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Stress-related challenges in pentose fermentation to ethanol by the yeast Saccharomyces cerevisiae.

Almeida, Joao LU ; Runquist, David LU ; Sanchez Nogue, Violeta LU ; Lidén, Gunnar LU and Gorwa-Grauslund, Marie-Francoise LU (2011) In Biotechnology Journal 6. p.286-299
Abstract
Conversion of agricultural residues, energy crops and forest residues into bioethanol requires hydrolysis of the biomass and fermentation of the released sugars. During the hydrolysis of the hemicellulose fraction, substantial amounts of pentose sugars, in particular xylose, are released. Fermentation of these pentose sugars to ethanol by engineered Saccharomyces cerevisiae under industrial process conditions is the subject of this review. First, fermentation challenges originating from the main steps of ethanol production from lignocellulosic feedstocks are discussed, followed by genetic modifications that have been implemented in S. cerevisiae to obtain xylose and arabinose fermenting capacity per se. Finally, the fermentation of a real... (More)
Conversion of agricultural residues, energy crops and forest residues into bioethanol requires hydrolysis of the biomass and fermentation of the released sugars. During the hydrolysis of the hemicellulose fraction, substantial amounts of pentose sugars, in particular xylose, are released. Fermentation of these pentose sugars to ethanol by engineered Saccharomyces cerevisiae under industrial process conditions is the subject of this review. First, fermentation challenges originating from the main steps of ethanol production from lignocellulosic feedstocks are discussed, followed by genetic modifications that have been implemented in S. cerevisiae to obtain xylose and arabinose fermenting capacity per se. Finally, the fermentation of a real lignocellulosic medium is discussed in terms of inhibitory effects of furaldehydes, phenolics and weak acids and the presence of contaminating microbiota. (Less)
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author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Biotechnology Journal
volume
6
pages
286 - 299
publisher
John Wiley and Sons
external identifiers
  • wos:000288035100004
  • pmid:21305697
  • scopus:79952181277
  • pmid:21305697
ISSN
1860-6768
DOI
10.1002/biot.201000301
language
English
LU publication?
yes
id
387338a3-694a-4d44-88e4-c4277ebf504c (old id 1832109)
date added to LUP
2016-04-01 11:15:41
date last changed
2021-09-22 02:14:13
@article{387338a3-694a-4d44-88e4-c4277ebf504c,
  abstract     = {Conversion of agricultural residues, energy crops and forest residues into bioethanol requires hydrolysis of the biomass and fermentation of the released sugars. During the hydrolysis of the hemicellulose fraction, substantial amounts of pentose sugars, in particular xylose, are released. Fermentation of these pentose sugars to ethanol by engineered Saccharomyces cerevisiae under industrial process conditions is the subject of this review. First, fermentation challenges originating from the main steps of ethanol production from lignocellulosic feedstocks are discussed, followed by genetic modifications that have been implemented in S. cerevisiae to obtain xylose and arabinose fermenting capacity per se. Finally, the fermentation of a real lignocellulosic medium is discussed in terms of inhibitory effects of furaldehydes, phenolics and weak acids and the presence of contaminating microbiota.},
  author       = {Almeida, Joao and Runquist, David and Sanchez Nogue, Violeta and Lidén, Gunnar and Gorwa-Grauslund, Marie-Francoise},
  issn         = {1860-6768},
  language     = {eng},
  pages        = {286--299},
  publisher    = {John Wiley and Sons},
  series       = {Biotechnology Journal},
  title        = {Stress-related challenges in pentose fermentation to ethanol by the yeast Saccharomyces cerevisiae.},
  url          = {http://dx.doi.org/10.1002/biot.201000301},
  doi          = {10.1002/biot.201000301},
  volume       = {6},
  year         = {2011},
}