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Abstract
Glucose, fructose and trehalose, but not sucrose, supported the growth of Sordaria fimicola. Mycelial suspensions rapidly metabolized [14C]glucose, which was shown to be taken up by a mechanism saturated at 1 mm. Comparable experiments with [14C]sucrose were complicated by contaminating [14C]hexose but provided no conclusive evidence for sucrose uptake. Mycelial extracts hydrolysed sucrose at 7% of the rate found with trehalose. It is suggested that the fungus cannot grow on sucrose because it lacks a mechanism that permits uptake of sucrose carbon.
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© Society for General Microbiology 1984