Investigating lignin and hemicellulose in white rot fungus-pretreated wood that affect enzymatic hydrolysis
► Selective delignification and hemicellulose removal were performed on bio-treated residues. ► Lignin in fungi-pretreated residues played a dominant role in hindering enzymatic hydrolysis. ► Fungal pretreatment prefer to integrate with alkaline pretreatment to maximize the synergy. Selective delign...
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| Veröffentlicht in: | Bioresource technology 2013-04, Vol.134, p.381-385 |
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| creator | Wang, Wei Yuan, Tongqi Cui, Baokai Dai, Yucheng |
| description | ► Selective delignification and hemicellulose removal were performed on bio-treated residues. ► Lignin in fungi-pretreated residues played a dominant role in hindering enzymatic hydrolysis. ► Fungal pretreatment prefer to integrate with alkaline pretreatment to maximize the synergy.
Selective delignification and hemicellulose removal were performed on white rot fungus-pretreated residues to investigate the effects of lignin and hemicellulose removal on enzymatic hydrolysis. 43.66–77% of lignin with small part of hemicellulose were degraded by chlorite treatment, while 79.97–95.09% of hemicellulose with little lignin were degraded by dilute acid treatment, indicating that cross effect between lignin and hemicellulose was minimized. In subsequent enzymatic digestion, regardless of the cellulase loading, residues from series-grade delignification released more glucose and xylose than that from hemicellulose removal, suggesting that lignin rather than hemicellulose in fungi-pretreated residues played a dominant role in hindering enzymatic hydrolysis. Based on the fundamental mechanisms of acidic/alkaline pretreatments in literature, it is proposed that fungal pretreatment prefers to integrate with alkaline pretreatment rather than acidic pretreatment to maximize the synergy. This indication would be helpful to optimize and renovate the integrated pretreatment. |
| doi_str_mv | 10.1016/j.biortech.2013.02.042 |
| format | Article |
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Selective delignification and hemicellulose removal were performed on white rot fungus-pretreated residues to investigate the effects of lignin and hemicellulose removal on enzymatic hydrolysis. 43.66–77% of lignin with small part of hemicellulose were degraded by chlorite treatment, while 79.97–95.09% of hemicellulose with little lignin were degraded by dilute acid treatment, indicating that cross effect between lignin and hemicellulose was minimized. In subsequent enzymatic digestion, regardless of the cellulase loading, residues from series-grade delignification released more glucose and xylose than that from hemicellulose removal, suggesting that lignin rather than hemicellulose in fungi-pretreated residues played a dominant role in hindering enzymatic hydrolysis. Based on the fundamental mechanisms of acidic/alkaline pretreatments in literature, it is proposed that fungal pretreatment prefers to integrate with alkaline pretreatment rather than acidic pretreatment to maximize the synergy. This indication would be helpful to optimize and renovate the integrated pretreatment.</description><identifier>ISSN: 0960-8524</identifier><identifier>EISSN: 1873-2976</identifier><identifier>DOI: 10.1016/j.biortech.2013.02.042</identifier><identifier>PMID: 23489565</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Biological and medical sciences ; Biological pretreatment ; Biotechnology ; Carbohydrate Metabolism ; Cellulase - metabolism ; Cellulose - metabolism ; Degradation ; Delignification ; Digestion ; Ethanol ; Fundamental and applied biological sciences. Psychology ; Glucose ; Hydrolysis ; Lignin - isolation & purification ; Lignin - metabolism ; Polysaccharides - metabolism ; Populus - metabolism ; Pretreatment ; Residues ; Saccharification ; Trametes - metabolism ; White rot fungi ; Wood ; Wood - microbiology ; Xylose</subject><ispartof>Bioresource technology, 2013-04, Vol.134, p.381-385</ispartof><rights>2013 Elsevier Ltd</rights><rights>2014 INIST-CNRS</rights><rights>Copyright © 2013 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c431t-2605dd6e25f56657ce434c9473a52848436fe149e08737ca419fd31e750977d43</citedby><cites>FETCH-LOGICAL-c431t-2605dd6e25f56657ce434c9473a52848436fe149e08737ca419fd31e750977d43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.biortech.2013.02.042$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27923,27924,45994</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27283419$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23489565$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wang, Wei</creatorcontrib><creatorcontrib>Yuan, Tongqi</creatorcontrib><creatorcontrib>Cui, Baokai</creatorcontrib><creatorcontrib>Dai, Yucheng</creatorcontrib><title>Investigating lignin and hemicellulose in white rot fungus-pretreated wood that affect enzymatic hydrolysis</title><title>Bioresource technology</title><addtitle>Bioresour Technol</addtitle><description>► Selective delignification and hemicellulose removal were performed on bio-treated residues. ► Lignin in fungi-pretreated residues played a dominant role in hindering enzymatic hydrolysis. ► Fungal pretreatment prefer to integrate with alkaline pretreatment to maximize the synergy.
