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Using Comparative Genomics in Saccha...
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The University of Wisconsin - Madison.
Using Comparative Genomics in Saccharomyces cerevisiae to Engineer Lignocellulosic Hydrolysate Tolerance.
紀錄類型:
書目-語言資料,印刷品 : Monograph/item
正題名/作者:
Using Comparative Genomics in Saccharomyces cerevisiae to Engineer Lignocellulosic Hydrolysate Tolerance./
作者:
Sardi, Maria Isabel.
出版者:
Ann Arbor : ProQuest Dissertations & Theses, : 2017,
面頁冊數:
195 p.
附註:
Source: Dissertation Abstracts International, Volume: 78-12(E), Section: B.
Contained By:
Dissertation Abstracts International78-12B(E).
標題:
Microbiology. -
電子資源:
http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10602315
ISBN:
9780355098358
Using Comparative Genomics in Saccharomyces cerevisiae to Engineer Lignocellulosic Hydrolysate Tolerance.
Sardi, Maria Isabel.
Using Comparative Genomics in Saccharomyces cerevisiae to Engineer Lignocellulosic Hydrolysate Tolerance.
- Ann Arbor : ProQuest Dissertations & Theses, 2017 - 195 p.
Source: Dissertation Abstracts International, Volume: 78-12(E), Section: B.
Thesis (Ph.D.)--The University of Wisconsin - Madison, 2017.
The increased interest in alternative fuels is driving the development of more efficient and economical production of biofuels. This requires the use of non-food based plant biomass to produce advanced biofuels such as butanol and isobutanol. A major challenge of implementing this new energy source is that the chemically treated plant material, known as lignocellulosic hydrolysate, contains a variety of toxic compounds that affect fermenting microbes, decreasing the economic efficiency of lignocellulosic biofuel production. In addition, butanol and isobutanol are toxic even at small concentrations, making end product toxicity a significant limiting factor. In this thesis, we report the use of multiple genomic strategies to identify mechanisms of toxicity and tolerance that can be then use to engineer tolerance into industrially relevant microbes. First, by comparing and contrasting the transcriptional responses of tolerant and sensitive Saccharomyces cerevisiae strains exposed to these stresses, we identified primary toxin targets and their effects on cellular physiology. Second, we explored genetic differences among strains to performed a genome wide association study that identified genetic variants correlated with tolerance to plant hydrolysate. By applying multiple genomic methods and integrating the results, we identified strategies for improving tolerance to the stresses found in the production of advanced biofuels from plant hydrolysate and identified large effects of genetic background on phenotypic outcome, which highlights challenges in predicting the most beneficial engineering strategies for each specific strain.
ISBN: 9780355098358Subjects--Topical Terms:
591510
Microbiology.
Using Comparative Genomics in Saccharomyces cerevisiae to Engineer Lignocellulosic Hydrolysate Tolerance.
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