Saccharification of pumpkin residues by coculturing of Trichoderma reesei RUT-C30 and Phanerochaete chrysosporium Burdsall with delayed inoculation timing.
Identifieur interne : 000364 ( Main/Exploration ); précédent : 000363; suivant : 000365Saccharification of pumpkin residues by coculturing of Trichoderma reesei RUT-C30 and Phanerochaete chrysosporium Burdsall with delayed inoculation timing.
Auteurs : Rui Yang [République populaire de Chine] ; Demei Meng ; Xiaosong Hu ; Yuanying Ni ; Quanhong LiSource :
- Journal of agricultural and food chemistry [ 1520-5118 ] ; 2013.
Descripteurs français
- KwdFr :
- Biocarburants (MeSH), Cellulase (métabolisme), Cellulases (métabolisme), Cucurbita (microbiologie), Microbiologie industrielle (MeSH), Métabolisme glucidique (MeSH), Peroxidases (métabolisme), Phanerochaete (enzymologie), Phanerochaete (métabolisme), Protéines fongiques (métabolisme), Trichoderma (enzymologie), Trichoderma (métabolisme), bêta-Glucosidase (métabolisme).
- MESH :
- enzymologie : Phanerochaete, Trichoderma.
- microbiologie : Cucurbita.
- métabolisme : Cellulase, Cellulases, Peroxidases, Phanerochaete, Protéines fongiques, Trichoderma, bêta-Glucosidase.
- Biocarburants, Microbiologie industrielle, Métabolisme glucidique.
English descriptors
- KwdEn :
- Biofuels (MeSH), Carbohydrate Metabolism (MeSH), Cellulase (metabolism), Cellulases (metabolism), Cucurbita (microbiology), Fungal Proteins (metabolism), Industrial Microbiology (MeSH), Peroxidases (metabolism), Phanerochaete (enzymology), Phanerochaete (metabolism), Trichoderma (enzymology), Trichoderma (metabolism), beta-Glucosidase (metabolism).
- MESH :
- chemical , metabolism : Cellulase, Cellulases, Fungal Proteins, Peroxidases, beta-Glucosidase.
- chemical : Biofuels.
- enzymology : Phanerochaete, Trichoderma.
- metabolism : Phanerochaete, Trichoderma.
- microbiology : Cucurbita.
- Carbohydrate Metabolism, Industrial Microbiology.
Abstract
Trichoderma reesei and Phanerochaete chrysosporium with different lignocellulose-degrading enzyme systems have received much attention due to their ability to biodegrade lignocellulosic biomass. However, the synergistic effect of the two fungi on lignocellulose degradation is unknown. Herein, a cocultivation of T. reesei RUT-C30 and P. chrysosporium Burdsall for biodegradation of lignocellulosic pumpkin residues (PRS) was developed to produce soluble saccharide. Results indicated that a cocultivation of the two fungi with P. chrysosporium Burdsall inoculation delayed for 1.5 days produced the highest saccharide yield of 53.08% (w/w), and only 20.83% (w/w) of PRS were left after one batch of fermentation. In addition, this strategy increased the activities of secreted cellulases (endoglucanase, cellobiohydrolase, and β-glucosidase) and ligninases (lignin peroxidase and manganese peroxidase), which correlated to the increased saccharide yield. Besides, the resulting monosaccharides including glucose (1.23 mg/mL), xylose (0.13 mg/mL), arabinose (0.46 mg/mL), and fructose (0.21 mg/mL) from cocultures exhibited much higher yields than those from monoculture, which provides basal information for further fermentation research. This bioconversion of PRS into soluble sugars by cocultured fungal species provides a low cost method based on lignocellulose for potential biofuels or other bioproduct production.
DOI: 10.1021/jf402199j
PubMed: 24020787
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<front><div type="abstract" xml:lang="en">Trichoderma reesei and Phanerochaete chrysosporium with different lignocellulose-degrading enzyme systems have received much attention due to their ability to biodegrade lignocellulosic biomass. However, the synergistic effect of the two fungi on lignocellulose degradation is unknown. Herein, a cocultivation of T. reesei RUT-C30 and P. chrysosporium Burdsall for biodegradation of lignocellulosic pumpkin residues (PRS) was developed to produce soluble saccharide. Results indicated that a cocultivation of the two fungi with P. chrysosporium Burdsall inoculation delayed for 1.5 days produced the highest saccharide yield of 53.08% (w/w), and only 20.83% (w/w) of PRS were left after one batch of fermentation. In addition, this strategy increased the activities of secreted cellulases (endoglucanase, cellobiohydrolase, and β-glucosidase) and ligninases (lignin peroxidase and manganese peroxidase), which correlated to the increased saccharide yield. Besides, the resulting monosaccharides including glucose (1.23 mg/mL), xylose (0.13 mg/mL), arabinose (0.46 mg/mL), and fructose (0.21 mg/mL) from cocultures exhibited much higher yields than those from monoculture, which provides basal information for further fermentation research. This bioconversion of PRS into soluble sugars by cocultured fungal species provides a low cost method based on lignocellulose for potential biofuels or other bioproduct production. </div>
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