ArticleJournal of industrial microbiology & biotechnology2019
Mild hydrothermal pretreatment of sugarcane bagasse enhances the production of holocellulases by Aspergillus niger.
Article in Journal of industrial microbiology & biotechnology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 7 citations in OpenAlex.
- Subcritical Water Pretreatment for the Efficient Valorization of Sorghum Distillery Residue for the Biorefinery Platform.Bioengineering (Basel, Switzerland) · 2022Article
- Characterization of a GH5 endoxylanase from Penicillium funiculosum and its synergism with GH16 endo-1,3(4)-glucanase in saccharification of sugarcane bagasse.Scientific reports · 2022Article
- Accessory enzymes of hypercellulolytic Penicillium funiculosum facilitate complete saccharification of sugarcane bagasse.Biotechnology for biofuels · 2021Article
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Holocellulase production by Aspergillus niger using raw sugarcane bagasse (rSCB) as the enzyme-inducing substrate is hampered by the intrinsic recalcitrance of this material. Here we report that mild hydrothermal pretreatment of rSCB increases holocellulase secretion by A. niger. Quantitative proteomic analysis revealed that pretreated solids (PS) induced a pronounced up-regulation of endoglucanases and cellobiohydrolases compared to rSCB, which resulted in a 10.1-fold increase in glucose release during SCB saccharification. The combined use of PS and pretreatment liquor (PL), referred to as whole pretreated slurry (WPS), as carbon source induced a more balanced up-regulation of cellulases, hemicellulases and pectinases and resulted in the highest increase (4.8-fold) in the release of total reducing sugars from SCB. The use of PL as the sole carbon source induced the modulation of A. niger's secretome towards hemicellulose degradation. Mild pretreatment allowed the use of PL in downstream biological operations without the need for undesirable detoxification steps.
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