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Structure and assembly of fungal communities in the phyllosphere and endosphere of healthy and diseased faba bean plants

文献类型： 外文期刊

作者： Li, Juan 1 ; Hou, Lu 1 ; Liu, Yujiao 1 ;

作者机构： 1.Qinghai Univ, Qinghai Acad Agr & Forestry Sci, Xining 810016, Peoples R China

2.Key Lab Agr Integrated Pest Management, Xining 810016, Peoples R China

3.Qinghai Univ, Key Lab Qinghai Tibetan Plateau Biotechnol, Minist Educ, Xining 810016, Peoples R China

关键词： Faba bean; Fungal community; Phyllosphere and endosphere; Healthy and diseased; Structure; Assembly

期刊名称：PLANT AND SOIL （ 影响因子：4.1； 五年影响因子：4.7 ）

ISSN： 0032-079X

年卷期： 2025 年

页码：

收录情况： SCI

摘要： AimsLeaf-associated microorganisms are intimately related to plant diseases. The majority of faba bean leaf diseases are induced by fungal communities. Nevertheless, limited studies have been presented on the structure and assembly of the fungal communities in faba bean plants.MethodsThis study investigated the structure and assembly of the fungal communities in the phyllosphere and endosphere of healthy and diseased five germplasm resource faba bean plants with ITS amplicons using the Illumina high-throughput sequencing platform.ResultsThe fungal community in both phyllosphere and endosphere samples, as well as healthy and diseased, displayed significant distinctions. Additionally, substantial variations were identified in the fungal communities of different germplasm resources and the degrees of illness of phyllosphere and endosphere samples. Distinct differences were also found in the species richness of phyllosphere and endosphere samples among different illness degrees. The Mortierellomycota was the predominant phylum in the healthy samples. The dominated genus of diseased samples were Vishniacozyma and Cystofilobasidium. The Apiotrichum was significantly enriched in healthy endosphere samples. The network structure of the healthy phyllosphere samples was more sophisticated and stable, with the genus Ganoderma being the core fungal taxa within the healthy phyllosphere samples. The deterministic processes dominated the assembly of healthy samples fungal communities, whereas stochastic processes mainly influenced the assembly of fungal communities in the diseased phyllosphere samples.ConclusionsOverall, this research contributes to understand the correlation between leaf microbiota and hosts, and provides theoretical support for the healthy plant growth and disease prevention of faba beans.

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