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A review on chimeric xylanases: methods and conditions
- Saadat, Fatemeh
- 3 Biotech 2017 v.7 no.1 pp. 67
- biochemical pathways, bleaching, feed additives, fuel production, manufacturing, paper, polypeptides, polysaccharides, production costs, pulp, recombinant fusion proteins, texture, waste treatment, xylanases
- Multi-functional enzymes are one of the nature’s solutions to facilitate metabolic pathways, thus several reactions are regulated and performed simultaneously on one polypeptide chain. Inspired by nature, artificial chimeric proteins have been designed to reduce the production costs and improve the performance. One of the interesting applications of this method is in the plant-based industries such as feed additive, waste treatment, biofuel production, and pulp and paper bleaching. In fact, the heterogeneous texture of plants needs using a combination of different enzymes to achieve an optimal quality in the manufacturing process. Given that xylans are the most abundant non-cellulosic polysaccharides in nature, xylanases are widely utilized in the mentioned industries. In this regard, several studies have been conducted to develop the relevant chimeric enzymes. Despite the successes that have been attained in this field, misfolding, functional or structural interference, and linker breakage have been reported in some cases. The present paper reviews the research to introduce the prerequisites to design an appropriate chimeric xylanase.