Pathways that limit leaflet formation in Cardamine hirsuta.

限制碎米荠中小叶形成的途径。

基本信息

项目摘要

A key challenge in biology is to understand how different organisms come to have different forms. In plants this variation in form is obvious in the many different leaf shapes one sees during a walk in the park or when eating a salad. Leaves are also interesting to study because they play a key role in the food chain being the main photosynthetic organs of land plants and thus responsible for CO2 fixation in terrestrial ecosystems. For these reasons, understanding how diversity in leaf form is generated is of considerable interest to scientists. To study this problem we work with hairy bittercress (Cardamine hirsuta), which is a plant that has leaves fully subdivided into smaller leaflets. The presence of leaflets makes this plant very different from its close relative thale cress (Arabidopsis thaliana), which has entire, undivided leaves. We already know a lot about how an entire leaf shape is produced in thale cress because it is easy to grow and do experiments with. Hairy bittercress is also very easy to work with in the lab, so we use it to understand how leaflets are produced and what controls their formation. Here we want to understand processes that restrict leaflet growth during bitter cress development to result in the correct leaflet number and position that characterizes this plant. Our results will also help understand the developmental mechanisms that direct repeated processes, such as leaflet formation, to take place a limited number of times such that the precise form typical of any given species is attained.
生物学中的一个关键挑战是了解不同的生物体如何具有不同的形式。在植物中,在公园散步或吃沙拉时看到的许多不同的叶子形状中,这种形式的变化是显而易见的。叶也是值得研究的,因为它们在食物链中起着关键作用,是陆地植物的主要光合器官,因此负责陆地生态系统中的CO2固定。由于这些原因,了解叶的多样性是如何产生的是科学家相当感兴趣的。为了研究这个问题,我们研究了多毛碎米荠(Cardamine hirsuta),这是一种叶子完全细分为较小小叶的植物。小叶的存在使这种植物与其近亲塔勒水芹(拟南芥)非常不同,后者有完整的不裂叶。我们已经知道了很多关于塔勒水芹是如何产生整个叶子形状的知识,因为它很容易种植和做实验。毛茛也很容易在实验室中使用,所以我们用它来了解小叶是如何产生的,以及是什么控制了它们的形成。在这里,我们想了解的过程中,限制小叶生长在苦水芹发展,导致正确的小叶数量和位置的特点,这种植物。我们的研究结果也将有助于理解指导重复过程的发育机制,例如小叶形成,发生有限的次数,从而获得任何给定物种的典型精确形式。

项目成果

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Miltos Tsiantis其他文献

A transposon in tb1 drove maize domestication
tb1 中的一个转座子推动了玉米的驯化
  • DOI:
    10.1038/ng.986
  • 发表时间:
    2011-10-27
  • 期刊:
  • 影响因子:
    29.000
  • 作者:
    Miltos Tsiantis
  • 通讯作者:
    Miltos Tsiantis
01-P015 Dissected leaf development in <em>Cardamine hirsuta</em>
  • DOI:
    10.1016/j.mod.2009.06.016
  • 发表时间:
    2009-08-01
  • 期刊:
  • 影响因子:
  • 作者:
    Huw Jenkins;Alexander Tattersall;Michalis Barkoulas;Evagelia Kougioumoutzi;Angela Hay;Miltos Tsiantis
  • 通讯作者:
    Miltos Tsiantis
Cytokinin promotes growth cessation in the emArabidopsis/em root
细胞分裂素促进拟南芥根中的生长停止
  • DOI:
    10.1016/j.cub.2022.03.019
  • 发表时间:
    2022-05-09
  • 期刊:
  • 影响因子:
    7.500
  • 作者:
    Shanda Liu;Sören Strauss;Milad Adibi;Gabriella Mosca;Saiko Yoshida;Raffaele Dello Ioio;Adam Runions;Tonni Grube Andersen;Guido Grossmann;Peter Huijser;Richard S. Smith;Miltos Tsiantis
  • 通讯作者:
    Miltos Tsiantis
The cellular basis for synergy between <em>RCO</em> and <em>KNOX1</em> homeobox genes in leaf shape diversity
  • DOI:
    10.1016/j.cub.2022.08.020
  • 发表时间:
    2022-09-12
  • 期刊:
  • 影响因子:
  • 作者:
    Yi Wang;Sören Strauss;Shanda Liu;Bjorn Pieper;Rena Lymbouridou;Adam Runions;Miltos Tsiantis
  • 通讯作者:
    Miltos Tsiantis
Interspersed expression of emCUP-SHAPED COTYLEDON2/em and emREDUCED COMPLEXITY/em shapes emCardamine hirsuta/em complex leaf form
心形子叶 2 和简化的表达相互穿插形成碎米荠复杂叶形
  • DOI:
    10.1016/j.cub.2023.06.037
  • 发表时间:
    2023-07-24
  • 期刊:
  • 影响因子:
    7.500
  • 作者:
    Neha Bhatia;David Wilson-Sánchez;Sören Strauss;Francesco Vuolo;Bjorn Pieper;Ziliang Hu;Léa Rambaud-Lavigne;Miltos Tsiantis
  • 通讯作者:
    Miltos Tsiantis

Miltos Tsiantis的其他文献

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{{ truncateString('Miltos Tsiantis', 18)}}的其他基金

A novel genome-wide approach to understand the genetic basis for morphological diversification of leaves
一种新的全基因组方法来了解叶子形态多样化的遗传基础
  • 批准号:
    BB/H011455/2
  • 财政年份:
    2013
  • 资助金额:
    $ 11.26万
  • 项目类别:
    Research Grant
Exploiting computational modelling to study comparative leaf development
利用计算模型研究比较叶片发育
  • 批准号:
    BB/G023905/1
  • 财政年份:
    2010
  • 资助金额:
    $ 11.26万
  • 项目类别:
    Fellowship
A novel genome-wide approach to understand the genetic basis for morphological diversification of leaves
一种新的全基因组方法来了解叶子形态多样化的遗传基础
  • 批准号:
    BB/H011455/1
  • 财政年份:
    2010
  • 资助金额:
    $ 11.26万
  • 项目类别:
    Research Grant
Pathways that limit leaflet formation in Cardamine hirsuta.
限制碎米荠中小叶形成的途径。
  • 批准号:
    BB/H006974/1
  • 财政年份:
    2010
  • 资助金额:
    $ 11.26万
  • 项目类别:
    Research Grant
Exploiting the Arabidopsis thaliana relative Cardamine hirsuta for understanding dissected leaf development
利用拟南芥近缘种碎米荠了解解剖叶发育
  • 批准号:
    BB/F012934/1
  • 财政年份:
    2008
  • 资助金额:
    $ 11.26万
  • 项目类别:
    Research Grant
Control of dissected leaf form in the Arabidopsis thaliana relative Cardamine hirsuta
拟南芥近缘碎米荠中解剖叶形态的控制
  • 批准号:
    BB/D010977/1
  • 财政年份:
    2006
  • 资助金额:
    $ 11.26万
  • 项目类别:
    Research Grant

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