Production of alcohol by Bacillus stearothermophilus
β Scribed by A. Atkinson; D. C. Ellwood; C. G. T. Evans; R. G. Yeo
- Publisher
- John Wiley and Sons
- Year
- 1975
- Tongue
- English
- Weight
- 117 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0006-3592
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## Abstract An intracellular, thermostable, neutral Ξ±βgalactosidase (Ξ±βDβgalactoside galactohydrolase EC 3.2.1.32) was produced in pilot plant quantities from a strain of __Bacillus stearothermophilus__. The organism was cultured at 50Β°C in a soluble neutral medium containing water extract of soybe
The cells of Bacillus stearothermophilus contain an NADH-dependent diacetyl (acetoin) reductase. The enzyme was easily purified to homogeneity, partially characterised, and found to be composed of two subunits with the same molecular weight. In the presence of NADH, it catalyses the stereospecific r