Enhancement of polyhydroxybutyrate (PHB) production by 10-fold from alkaline pretreatment liquor with an oxidative enzyme-mediator-surfactant system under Plackett-Burman and central composite designs.
Sign Up to like & getrecommendations! Published in 2019 at "Bioresource technology"
DOI: 10.1016/j.biortech.2019.02.045
Abstract: In this study, Plackett-Burman and central composite designs were applied to improve polyhydroxybutyrate (PHB) production from alkaline pretreatment liquor (APL) by Cupriavidus necator DSM 545 using a supplement system consisting of oxidative enzymes (laccase, aryl… read more here.
Keywords: system; production; phb production; plackett burman ... See more keywords
Harnessing fruit waste for poly-3-hydroxybutyrate production: A review.
Sign Up to like & getrecommendations! Published in 2021 at "Bioresource technology"
DOI: 10.1016/j.biortech.2021.124734
Abstract: Poly-3-hydroxybutyrate is a biopolymer which has shown tremendous potential for replacing conventional petroleum-based plastics for plummeting the plastic pollution problem. However, the production cost of PHB is high which makes it less attractive for commercial… read more here.
Keywords: fruit waste; production; phb production; waste ... See more keywords
Recent progress and challenges in microbial polyhydroxybutyrate (PHB) production from CO2 as a sustainable feedstock: A state-of-the-art review.
Sign Up to like & getrecommendations! Published in 2021 at "Bioresource technology"
DOI: 10.1016/j.biortech.2021.125616
Abstract: The recalcitrance of petroleum-based plastics causes severe environmental problems and has accelerated research into production of biodegradable polymers from inexpensive and sustainable feedstocks. Various microorganisms are capable of producing Polyhydroxybutyrate (PHB), a representative biodegradable polymer,… read more here.
Keywords: production; phb production; production co2; recent progress ... See more keywords
Techno-economic assessment of a sustainable and cost-effective bioprocess for large scale production of polyhydroxybutyrate.
Sign Up to like & getrecommendations! Published in 2021 at "Chemosphere"
DOI: 10.1016/j.chemosphere.2021.131371
Abstract: The rapid depletion of crude-oil resource which sustains a conventional petroleum refinery together with its environmental impact has led to the search for more sustainable alternatives. In this context, biorefinery serves to fulfil the aim… read more here.
Keywords: large scale; production; phb production; techno economic ... See more keywords
Novel phasins from the Arctic Pseudomonas sp. B14-6 enhance the production of polyhydroxybutyrate and increase inhibitor tolerance.
Sign Up to like & getrecommendations! Published in 2021 at "International journal of biological macromolecules"
DOI: 10.1016/j.ijbiomac.2021.08.236
Abstract: Phasin (PhaP), one of the polyhydroxyalkanoate granule-associated protein, enhances cell growth and polyhydroxybutyrate (PHB) biosynthesis by regulating the number and size of PHB granules. However, few studies have applied phasins to various PHB production conditions.… read more here.
Keywords: production; tolerance; phb production; increase ... See more keywords
Model Study To Assess Softwood Hemicellulose Hydrolysates as the Carbon Source for PHB Production in Paraburkholderia sacchari IPT 101.
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DOI: 10.1021/acs.biomac.7b01446
Abstract: Softwood hemicellulose hydrolysates are a cheap source of sugars that can be used as a feedstock to produce polyhydroxybutyrates (PHB), which are biobased and compostable bacterial polyesters. To assess the potential of the hemicellulosic sugars… read more here.
Keywords: softwood; source; phb production; softwood hemicellulose ... See more keywords
From Organic Wastes to Bioplastics: Feasibility of Nonsterile Poly(3-hydroxybutyrate) Production by Zobellella denitrificans ZD1
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DOI: 10.1021/acsomega.9b04002
Abstract: Poly(3-hydroxybutyrate) (PHB)—a renewable and biodegradable polymer—is a promising alternative to nonbiodegradable synthetic plastics that are derived from petrochemicals. The methods currently employed for PHB production are costly, in part, due to the expensive cultivation feedstocks… read more here.
Keywords: organic wastes; production; feasibility nonsterile; phb production ... See more keywords
Enhanced polyhydroxybutyrate (PHB) production by newly isolated rare actinomycetes Rhodococcus sp. strain BSRT1-1 using response surface methodology
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DOI: 10.1038/s41598-021-81386-2
Abstract: Poly-β-hydroxybutyrate (PHB) is a biodegradable polymer, synthesized as carbon and energy reserve by bacteria and archaea. To the best of our knowledge, this is the first report on PHB production by a rare actinomycete species,… read more here.
Keywords: methodology; phb production; response surface; surface methodology ... See more keywords
Degrading an enzyme to increase its product: a novel approach to decoupling biosynthesis and growth
Sign Up to like & getrecommendations! Published in 2019 at "Synthetic Biology"
DOI: 10.1093/synbio/ysz001
Abstract: In biomanufacturing, it is often desirable to uncouple enzyme levels and activities from bacterial growth rates. When an enzyme-encoding gene that is used to produce a target chemical is constitutively expressed, production of the chemical… read more here.
Keywords: system; production; phb production; biology ... See more keywords
Disruption of poly (3-hydroxyalkanoate) depolymerase gene and overexpression of three poly (3-hydroxybutyrate) biosynthetic genes improve poly (3-hydroxybutyrate) production from nitrogen rich medium by Rhodobacter sphaeroides
Sign Up to like & getrecommendations! Published in 2019 at "Microbial Cell Factories"
DOI: 10.1186/s12934-019-1088-y
Abstract: BackgroundDue to various environmental problems, biodegradable polymers such as poly (3-hydroxybutyrate) (PHB) have gained much attention in recent years. Purple non-sulfur (PNS) bacteria have various attractive characteristics useful for environmentally harmless PHB production. However, production of… read more here.
Keywords: production; phb production; poly hydroxybutyrate; strain ... See more keywords
Construction of an Antibiotic-Free Vector and its Application in the Metabolic Engineering of Escherichia Coli for Polyhydroxybutyrate Production
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Bioengineering and Biotechnology"
DOI: 10.3389/fbioe.2022.837944
Abstract: An antibiotic- and inducer-free culture condition was proposed for polyhydroxybutyrate (PHB) production in recombinant Escherichia coli. First, antibiotic-free vectors were constructed by installing the plasmid maintenance system, alp7, hok/sok, and the hok/sok and alp7 combination… read more here.
Keywords: antibiotic free; phb production; escherichia coli; production ... See more keywords