Interactions between fungal growth, substrate utilization and enzyme production during shallow stationary cultivation of Phanerochaete chrysosporium on cotton stalks.
Identifieur interne : 000430 ( Main/Exploration ); précédent : 000429; suivant : 000431Interactions between fungal growth, substrate utilization and enzyme production during shallow stationary cultivation of Phanerochaete chrysosporium on cotton stalks.
Auteurs : Jian Shi [États-Unis] ; Ratna R. Sharma-Shivappa ; Mari S. ChinnSource :
- Enzyme and microbial technology [ 1879-0909 ] ; 2012.
Descripteurs français
- KwdFr :
- Aliment pour animaux (MeSH), Biomasse (MeSH), Cellulase (métabolisme), Cellulose (métabolisme), Consommation d'oxygène (MeSH), Dépollution biologique de l'environnement (MeSH), Gossypium (microbiologie), Lignine (métabolisme), Modèles biologiques (MeSH), Phanerochaete (croissance et développement), Phanerochaete (enzymologie), Phanerochaete (métabolisme), Polyosides (métabolisme), Spécificité du substrat (MeSH).
- MESH :
- croissance et développement : Phanerochaete.
- enzymologie : Phanerochaete.
- microbiologie : Gossypium.
- métabolisme : Cellulase, Cellulose, Lignine, Phanerochaete, Polyosides.
- Aliment pour animaux, Biomasse, Consommation d'oxygène, Dépollution biologique de l'environnement, Modèles biologiques, Spécificité du substrat.
English descriptors
- KwdEn :
- Animal Feed (MeSH), Biodegradation, Environmental (MeSH), Biomass (MeSH), Cellulase (metabolism), Cellulose (metabolism), Gossypium (microbiology), Lignin (metabolism), Models, Biological (MeSH), Oxygen Consumption (MeSH), Phanerochaete (enzymology), Phanerochaete (growth & development), Phanerochaete (metabolism), Polysaccharides (metabolism), Substrate Specificity (MeSH).
- MESH :
- chemical , metabolism : Cellulase, Cellulose, Lignin, Polysaccharides.
- enzymology : Phanerochaete.
- growth & development : Phanerochaete.
- metabolism : Phanerochaete.
- microbiology : Gossypium.
- Animal Feed, Biodegradation, Environmental, Biomass, Models, Biological, Oxygen Consumption, Substrate Specificity.
Abstract
Microbial pretreatment of lignocellulosic feedstocks is an environment friendly alternative to physio-chemical pretreatment methods. A better understanding of the interactive fungal mechanisms in biological systems is essential for enhancing performance and facilitating scale-up and commercialization of this pretreatment technique. In this study, mathematical models were developed for describing cellulose and hemicellulose consumption, lignin degradation, cellulase and ligninolytic enzyme production and oxygen uptake associated with the growth of Phanerochaete chrysosporium during a 14-day shallow stationary submerged fungal pretreatment process on cotton stalks. Model parameters were estimated and validated by Statistics Toolbox in MatLab 7.1. Models yielded sufficiently accurate predictions for cellulose and hemicellulose consumption (R²=0.9772 and 0.9837), lignin degradation (R²=0.9879 and 0.8682) and ligninolytic enzyme production (R²=0. 8135 and 0.9693) under both 1-day and 3-day oxygen flushing conditions, respectively. The predictabilities for fungal growth (R²=0.6397 and 0.5750) and cellulase production (R²=0.0307 and 0.3046) for 1-day and 3-day oxygen flushing, respectively, and oxygen uptake (R²=0.5435) for 3-day oxygen flushing were limited.
DOI: 10.1016/j.enzmictec.2012.03.006
PubMed: 22579384
Affiliations:
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The predictabilities for fungal growth (R²=0.6397 and 0.5750) and cellulase production (R²=0.0307 and 0.3046) for 1-day and 3-day oxygen flushing, respectively, and oxygen uptake (R²=0.5435) for 3-day oxygen flushing were limited.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">22579384</PMID><DateCompleted><Year>2012</Year><Month>09</Month><Day>17</Day></DateCompleted><DateRevised><Year>2012</Year><Month>05</Month><Day>14</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-0909</ISSN><JournalIssue CitedMedium="Internet"><Volume>51</Volume><Issue>1</Issue><PubDate><Year>2012</Year><Month>Jun</Month><Day>10</Day></PubDate></JournalIssue><Title>Enzyme and microbial technology</Title><ISOAbbreviation>Enzyme Microb Technol</ISOAbbreviation></Journal><ArticleTitle>Interactions between fungal growth, substrate utilization and enzyme production during shallow stationary cultivation of Phanerochaete chrysosporium on cotton stalks.</ArticleTitle><Pagination><MedlinePgn>1-8</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.enzmictec.2012.03.006</ELocationID><Abstract><AbstractText>Microbial pretreatment of lignocellulosic feedstocks is an environment friendly alternative to physio-chemical pretreatment methods. A better understanding of the interactive fungal mechanisms in biological systems is essential for enhancing performance and facilitating scale-up and commercialization of this pretreatment technique. In this study, mathematical models were developed for describing cellulose and hemicellulose consumption, lignin degradation, cellulase and ligninolytic enzyme production and oxygen uptake associated with the growth of Phanerochaete chrysosporium during a 14-day shallow stationary submerged fungal pretreatment process on cotton stalks. Model parameters were estimated and validated by Statistics Toolbox in MatLab 7.1. Models yielded sufficiently accurate predictions for cellulose and hemicellulose consumption (R²=0.9772 and 0.9837), lignin degradation (R²=0.9879 and 0.8682) and ligninolytic enzyme production (R²=0. 8135 and 0.9693) under both 1-day and 3-day oxygen flushing conditions, respectively. 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Chinn</name><name sortKey="Sharma Shivappa, Ratna R" sort="Sharma Shivappa, Ratna R" uniqKey="Sharma Shivappa R" first="Ratna R" last="Sharma-Shivappa">Ratna R. Sharma-Shivappa</name></noCountry><country name="États-Unis"><region name="Caroline du Nord"><name sortKey="Shi, Jian" sort="Shi, Jian" uniqKey="Shi J" first="Jian" last="Shi">Jian Shi</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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