| Title | Production of a β-Glucosidase-Rich Cocktail from Talaromyces amestolkiae Using Raw Glycerol: Its Role for Lignocellulose Waste Valorization |
|---|---|
| ID_Doc | 7699 |
| Authors | Méndez-Líter, JA; de Eugenio, LI; Hakalin, NLS; Prieto, A; Martínez, MJ |
| Title | Production of a β-Glucosidase-Rich Cocktail from Talaromyces amestolkiae Using Raw Glycerol: Its Role for Lignocellulose Waste Valorization |
| Year | 2021 |
| Published | Journal Of Fungi, 7, 5 |
| Abstract | As beta-glucosidases represent the major bottleneck for the industrial degradation of plant biomass, great efforts are being devoted to discover both novel and robust versions of these enzymes, as well as to develop efficient and inexpensive ways to produce them. In this work, raw glycerol from chemical production of biodiesel was tested as carbon source for the fungus Talaromyces amestolkiae with the aim of producing enzyme beta-glucosidase-enriched cocktails. Approximately 11 U/mL beta-glucosidase was detected in these cultures, constituting the major cellulolytic activity. Proteomic analysis showed BGL-3 as the most abundant protein and the main beta-glucosidase. This crude enzyme was successfully used to supplement a basal commercial cellulolytic cocktail (Celluclast 1.5 L) for saccharification of pretreated wheat straw, corroborating that even hardly exploitable industrial wastes, such as glycerol, can be used as secondary raw materials to produce valuable enzymatic preparations in a framework of the circular economy. |
| https://www.mdpi.com/2309-608X/7/5/363/pdf?version=1620371993 |
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