Abstract
AbstractNowadays, metabolic engineering is a well-known approach to deal with bioproduction problems in bio-based material manufacturing. Various types of cells, such as plant cells, bacteria, algae, and fungi, take substrates and, through metabolic networks, including a complex amalgamation of metabolic pathways, convert them into valuable products. Metabolic engineering is implementing biological tools such as genetic engineering, evolutionary engineering, and modifying cultivation methods to manipulate metabolites’ biosynthesis to increase, decrease, block, and create pathway(s) involving in the biosynthesis of one or more special product(s). Metabolic engineering plays a pivotal role by designing or modifying metabolic pathways in microorganisms or cell-free systems for biodegradable biopolymers’ bioproduction with potential in food packaging applications. This chapter presents recent advances in pathway engineering for the synthesis of biodegradable biopolymers with potential application in food packaging, such as polyhydroxyalkanoates (PHAs), including poly(b-hydroxybutyrate) (PHB), poly(3-hydroxybutyrate-co23-hydroxyvalerate) (PHBV), bacterial cellulose, xanthan, and pullulan.KeywordsBiodegradable biopolymersMetabolic engineeringPHAPHBPHBVXanthanPullulanFood packaging
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