镰刀菌根的生长响应受寄主植物系统发育的影响。

IF 3.8 2区 生物学 Q2 MYCOLOGY
Alice S Neves, Laura G van Galen, Martin Vohník, Martina Peter, Elena Martino, Thomas W Crowther, Camille S Delavaux
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引用次数: 0

摘要

Ericoid mycorrhizal (ErM) fungi (ErMF)通过增强其对恶劣条件的耐受性和改善养分吸收,对在石楠荒原和湿地建立数千种ericaceous species至关重要。然而,ErM研究主要集中在有限数量的寄主物种和四种ErMF物种(特别是肝透明丝菌和大叶蛾),以及较小程度的双色H。芬兰和变异嗜血杆菌)。因此,其他菊科植物与ErMF形成功能关联的程度及其对植物生长的相应益处尚不清楚。因此,我们对真菌伴侣的变化如何影响植物适应性缺乏清楚的了解。为了解决这一差距,我们对九种白垩系植物和八种ErMF分离物进行了温室实验,以扩大ErM共生对寄主植物生长影响的基础知识。通过分析ErM的根定殖和寄主植物的生长响应,我们发现菌根生长响应(MGR)是可变的,并且依赖于植物和真菌的特性。此外,接种对植株生长的总体影响与定殖水平无关。最后,我们发现了MGR受植物系统发育影响的证据。这些结果扩大了我们对ErM共生关系的基本认识,并为未来的恢复和保护工作提供了有价值的信息。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Ericoid mycorrhizal growth response is influenced by host plant phylogeny.

Ericoid mycorrhizal growth response is influenced by host plant phylogeny.

Ericoid mycorrhizal growth response is influenced by host plant phylogeny.

Ericoid mycorrhizal growth response is influenced by host plant phylogeny.

Ericoid mycorrhizal (ErM) fungi (ErMF) are crucial for the establishment of thousands of ericaceous species in heathlands and wetlands by increasing their tolerance to harsh conditions and improving nutrient uptake. However, ErM research has largely focused on a limited number of host species and four ErMF species (especially Hyaloscypha hepaticicola and Oidiodendron maius, to a lesser extent H. bicolor/H. finlandica and H. variabilis). Therefore, the degree to which other ericaceous plants and ErMF form functional associations, and corresponding benefits for plant growth, are not well understood. As such, we lack a clear understanding of how changes in fungal partners may influence plant fitness. To address this gap, we conducted a greenhouse experiment with nine ericaceous plant species and eight ErMF isolates to expand baseline knowledge regarding the effects of the ErM symbiosis on host plant growth. By analyzing ErM root colonization and host plant growth response, we observed that the mycorrhizal growth response (MGR) was variable and depended on plant and fungal identity. Moreover, overall inoculation effects on plant growth were independent from colonization levels. Finally, we found evidence that MGR was influenced by plant phylogeny. These results expand our basic understanding of the ErM symbiosis and provide valuable information for future restoration and conservation efforts.

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来源期刊
Mycorrhiza
Mycorrhiza 生物-真菌学
CiteScore
8.20
自引率
2.60%
发文量
40
审稿时长
6-12 weeks
期刊介绍: Mycorrhiza is an international journal devoted to research into mycorrhizas - the widest symbioses in nature, involving plants and a range of soil fungi world-wide. The scope of Mycorrhiza covers all aspects of research into mycorrhizas, including molecular biology of the plants and fungi, fungal systematics, development and structure of mycorrhizas, and effects on plant physiology, productivity, reproduction and disease resistance. The scope also includes interactions between mycorrhizal fungi and other soil organisms and effects of mycorrhizas on plant biodiversity and ecosystem structure. Mycorrhiza contains original papers, short notes and review articles, along with commentaries and news items. It forms a platform for new concepts and discussions, and is a basis for a truly international forum of mycorrhizologists from all over the world.
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