来自单个顶端电池的Phyllotaxis

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Phyllotaxis, the geometry of leaf arrangement around stems, determines plant architecture. Molecular interactions coordinating the formation of phyllotactic patterns have mainly been studied in multicellular shoot apical meristems of flowering plants. Phyllotaxis evolved independently in the major land plant lineages. In mosses, it arises from a single apical cell, raising the question of how asymmetric divisions of a single-celled meristemcreate phyllotactic patterns and whether associated genetic processes are shared across lineages. Wepresent an overview of the mechanisms governing shoot apical cell specification and activity in the model moss, Physcomitrium patens, and argue that similar molecular regulatory modules have been deployed repeatedly across evolution to operate at different scales and drive apical function in convergent shoot forms.

机译：叶序，即茎周围叶片排列的几何形状，决定了植物的结构。协调叶序模式形成的分子相互作用主要在开花植物的多细胞茎顶端分生组织中进行研究。叶序在主要陆地植物谱系中独立演化。在苔藓中，它起源于单个顶端细胞，这就提出了一个问题：单细胞分生组织的不对称分裂如何形成叶序模式，以及相关的遗传过程是否在谱系间共享。我们概述了在模式苔藓、Physcomitrium patens中控制茎尖细胞规格和活性的机制，并认为类似的分子调控模块已在进化过程中反复部署，以不同的规模运作，并以聚合的茎形式驱动顶端功能。

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来源
《Trends in Plant Science》 |2021年第2期|共8页
作者
Veron Elsa; Vernoux Teva; Coudert Yoan;
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作者单位

Univ Lyon Lab Reprod &

Dev Plantes INRIA INRA CNRS ENS Lyon UCB Lyon 1 F-69007 Lyon France;

Univ Lyon Lab Reprod &

Dev Plantes INRIA INRA CNRS ENS Lyon UCB Lyon 1 F-69007 Lyon France;

Univ Lyon Lab Reprod &

Dev Plantes INRIA INRA CNRS ENS Lyon UCB Lyon 1 F-69007 Lyon France;

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正文语种 eng
中图分类植物学;
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3. Differentiation of stem cells from apical papilla into neural lineage using graphene dispersion and single walled carbon nanotubes [J] . Simonovic Jelena, Toljic Bosko, Nikolic Nadja, Journal of biomedical materials research, Part A . 2018,第10期

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9. Phyllotaxis from a Single Apical Cell [O] . Elsa Véron, Teva Vernoux, Yoan Coudert 2021

机译：来自单个顶端电池的Phyllotaxis
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Phyllotaxis from a Single Apical Cell

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