Production of cellulosic butyrate and 3-hydroxybutyrate in engineered Escherichia coli.
Identifieur interne : 000917 ( Main/Corpus ); précédent : 000916; suivant : 000918Production of cellulosic butyrate and 3-hydroxybutyrate in engineered Escherichia coli.
Auteurs : Dragan Miscevic ; Kajan Srirangan ; Teshager Kefale ; Daryoush Abedi ; Murray Moo-Young ; C Perry ChouSource :
- Applied microbiology and biotechnology [ 1432-0614 ] ; 2019.
English descriptors
- KwdEn :
- 3-Hydroxybutyric Acid (biosynthesis), Biomass (MeSH), Biotransformation (MeSH), Butyrates (metabolism), Escherichia coli (genetics), Escherichia coli (metabolism), Ethanol (MeSH), Fermentation (MeSH), Glucose (MeSH), Lignin (metabolism), Metabolic Engineering (methods), Metabolic Networks and Pathways (MeSH), Populus (MeSH), Xylose (MeSH).
- MESH :
- chemical , biosynthesis : 3-Hydroxybutyric Acid.
- chemical , metabolism : Butyrates, Lignin.
- genetics : Escherichia coli.
- metabolism : Escherichia coli.
- methods : Metabolic Engineering.
- Biomass, Biotransformation, Ethanol, Fermentation, Glucose, Metabolic Networks and Pathways, Populus, Xylose.
Abstract
Being the most abundant renewable organic substance on Earth, lignocellulosic biomass has acted as an attractive and cost-effective feedstock for biobased production of value-added products. However, lignocellulosic biomass should be properly treated for its effective utilization during biotransformation. The current work aimed to demonstrate biobased production of butyrate and 3-hydroxybutyrate (3-HB) in engineered Escherichia coli using pretreated and detoxified aspen tree (Populus tremuloides) wood chips as the feedstock. Various bioprocessing and genetic/metabolic factors limiting the production of cellulosic butyrate and 3-HB were identified. With these developed bioprocessing strategies and strain engineering approaches, major carbons in the hydrolysate, including glucose, xylose, and even acetate, could be completely dissimilated during shake-flask cultivation with up to 1.68 g L-1 butyrate, 8.95 g L-1 3-HB, and minimal side metabolites (i.e., acetate and ethanol) being obtained. Our results highlight the importance of consolidating bioprocess and genetic engineering strategies for effective biobased production from lignocellulosic biomass.
DOI: 10.1007/s00253-019-09815-x
PubMed: 31049621
Links to Exploration step
pubmed:31049621Le document en format XML
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<affiliation><nlm:affiliation>Department of Chemical Engineering, University of Waterloo, 200 University Avenue West, Waterloo, Ontario, N2L 3G1, Canada.</nlm:affiliation>
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<author><name sortKey="Srirangan, Kajan" sort="Srirangan, Kajan" uniqKey="Srirangan K" first="Kajan" last="Srirangan">Kajan Srirangan</name>
<affiliation><nlm:affiliation>Biotechnology Research Institute, National Research Council of Canada, Montreal, Quebec, H4P 2R2, Canada.</nlm:affiliation>
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<author><name sortKey="Kefale, Teshager" sort="Kefale, Teshager" uniqKey="Kefale T" first="Teshager" last="Kefale">Teshager Kefale</name>
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<author><name sortKey="Abedi, Daryoush" sort="Abedi, Daryoush" uniqKey="Abedi D" first="Daryoush" last="Abedi">Daryoush Abedi</name>
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<affiliation><nlm:affiliation>Department of Drug & Food Control, Tehran University of Medical Sciences, Tehran, Iran.</nlm:affiliation>
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<author><name sortKey="Moo Young, Murray" sort="Moo Young, Murray" uniqKey="Moo Young M" first="Murray" last="Moo-Young">Murray Moo-Young</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Production of cellulosic butyrate and 3-hydroxybutyrate in engineered Escherichia coli.</title>
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<affiliation><nlm:affiliation>Department of Drug & Food Control, Tehran University of Medical Sciences, Tehran, Iran.</nlm:affiliation>
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<author><name sortKey="Moo Young, Murray" sort="Moo Young, Murray" uniqKey="Moo Young M" first="Murray" last="Moo-Young">Murray Moo-Young</name>
