Production of poly(3-hydroxybutyrate-co-4-hydroxybutyrate) by Burkholderia sacchari using wheat straw hydrolysates and gamma-butyrolactone.

@article{Cesrio2014ProductionOP,
  title={Production of poly(3-hydroxybutyrate-co-4-hydroxybutyrate) by Burkholderia sacchari using wheat straw hydrolysates and gamma-butyrolactone.},
  author={M. Teresa Ces{\'a}rio and Rodrigo S. Raposo and M Catarina M D de Almeida and Fred van Keulen and Bruno S Ferreira and Jo{\~a}o P Telo and M Manuela R da Fonseca},
  journal={International journal of biological macromolecules},
  year={2014},
  volume={71},
  pages={
          59-67
        }
}

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References

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Production of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) P(3HB-co-3HV) with a broad range of 3HV content at high yields by Burkholderia sacchari IPT 189
TLDR
A simulation of production costs considering Y3HV/prop obtained in the present work indicated that a reduction of up to 73% can be reached, approximating US$ 1.00 per kg which is closer to the value to produce P3HB from sucrose (US$ 0.75 per kg).
Microbial synthesis of poly(3-hydroxybutyrate-co-4- hydroxybutyrate) copolymer by Cupriavidus sp. USMAA2-4 through a two step cultivation process
A Gram negative bacterium, Cupriavidus sp. USMAA2-4 was isolated from a soil sample in Northern Peninsular of Malaysia and was able to synthesize polyhydroxyalkanoate containing 4-hydroxybutyrate
Microbial synthesis and properties of poly(3-hydroxybutyrate-co-4-hydroxybutyrate) in Comamonas acidovorans.
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TLDR
The biodegradabilities of P(3HB-co-4HB) films were studied in aqueous solutions of extracellular polyhydroxybutyrate (PHB) depolymerase from Alcaligenes faecalis or of lipase from Rhizopus delemer, and the erosion rate of films by lipase increased with the 4HB fraction.
Production of Poly(3-Hydroxybutyric Acid-Co-4-Hydroxybutyric Acid) and Poly(4-Hydroxybutyric Acid) without Subsequent Degradation by Hydrogenophaga pseudoflava
TLDR
It is suggested that the inability of cells to produce 3HB in the multistep culture was due to a low level of 4-hydroxybutyric acid (4HBA) dehydrogenase activity induced by long exposure to γ-butyrolactone, as is the case for a one-step culture.
Enhanced production of poly(3-hydroxybutyrate-co-4-hydroxybutyrate) copolymer with manipulated variables and its properties
TLDR
The biocompatibility of P(3HB-co-4HB) copolymers have been shown to support the growth and proliferation of fibroblast cells and increases in the 4HB composition lowered the molecular weight of theseCopolymers.
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