Co-utilization of L-arabinose and D-xylose by laboratory and industrial <it<Saccharomyces cerevisiae </it<strains

<p<Abstract</p< <p<Background</p< <p<Fermentation of lignocellulosic biomass is an attractive alternative for the production of bioethanol. Traditionally, the yeast <it<Saccharomyces cerevisiae </it<is used in industrial ethanol fermentations. However, <i...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Boles Eckhard [verfasserIn] Hahn-Hägerdal Bärbel [verfasserIn] Wiedemann Beate [verfasserIn] Karhumaa Kaisa [verfasserIn] Gorwa-Grauslund Marie-F [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2006

Übergeordnetes Werk:	In: Microbial Cell Factories - BMC, 2003, 5(2006), 1, p 18
Übergeordnetes Werk:	volume:5 ; year:2006 ; number:1, p 18

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1186/1475-2859-5-18

Katalog-ID:	DOAJ058678239

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allfieldsSound	10.1186/1475-2859-5-18 doi (DE-627)DOAJ058678239 (DE-599)DOAJ51a7afb5b02c45b089ba44b1bba9c9d2 DE-627 ger DE-627 rakwb eng QR1-502 Boles Eckhard verfasserin aut Co-utilization of L-arabinose and D-xylose by laboratory and industrial <it<Saccharomyces cerevisiae </it<strains 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<Abstract</p< <p<Background</p< <p<Fermentation of lignocellulosic biomass is an attractive alternative for the production of bioethanol. Traditionally, the yeast <it<Saccharomyces cerevisiae </it<is used in industrial ethanol fermentations. However, <it<S. cerevisiae </it<is naturally not able to ferment the pentose sugars D-xylose and L-arabinose, which are present in high amounts in lignocellulosic raw materials.</p< <p<Results</p< <p<We describe the engineering of laboratory and industrial <it<S. cerevisiae </it<strains to co-ferment the pentose sugars D-xylose and L-arabinose. Introduction of a fungal xylose and a bacterial arabinose pathway resulted in strains able to grow on both pentose sugars. Introduction of a xylose pathway into an arabinose-fermenting laboratory strain resulted in nearly complete conversion of arabinose into arabitol due to the L-arabinose reductase activity of the xylose reductase. The industrial strain displayed lower arabitol yield and increased ethanol yield from xylose and arabinose.</p< <p<Conclusion</p< <p<Our work demonstrates simultaneous co-utilization of xylose and arabinose in recombinant strains of <it<S. cerevisiae</it<. In addition, the co-utilization of arabinose together with xylose significantly reduced formation of the by-product xylitol, which contributed to improved ethanol production.</p< Microbiology Hahn-Hägerdal Bärbel verfasserin aut Wiedemann Beate verfasserin aut Karhumaa Kaisa verfasserin aut Gorwa-Grauslund Marie-F verfasserin aut In Microbial Cell Factories BMC, 2003 5(2006), 1, p 18 (DE-627)355987651 (DE-600)2091377-1 14752859 nnns volume:5 year:2006 number:1, p 18 https://doi.org/10.1186/1475-2859-5-18 kostenfrei https://doaj.org/article/51a7afb5b02c45b089ba44b1bba9c9d2 kostenfrei http://www.microbialcellfactories.com/content/5/1/18 kostenfrei https://doaj.org/toc/1475-2859 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 5 2006 1, p 18
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author	Boles Eckhard
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topic_title	QR1-502 Co-utilization of L-arabinose and D-xylose by laboratory and industrial <it<Saccharomyces cerevisiae </it<strains
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title	Co-utilization of L-arabinose and D-xylose by laboratory and industrial <it<Saccharomyces cerevisiae </it<strains
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title_full	Co-utilization of L-arabinose and D-xylose by laboratory and industrial <it<Saccharomyces cerevisiae </it<strains
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author_browse	Boles Eckhard Hahn-Hägerdal Bärbel Wiedemann Beate Karhumaa Kaisa Gorwa-Grauslund Marie-F
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title_sort	co-utilization of l-arabinose and d-xylose by laboratory and industrial <it<saccharomyces cerevisiae </it<strains
callnumber	QR1-502
title_auth	Co-utilization of L-arabinose and D-xylose by laboratory and industrial <it<Saccharomyces cerevisiae </it<strains
