Conditions Affecting Growth and Indigotin Production by Strain 130 of Schizophyllum Commune

cultures of the basidiomycete Schizophyllum commune Fries was first observed by Papazian (4) in association with a mutant character termed streak. Although pigment production in the fungi is a fairly common occurrence and such phenomena are frequently of taxonomic importance, the production of a blue pigment is relatively rare. In S. commune the mutation from the normal, nonpigmented condition to forms producing