The influence of halide concentration on the metabolism of Penicillium sclerotiorum Van Beyma

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Abstract
Growth of P. sclerotiorum on medium containing various concs. of KCl showed that its elimination from the medium was regular after the initial period when the sugar metabolism was exceptionally rapid. Increased chloride conc. had not altered sclerotiorine production and only affected the Cl content of the other products of extraction. The pigment is probably a metabolic by-product rather than the fundamental end-product of the Cl metabolism. Replacement KCl by KBr or KI did not yield halide derivatives analogous to sclerotiorine. The activating effects of yeast-extract were equivalent to the increased KC1 conc.

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