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首页> 外文期刊>New biotechnology >Penicillium subrubescens is a promising alternative for Aspergillus niger in enzymatic plant biomass saccharification
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Penicillium subrubescens is a promising alternative for Aspergillus niger in enzymatic plant biomass saccharification

机译：亚紫青霉是黑曲霉在酶促植物生物质糖化中的有前途的替代品

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摘要

In industrial applications, efficient mixtures of polysaccharide-degrading enzymes are needed to convert plant biomass into fermentable sugars. Most of the commercially produced lignocellulolytic enzymes are from a limited number of filamentous fungi, such as Trichoderma and Aspergillus species. In contrast, the plant biomass-degrading capacity of Penicillia has been less explored. We performed growth profiling of several Penicillia on diverse plant biomass-related substrates demonstrating the capacity particularly of Penicillium subrubescens to degrade crude lignocellulose feedstock, as well as polysaccharides, and metabolise their monomeric components. We focussed on the lignocellulolytic potential of P. subrubescens FBCC1632, which produced a variable set of (hemi-)cellulolytic activities on plant biomass substrates with activity levels comparable to those of Aspergillus niger. The good ability of the extracellular enzyme mixtures produced by P. subrubescens to saccharify complex plant biomasses, wheat bran and sugar beet pulp, indicated a high potential for this strain as a producer of industrial enzyme cocktails. (C) 2016 Elsevier B.V. All rights reserved.
机译：在工业应用中，需要有效的多糖降解酶混合物来将植物生物质转化为可发酵糖。大多数商业生产的木质纤维素分解酶来自有限数量的丝状真菌，例如木霉属和曲霉属。相反，对青霉菌的植物生物量降解能力的研究较少。我们在多种植物生物量相关的底物上进行了几种青霉菌的生长概况分析，证明了青霉青霉具有降解粗木质纤维素原料以及多糖并代谢其单体成分的能力。我们着重研究了红枯病菌FBCC1632的木质纤维素分解潜力，该物质在植物生物质底物上产生了一组可变的（半）纤维素分解活性，其活性水平可与黑曲霉相媲美。亚冬青假单胞菌产生的胞外酶混合物具有糖化复杂植物生物量，麦麸和甜菜浆的良好能力，表明该菌株作为工业酶混合物的生产者具有很高的潜力。 （C）2016 Elsevier B.V.保留所有权利。

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