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61,005 resultsShowing papers similar to Beyond Intracellular Accumulation of Polyhydroxyalkanoates: Chiral Hydroxyalkanoic Acids and Polymer Secretion
ClearBacterial Production of Hydroxyalkanoates (PHA)
This review examines bacterial production of polyhydroxyalkanoates (PHA) as a biodegradable alternative to petroleum-based plastics, covering fermentation processes, scaling to industrial levels, and future trends, while noting that higher production costs currently prevent PHAs from competing commercially with conventional plastics.
A Review on Biological Synthesis of the Biodegradable Polymers Polyhydroxyalkanoates and the Development of Multiple Applications
This review covers the biological production of polyhydroxyalkanoates, a family of biodegradable bioplastics that bacteria naturally produce from waste carbon sources. Researchers found that these biopolymers have properties similar to conventional plastics like polypropylene but can fully biodegrade, making them a promising alternative to petroleum-based plastics. The study emphasizes that scaling up production and establishing proper end-of-life management are critical steps for PHAs to compete with conventional plastics and help reduce microplastic pollution.
Polyhydroxyalkanoates (PHAs) – Production, Properties, and Biodegradation
This review covers polyhydroxyalkanoates (PHAs), a class of microbially produced biopolyesters, discussing raw material innovation, microbial producer strains, bioengineering approaches for improved yields, and end-of-life biodegradation options. PHAs are presented as a genuinely circular plastic alternative due to their renewable production, biodegradability, and compatibility with existing plastic applications including food packaging.
Current trends in the production of biodegradable bioplastics: The case of polyhydroxyalkanoates
This review evaluates the state of polyhydroxyalkanoate (PHA) bioplastic production, comparing microbiological, enzymatic, and chemical manufacturing approaches for their potential to replace petroleum-based plastics. While PHAs are naturally biodegradable and mechanically versatile, cost and scalability remain major barriers to commercial adoption.
PHA, the Greenest Plastic So Far: Advancing Microbial Synthesis, Recovery, and Sustainable Applications for Circularity
This review examines polyhydroxyalkanoates (PHAs), a family of biodegradable plastics made by bacteria that could replace conventional petroleum-based plastics. Switching to PHAs could significantly reduce microplastic pollution because unlike traditional plastics, these materials fully break down in the environment rather than fragmenting into persistent microplastic particles.
Biosynthesis of Polyhydroxyalkanoates (PHAs) by the Valorization of Biomass and Synthetic Waste
This paper explores the production of polyhydroxyalkanoates (PHAs), biodegradable microbial polymers, from biomass and waste feedstocks as a sustainable alternative to conventional synthetic plastics. PHAs can be naturally synthesized by bacteria, offering a pathway to biodegradable plastics that do not persist as microplastic pollution.
Current developments on polyhydroxyalkanoates synthesis by using halophiles as a promising cell factory
Researchers reviewed how salt-loving microorganisms called halophiles can serve as efficient biological factories for producing polyhydroxyalkanoates (PHAs), a class of biodegradable plastics that could replace petroleum-based plastics. Their high salt requirements naturally prevent contamination during large-scale fermentation, and advances in metabolic engineering are making PHA production cheaper and more scalable.
Microbial PolyHydroxyAlkanoate (PHA) Biopolymers—Intrinsically Natural
This review makes the case for polyhydroxyalkanoates (PHAs), naturally produced bioplastics made by bacteria, as a solution to fossil plastic pollution. Unlike conventional plastics that break down into persistent microplastics, PHAs are fully biodegradable in soil, water, and marine environments. Widespread adoption of PHAs could help reduce the growing burden of microplastic contamination that threatens ecosystems and human health.
Poly(hydroxyalkanoates): Emerging Biopolymers in Biomedical Fields and Packaging Industries for a Circular Economy
This review examines poly(hydroxyalkanoates), or PHAs -- a family of biodegradable, bio-based plastics that break down without producing microplastics. PHAs show strong potential in biomedical applications like tissue engineering and implants because they are non-toxic and compatible with the human body. The paper discusses how PHAs could help address plastic waste and microplastic pollution while offering safe alternatives for both packaging and medical uses.
Polyhydroxyalkanoates biosynthesis, resulting polymer structures, and plasticization
This review examines polyhydroxyalkanoates (PHAs), a class of biodegradable biopolymers synthesized by microorganisms, discussing strategies including plasticizers and monomer inclusion to overcome the brittleness and processing challenges of the most common PHA, poly(3-hydroxybutyrate).
Exploiting sugar-rich feedstocks for sustainable polyhydroxyalkanoate production
Researchers investigated the use of sugar-rich agricultural feedstocks for sustainable production of polyhydroxyalkanoates (PHAs), evaluating these bacterial biopolymers as biodegradable alternatives to petrochemical plastics that contribute to microplastic pollution.
