Mico-Community associated with ectomycorrhizal Russula symbiosis and sporocarp-producing Russula in Fagaceae dominant nature areas in southern China

BioRxiv : the Preprint Server for Biology
W. YuJ. Bao


To investigate the mico-community of Russula symbiosis with Fagaceae and with sporocarp-producing Russula in natural Russula reserve areas of southern China, the microbiota in the root and mycorrhizal rhizosphere were identified by Illumina MiSeq high-throughput sequencing. First, we compared three types of fungal communities: root tips infected with ectomycorrhizal ( ECM ) Russula (type 1), tips with Russula sporocarp (type 2) and tips without ECM (type 3). The fungal richness was negatively correlated with Russula. Russula, Tomentella and Lactarius were common in Fagaceae ECM roots. As to the mycorrhizal interactions, Boletus may be considered indicator species for sporocarp-producing Russula, and Acremonium , Cladophialophora were associated with Russula symbiosis. Second, we analyzed the fungal and bacterial communities in rhizosphere soils from the corresponding to previously three types (type 1, 2, 3). Dacryobolus and Acidocella may be considered indicator species for sporocarp-producing Russula. The contemporary, three fungi Tomentella, Elaphomyces and four bacteria Acidicaldus, Bryobacter, Sorangium and Acidobacterium occurred more frequently in the ECM Russula rhizosphere. Furthermore, the indicators Elaphomyces, Tomen...Continue Reading

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