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<series><title level="j">Applied microbiology and biotechnology</title>
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<term>Biomass (MeSH)</term>
<term>Biotransformation (MeSH)</term>
<term>Butyrates (metabolism)</term>
<term>Escherichia coli (genetics)</term>
<term>Escherichia coli (metabolism)</term>
<term>Ethanol (MeSH)</term>
<term>Fermentation (MeSH)</term>
<term>Glucose (MeSH)</term>
<term>Lignin (metabolism)</term>
<term>Metabolic Engineering (methods)</term>
<term>Metabolic Networks and Pathways (MeSH)</term>
<term>Populus (MeSH)</term>
<term>Xylose (MeSH)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="biosynthesis" xml:lang="en"><term>3-Hydroxybutyric Acid</term>
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<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Butyrates</term>
<term>Lignin</term>
</keywords>
<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Escherichia coli</term>
</keywords>
<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Escherichia coli</term>
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<keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Metabolic Engineering</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Biomass</term>
<term>Biotransformation</term>
<term>Ethanol</term>
<term>Fermentation</term>
<term>Glucose</term>
<term>Metabolic Networks and Pathways</term>
<term>Populus</term>
<term>Xylose</term>
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<front><div type="abstract" xml:lang="en">Being the most abundant renewable organic substance on Earth, lignocellulosic biomass has acted as an attractive and cost-effective feedstock for biobased production of value-added products. However, lignocellulosic biomass should be properly treated for its effective utilization during biotransformation. The current work aimed to demonstrate biobased production of butyrate and 3-hydroxybutyrate (3-HB) in engineered Escherichia coli using pretreated and detoxified aspen tree (Populus tremuloides) wood chips as the feedstock. Various bioprocessing and genetic/metabolic factors limiting the production of cellulosic butyrate and 3-HB were identified. With these developed bioprocessing strategies and strain engineering approaches, major carbons in the hydrolysate, including glucose, xylose, and even acetate, could be completely dissimilated during shake-flask cultivation with up to 1.68 g L<sup>-1</sup>
butyrate, 8.95 g L<sup>-1</sup>
3-HB, and minimal side metabolites (i.e., acetate and ethanol) being obtained. Our results highlight the importance of consolidating bioprocess and genetic engineering strategies for effective biobased production from lignocellulosic biomass.</div>
</front>
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<Abstract><AbstractText>Being the most abundant renewable organic substance on Earth, lignocellulosic biomass has acted as an attractive and cost-effective feedstock for biobased production of value-added products. However, lignocellulosic biomass should be properly treated for its effective utilization during biotransformation. The current work aimed to demonstrate biobased production of butyrate and 3-hydroxybutyrate (3-HB) in engineered Escherichia coli using pretreated and detoxified aspen tree (Populus tremuloides) wood chips as the feedstock. Various bioprocessing and genetic/metabolic factors limiting the production of cellulosic butyrate and 3-HB were identified. With these developed bioprocessing strategies and strain engineering approaches, major carbons in the hydrolysate, including glucose, xylose, and even acetate, could be completely dissimilated during shake-flask cultivation with up to 1.68 g L<sup>-1</sup>
butyrate, 8.95 g L<sup>-1</sup>
3-HB, and minimal side metabolites (i.e., acetate and ethanol) being obtained. Our results highlight the importance of consolidating bioprocess and genetic engineering strategies for effective biobased production from lignocellulosic biomass.</AbstractText>
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<Author ValidYN="Y"><LastName>Chou</LastName>
<ForeName>C Perry</ForeName>
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<Language>eng</Language>
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