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Thermostable Cellulases/Xylanases From Thermophilic and Hyperthermophilic Microorganisms: Current Perspective

文献类型： 外文期刊

作者： Ajeje, Samaila Boyi 1 ; Hu, Yun 1 ; Song, Guojie 1 ; Peter, Sunday Bulus 1 ; Afful, Richmond Godwin 1 ; Sun, Fubao 1 ; Asadollahi, Mohammad Ali 2 ; Amiri, Hamid 2 ; Abdulkhani, Ali 3 ; Sun, Haiyan 4 ;

作者机构： 1.Jiangnan Univ, Sch Biotechnol, Minist Educ, Key Lab Ind Biotechnol, Wuxi, Jiangsu, Peoples R China

2.Univ Isfahan, Fac Biol Sci & Technol, Dept Biotechnol, Esfahan, Iran

3.Univ Tehran, Fac Nat Resources, Dept Wood & Paper Sci & Technol, Karaj, Iran

4.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Haikou, Hainan, Peoples R China

关键词： thermostable cellulase; thermostable xylanase; thermophilic microorganism; thermostability; lignocellulose; genetic engineering; enzyme hydrolysis

期刊名称：FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY （ 影响因子：6.064； 五年影响因子：6.303 ）

ISSN： 2296-4185

年卷期： 2021 年 9 卷

页码：

收录情况： SCI

摘要： The bioconversion of lignocellulose into monosaccharides is critical for ensuring the continual manufacturing of biofuels and value-added bioproducts. Enzymatic degradation, which has a high yield, low energy consumption, and enhanced selectivity, could be the most efficient and environmentally friendly technique for converting complex lignocellulose polymers to fermentable monosaccharides, and it is expected to make cellulases and xylanases the most demanded industrial enzymes. The widespread nature of thermophilic microorganisms allows them to proliferate on a variety of substrates and release substantial quantities of cellulases and xylanases, which makes them a great source of thermostable enzymes. The most significant breakthrough of lignocellulolytic enzymes lies in lignocellulose-deconstruction by enzymatic depolymerization of holocellulose into simple monosaccharides. However, commercially valuable thermostable cellulases and xylanases are challenging to produce in high enough quantities. Thus, the present review aims at giving an overview of the most recent thermostable cellulases and xylanases isolated from thermophilic and hyperthermophilic microbes. The emphasis is on recent advancements in manufacturing these enzymes in other mesophilic host and enhancement of catalytic activity as well as thermostability of thermophilic cellulases and xylanases, using genetic engineering as a promising and efficient technology for its economic production. Additionally, the biotechnological applications of thermostable cellulases and xylanases of thermophiles were also discussed.

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