College of Biology and Food, Shangqiu Normal University, Shangqiu, Henan 476000, China.
UWA School of Agriculture and Environment, and UWA Institute of Agriculture, The University of Western Australia, Perth 6009, Australia.
Microbiol Res. 2024 Dec;289:127919. doi: 10.1016/j.micres.2024.127919. Epub 2024 Sep 24.
Arbuscular mycorrhizal (AM) fungi play a crucial role in protecting host plants from pathogens. AM fungal taxa show varying abilities to hinder the development of plant pathogens with various underlying mechanisms of action, and plant defense through mycorrhization should be viewed to have a continuum of several possible mechanisms. However, an additive or synergistic effect is not always achieved. This review examines the potential mechanisms by which AM fungi enhance plant tolerance and defense against pathogens, as well as the possible interactive mechanisms among AM fungal traits that may lead to facilitative and antagonistic effect on plant defense outcomes. It also provides evidence demonstrating the benefits of AM fungal consortia used so far to protect crop plants from various pathogens. It concludes by proposing some biotechnological applications aimed at unraveling the connections between AM fungal diversity and their function to enhance efficacy of plant pathogen protection.
丛枝菌根（AM）真菌在保护宿主植物免受病原体侵害方面发挥着关键作用。AM 真菌类群表现出不同的能力来阻碍植物病原体的发展，其作用机制也各不相同，而通过菌根化实现的植物防御应该被视为具有几种可能机制的连续体。然而，并不总是能达到附加或协同效应。本综述探讨了 AM 真菌增强植物对病原体的耐受性和防御能力的潜在机制，以及 AM 真菌特征之间可能存在的相互作用机制，这些机制可能对植物防御结果产生促进和拮抗作用。它还提供了迄今为止证明 AM 真菌联合体用于保护作物植物免受各种病原体侵害的益处的证据。最后提出了一些生物技术应用的建议，旨在揭示 AM 真菌多样性与其功能之间的联系，以提高植物病原体保护的效果。
