Perspective and challenges of mycorrhizal symbiosis in orchid medicinal plants

IF 4.7 4区医学 Q1 CHEMISTRY, MEDICINAL Chinese Herbal Medicines Pub Date : 2024-04-01 DOI:10.1016/j.chmed.2024.03.001

Chunyan Leng, Mengyan Hou, Yongmei Xing, Juan Chen

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Abstract

The family Orchidaceae is of the most diverse taxon in the plant kingdom, and most of its members are highly valuable herbal medicines. Orchids have a unique mycorrhizal symbiotic relationship with specific fungi for carbohydrate and nutrient supplies in their whole lifecycle. The large-scale cultivation of the medicinal plant Gastodia elata is a successful example of using mycorrhizal symbiotic technology. In this review, we adopted G. elata and Dendrobium officinale as examples to describe the characteristics of orchid mycorrhiza and mycorrhizal benefits for host plants’ growth and health (e.g. biotic and abiotic stress and secondary metabolite accumulation). The challenges in applying mycorrhizal technology to the cultivation of orchid medicinal plants in the future were also discussed. This review aims to serve as a theoretical guide for the cultivation of mycorrhizal technology in medicinal orchid plants.

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兰科药用植物菌根共生的前景与挑战

兰科是植物王国中种类最繁多的类群，其大多数成员都是非常珍贵的中药材。兰花在其整个生命周期中与特定真菌建立了独特的菌根共生关系，以获得碳水化合物和养分供应。药用植物 Gastodia elata 的大规模种植是利用菌根共生技术的一个成功范例。在这篇综述中，我们以 G. elata 和 Dendrobium officinale 为例，阐述了兰科植物菌根的特点以及菌根对寄主植物生长和健康的益处（如生物和非生物胁迫以及次生代谢物的积累）。此外，还讨论了未来将菌根技术应用于兰科药用植物栽培所面临的挑战。本综述旨在为兰科药用植物菌根技术的栽培提供理论指导。

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