METABOLISM OF GLYCEROL BY AN ACROLEIN-FORMING LACTO-BACILLUS
- 1 February 1960
- journal article
- research article
- Published by American Society for Microbiology in Journal of Bacteriology
- Vol. 79 (2), 261-266
- https://doi.org/10.1128/jb.79.2.261-266.1960
Abstract
Resting cell suspensions of acrolein-producing Lactobacillus sp. 208-A of Serjak, et al. 1954 produces trimethylene glycol and [beta]-hydroxypropionic acid from glycerol. If glucose is present only trimethylene glycol is formed, but acetate replaces ethanol as the 2-carbon fragment from glucose. Evidence indicates that [beta]-hydroxypropionaldehyde is the intermediate between glycerol and trimethylene glycol and, without a hydrogen donor (such as glucose), [beta]-hydroxypropionaldehyde dismutates to trimethylene glycol and [beta]-hydroxypropionic acid. [beta]-hydroxy-pyopionaldehyde, when heated (as in distillation), dehydrates to acrolein and accounts for the acrolein found in culture liquors.Keywords
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