CAZyme from gut microbiome for efficient lignocellulose degradation and biofuel production

IF 2.5 Q3 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Frontiers in chemical engineering Pub Date : 2022-11-07 DOI:10.3389/fceng.2022.1054242
Dixita Chettri, Susmita Nad, Ujjal Konar, A. Verma
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引用次数: 1

Abstract

Over-exploitation and energy security concerns of the diminishing fossil fuels is a challenge to the present global economy. Further, the negative impact of greenhouse gases released using conventional fuels has led to the need for searching for alternative biofuel sources with biomass in the form of lignocellulose coming up as among the potent candidates. The entrapped carbon source of the lignocellulose has multiple applications other than biofuel generation under the biorefinery approach. However, the major bottleneck in using lignocellulose for biofuel production is its recalcitrant nature. Carbohydrate Active Enzymes (CAZymes) are enzymes that are employed for the disintegration and consumption of lignocellulose biomass as the carbon source for the production of biofuels and bio-derivatives. However, the cost of enzyme production and their stability and catalytic efficiency under stressed conditions is a concern that hinders large-scale biofuel production and utilization. Search for novel CAZymes with superior activity and stability under industrial condition has become a major research focus in this area considering the fact that the most conventional CAZymes has low commercial viability. The gut of plant-eating herbivores and other organisms is a potential source of CAZyme with high efficiency. The review explores the potential of the gut microbiome of various organisms in the production of an efficient CAZyme system and the challenges in using the biofuels produced through this approach as an alternative to conventional biofuels.
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来自肠道微生物组的CAZyme用于有效降解木质纤维素和生产生物燃料
对日益减少的化石燃料的过度开采和能源安全问题是当前全球经济面临的挑战。此外,使用传统燃料释放温室气体的负面影响导致需要寻找替代生物燃料来源,木质纤维素形式的生物质成为有力的候选者之一。木质纤维素的碳源除了在生物炼制方法下产生生物燃料外,还有多种应用。然而,使用木质纤维素生产生物燃料的主要瓶颈是它的顽固性。碳水化合物活性酶(CAZymes)是用于分解和消耗木质纤维素生物质的酶,作为生产生物燃料和生物衍生物的碳源。然而,酶生产的成本及其在压力条件下的稳定性和催化效率是阻碍大规模生物燃料生产和利用的一个问题。考虑到大多数传统的CAZymes具有较低的商业可行性,在工业条件下寻找具有优异活性和稳定性的新型CAZymes已成为该领域的主要研究重点。植食动物和其他生物的肠道是高效的CAZyme的潜在来源。这篇综述探讨了各种生物的肠道微生物组在生产高效CAZyme系统中的潜力,以及利用这种方法生产的生物燃料作为传统生物燃料的替代品所面临的挑战。
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CiteScore
3.50
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0.00%
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审稿时长
13 weeks
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