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禾中的针:培养有益于植物的地动物植物根源的血统

Pauline Bruyant¹, Jeanne Doré¹, Laurent Vallon¹

¹Laboratoire d'Ecologie Microbienne LEM, CNRS UMR5557, INRAE UMR1418, Université Claude Bernard Lyon 1, CNRS, INRAE, VetAgro Sup, Villeurbanne, France.

Environmental microbiology

|April 14, 2025

概括

阿尔卑斯山的非菌根植物在它们的根源中承载着有益的Helotiales真菌. 培养的分离物显示出促进植物生长的潜力,为研究这些真菌提供了资源.

科学领域:

植物与微生物的相互作用
菌类生态学菌类生态学
阿尔卑斯山的植物学

背景情况:

与根相关的Helotiales真菌对植物有益,特别是非菌根宿主.
这些有益的真菌的生态和种植仍然不太了解.

研究的目的:

从高山非菌根植物中分离和识别植物有益的Helotiales真菌.
评估根内植物性真菌的培养能力和多样性.
为了比较基于培养的隔离与真菌的metabarcoding.

主要方法:

从阿尔卑斯山土壤中抽取六种野生非菌根植物物种的样本.
使用定制的基于培养的方法对根内菌进行大规模隔离.
用于社区分析的真菌ITS2元编码.
孤立的Helotiales菌株的遗传学分析.

主要成果:

分离了602个根内植物,其中53%被确定为Helotiales.
超编码证实了Helotiales在根真菌群落中的统治地位 (检测到的种群中有43%).
孤立的Helotiales属于三种类型,与促进植物生长的菌株有关,其中一些显示P溶解.

结论:

阿尔卑斯山的非菌根植物根有各种各样的植物有益的Helotiales真菌.
获得的分离物是探索真菌植物有益机制和生态作用的宝贵资源.
基于培养的方法可以有效地从植物根中恢复关键的真菌系.

关键词:

这种植物是Brassicaceae.卡里奥菲尔拉塞亚是什么意思在Cyperaceae的植物中.黑罗类动物 (Helotiales) 是一个类型.菌的收集菌的收集非菌根植物的植物.根内植物是根内植物.

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