Largely enhanced bioethanol production through the combined use of lignin-modified sugarcane and xylose fermenting yeast strain

Title
Largely enhanced bioethanol production through the combined use of lignin-modified sugarcane and xylose fermenting yeast strain
Authors
이선미엄영순정제형고자경Fredy AltpeterBaskaran KannanHa Eun KimHyoung Heon KimHal S. Alper
Issue Date
2018-05
Publisher
Bioresource technology
Citation
VOL 256-320
Abstract
The recalcitrant structure of lignocellulosic biomass is a major barrier in efficient biomass-to-ethanol bioconversion processes. The combination of feedstock engineering via modification in the lignin synthesis pathway of sugarcane and co-fermentation of xylose and glucose with a recombinant xylose utilizing yeast strain produced 148% more ethanol compared to that of the wild type biomass and control strain. The lignin reduced biomass led to a substantially increased release of fermentable sugars (glucose and xylose). The engineered yeast strain efficiently co-utilized glucose and xylose for fermentation, elevating ethanol yields. In this study, it was experimentally demonstrated that the combined efforts of engineering both feedstock and microorganisms largely enhances the bioconversion of lignocellulosic feedstock to bioethanol. This strategy will significantly improve the economic feasibility of lignocellulosic biofuels production.
URI
http://pubs.kist.re.kr/handle/201004/67419
ISSN
0960-8524
Appears in Collections:
KIST Publication > Article
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