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- van Dijk, Marlous,1990Chalmers University of Technology (author)
Strain-dependent variance in short-term adaptation effects of two xylose-fermenting strains of Saccharomyces cerevisiae
- Article/chapterEnglish2019
Publisher, publication year, extent ...
- Elsevier BV,2019
- electronicrdacarrier
Numbers
- LIBRIS-ID:oai:research.chalmers.se:688a548a-32cb-48f6-aa40-3bd7f4f92e3f
- https://research.chalmers.se/publication/512418URI
- https://doi.org/10.1016/j.biortech.2019.121922DOI
- https://lup.lub.lu.se/record/00ac23bf-a7f4-470a-a013-64390bc04071URI
Supplementary language notes
- Language:English
- Summary in:English
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Notes
- The limited tolerance of Saccharomyces cerevisiae to the inhibitors present in lignocellulosic hydrolysates is a major challenge in second-generation bioethanol production. Short-term adaptation of the yeast to lignocellulosic hydrolysates during cell propagation has been shown to improve its tolerance, and thus its performance in lignocellulose fermentation. The aim of this study was to investigate the short-term adaptation effects in yeast strains with different genetic backgrounds. Fed-batch propagation cultures were supplemented with 40% wheat straw hydrolysate during the feed phase to adapt two different pentose-fermenting strains, CR01 and KE6-12. The harvested cells were used to inoculate fermentation media containing 80% or 90% wheat straw hydrolysate. The specific ethanol productivity during fermentation was up to 3.6 times higher for CR01 and 1.6 times higher for KE6-12 following adaptation. The influence of physiological parameters such as viability, storage carbohydrate content, and metabolite yields following short-term adaptation demonstrated that short-term adaptation was strain dependent.
Subject headings and genre
- NATURVETENSKAP Biologi Mikrobiologi hsv//swe
- NATURAL SCIENCES Biological Sciences Microbiology hsv//eng
- TEKNIK OCH TEKNOLOGIER Industriell bioteknik Biokatalys och enzymteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Industrial Biotechnology Biocatalysis and Enzyme Technology hsv//eng
- TEKNIK OCH TEKNOLOGIER Industriell bioteknik Annan industriell bioteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Industrial Biotechnology Other Industrial Biotechnology hsv//eng
- TEKNIK OCH TEKNOLOGIER Industriell bioteknik Bioenergi hsv//swe
- ENGINEERING AND TECHNOLOGY Industrial Biotechnology Bioenergy hsv//eng
- Short-term adaptation
- Inhibition
- Wheat straw hydrolysate
- Industrial Saccharomyces cerevisiae strains
- Ethanol
- Ethanol
- Industrial Saccharomyces cerevisiae strains
- Inhibition
- Short-term adaptation
- Wheat straw hydrolysate
Added entries (persons, corporate bodies, meetings, titles ...)
- Erdei, BorbálaLund University,Lunds universitet,Avdelningen för kemiteknik,Institutionen för processteknik och tillämpad biovetenskap,Institutioner vid LTH,Lunds Tekniska Högskola,Division of Chemical Engineering,Department of Process and Life Science Engineering,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)chem-bae (author)
- Galbe, MatsLund University,Lunds universitet,Avdelningen för kemiteknik,Institutionen för processteknik och tillämpad biovetenskap,Institutioner vid LTH,Lunds Tekniska Högskola,Division of Chemical Engineering,Department of Process and Life Science Engineering,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)kat-mga (author)
- Nygård, Yvonne,1986Chalmers University of Technology(Swepub:cth)nygardy (author)
- Olsson, Lisbeth,1963Chalmers University of Technology(Swepub:cth)lisbetho (author)
- Chalmers University of TechnologyAvdelningen för kemiteknik (creator_code:org_t)
Related titles
- In:Bioresource technology: Elsevier BV292, s. 121922-0960-85241873-2976
Internet link
- https://research.chalmers.se/publication/512418/file/512418_Fulltext.pdfFULLTEXT
- https://doi.org/10.1016/j.biortech.2019.121922
- http://dx.doi.org/10.1016/j.biortech.2019.121922FULLTEXT
- https://research.chalmers.se/publication/512418
- https://doi.org/10.1016/j.biortech.2019.121922
- https://lup.lub.lu.se/record/00ac23bf-a7f4-470a-a013-64390bc04071
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