Changes of kinetic parameters in bacterial oxidation of elemental sulfur

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Authors	MANDL Martin OMESOVÁ POKORNÁ Blanka BOŘILOVÁ Šárka ČEŠKOVÁ Pavla JANICZEK Oldřich DOHNALOVÁ Romana
Year of publication	2006
Type	Conference abstract
MU Faculty or unit	Faculty of Science
Citation
Description	Biooxidation of elemental sulfur plays an important role in biohydrometallurgy and spontaneous biogeochemical processes in sulfide deposits (sulfide wastes, abandoned ore mines). The purpose of this study was to investigate a correlation among growth conditions, physiological factors and selected kinetic constants of elemental sulfur oxidation by Acidithiobacillus ferrooxidans. The values of maximum sulfur oxidation rate (v) and growth yield on sulfur (Y) were determined from data obtained in 73 batch cultures. The changes of the apparent Michaelis constant for sulfur (Km) were investigated in resting cells.
Related projects:	Bacterial oxidation of inorganic sulfur substances, environmental aspects Proteins in metabolism and interaction of organisms with the environment