Bioconversion of Poplar Wood Hemicellulose Prehydrolysate to Microbial Oil Using Cryptococcus curvatus.
Identifieur interne : 000B04 ( Main/Exploration ); précédent : 000B03; suivant : 000B05Bioconversion of Poplar Wood Hemicellulose Prehydrolysate to Microbial Oil Using Cryptococcus curvatus.
Auteurs : Mahdieh Samavi [Canada] ; Bijaya Kumar Uprety [Canada] ; Sudip Rakshit [Canada]Source :
- Applied biochemistry and biotechnology [ 1559-0291 ] ; 2019.
Descripteurs français
- KwdFr :
- MESH :
- composition chimique : Bois, Polyosides.
- croissance et développement : Cryptococcus.
- métabolisme : Huiles, Polyosides.
- Biomasse.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Polysaccharides.
- chemical , metabolism : Oils, Polysaccharides.
- chemistry : Wood.
- growth & development : Cryptococcus.
- Biomass.
Abstract
Poplar wood hemicellulose prehydrolysate was used for microbial oil production using an oleaginous microorganism Cryptococcus curvatus. Initially, the effect of substrate concentration and nitrogen content was investigated on synthetic media. Then poplar wood prehydrolysate without detoxification was used as substrate in the fermentation. The result showed that this strain is capable of consuming both hexose and pentose sugars, a challenge in fermentation of hemicellulosic streams. It was able to accumulate 36.98% of lipid and the fermentation resulted in 13.78 g/L of biomass and 5.13 g/L of lipid under optimum conditions after 164 h of fermentation. The lipid product obtained was characterized in terms of their fatty acid profiles. Overall, this study shows that it is possible to produce microbial oil from a sustainable renewable feedstock like poplar wood hemicellulose prehydrolysate. This robust strain used has the ability to grow on industrially produced hemicellulose which can help in the development of an integrated biorefinery, where all the three components of lignocellulosic biomass are utilized.
DOI: 10.1007/s12010-019-03032-y
PubMed: 31077029
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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xml:lang="fr">Canada</country><wicri:regionArea>Department of Biotechnology, Lakehead University, Thunder Bay, Ontario</wicri:regionArea><wicri:noRegion>Ontario</wicri:noRegion></affiliation></author><author><name sortKey="Rakshit, Sudip" sort="Rakshit, Sudip" uniqKey="Rakshit S" first="Sudip" last="Rakshit">Sudip Rakshit</name><affiliation wicri:level="1"><nlm:affiliation>Department of Biotechnology, Lakehead University, Thunder Bay, Ontario, Canada. srakshit@lakeheadu.ca.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Biotechnology, Lakehead University, Thunder Bay, Ontario</wicri:regionArea><wicri:noRegion>Ontario</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Department of Chemical Engineering, Lakehead University, Thunder Bay, Ontario, Canada. srakshit@lakeheadu.ca.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Chemical Engineering, Lakehead University, Thunder Bay, 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wicri:level="1"><nlm:affiliation>Department of Biotechnology, Lakehead University, Thunder Bay, Ontario, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Biotechnology, Lakehead University, Thunder Bay, Ontario</wicri:regionArea><wicri:noRegion>Ontario</wicri:noRegion></affiliation></author><author><name sortKey="Uprety, Bijaya Kumar" sort="Uprety, Bijaya Kumar" uniqKey="Uprety B" first="Bijaya Kumar" last="Uprety">Bijaya Kumar Uprety</name><affiliation wicri:level="1"><nlm:affiliation>Department of Biotechnology, Lakehead University, Thunder Bay, Ontario, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Biotechnology, Lakehead University, Thunder Bay, Ontario</wicri:regionArea><wicri:noRegion>Ontario</wicri:noRegion></affiliation></author><author><name sortKey="Rakshit, Sudip" sort="Rakshit, Sudip" uniqKey="Rakshit S" first="Sudip" last="Rakshit">Sudip Rakshit</name><affiliation wicri:level="1"><nlm:affiliation>Department of Biotechnology, Lakehead University, Thunder Bay, Ontario, Canada. srakshit@lakeheadu.ca.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Biotechnology, Lakehead University, Thunder Bay, Ontario</wicri:regionArea><wicri:noRegion>Ontario</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Department of Chemical Engineering, Lakehead University, Thunder Bay, Ontario, Canada. srakshit@lakeheadu.ca.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Chemical Engineering, Lakehead University, Thunder Bay, Ontario</wicri:regionArea><wicri:noRegion>Ontario</wicri:noRegion></affiliation></author></analytic><series><title level="j">Applied biochemistry and biotechnology</title><idno type="eISSN">1559-0291</idno><imprint><date when="2019" type="published">2019</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biomass (MeSH)</term><term>Cryptococcus (growth & development)</term><term>Oils (metabolism)</term><term>Polysaccharides (chemistry)</term><term>Polysaccharides (metabolism)</term><term>Wood (chemistry)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Biomasse (MeSH)</term><term>Bois (composition chimique)</term><term>Cryptococcus (croissance et développement)</term><term>Huiles (métabolisme)</term><term>Polyosides (composition chimique)</term><term>Polyosides (métabolisme)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Polysaccharides</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Oils</term><term>Polysaccharides</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Wood</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Bois</term><term>Polyosides</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Cryptococcus</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Cryptococcus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Huiles</term><term>Polyosides</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomass</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Biomasse</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Poplar wood hemicellulose prehydrolysate was used for microbial oil production using an oleaginous microorganism Cryptococcus curvatus. Initially, the effect of substrate concentration and nitrogen content was investigated on synthetic media. Then poplar wood prehydrolysate without detoxification was used as substrate in the fermentation. The result showed that this strain is capable of consuming both hexose and pentose sugars, a challenge in fermentation of hemicellulosic streams. It was able to accumulate 36.98% of lipid and the fermentation resulted in 13.78 g/L of biomass and 5.13 g/L of lipid under optimum conditions after 164 h of fermentation. The lipid product obtained was characterized in terms of their fatty acid profiles. Overall, this study shows that it is possible to produce microbial oil from a sustainable renewable feedstock like poplar wood hemicellulose prehydrolysate. This robust strain used has the ability to grow on industrially produced hemicellulose which can help in the development of an integrated biorefinery, where all the three components of lignocellulosic biomass are utilized.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">31077029</PMID><DateCompleted><Year>2019</Year><Month>11</Month><Day>21</Day></DateCompleted><DateRevised><Year>2019</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1559-0291</ISSN><JournalIssue CitedMedium="Internet"><Volume>189</Volume><Issue>2</Issue><PubDate><Year>2019</Year><Month>Oct</Month></PubDate></JournalIssue><Title>Applied biochemistry and biotechnology</Title><ISOAbbreviation>Appl Biochem Biotechnol</ISOAbbreviation></Journal><ArticleTitle>Bioconversion of Poplar Wood Hemicellulose Prehydrolysate to Microbial Oil Using Cryptococcus curvatus.</ArticleTitle><Pagination><MedlinePgn>626-637</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s12010-019-03032-y</ELocationID><Abstract><AbstractText>Poplar wood hemicellulose prehydrolysate was used for microbial oil production using an oleaginous microorganism Cryptococcus curvatus. Initially, the effect of substrate concentration and nitrogen content was investigated on synthetic media. Then poplar wood prehydrolysate without detoxification was used as substrate in the fermentation. The result showed that this strain is capable of consuming both hexose and pentose sugars, a challenge in fermentation of hemicellulosic streams. It was able to accumulate 36.98% of lipid and the fermentation resulted in 13.78 g/L of biomass and 5.13 g/L of lipid under optimum conditions after 164 h of fermentation. The lipid product obtained was characterized in terms of their fatty acid profiles. Overall, this study shows that it is possible to produce microbial oil from a sustainable renewable feedstock like poplar wood hemicellulose prehydrolysate. 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Biotechnology, Lakehead University, Thunder Bay, Ontario, Canada. srakshit@lakeheadu.ca.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Department of Chemical Engineering, Lakehead University, Thunder Bay, Ontario, Canada. srakshit@lakeheadu.ca.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><GrantList CompleteYN="Y"><Grant><GrantID>950-226965</GrantID><Agency>Canada Research Chairs</Agency><Country></Country></Grant></GrantList><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2019</Year><Month>05</Month><Day>11</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Appl Biochem Biotechnol</MedlineTA><NlmUniqueID>8208561</NlmUniqueID><ISSNLinking>0273-2289</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D009821">Oils</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D011134">Polysaccharides</NameOfSubstance></Chemical><Chemical><RegistryNumber>8024-50-8</RegistryNumber><NameOfSubstance UI="C007916">hemicellulose</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="Y">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003454" MajorTopicYN="N">Cryptococcus</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009821" MajorTopicYN="N">Oils</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011134" MajorTopicYN="Y">Polysaccharides</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014934" MajorTopicYN="N">Wood</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Cryptococcus curvatus</Keyword><Keyword MajorTopicYN="N">Forestry residues</Keyword><Keyword MajorTopicYN="N">Hemicellulose</Keyword><Keyword MajorTopicYN="N">Microbial oil</Keyword><Keyword MajorTopicYN="N">Xylose</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2019</Year><Month>01</Month><Day>23</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2019</Year><Month>04</Month><Day>22</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2019</Year><Month>5</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate 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Rakshit</name><name sortKey="Uprety, Bijaya Kumar" sort="Uprety, Bijaya Kumar" uniqKey="Uprety B" first="Bijaya Kumar" last="Uprety">Bijaya Kumar Uprety</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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