Production of polyhydroxyalkanoate (PHA) biopolymer from crop residue using bacteria as an alternative to plastics: a review
This review examines how PHA, a biodegradable plastic made from crop waste using bacteria, could serve as a sustainable alternative to conventional plastics. While PHA breaks down naturally unlike traditional plastics that fragment into microplastics, challenges remain in making it heat-stable and cost-competitive enough for widespread industrial use.
Post-Transcriptional Control in the Regulation of Polyhydroxyalkanoates Synthesis
This review examines how gene regulation controls the production of polyhydroxyalkanoates (PHAs), a family of biodegradable bioplastics made by bacteria. Better understanding of these biological controls could help scale up manufacturing of eco-friendly alternatives to conventional petroleum-based plastics.
What Is New in the Field of Industrial Wastes Conversion into Polyhydroxyalkanoates by Bacteria?
This review covers recent advances in using bacteria to convert industrial food waste into polyhydroxyalkanoates (PHAs), a type of biodegradable bioplastic. Using industrial waste as feedstock for bioplastic production could reduce both plastic pollution and food industry waste simultaneously.
Metabolic Process and Types of Carbon Source leads to Desired Polyhydroxyalkanoate Properties
This review examines how different carbon sources and metabolic pathways influence the biosynthetic production of polyhydroxyalkanoates (PHAs), analyzing how carbon source selection and organism choice determine whether homo- or copolymers are produced and shape the resulting physical and chemical properties of these biodegradable plastics.
Microbial PolyHydroxyAlkanoate (PHA) Biopolymers – Intrinsically Natural
This review covered microbially produced polyhydroxyalkanoate (PHA) biopolymers as naturally biodegradable alternatives to fossil-based plastics, arguing that PHAs offer a circular solution that avoids microplastic formation and elevated CO2 release associated with conventional plastic end-of-life scenarios.
Advances in Polyhydroxyalkanoate (PHA) Production, Volume 2
This editorial introduces a second special journal issue on polyhydroxyalkanoate (PHA) production — a class of biodegradable plastics produced by microorganisms — covering recent advances in bioprocessing and applications. PHAs are being developed as biodegradable alternatives to petroleum-based plastics to reduce microplastic pollution.
PHA-Based Bioplastic: a Potential Alternative to Address Microplastic Pollution
This review examines polyhydroxyalkanoate (PHA)-based bioplastics as biodegradable alternatives to petroleum-derived plastics, highlighting their potential to reduce microplastic pollution while discussing challenges in scaling production and improving material properties.
Polyhydroxyalkanoate (PHA) Biopolyesters - Emerging and Major Products of Industrial Biotechnology
This review examined polyhydroxyalkanoate biopolyesters as industrially produced biodegradable plastics, covering their microbial biosynthesis, material properties, and commercial applications as sustainable alternatives to conventional petroleum-based plastics.
Polyhydroxyalkanoate (PHA) Bio-polyesters – Circular Materials for Sustainable Development and Growth
This review examines polyhydroxyalkanoate (PHA) biopolymers as circular carbon materials produced from renewable feedstocks and biodegradable across diverse environments, arguing that PHAs offer a more genuine solution to microplastic pollution than conventional bioplastics that require industrial composting.
Switching from petro-plastics to microbial polyhydroxyalkanoates (PHA): the biotechnological escape route of choice out of the plastic predicament?
This review makes the case for replacing petroleum-based plastics with microbially produced biodegradable alternatives (PHAs), particularly for packaging and medical applications. If produced efficiently enough, PHAs could reduce persistent plastic waste and the resulting microplastic pollution.
Insightful Advancement and Opportunities for Microbial Bioplastic Production
This review surveys advances in microbial production of polyhydroxyalkanoates (PHAs) and other bioplastics, highlighting fermentation optimization, feedstock diversification, and genetic engineering strategies that could make microbially-derived bioplastics economically competitive with petroleum-based plastics.
Production of biopolymers from microalgae and cyanobacteria
This review examines the production of biopolymers, particularly polyhydroxyalkanoates (PHAs), from microalgae and cyanobacteria as sustainable alternatives to conventional petroleum-based plastics, synthesizing studies on biomass accumulation and production pathways. The authors discuss the properties, applications, and scalability challenges of microalgae- and cyanobacteria-derived bioplastics in the context of reducing plastic pollution and fossil fuel dependence.
Advancements in genetic engineering for enhanced Polyhydroxyalkanoates (PHA) production: a comprehensive review of metabolic pathway manipulation and gene deletion strategies
This review examines genetic engineering strategies for boosting production of polyhydroxyalkanoates, which are biodegradable bioplastics produced by bacteria. Researchers describe how modifying metabolic pathways and deleting competing genes can significantly increase bioplastic yields. The technology is relevant to the microplastics problem because scaling up biodegradable plastic alternatives could help reduce the accumulation of persistent conventional plastics in the environment.