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Pseudomonas oleovorans as a Source of Poly(β-Hydroxyalkanoates) for Potential Applications as Biodegradable Polyesters
TLDR
In spite of the higher cell yields obtained with octanoate and nonanoate, the use of hexanoates and heptanoate yielded higher-molecular-weight polymers, which represent an entirely new class of biodegradable thermoplastics.
The microbial production of poly(hydroxyalkanoates) from tallow
TLDR
Tallow free fatty acids supported cell growth and PHA production for all four organisms, yielding PHA contents of 18%, 15%, 19% and 3% of their cell dry weights for P. resinovorans, P. putida, and P. citronellolis respectively.
Bacterial polyesters: biosynthesis, biodegradable plastics and biotechnology.
The discovery and chemical identification, in the 1920s, of the aliphatic polyester: poly(3-hydroxybutyrate), PHB, as a granular component in bacterial cells proceeded without any of the
Plastics from bacteria and for bacteria: poly(beta-hydroxyalkanoates) as natural, biocompatible, and biodegradable polyesters.
Hence, PHB belongs to the family of poly(beta-hydroxyalkanoates), PHA, all of which are usually formed as intracellular inclusions under unbalanced growth conditions. Recently, it became of
Polyesters from microorganisms.
TLDR
The bacterial production and properties of poly(3-hydroxyalkanoates) and poly(beta-malate) are described with emphasis on the former.
Production of unusual bacterial polyesters by Pseudomonas oleovorans through cometabolism
TLDR
The PHAs obtained by this type of cometabolism from a variety of such substrates are described and new and unusual copolymers containing units derived from these substrates can often be obtained if that compound is cofed with a good polymer-producing substrate for P. oleovorans.
The accumulation of poly(3-hydroxyalkanoates) in Rhodobacter sphaeroides
TLDR
Compared to Rhodospirillum rubrum, R. sphaeroides showed a limited flexibility in its ability to form PHA with varying monomer unit compositions, and Decreasing light intensities did not stimulate PHA formation.
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