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Studies on the enzymes which catalyse inorganic sulfur compounds as substrates. Basic research and their apprication.

◆Grant-in-Aid for Scientific Research (JSPS) "Scientific Research (C)"
◆Leader: Tadayoshi Kanao
◆Period: FY2014-FY2016

The biological oxidation of reduced inorganic sulfur compounds (RISCs) is one of the most important processes in the environmental sulfur cycle. We have investigated the dissimilatory RISCs oxidation pathway in the iron- and sulfur-oxidizing bacterium, Acidithiobacillus ferrooxidans. Some unique enzymes involved in the RISCs oxidation have been identified in this bacterium. X-ray crystallographic analyses will allow to reveal the reaction mechanism of the unique enzymes. The knowledge can advance the new enzymology of inorganic sulfur chemistry.
Studies on the enzymes which catalyse inorganic sulfur compounds as substrates. Basic research and their apprication.