Comparison of glucose/xylose cofermentation of poplar hydrolysates processed by different pretreatment technologies.
Identifieur interne : 003413 ( Main/Exploration ); précédent : 003412; suivant : 003414Comparison of glucose/xylose cofermentation of poplar hydrolysates processed by different pretreatment technologies.
Auteurs : Yulin Lu [États-Unis] ; Ryan Warner ; Miroslav Sedlak ; Nancy Ho ; Nathan S. MosierSource :
- Biotechnology progress [ 1520-6033 ]
Descripteurs français
- KwdFr :
- Acide acétique (composition chimique), Biomasse (MeSH), Biotechnologie (méthodes), Fermentation (MeSH), Furfural (composition chimique), Glucose (métabolisme), Hydrolyse (MeSH), Populus (composition chimique), Populus (métabolisme), Ressources de production d'énergie (MeSH), Saccharomyces cerevisiae (génétique), Saccharomyces cerevisiae (métabolisme), Xylose (métabolisme), Éthanol (métabolisme).
- MESH :
- composition chimique : Acide acétique, Furfural, Populus.
- génétique : Saccharomyces cerevisiae.
- métabolisme : Glucose, Populus, Saccharomyces cerevisiae, Xylose, Éthanol.
- méthodes : Biotechnologie.
- Biomasse, Fermentation, Hydrolyse, Ressources de production d'énergie.
English descriptors
- KwdEn :
- Acetic Acid (chemistry), Biomass (MeSH), Biotechnology (methods), Energy-Generating Resources (MeSH), Ethanol (metabolism), Fermentation (MeSH), Furaldehyde (chemistry), Glucose (metabolism), Hydrolysis (MeSH), Populus (chemistry), Populus (metabolism), Saccharomyces cerevisiae (genetics), Saccharomyces cerevisiae (metabolism), Xylose (metabolism).
- MESH :
- chemical , chemistry : Acetic Acid, Furaldehyde.
- chemical , metabolism : Ethanol, Glucose, Xylose.
- chemistry : Populus.
- genetics : Saccharomyces cerevisiae.
- metabolism : Populus, Saccharomyces cerevisiae.
- methods : Biotechnology.
- Biomass, Energy-Generating Resources, Fermentation, Hydrolysis.
Abstract
The inhibitory effects of furfural and acetic acid on the fermentation of xylose and glucose to ethanol in YEPDX medium by a recombinant Saccharomyces cerevisiae strain (LNH-ST 424A) were investigated. Initial furfural concentrations below 5 g/L caused negligible inhibition to glucose and xylose consumption rates in batch fermentations with high inoculum (4.5-6.0 g/L). At higher initial furfural concentrations (10-15 g/L) the inhibition became significant with xylose consumption rates especially affected. Interactive inhibition between acetic acid and pH were observed and quantified, and the results suggested the importance of conditioning the pH of hydrolysates for optimal fermentation performance. Poplar biomass pretreated by various CAFI processes (dilute acid, AFEX, ARP, SO(2)-catalyzed steam explosion, and controlled-pH) under respective optimal conditions was enzymatically hydrolyzed, and the mixed sugar streams in the hydrolysates were fermented. The 5-hydroxymethyl furfural (HMF) and furfural concentrations were low in all hydrolysates and did not pose negative effects on fermentation. Maximum ethanol productivity showed that 0-6.2 g/L initial acetic acid does not substantially affect the ethanol fermentation with proper pH adjustment, confirming the results from rich media fermentations with reagent grade sugars.
DOI: 10.1002/btpr.158
PubMed: 19319980
Affiliations:
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Mosier</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2009">2009 Mar-Apr</date><idno type="RBID">pubmed:19319980</idno><idno type="pmid">19319980</idno><idno type="doi">10.1002/btpr.158</idno><idno type="wicri:Area/Main/Corpus">003608</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">003608</idno><idno type="wicri:Area/Main/Curation">003608</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">003608</idno><idno type="wicri:Area/Main/Exploration">003608</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Comparison of glucose/xylose cofermentation of poplar hydrolysates processed by different pretreatment technologies.</title><author><name sortKey="Lu, Yulin" sort="Lu, Yulin" uniqKey="Lu Y" first="Yulin" last="Lu">Yulin Lu</name><affiliation wicri:level="2"><nlm:affiliation>Department of Agricultural and Biological Engineering, Purdue University, West Lafayette, IN 47907, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Agricultural and Biological Engineering, Purdue University, West Lafayette, IN 47907</wicri:regionArea><placeName><region type="state">Indiana</region></placeName></affiliation></author><author><name sortKey="Warner, Ryan" sort="Warner, Ryan" uniqKey="Warner R" first="Ryan" last="Warner">Ryan Warner</name></author><author><name sortKey="Sedlak, Miroslav" sort="Sedlak, Miroslav" uniqKey="Sedlak M" first="Miroslav" last="Sedlak">Miroslav Sedlak</name></author><author><name sortKey="Ho, Nancy" sort="Ho, Nancy" uniqKey="Ho N" first="Nancy" last="Ho">Nancy Ho</name></author><author><name sortKey="Mosier, Nathan S" sort="Mosier, Nathan S" uniqKey="Mosier N" first="Nathan S" last="Mosier">Nathan S. 