Selective delignification and hemicellulose removal were performed on white rot fungus-pretreated residues to investigate the effects of lignin and hemicellulose removal on enzymatic hydrolysis. 43.66–77% of lignin with small part of hemicellulose were degraded by chlorite treatment, while 79.97–95.09% of hemicellulose with little lignin were degraded by dilute acid treatment, indicating that cross effect between lignin and hemicellulose was minimized. In subsequent enzymatic digestion, regardless of the cellulase loading, residues from series-grade delignification released more glucose and xylose than that from hemicellulose removal, suggesting that lignin rather than hemicellulose in fungi-pretreated residues played a dominant role in hindering enzymatic hydrolysis. Based on the fundamental mechanisms of acidic/alkaline pretreatments in literature, it is proposed that fungal pretreatment prefers to integrate with alkaline pretreatment rather than acidic pretreatment to maximize the synergy. This indication would be helpful to optimize and renovate the integrated pretreatment.</description><subject>Biological and medical sciences</subject><subject>Biological pretreatment</subject><subject>Biotechnology</subject><subject>Carbohydrate Metabolism</subject><subject>Cellulase - metabolism</subject><subject>Cellulose - metabolism</subject><subject>Degradation</subject><subject>Delignification</subject><subject>Digestion</subject><subject>Ethanol</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Glucose</subject><subject>Hydrolysis</subject><subject>Lignin - isolation & purification</subject><subject>Lignin - metabolism</subject><subject>Polysaccharides - metabolism</subject><subject>Populus - metabolism</subject><subject>Pretreatment</subject><subject>Residues</subject><subject>Saccharification</subject><subject>Trametes - metabolism</subject><subject>White rot fungi</subject><subject>Wood</subject><subject>Wood - microbiology</subject><subject>Xylose</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkc1u1DAURiMEokPhFSpvkNgk-N_xDlQVqFSJDawt176ZeEjiwXZaDU-PRzOFZVeWrPNd-7unaa4I7ggm8uOuuw8xFXBjRzFhHaYd5vRFsyG9Yi3VSr5sNlhL3PaC8ovmTc47jDEjir5uLijjvRZSbJpft8sD5BK2toRli6awXcKC7OLRCHNwME3rFDOgevk4hgIoxYKGddmuud0nKAlsAY8eY_SojLYgOwzgCoLlz2GuMx0aDz7F6ZBDftu8GuyU4d35vGx-frn5cf2tvfv-9fb6813rOCOlpRIL7yVQMQgphXLAGXeaK2YF7XnPmRyAcA24VlXOcqIHzwgogbVSnrPL5sNp7j7F32ttZ-aQj1XsAnHNhgiMldSixp9FGRWMYax1ReUJdSnmnGAw-xRmmw6GYHN0YnbmyYk5OjGYmuqkBq_Ob6z3M_h_sScJFXh_Bmx2dhqSXVzI_zlFe1ZLVu7TiYO6vIcAyWQXYHHgQ6o7Nz6G5_7yF1nhrlU</recordid><startdate>20130401</startdate><enddate>20130401</enddate><creator>Wang, Wei</creator><creator>Yuan, Tongqi</creator><creator>Cui, Baokai</creator><creator>Dai, Yucheng</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7SU</scope><scope>7TB</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20130401</creationdate><title>Investigating lignin and hemicellulose in white rot fungus-pretreated wood that affect enzymatic hydrolysis</title><author>Wang, Wei ; Yuan, Tongqi ; Cui, Baokai ; Dai, Yucheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c431t-2605dd6e25f56657ce434c9473a52848436fe149e08737ca419fd31e750977d43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Biological and medical sciences</topic><topic>Biological pretreatment</topic><topic>Biotechnology</topic><topic>Carbohydrate Metabolism</topic><topic>Cellulase - metabolism</topic><topic>Cellulose - metabolism</topic><topic>Degradation</topic><topic>Delignification</topic><topic>Digestion</topic><topic>Ethanol</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Glucose</topic><topic>Hydrolysis</topic><topic>Lignin - isolation & purification</topic><topic>Lignin - metabolism</topic><topic>Polysaccharides - metabolism</topic><topic>Populus - metabolism</topic><topic>Pretreatment</topic><topic>Residues</topic><topic>Saccharification</topic><topic>Trametes - metabolism</topic><topic>White rot fungi</topic><topic>Wood</topic><topic>Wood - microbiology</topic><topic>Xylose</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Wei</creatorcontrib><creatorcontrib>Yuan, Tongqi</creatorcontrib><creatorcontrib>Cui, Baokai</creatorcontrib><creatorcontrib>Dai, Yucheng</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Environmental Engineering Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Bioresource technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Wei</au><au>Yuan, Tongqi</au><au>Cui, Baokai</au><au>Dai, Yucheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigating lignin and hemicellulose in white rot fungus-pretreated wood that affect enzymatic hydrolysis</atitle><jtitle>Bioresource technology</jtitle><addtitle>Bioresour Technol</addtitle><date>2013-04-01</date><risdate>2013</risdate><volume>134</volume><spage>381</spage><epage>385</epage><pages>381-385</pages><issn>0960-8524</issn><eissn>1873-2976</eissn><abstract>► Selective delignification and hemicellulose removal were performed on bio-treated residues. ► Lignin in fungi-pretreated residues played a dominant role in hindering enzymatic hydrolysis. ► Fungal pretreatment prefer to integrate with alkaline pretreatment to maximize the synergy.
Selective delignification and hemicellulose removal were performed on white rot fungus-pretreated residues to investigate the effects of lignin and hemicellulose removal on enzymatic hydrolysis. 43.66–77% of lignin with small part of hemicellulose were degraded by chlorite treatment, while 79.97–95.09% of hemicellulose with little lignin were degraded by dilute acid treatment, indicating that cross effect between lignin and hemicellulose was minimized. In subsequent enzymatic digestion, regardless of the cellulase loading, residues from series-grade delignification released more glucose and xylose than that from hemicellulose removal, suggesting that lignin rather than hemicellulose in fungi-pretreated residues played a dominant role in hindering enzymatic hydrolysis. Based on the fundamental mechanisms of acidic/alkaline pretreatments in literature, it is proposed that fungal pretreatment prefers to integrate with alkaline pretreatment rather than acidic pretreatment to maximize the synergy. This indication would be helpful to optimize and renovate the integrated pretreatment.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>23489565</pmid><doi>10.1016/j.biortech.2013.02.042</doi><tpages>5</tpages></addata></record> |
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| subjects | Biological and medical sciences Biological pretreatment Biotechnology Carbohydrate Metabolism Cellulase - metabolism Cellulose - metabolism Degradation Delignification Digestion Ethanol Fundamental and applied biological sciences. Psychology Glucose Hydrolysis Lignin - isolation & purification Lignin - metabolism Polysaccharides - metabolism Populus - metabolism Pretreatment Residues Saccharification Trametes - metabolism White rot fungi Wood Wood - microbiology Xylose |
| title | Investigating lignin and hemicellulose in white rot fungus-pretreated wood that affect enzymatic hydrolysis |
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