Water-soluble polysaccharides excreted by mycelium of higher fungi: relationship with taxonomy and physiology
Chaumeton, J.P. | Chauveau, C. | Chavant, L.
Production of water-soluble polysaccharides from mycelium was determined in 347 species of higher fungi belonging to a variety of taxonomic groups. All strains were grown under identical conditions. The presence or absence of polysaccharides was related to habitat and taxonomic position of the various strains and species. In the Basidiomycetes, production of polysaccharides appeared to be a feature of the lignicolous species, whereas the soil-saprophytes and mycorrhizal taxa generally do not produce polysaccharides. This trait could be of taxonomic value in some groups, especially Polyporus and Collybia and for the Sarcoscyphaceae in the Discomycetes. In other cases (Stereaceae, Strophariaceae, Amanitaceae for example) this trait may also have some taxonomic value. Further studies on a larger number of species will be needed to confirm or improve these first results.
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