Synergic interactions between Trichoderma and the soil microbiomes improve plant iron availability and growth.

IF 7.8 1区生物学 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

npj Biofilms and Microbiomes Pub Date : 2025-04-08 DOI:10.1038/s41522-025-00684-z

Yadong Shao, Shaohua Gu, Haiying Peng, Lisheng Zhang, Sidong Li, Roeland L Berendsen, Tianjie Yang, Caixia Dong, Zhong Wei, Yangchun Xu, Qirong Shen

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引用次数: 0

Abstract

Iron bioavailability is often limited especially in calcareous soils. Trichoderma harzianum strongly improves plant iron uptake and growth in calcareous soils. However, little is known about the mechanisms by which T. harzianum mobilizes iron in calcareous soils. Here, the model strain T. harzianum NJAU4742 and a synthetic microbial community (SynCom) was used to show that the efficacy of T. harzianum in enhancing plant iron nutrition in calcareous soils depends on the soil microbiome. Enhanced iron-mobilization functions of the SynCom were observed in the presence of T. harzianum NJAU4742. Concurrently, T. harzianum NJAU4742 improved the iron-mobilization capacity of the SynCom by enriching strains that are able to do so. Finally, Chryseobacterium populi was identified as a key driver of iron mobilization, while their synergistic colonization further enhances this process. This study unveils a pivotal mechanism by which T. harzianum NJAU4742-mediated re-structuring of the soil microbiome and ameliorates plant iron nutrition.

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木霉与土壤微生物群之间的协同作用改善了植物铁的有效性和生长。

铁的生物利用度通常是有限的，特别是在钙质土壤中。哈茨木霉对钙质土壤中植物铁的吸收和生长有明显的促进作用。然而，人们对哈氏霉在钙质土壤中动员铁的机制知之甚少。本研究以模型菌株哈茨芽孢杆菌NJAU4742和合成微生物群落（SynCom）为研究对象，表明哈茨芽孢杆菌提高钙质土壤植物铁营养的效果取决于土壤微生物群。在哈氏T. harzianum NJAU4742的存在下，SynCom的铁动员功能增强。同时，T. harzianum NJAU4742通过富集能够动员铁的菌株来提高SynCom的铁动员能力。最后，大众黄杆菌被确定为铁动员的关键驱动因素，而它们的协同定殖进一步增强了这一过程。该研究揭示了T. harzianum njau4742介导的土壤微生物群重组和改善植物铁营养的关键机制。

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来源期刊

npj Biofilms and Microbiomes Immunology and Microbiology-Microbiology

CiteScore

12.10

自引率

3.30%

发文量

审稿时长

9 weeks

期刊介绍： npj Biofilms and Microbiomes is a comprehensive platform that promotes research on biofilms and microbiomes across various scientific disciplines. The journal facilitates cross-disciplinary discussions to enhance our understanding of the biology, ecology, and communal functions of biofilms, populations, and communities. It also focuses on applications in the medical, environmental, and engineering domains. The scope of the journal encompasses all aspects of the field, ranging from cell-cell communication and single cell interactions to the microbiomes of humans, animals, plants, and natural and built environments. The journal also welcomes research on the virome, phageome, mycome, and fungome. It publishes both applied science and theoretical work. As an open access and interdisciplinary journal, its primary goal is to publish significant scientific advancements in microbial biofilms and microbiomes. The journal enables discussions that span multiple disciplines and contributes to our understanding of the social behavior of microbial biofilm populations and communities, and their impact on life, human health, and the environment.