نتایج جستجو برای: poly b hydroxybutyrate
تعداد نتایج: 973900 فیلتر نتایج به سال:
An ethoxy-bridged dinuclear indium catalyst was used for the ring opening polymerization of the cyclic ester β-butyrolactone to form the biodegradable polyester poly(hydroxybutyrate) (PHB). The catalyst shows remarkable activity and control during polymerization, allowing for formation of diblock polymers. Addition of high ratios of alcohols to the catalyst leads to fast chain transfer and immo...
We present the genome of Salinisphaera shabanensis, isolated from a brine-seawater interface and representing a new order within the Gammaproteobacteria. Its adaptations to physicochemical and nutrient availability fluctuations include six genes encoding heavy metal-translocating P-type ATPases and multiple genes involved in iron uptake, siderophore production, and poly-β-hydroxybutyrate synthe...
Zobellella denitrificans ZD1, isolated from sediments of an estuarine mangrove ecosystem in Taiwan, exhibits growth-associated production of biopolymer poly(3-hydroxybutyrate) (PHB). This work reports the 4.05-Mbp draft genome sequence of Z. denitrificans ZD1, consisting of 217 contigs with a G+C content of 63.8% and 3,672 protein-coding sequences.
rRNA and Poly-Hydroxybutyrate Dynamics in Bioreactors Subjected to Feast and Famine Cycles Dominic Frigon,† Gerard Muyzer, Mark van Loosdrecht, and Lutgarde Raskin* Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois, and Environmental Biotechnology Group, Department of Biotechnology, Delft University of Technology, Delft, The Netherlands
Here, we report the genome sequence of Clostridium acetireducens (DSM 10703T), a strictly anaerobic bacterium capable of fermenting acetate and leucine to butyrate, isovalerate, and poly-3-hydroxybutyrate. The draft genome consists of a circular chromosome with a size of 2.4 Mb and harbors 2,239 predicted protein-encoding genes.
Amphiphilic star-block copolymers based on poly(3-hydroxybutyrate) with adamantyl end-functionalization were synthesized via anionic ring-opening polymerization and alkyne-azide "Click Chemistry" coupling. In aqueous medium, the copolymers self-assembled into nanogel-like large compound micelles, and transformed into vesicular nanostructures under the direction of host-guest interaction between...
Bacillus aryabhattai PHB10 is a poly(3-hydroxybutyrate) (PHB)-accumulating bacterium isolated from domestic sewerage. Here, we report the 4.19-Mb draft genome sequence, with 4,050 protein-coding genes and a G+C content of 37.5%. This sequence will be helpful in the study of the high-level PHB accumulation mechanism of the strain.
Bacillus marmarensis strain DSM 21297 is an extreme obligate alkaliphile able to grow in medium up to pH 12.5. A whole-shotgun strategy and de novo assembly led to the generation of a 4-Mbp genome of this strain. The genome features alkaliphilic adaptations and pathways for n-butanol and poly(3-hydroxybutyrate) synthesis.
Oceanimonas sp. GK1 (IBRC-M 10197) is a marine halotolerant gammaproteobacterium which was characterized as producing large amounts of poly-β-hydroxybutyrate. Here we present the whole-genome sequence of Oceanimonas sp. GK1, which consists of a single circular chromosome of 3,514,537 bp and two plasmids 8,462 and 4,245 bp in length.
Production of novel polyhydroxyalkanoates (PHAs), biodegradable polymers for biomedical applications, and biomaterials based on them is a promising trend in modern bioengineering. We studied the ability of an effective strain-producer Azotobacter chroococcum 7B to synthesize not only poly(3-hydroxybutyrate) homopolymer (PHB) and its main copolymer poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (P...
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