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Initial furfural concentrations below 5 g/L caused negligible inhibition to glucose and xylose consumption rates in batch fermentations with high inoculum (4.5-6.0 g/L). At higher initial furfural concentrations (10-15 g/L) the inhibition became significant with xylose consumption rates especially affected. Interactive inhibition between acetic acid and pH were observed and quantified, and the results suggested the importance of conditioning the pH of hydrolysates for optimal fermentation performance. Poplar biomass pretreated by various CAFI processes (dilute acid, AFEX, ARP, SO(2)-catalyzed steam explosion, and controlled-pH) under respective optimal conditions was enzymatically hydrolyzed, and the mixed sugar streams in the hydrolysates were fermented. The 5-hydroxymethyl furfural (HMF) and furfural concentrations were low in all hydrolysates and did not pose negative effects on fermentation. Maximum ethanol productivity showed that 0-6.2 g/L initial acetic acid does not substantially affect the ethanol fermentation with proper pH adjustment, confirming the results from rich media fermentations with reagent grade sugars.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">19319980</PMID><DateCompleted><Year>2009</Year><Month>06</Month><Day>03</Day></DateCompleted><DateRevised><Year>2019</Year><Month>12</Month><Day>10</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1520-6033</ISSN><JournalIssue CitedMedium="Internet"><Volume>25</Volume><Issue>2</Issue><PubDate><MedlineDate>2009 Mar-Apr</MedlineDate></PubDate></JournalIssue><Title>Biotechnology progress</Title><ISOAbbreviation>Biotechnol Prog</ISOAbbreviation></Journal><ArticleTitle>Comparison of glucose/xylose cofermentation of poplar hydrolysates processed by different pretreatment technologies.</ArticleTitle><Pagination><MedlinePgn>349-56</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1002/btpr.158</ELocationID><Abstract><AbstractText>The inhibitory effects of furfural and acetic acid on the fermentation of xylose and glucose to ethanol in YEPDX medium by a recombinant Saccharomyces cerevisiae strain (LNH-ST 424A) were investigated. Initial furfural concentrations below 5 g/L caused negligible inhibition to glucose and xylose consumption rates in batch fermentations with high inoculum (4.5-6.0 g/L). At higher initial furfural concentrations (10-15 g/L) the inhibition became significant with xylose consumption rates especially affected. Interactive inhibition between acetic acid and pH were observed and quantified, and the results suggested the importance of conditioning the pH of hydrolysates for optimal fermentation performance. Poplar biomass pretreated by various CAFI processes (dilute acid, AFEX, ARP, SO(2)-catalyzed steam explosion, and controlled-pH) under respective optimal conditions was enzymatically hydrolyzed, and the mixed sugar streams in the hydrolysates were fermented. The 5-hydroxymethyl furfural (HMF) and furfural concentrations were low in all hydrolysates and did not pose negative effects on fermentation. Maximum ethanol productivity showed that 0-6.2 g/L initial acetic acid does not substantially affect the ethanol fermentation with proper pH adjustment, confirming the results from rich media fermentations with reagent grade sugars.</AbstractText><CopyrightInformation>(c) 2009 American Institute of Chemical Engineers Biotechnol.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Lu</LastName><ForeName>Yulin</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>Department of Agricultural and Biological Engineering, Purdue University, West Lafayette, IN 47907, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Warner</LastName><ForeName>Ryan</ForeName><Initials>R</Initials></Author><Author ValidYN="Y"><LastName>Sedlak</LastName><ForeName>Miroslav</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Ho</LastName><ForeName>Nancy</ForeName><Initials>N</Initials></Author><Author ValidYN="Y"><LastName>Mosier</LastName><ForeName>Nathan S</ForeName><Initials>NS</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D023362">Evaluation Study</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Biotechnol Prog</MedlineTA><NlmUniqueID>8506292</NlmUniqueID><ISSNLinking>1520-6033</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>3K9958V90M</RegistryNumber><NameOfSubstance UI="D000431">Ethanol</NameOfSubstance></Chemical><Chemical><RegistryNumber>A1TA934AKO</RegistryNumber><NameOfSubstance UI="D014994">Xylose</NameOfSubstance></Chemical><Chemical><RegistryNumber>DJ1HGI319P</RegistryNumber><NameOfSubstance 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cerevisiae</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014994" MajorTopicYN="N">Xylose</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2009</Year><Month>3</Month><Day>26</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2009</Year><Month>3</Month><Day>26</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2009</Year><Month>6</Month><Day>6</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">19319980</ArticleId><ArticleId IdType="doi">10.1002/btpr.158</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Indiana</li></region></list><tree><noCountry><name sortKey="Ho, Nancy" sort="Ho, Nancy" uniqKey="Ho N" first="Nancy" last="Ho">Nancy Ho</name><name sortKey="Mosier, Nathan S" sort="Mosier, Nathan S" uniqKey="Mosier N" first="Nathan S" last="Mosier">Nathan S. Mosier</name><name sortKey="Sedlak, Miroslav" sort="Sedlak, Miroslav" uniqKey="Sedlak M" first="Miroslav" last="Sedlak">Miroslav Sedlak</name><name sortKey="Warner, Ryan" sort="Warner, Ryan" uniqKey="Warner R" first="Ryan" last="Warner">Ryan Warner</name></noCountry><country name="États-Unis"><region name="Indiana"><name sortKey="Lu, Yulin" sort="Lu, Yulin" uniqKey="Lu Y" first="Yulin" last="Lu">Yulin Lu</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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