An Overview of Optimization, Characterization, Recovery and Application of Polyhydroxyalkanoates Synthesized by Microorganisms

If we work for a more sustainable future, the most significant roadblock is the quality and cost-effectiveness of plastics in most industries. As a result, bacterial polyhydroxyalkanoates (PHAs) tend to be a promising candidate for replacing non-biodegradable plastics and combating the contamination caused by their accumulation over time. PHA are energy stores created by microbial cells that can be used in nutrient-deficient environments, and they have properties that are similar to non-degradable plastics that have been widely used by the general public for decades. They are also biodegradable and biocompatible. As a result, researchers and environmentalists are becoming increasingly interested in PHA-accumulating microorganisms as a potential replacement for existing plastics. PHA properties are influenced by a variety of physicochemical parameters as well as factors such as microbial strain, development, and nutritional conditions. Thus, even if formed by the same species isolated from different environments, studying different optimization parameters for PHA accumulation in bacterial cells and its characterization is extremely significant. Due to its biodegradable nature, PHAs have a wide range of applications, not just in marketing but also in medicine, using biotechnology and interdisciplinary approaches. This monograph provides an overview of the techniques used to screen PHA accumulators, optimise their aggregation, and characterise these polymers using analytical instruments that have been published in the literature. In addition, the various applications of PHAs in various fields are discussed.

Author(s) Detailts

Joyline Mascarenhas
Department of Microbiology, Wilson College, Mumbai 400007, Maharashtra, India.

K. Aruna
Department of Microbiology, Wilson College, Mumbai 400007, Maharashtra, India.

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