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Comparative metabolomics reveals that Agaricus bisporus fairy ring modulates the growth of alpine meadow plant on the Qinghai-Tibet Plateau

Author: S&T Department Update time: 07-28-2021 Printer Text Size: A A A

  The fairy ring is an ecological phenomenon that consists of a visible green ring composed of mushroom fruiting bodies and a green plant stimulating zone. Agaricus bisporus fairy ring stimulates the growth of alpine meadow plants on the Qinghai-Tibet Plateau, however, the underlying eco-physiological and molecular mechanisms still unclear. Here, using physiological and metabolomic analyses, we showed that A. bisporus fairy ring improves leaf growth of alpine meadow plant by modulating plant metabolism. A. bisporus fairy ring induces the accumulation of a set of amino acids in Kobresia humilis (one of the main plant species of alpine meadow), such as glutamine, asparagine, tryptophan and proline, etc., and thereby modulating nitrogen metabolism, plant growth and stress responses. A. bisporus fairy ring also affects sugar accumulation and carbon metabolism pathways in K. humilis plants. Furthermore, A. bisporus fairy ring alters the metabolite accumulation in soil. Increased accumulation of several organic acids and lipids in soil is beneficial to promote nutrient element uptake in plants and regulate microorganisms growth and propagation in soil. Taken together, our results indicated A. bisporus fairy ring affects alpine meadow plant growth by modulating carbon/nitrogen metabolism, stress responses, nutrient uptake and interaction between soil microorganisms and alpine meadow plants.


  Fig. 4. A. bisporus fairy rings affect the growth of K. humilis by modulating the metabolic profile in plants. Schematic overview summarizes the main findings deduced from physiological and metabolomic analyses. Red and blue arrows represent the elevated or declined biomasses or metabolites. SCM, significantly changed  metabolites; FW, fresh weight; DW, dry weight. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)

  This result was published in Frontiers in Ecological Indicators with the title of “Comparative metabolomics reveals that Agaricus bisporus fairy ring modulates the growth of alpine meadow plant on the Qinghai-Tibet Plateau”.

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