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Updated: Jul 13, 2026

Structural Biology and Analytical Chemistry Approaches for Characterizing C-Glycoside Metabolic Enzymes in Human Gut Microbiota
Published on: May 23, 2025
[The influence of coordinational germanium compounds on the activity of glycosidases]
Abstract:
The ability of the synthesized compounds of germanium with bioligands to affect the biosynthesis and activity of alpha-amylase and alpha-L-rhamnosidase has been studied. It was established the most complexes tested induced biosyntheis of alpha-amylase of Bacillus subtilis 147 (119-252%) with the exception of Pam (Pyracetam) and II (Ge-nicotinic-citric acid). At the same time the biosynthesis of alpha-amylase of Bacillus licheniformis 234 and alpha-L-rhamnosidase of Penicillium commune was inhibited by a number of synthesized compounds. The complexes IV (Ge-malonic acid) and VIII (Ge-nicotinamide-malonic acid) did not exert any effect on the biosynthesis of alpha-amylase however complex IV stimulated alpha-L-rhamnosidase biosynthesis on the 3rd day of producer cultivation. The study of influence of the studied germanium compounds on the activity of alpha-amylase and alpha-L-rhamnosidase gives every reason to suppose that they are the inhibitors of the above-mentioned enzymes.
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