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Challenges and advances in the heterologous expression of cellulolytic enzymes: A review

 
: Lambertz, C.; Garvey, M.; Klinger, J.; Heesel, D.; Klose, H.; Fischer, R.; Commandeur, U.

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Postprint (1.5 MByte; PDF; )

Biotechnology for biofuels. Online journal 7 (2014), No.1, Art.135, 15 pp.
http://www.biotechnologyforbiofuels.com/home
ISSN: 1754-6834
Bundesministerium für Bildung und Forschung BMBF
0315487A-C; BioEnergie 2021
English
Journal Article, Electronic Publication
Fraunhofer IME ()

Abstract
Second generation biofuel development is increasingly reliant on the recombinant expression of cellulases. Designing or identifying successful expression systems is thus of preeminent importance to industrial progress in the field. Recombinant production of cellulases has been performed using a wide range of expression systems in bacteria, yeasts and plants. In a number of these systems, particularly when using bacteria and plants, significant challenges have been experienced in expressing full-length proteins or proteins at high yield. Further difficulties have been encountered in designing recombinant systems for surface-display of cellulases and for use in consolidated bioprocessing in bacteria and yeast. For establishing cellulase expression in plants, various strategies are utilized to overcome problems, such as the auto-hydrolysis of developing plant cell walls. In this review, we investigate the major challenges, as well as the major advances made to date in the recombinant expression of cellulases across the commonly used bacterial, plant and yeast systems. We review some of the critical aspects to be considered for industrial-scale cellulase production.

: http://publica.fraunhofer.de/documents/N-319639.html