Abstract
Mycelial dry weights of Mucor pusillus and Humicola lanuginosa reached maxima after two and eight days of incubation, respectively, in starch-yeast media. Maximum levels of extracellular amylase activities measured in the growth media were recorded after three to 11 days of incubation of M. pusillus, and after 9–25 days of incubation of H. lanuginosa, periods corresponding to observed reductions in mycelial dry weights. In both cases, abnormally high concentrations of reducing sugars were measured in the growth media prior to the attainment of maximum mycelial dry weight. It is suggested that a membrane-bound form of amylase might be principally responsible for providing reducing sugars necessary for growth, and extracellular amylase might be due principally to autolysis.
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Adams, P.R. Amylase production by Mucor pusillus and Humicola lanuginosa as related to mycelial growth. Mycopathologia 76, 97–101 (1981). https://doi.org/10.1007/BF00443756
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DOI: https://doi.org/10.1007/BF00443756