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Microbial Communities in the Native Habitats of Agaricus sinodeliciosus from Xinjiang Province Revealed by Amplicon Sequencing

Summary

This research studied the soil environment where an edible mushroom called Agaricus sinodeliciosus naturally grows in China. The scientists analyzed the different types of bacteria and fungi living in the soil to understand what helps these mushrooms grow better. This knowledge could help improve mushroom farming methods. Impacts on everyday life: • Could lead to better cultivation methods for edible mushrooms, making them more available and affordable • Helps preserve natural mushroom habitats by developing sustainable farming practices • Provides insights that could benefit local farmers’ income through improved mushroom yields • Contributes to understanding how beneficial microorganisms can be used in agriculture • May lead to more efficient food production methods

Background

Agaricus sinodeliciosus is an edible mushroom species from China that has been successfully cultivated. It grows underground in high salinity and pH conditions in Xinjiang Province, producing large edible fruiting bodies that command high market prices. While it can be cultivated in laboratory conditions, yields are low and harvesting time is long. Understanding the microbial communities and environmental factors in its native habitat could help improve cultivation methods.

Objective

To investigate the physiochemical characteristics and microbial communities in soil samples from the native habitats of A. sinodeliciosus specimens to better understand abiotic and biotic factors affecting its growth and to identify potential mushroom growth promoting microbes (MGPM) that could improve cultivation.

Results

Major differences in texture and morphology were found among specimens, with southern Xinjiang specimens being the largest. DOC and TN concentrations were not the main factors causing these differences. Bacterial communities showed 28 identified phyla with Proteobacteria, Firmicutes and Actinobacteria being highly enriched. Fungal communities showed 4 identified phyla with Ascomycota being dominant. Several functional microbes were identified that may act as MGPM or have symbiotic relationships with A. sinodeliciosus. High DOC/NH4+-N ratio and NH4+-N concentration were found to potentially improve mushroom yield.

Conclusion

The study revealed complex interactions between soil microbes and A. sinodeliciosus that likely influence mushroom morphology and growth. Specific functional microbes were identified that could potentially serve as MGPM to improve cultivation. The findings suggest that managing DOC/NH4+-N ratios and NH4+-N concentrations may help optimize growing conditions.
  • Published in:Scientific Reports,
  • Study Type:Observational Study,
  • Source: 10.1038/s41598-017-16082-1
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