Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Truffle Species Strongly Shapes Its Surrounding Soil Mycobiota in A Pinus armandii Forest

Version 1 : Received: 11 September 2020 / Approved: 12 September 2020 / Online: 12 September 2020 (08:04:07 CEST)

How to cite: Liu, D.; Herrera, M.; He, X.; Perez-Moreno, J.; Yu, F. Truffle Species Strongly Shapes Its Surrounding Soil Mycobiota in A Pinus armandii Forest. Preprints 2020, 2020090266 (doi: 10.20944/preprints202009.0266.v1). Liu, D.; Herrera, M.; He, X.; Perez-Moreno, J.; Yu, F. Truffle Species Strongly Shapes Its Surrounding Soil Mycobiota in A Pinus armandii Forest. Preprints 2020, 2020090266 (doi: 10.20944/preprints202009.0266.v1).

Abstract

Truffles contribute to crucial dynamics in the soil systems, being involved in plentiful ecological functions important for ecosystems. Despite this, the interactions between truffles and surrounding mycobiota remain unknown. Here, we aimed to shed light on how much truffle species could affect its surrounding soil mycobiota. Using traditional chemical analysis and Illumina ITS amplicon sequencing, we compared soil nutrients and mycobiota surrounding two truffle species: Tuber indicum (Ti) and T. pseudohimalayense (Tp) inhabit in the same Pinus armandii forest in southwestern China. Tp soil was more acidic and had higher nutrients (total C, N, P contents) than Ti soil. Fungal richness and diversity of truffle ascomata and surrounding soils were significantly higher in Tp than in Ti. Redundancy analysis showed relationships between soil fungal taxa and soil properties had changed from negative (Tp) to positive (Ti) and shifted from a moisture-driving (Tp) to a total N-driving (Ti). Overall, our results showed that the interactions between truffle and soil system had been altered with species variation, although the causative peculiarity of these associations needs to be further studied.

Subject Areas

hypogenous ectomycorrhizal fungi; truffles; soil nutrient; fungal community

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