@article{200760370, title={Characterization of the sol Operon in Butanol-Hyperproducing Clostridium saccharoperbutylacetonicum Strain N1-4 and Its Degeneration Mechanism}, author={Tomoyuki KOSAKA and Shunichi NAKAYAMA and Keizo NAKAYA and Sadazo YOSHINO and Kensuke FURUKAWA}, journal={Bioscience, Biotechnology, and Biochemistry}, volume={71}, number={1}, pages={58-68}, year={2007}, doi={10.1271/bbb.60370} }