Abstract
After growth on sucrose or glucose,Endomyces magnusii possesses a monosaccliaride uptake which resembles that ofSaccharomyces cerevisiae (a high KTof uptake, preference for α-anomers of D-xylose and D-glucose, enhanced uptake during anaerobiosis, attainment of a diffusion equilibrium). The uptake is inhibited by other monosaccharides and especially strongly by D-galactose. In the absence of high concentrations of metabolizable sugars,E. magnusii develops a capacity to accumulate 3-O-methyl-D-glucose and D-xylose against a concentration gradient the new system displaying a high affinity for glucose (KT < 0.1 mM), repression by glucose, mannose or galactose. Cycloheximide (0.2 %) blocks the formation of the active system.
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Ehwald, R., Mavrina, L. & Wilken, B. Active transport and mediated diffusion of glucose and other monosaccharides inEndomyces magnusii . Folia Microbiol 26, 388–393 (1981). https://doi.org/10.1007/BF02927332
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DOI: https://doi.org/10.1007/BF02927332