Preferential degradation of phenolic lignin units by two white rot fungi.
Identifieur interne : 000D32 ( Main/Exploration ); précédent : 000D31; suivant : 000D33Preferential degradation of phenolic lignin units by two white rot fungi.
Auteurs : S. Camarero [Espagne] ; G C Galletti ; A T MartínezSource :
- Applied and environmental microbiology [ 0099-2240 ] ; 1994.
Descripteurs français
- KwdFr :
- Basidiomycota (enzymologie), Basidiomycota (métabolisme), Cinnamates (métabolisme), Cuivre (MeSH), Dépollution biologique de l'environnement (MeSH), Fermentation (MeSH), Lignine (métabolisme), Méthylation (MeSH), Oxydoréduction (MeSH), Phénols (métabolisme), Polyporaceae (enzymologie), Polyporaceae (métabolisme), Triticum (MeSH).
- MESH :
- enzymologie : Basidiomycota, Polyporaceae.
- métabolisme : Basidiomycota, Cinnamates, Lignine, Phénols, Polyporaceae.
- Cuivre, Dépollution biologique de l'environnement, Fermentation, Méthylation, Oxydoréduction, Triticum.
English descriptors
- KwdEn :
- Basidiomycota (enzymology), Basidiomycota (metabolism), Biodegradation, Environmental (MeSH), Cinnamates (metabolism), Copper (MeSH), Fermentation (MeSH), Lignin (metabolism), Methylation (MeSH), Oxidation-Reduction (MeSH), Phenols (metabolism), Polyporaceae (enzymology), Polyporaceae (metabolism), Triticum (MeSH).
- MESH :
- chemical , metabolism : Cinnamates, Lignin, Phenols.
- enzymology : Basidiomycota, Polyporaceae.
- metabolism : Basidiomycota, Polyporaceae.
- Biodegradation, Environmental, Copper, Fermentation, Methylation, Oxidation-Reduction, Triticum.
Abstract
The differential biodegradation of phenolic and nonphenolic (C-4-etherified) lignin units in wheat straw treated with the white rot fungi Pleurotus eryngii and Phanerochaete chrysosporium was investigated under solid-state fermentation conditions. Two analytical techniques applied to permethylated straw were used for this purpose, i.e., alkaline CuO degradation and analytical pyrolysis (both followed by gas chromatography-mass spectrometry for product identification). Despite differences in the enzymatic machinery produced, both ligninolytic fungi caused a significant decrease in the relative amount of phenolic lignin units during the degradation process. Nevertheless, no differences in the biodegradation rates of phenolic and etherified cinnamic acids were observed. Changes in lignin composition and cinnamic acid content were also analyzed in the phenolic and nonphenolic lignin moieties. The results obtained are discussed in the context of the enzymatic mechanisms of lignin biodegradation.
DOI: 10.1128/AEM.60.12.4509-4516.1994
PubMed: 7811086
PubMed Central: PMC202012
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Camarero</name><affiliation wicri:level="3"><nlm:affiliation>Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas, Madrid, Spain.</nlm:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas, Madrid</wicri:regionArea><placeName><settlement type="city">Madrid</settlement><region nuts="2" type="region">Communauté de Madrid</region></placeName></affiliation></author><author><name sortKey="Galletti, G C" sort="Galletti, G C" uniqKey="Galletti G" first="G C" last="Galletti">G C Galletti</name></author><author><name sortKey="Martinez, A T" sort="Martinez, A T" uniqKey="Martinez A" first="A T" last="Martínez">A T Martínez</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1994">1994</date><idno type="RBID">pubmed:7811086</idno><idno type="pmid">7811086</idno><idno type="pmc">PMC202012</idno><idno type="doi">10.1128/AEM.60.12.4509-4516.1994</idno><idno type="wicri:Area/Main/Corpus">000D25</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000D25</idno><idno type="wicri:Area/Main/Curation">000D25</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">000D25</idno><idno type="wicri:Area/Main/Exploration">000D25</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Preferential degradation of phenolic lignin units by two white rot fungi.</title><author><name sortKey="Camarero, S" sort="Camarero, S" uniqKey="Camarero S" first="S" last="Camarero">S. 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Two analytical techniques applied to permethylated straw were used for this purpose, i.e., alkaline CuO degradation and analytical pyrolysis (both followed by gas chromatography-mass spectrometry for product identification). Despite differences in the enzymatic machinery produced, both ligninolytic fungi caused a significant decrease in the relative amount of phenolic lignin units during the degradation process. Nevertheless, no differences in the biodegradation rates of phenolic and etherified cinnamic acids were observed. Changes in lignin composition and cinnamic acid content were also analyzed in the phenolic and nonphenolic lignin moieties. The results obtained are discussed in the context of the enzymatic mechanisms of lignin biodegradation.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">7811086</PMID><DateCompleted><Year>1995</Year><Month>01</Month><Day>31</Day></DateCompleted><DateRevised><Year>2020</Year><Month>07</Month><Day>24</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0099-2240</ISSN><JournalIssue CitedMedium="Print"><Volume>60</Volume><Issue>12</Issue><PubDate><Year>1994</Year><Month>Dec</Month></PubDate></JournalIssue><Title>Applied and environmental microbiology</Title><ISOAbbreviation>Appl Environ Microbiol</ISOAbbreviation></Journal><ArticleTitle>Preferential degradation of phenolic lignin units by two white rot fungi.</ArticleTitle><Pagination><MedlinePgn>4509-16</MedlinePgn></Pagination><Abstract><AbstractText>The differential biodegradation of phenolic and nonphenolic (C-4-etherified) lignin units in wheat straw treated with the white rot fungi Pleurotus eryngii and Phanerochaete chrysosporium was investigated under solid-state fermentation conditions. Two analytical techniques applied to permethylated straw were used for this purpose, i.e., alkaline CuO degradation and analytical pyrolysis (both followed by gas chromatography-mass spectrometry for product identification). Despite differences in the enzymatic machinery produced, both ligninolytic fungi caused a significant decrease in the relative amount of phenolic lignin units during the degradation process. Nevertheless, no differences in the biodegradation rates of phenolic and etherified cinnamic acids were observed. Changes in lignin composition and cinnamic acid content were also analyzed in the phenolic and nonphenolic lignin moieties. The results obtained are discussed in the context of the enzymatic mechanisms of lignin biodegradation.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Camarero</LastName><ForeName>S</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas, Madrid, Spain.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Galletti</LastName><ForeName>G C</ForeName><Initials>GC</Initials></Author><Author ValidYN="Y"><LastName>Martínez</LastName><ForeName>A T</ForeName><Initials>AT</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Appl Environ 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last="Camarero">S. 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