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An update on nutrient transport processes in ectomycorrhizas

机译：外生菌根中营养物质转运过程的最新进展

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摘要

Nutrient transport, namely absorption from the soil solution as well as nutrient transfer from fungus to plant and carbon movement from plant to fungus are key features of mycorrhizal symbiosis. This review summarizes our current understanding of nutrient transport processes in ectomycorrhizal fungi and ectomycorrhizas. The identification of nutrient uptake mechanisms is a key issue in understanding nutrition of ectomycorrhizal plants. With the ongoing functional analysis of nutrient transporters, identified during sequencing of fungal and tree genomes, a picture of individual transport systems should be soon available, with their molecular functions assessed by functional characterization in, e.g., yeast mutant strains or Xenopus oocytes. Beyond the molecular function, systematic searches for knockout mutants will allow us to obtain a full understanding of the role of the individual transporter genes in the physiology of the symbionts. The mechanisms by which fungal and plant cells obtain, process and integrate information regarding nutrient levels in the external environment and the plant demand will be analyzed.
机译：营养性运输，即从土壤溶液中吸收以及营养从真菌到植物的转移以及碳从植物到真菌的迁移，是菌根共生的关键特征。这篇综述总结了我们目前对外生菌根真菌和外生菌根中营养物质转运过程的理解。营养吸收机制的确定是理解外生菌根植物营养的关键问题。随着对真菌和树木基因组测序过程中确定的营养转运蛋白的功能分析的进行，应该很快就可以获得单个转运系统的图片，并通过例如酵母突变菌株或非洲爪蟾卵母细胞中的功能表征来评估其分子功能。除分子功能外，系统性地寻找敲除突变体将使我们能够全面了解各个转运蛋白基因在共生体生理中的作用。将分析真菌和植物细胞获取，处理和整合有关外部环境中营养水平和植物需求的信息的机制。

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