Insight in to the phylogeny of polyhydroxyalkanoate biosynthesis: horizontal gene transfer.
Biotechnological approaches for the production of polyhydroxyalkanoates in microorganisms and plants - a review.
- Biology, EngineeringBiotechnology advances
Biotechnological Production of Polyhydroxyalkonates by Various Isolates: A Review
- Engineering, Biology
With the isolation of the genes responsible for PHA biosynthesis and in vivo / in vitro metabolic engineering of microorganisms, an enhanced and cost effective production of PHA should be possible is not so a distant future.
Production of Polyhydroxyalkanoates from Renewable Sources Using Bacteria
- BiologyJournal of Polymers and the Environment
The major focus of this review is the production of PHA from various cost-effective substrates using different bacterial species and the biosynthetic pathway, extraction method, characterization technique, and applications of P HA in various sectors.
Microbial production of poly(hydroxybutyrate) from C1 carbon sources
- EngineeringApplied Microbiology and Biotechnology
This article reviews the fundamentals of strategies for reducing PHA production and moves on to the applications of several cheap substrates with a special emphasis on methane, methanol, and CO2.
Synthesis and production of polyhydroxyalkanoates by halophiles: current potential and future prospects
- Biology, EngineeringApplied Microbiology and Biotechnology
Phylogenetic studies on haloarchaeal enzymes able to polymerize the components of PHAs reveal a novel cluster, with a close relationship with PHA polymerases of bacteria and archaea found in marine-related niches, more closely affiliated to synthases of Proteobacteria.
RETRACTED ARTICLE: Towards understanding polyhydroxyalkanoates and their use
- Materials ScienceJournal of Polymer Research
It is fact that Polymers and their products have changed the face of the world in all the field of the technology. They are the future of the coming up generation of the research of the world. But…
Polyhydroxyalkanoates: Role of Ralstonia eutropha
- Engineering, Biology
Polyhydroxyalkanoate a biologically-synthesized plastic is attracting major interests in green material industries and some important aspects like inexpensive carbon sources, selection of suitable bacterial strains, efficient fermentation and recovery processes should be taken into consideration.
Polyhydroxyalkanoates production by actinobacteria isolated from soil.
- BiologyCanadian journal of microbiology
Thirty-four isolates were able to accumulate poly( 3-hydroxybutyrate) and a number of these have traces of poly(3-Hydroxyvalerate) when cultivated on glucose or glucose and casein as carbon source and transmission electron microscopy demonstrated that the PHA accumulation occurs in hyphae and spores.
SHOWING 1-10 OF 65 REFERENCES
- Engineering, BiologyBiotechnology and bioengineering
Improvements in fermentation/separation technology and the development of bacterial strains or plants that more efficiently synthesize PHAs will bring the costs down to make PHAs competitive with the conventional plastics.
Occurrence, metabolism, metabolic role, and industrial uses of bacterial polyhydroxyalkanoates.
- BiologyMicrobiological reviews
The physiological functions of PHB as a reserve material and in symbiotic nitrogen fixation and its presence in bacterial plasma membranes and putative role in transformability and calcium signaling are also considered.
Metabolic Engineering of Poly(3-Hydroxyalkanoates): From DNA to Plastic
- BiologyMicrobiology and Molecular Biology Reviews
An overview of the different PHA biosynthetic systems and their genetic background is provided, followed by a detailed summation of how this natural diversity is being used to develop commercially attractive, recombinant processes for the large-scale production of PHAs.
The role and regulation of energy reserve polymers in micro-organisms.
- BiologyAdvances in microbial physiology
A process for the recovery of poly(hydroxyalkanoates) from Pseudomonads Part 1: Solubilization
The development of a non-solvent based process for the recovery of mcl-PHAs from the biomass, involving heat, protease and detergent, leaves the peptidoglycan intact, which facilitates the separation.
Targeting of the polyhydroxybutyrate biosynthetic pathway to the plastids of Arabidopsis thaliana results in high levels of polymer accumulation.
- BiologyProceedings of the National Academy of Sciences of the United States of America
In contrast to earlier experiments in which expression of the PHB biosynthetic pathway in the cytoplasm led to a deleterious effect on growth, expression in plastids had no obvious effect on the growth or fertility of the transgenic plants and resulted in a 100-fold increase in the amount of PHB that accumulated.
Accumulation of a Polyhydroxyalkanoate Containing Primarily 3-Hydroxydecanoate from Simple Carbohydrate Substrates by Pseudomonas sp. Strain NCIMB 40135
- Biology, Materials ScienceApplied and environmental microbiology
A number of Pseudomonas species have been identified which accumulate a polyhydroxyalkanoate containing mainly 3-hydroxydecanoate monomers from sodium gluconate as the sole carbon source, and it was shown that this material was synthesized from glucose as the carbon source.
Formation of Polyesters by Pseudomonas oleovorans: Effect of Substrates on Formation and Composition of Poly-(R)-3-Hydroxyalkanoates and Poly-(R)-3-Hydroxyalkenoates
- ChemistryApplied and environmental microbiology
It is shown that the intermediate 3-Hydroxy fatty acids can also be polymerized to intracellular poly-(R)-3-hydroxyalkanoates (PHAs) when the medium contains limiting amounts of essential elements, such as nitrogen.
Enhanced Accumulation and Changed Monomer Composition in Polyhydroxyalkanoate (PHA) Copolyester by In Vitro Evolution of Aeromonas caviae PHA Synthase
- Biology, EngineeringApplied and Environmental Microbiology
In vitro evolution experiment succeeded in acquiring higher active mutants of a synthase that is a key enzyme essential for bacterial synthesis of biodegradable polyester, polyhydroxyalkanoate (PHA) by screening mutant enzymes with higher activities based on two types of polyester accumulation system.