Occurrence of poly-?(−)-3-hydroxyalkanoates in the genus Bacillus
- 15 November 1991
- journal article
- Published by Oxford University Press (OUP) in FEMS Microbiology Letters
- Vol. 84 (2) , 173-176
- https://doi.org/10.1016/0378-1097(91)90123-r
Abstract
A range of Bacillus strains were examined for their ability to accumulate poly-D(-)-3-hydroxyalkanoates (poly-HAKs) which are naturally occurring materials that are optically active, biodegradable thermoplastics. The organisms could produce poly-D(-)-3-hydroxybutyrate (poly-HB) up to 50% of cell dry weight. The content of poly-HB in the cells varied with the growth conditions. The addition of propionate or valerate in the culture resulted in a synthesis of poly-D(-)-3-hydroxyvalerate (poly-HV). All the strains tested had the ability to synthesize the co-polyester poly-HB-co-HV.Keywords
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