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Mycologia. 2002 Mar-Apr;94(2):190-9.

A 13C-NMR study of exudation and storage of carbohydrates and amino acids in the ectomycorrhizal edible mushroom Cantharellus cibarius.

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  • 1Department of Forest Mycology and Pathology, Swedish University of Agricultural Sciences (SLU), Box 7026, SE-750 07 Uppsala, Sweden.


(13)C-NMR analyses of Cantharellus cibarius growth media were performed. We found exudation of trehalose and mannitol, which may explain the phenomenon of reproducing Pseudomonas bacteria observed inside fruit bodies. Exudation varied with strain and environment. NMR analyses of stored (13)C was also performed. Trehalose, mannitol, and arginine were revealed. The mannitol pathway seems to play an important role for trehalose production in this species. This is the first study of the fate of the photosynthetically derived carbon in the highly appreciated edible ectomycorrhizal mushroom Cantharellus cibarius.

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