biodegradable polymer synthesis and properties

Quantifying the difference between CO2-release and carbon conversion in aerobic aquatic biodegradation tests

The paper quantifies the difference between CO2-release and carbon conversion in aerobic aquatic biodegradation tests by measuring biomass growth alongside CO2-release.

Pseudomonas species from Antarctica and other environments host diverse genes encoding structurally conserved polyhydroxyalkanoate synthases linked with different mobile genetic elements

This study identifies diverse PhaC genes in Antarctic and other Pseudomonas species, some acquired via horizontal gene transfer, highlighting their potential for biopolymer production.

Programming aliphatic polyester degradation by engineered bacterial spores

This paper demonstrates engineered bacterial spores displaying enzymes for sustainable aliphatic polyester degradation, showing repeated reuse and full activity recovery.

A novel recombinant PHB production platform in filamentous cyanobacteria avoiding nitrogen starvation while preserving cell viability

This paper develops a genetically engineered filamentous cyanobacterium that continuously produces PHB without nitrogen starvation, maintaining cell viability for sustainable industrial production.

3D-bioprinted marine bacteria for the degradation of bioplastics

This paper develops 3D-bioprinted marine bacteria for degrading bioplastics, showing sustained viability and tunable degradation rates.

An initial genome editing toolset for Caldimonas thermodepolymerans, the first model of thermophilic polyhydroxyalkanoates producer

This paper develops genome editing tools for Caldimonas thermodepolymerans, a thermophilic PHA producer, to enhance its biotechnological potential through genetic manipulation.

Scalable Fabrication of a Tough and Recyclable Spore-Bearing Biocomposite Thermoplastic Polyurethane

This paper develops a scalable method to create recyclable and tougher biocomposite TPUs by embedding spore-based living fillers, showing improved toughness and recyclability.

Polyhydroxybutyrate production in freshwater SAR11 (LD12)

This study investigates PHA production in SAR11 bacteria, finding that PHB synthesis is constitutive and may provide a fitness advantage.

Lack of functional polyester-biodegrading potential in marine versus terrestrial environments evidenced by an innovative airbrushing technique

This paper introduces an airbrushing technique to screen polyester biodegradation potential, revealing 1,000-fold higher activity in terrestrial than marine environments.

Unraveling the effects of polyhydroxyalkanoates accumulation in Pseudomonas extremaustralis growth and survival under different pH conditions

This study investigates how PHA accumulation affects P. extremaustralis growth and survival under varying pH conditions, finding that sclPHA primarily enhances survival against pH stress.

Heterologous expression of critical pathway genes leads to complex pattern of increased yield of bioplastic precursors in Paraburkholderia sacchari ITP 101

This study enhances PHB and 3HV production in Paraburkholderia sacchari by overexpressing key pathway genes, achieving 162% and 145% increases respectively, while identifying thermodynamic limitations for 3HV.

Isolation and Identification of P(3HB)-Degrading Bacteria from Malaysian Environment

This study isolates and identifies P(3HB)-degrading bacteria from Malaysia, finding Comamonas testosteroni strains with high degradation activity.

Upcycling Polyethylene into Poly(3-hydroxybutyrate) via a Chemo-Enzymatic-Microbial Cascade

This paper develops a chemo-enzymatic-microbial system to convert polyethylene into poly(3-hydroxybutyrate), achieving 71.19% weight loss and 16.75 mg/L PHB concentration.

Demonstration of Bioplastic Production from CO2 and Formate using the Reductive Glycine Pathway in E. coli

This study demonstrates the production of bioplastic PHB in engineered E. coli using CO2 and formate via the reductive glycine pathway, showing potential for electro-bioproduction.

Eliminating Genes for a Two Component System Increases PHB Productivity in Cupriavidus basilensis 4G11 Under PHB Suppressing, Non-Stress Conditions

This study identifies two genes in a two-component system whose deletion increases PHB productivity in Cupriavidus basilensis under non-stress conditions.

The PHB Granule Biogenesis Pathway in Caulobacter

The paper investigates the biogenesis of PHB granules in Caulobacter crescentus, showing that PHB polymerase and phasin interact to form and mature these membrane-less compartments.

Hybrid Synthesis of bioplastics polyhydroxybutyrate from carbon dioxide

This paper describes a hybrid system that converts CO2 into bioplastic PHB using chemical and biological processes, achieving a carbon yield of 93.6% and a productivity of 1.06 g-1L-1h-1.

Novel Aromatic Polyhydroxyalkanoates from Engineered Cupriavidus necator H16: Expanding Bio-Polyester Synthesis from Renewable Feedstocks

This paper engineers Cupriavidus necator H16 to produce aromatic polyhydroxyalkanoates from renewable feedstocks, demonstrating biocatalytic synthesis of bio-polyesters with properties similar to synthetic polymers.

AL-PHA beads: bioplastic-based protease biosensors for global health applications

The paper develops AL-PHA beads, bioplastic-based protease biosensors, and demonstrates their ability to detect specific proteases in various samples.

Streamlined production, purification, and comparison of recombinant extracellular polyhydroxybutyrate depolymerases

The paper describes a method for producing and comparing recombinant PhaZs from different bacterial strains, identifying optimal conditions for their activity.

Domain-centric dissection and classification of prokaryotic poly(3-hydroxyalkanoate) synthases

The paper analyzes domain organization of prokaryotic PHA synthases to classify and understand their functional features across bacterial and archaeal species.

Characterisation and modelling of a polyhydroxyalkanoate synthase from Aquitalea sp. USM4 reveals a mechanism for polymer elongation

The paper characterizes PhaC from Aquitalea sp. USM4 and models its mechanism, revealing a shared polymer elongation mechanism across PhaC classes and substrate specificity determinants.

Astroplastic: A start-to-finish process for polyhydroxybutyrate production from solid human waste using genetically engineered bacteria to address the challenges for future manned Mars missions

This paper describes the development of a process called Astroplastic to produce polyhydroxybutyrate (PHB) from solid human waste using genetically engineered bacteria for sustainable waste management in future Mars missions.

Cell-free prototyping strategies for enhancing the sustainable production of polyhydroxyalkanoates bioplastics

This study develops cell-free systems to prototype and optimize polyhydroxyalkanoates biosynthesis, showing whey permeate enhances production and identifies enzymes for metabolite recycling.