Abstract

Current agriculture and aquaculture industries require the usage of large quantities of plastics, which contribute to a significant increase of plastic waste to be disposed. In order to overcome the serious drawback of huge quantities of plastic, researches on innovative biodegradable materials have been developed. Biomaterials are natural products catabolized and synthesized by different microorganisms. Bioplastics are known as special type of biomaterials that can be assimilated by many species of microorganisms and do not cause toxic effects to the host. The most widely produced bioplastics are polyhydroxyalkanoates (PHAs), aliphatic polyesters, polysaccharides, and polylactides. PHAs are environmentally friendly biodegradable polymers which can be employed in a wide range of agricultural, industrial, medical, and pharmaceutical applications. This chapter addresses the microbial production of PHAs and the usage of short-chain-length-PHAs: poly(3-hydroxybutyrate) [P(3HB)], poly(3-hydroxybutyrate-co-3-hydroxyvalerate) [P(3HB-co-3HV)], and poly(3-hydroxybutyrate-co-4-hydroxybutyrate) [P(3HB-co-4HB)] for various applications in agricultural and aquacultural industries.

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