abstract	<p<Abstract</p< <p<Background</p< <p<Fermentation of lignocellulosic biomass is an attractive alternative for the production of bioethanol. Traditionally, the yeast <it<Saccharomyces cerevisiae </it<is used in industrial ethanol fermentations. However, <it<S. cerevisiae </it<is naturally not able to ferment the pentose sugars D-xylose and L-arabinose, which are present in high amounts in lignocellulosic raw materials.</p< <p<Results</p< <p<We describe the engineering of laboratory and industrial <it<S. cerevisiae </it<strains to co-ferment the pentose sugars D-xylose and L-arabinose. Introduction of a fungal xylose and a bacterial arabinose pathway resulted in strains able to grow on both pentose sugars. Introduction of a xylose pathway into an arabinose-fermenting laboratory strain resulted in nearly complete conversion of arabinose into arabitol due to the L-arabinose reductase activity of the xylose reductase. The industrial strain displayed lower arabitol yield and increased ethanol yield from xylose and arabinose.</p< <p<Conclusion</p< <p<Our work demonstrates simultaneous co-utilization of xylose and arabinose in recombinant strains of <it<S. cerevisiae</it<. In addition, the co-utilization of arabinose together with xylose significantly reduced formation of the by-product xylitol, which contributed to improved ethanol production.</p<
abstractGer	<p<Abstract</p< <p<Background</p< <p<Fermentation of lignocellulosic biomass is an attractive alternative for the production of bioethanol. Traditionally, the yeast <it<Saccharomyces cerevisiae </it<is used in industrial ethanol fermentations. However, <it<S. cerevisiae </it<is naturally not able to ferment the pentose sugars D-xylose and L-arabinose, which are present in high amounts in lignocellulosic raw materials.</p< <p<Results</p< <p<We describe the engineering of laboratory and industrial <it<S. cerevisiae </it<strains to co-ferment the pentose sugars D-xylose and L-arabinose. Introduction of a fungal xylose and a bacterial arabinose pathway resulted in strains able to grow on both pentose sugars. Introduction of a xylose pathway into an arabinose-fermenting laboratory strain resulted in nearly complete conversion of arabinose into arabitol due to the L-arabinose reductase activity of the xylose reductase. The industrial strain displayed lower arabitol yield and increased ethanol yield from xylose and arabinose.</p< <p<Conclusion</p< <p<Our work demonstrates simultaneous co-utilization of xylose and arabinose in recombinant strains of <it<S. cerevisiae</it<. In addition, the co-utilization of arabinose together with xylose significantly reduced formation of the by-product xylitol, which contributed to improved ethanol production.</p<
abstract_unstemmed	<p<Abstract</p< <p<Background</p< <p<Fermentation of lignocellulosic biomass is an attractive alternative for the production of bioethanol. Traditionally, the yeast <it<Saccharomyces cerevisiae </it<is used in industrial ethanol fermentations. However, <it<S. cerevisiae </it<is naturally not able to ferment the pentose sugars D-xylose and L-arabinose, which are present in high amounts in lignocellulosic raw materials.</p< <p<Results</p< <p<We describe the engineering of laboratory and industrial <it<S. cerevisiae </it<strains to co-ferment the pentose sugars D-xylose and L-arabinose. Introduction of a fungal xylose and a bacterial arabinose pathway resulted in strains able to grow on both pentose sugars. Introduction of a xylose pathway into an arabinose-fermenting laboratory strain resulted in nearly complete conversion of arabinose into arabitol due to the L-arabinose reductase activity of the xylose reductase. The industrial strain displayed lower arabitol yield and increased ethanol yield from xylose and arabinose.</p< <p<Conclusion</p< <p<Our work demonstrates simultaneous co-utilization of xylose and arabinose in recombinant strains of <it<S. cerevisiae</it<. In addition, the co-utilization of arabinose together with xylose significantly reduced formation of the by-product xylitol, which contributed to improved ethanol production.</p<
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title_short	Co-utilization of L-arabinose and D-xylose by laboratory and industrial <it<Saccharomyces cerevisiae </it<strains
url	https://doi.org/10.1186/1475-2859-5-18 https://doaj.org/article/51a7afb5b02c45b089ba44b1bba9c9d2 http://www.microbialcellfactories.com/content/5/1/18 https://doaj.org/toc/1475-2859
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Co-utilization of L-arabinose and D-xylose by laboratory and industrial <it<Saccharomyces cerevisiae </it<strains

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