类似受体的酶ARK控制着陆地植物之间的共生平衡
Mara Sgroi1, David Hoey2, Karina Medina Jimenez3
1Crop Science Centre, Department of Plant Sciences, University of Cambridge, Cambridge CB3 0LE, United Kingdom.
概括
树状菌根 (AM) 共生依赖于保存的基因,包括树状受体类似基因酶 (ARK),用于陆地植物的维护. 这项研究证实了ARK的存在.
科学领域:
- 植物生物学 植物生物学
- 同生相互作用的交互.
- 进化遗传学 进化遗传学
背景情况:
- 树枝状菌根 (AM) 共生是一种古老的相互关联,对陆地植物的生存至关重要.
- 在开花植物中,AM共生的分子机制得到了很好的研究,但在其他谱系中不太了解.
- 已知 ARBUSCULAR受体类KINASE (ARK) 在血管精子中对AM共生至关重要.
研究的目的:
- 为了研究ARK在AM共生维护中的作用,在植物Marchantia paleacea.
- 识别保护的分子组件和基因程序,在陆地植物之间形成AM共生.
- 探索共生路径的进化保护.
主要方法:
- 在植物 (Marchantia paleacea) 中对ARK的功能分析.
- 对共生基因表达的比较转录组分析.
- 研究共生前信号传递,细胞内殖民和营养物质交换通路.
主要成果:
- 在植物*Marchantia paleacea*中,ARK在维持AM共生中起着保留的作用,类似于其在血管苗中的功能.
- 对比转录组学揭示了陆地植物核心共生路径中保存的基因表达模式.
- 确定了用于亲生生物信号传递,细胞内殖民和营养物质交换的保存遗传程序.
结论:
- 这项研究表明,ARK在管理陆地植物的共生平衡方面发挥着祖先的作用.
- 突出了基因程序的保存性质,这支着跨多种植物系的AM共生.
- 提供了关于植物微生物互惠的分子演变的见解.
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