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Hydrolytic potential of five fungal supernatants to enhance a commercial enzyme cocktail

Ausra Peciulyte (Institutionen för biologi och bioteknik, Industriell bioteknik) ; Maria Pisano (Institutionen för biologi och bioteknik) ; R. P. de Vries ; Lisbeth Olsson (Institutionen för biologi och bioteknik, Industriell bioteknik)
Biotechnology Letters (0141-5492). Vol. 39 (2017), 9, p. 1403-1411.
[Artikel, refereegranskad vetenskaplig]

To evaluate the potential of enzyme cocktails produced by five filamentous fungi to supplement the industrial cellulase cocktail, Celluclast 1.5L, in order to improve the efficiency of saccharification. The fungi were cultivated on wheat bran and the resulting supernatants were combined with Celluclast in enzymatic hydrolysis experiments to test their ability to hydrolyze wheat bran and five cellulose-rich substrates. The supernatant showing the best performance was that from an Aspergillus niger cellulase mutant. The addition of beta-glucosidase only to the Celluclast cocktail was not as beneficial. Supplementing commercial cocktails with enzymes from carefully selected fungi may result in significantly more efficient saccharification of lignocellulosic materials. Furthermore, such an approach could lead to the identification of novel enzyme activities crucial for saccharification.

Nyckelord: Aspergillus niger, Celluclast 1.5L, Cellulose, Saccharification, Trichoderma reesei, Wheat bran



Denna post skapades 2017-09-05.
CPL Pubid: 251627

 

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