Correlation of brightening with cumulative enzyme activity related to lignin biodegradation during biobleaching of kraft pulp by white rot fungi in the solid-state fermentation system.
Identifieur interne : 000D16 ( Main/Curation ); précédent : 000D15; suivant : 000D17Correlation of brightening with cumulative enzyme activity related to lignin biodegradation during biobleaching of kraft pulp by white rot fungi in the solid-state fermentation system.
Auteurs : N. Katagiri [Japon] ; Y. Tsutsumi ; T. NishidaSource :
- Applied and environmental microbiology [ 0099-2240 ] ; 1995.
Descripteurs français
- KwdFr :
- MESH :
- métabolisme : Basidiomycota, Lignine, Oxidoreductases, Peroxidases, Polyporaceae.
- Bois, Couleur, Dépollution biologique de l'environnement, Fermentation, Laccase, Papier.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Lignin, Oxidoreductases, Peroxidases.
- chemical : Laccase.
- metabolism : Basidiomycota, Polyporaceae.
- Biodegradation, Environmental, Color, Fermentation, Paper, Wood.
Abstract
Biobleaching of hardwood unbleached kraft pulp (UKP) by Phanerochaete chrysosporium and Trametes versicolor was studied in the solid-state fermentation system with different culture media. In this fermentation system with low-nitrogen and high-carbon culture medium, pulp brightness increased by 15 and 30 points after 5 days of treatment with T. versicolor and P. chrysosporium, respectively, and the pulp kappa number decreased with increasing brightness. A comparison of manganese peroxidase (MnP), lignin peroxidase (LiP), and laccase activities assayed by using fungus-treated pulp and the filtrate after homogenizing the fungus-treated pulp in buffer solution indicated that enzymes secreted from fungi were adsorbed onto the UKP and that assays of these enzyme activities should be carried out with the treated pulp. Time course studies of brightness increase and MnP activity during treatment with P. chrysosporium suggested that it was difficult to correlate them on the basis of data obtained on a certain day of incubation, because the MnP activity fluctuated dramatically during the treatment time. When brightness increase and cumulative MnP, LiP, and laccase activities were determined, a linear relationship between brightness increase and cumulative MnP activity was found in the solid-state fermentation system with both P. chrysosporium and T. versicolor. This result suggests that MnP is involved in brightening of UKP by white rot fungi.
DOI: 10.1128/AEM.61.2.617-622.1995
PubMed: 7574600
PubMed Central: PMC167323
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In this fermentation system with low-nitrogen and high-carbon culture medium, pulp brightness increased by 15 and 30 points after 5 days of treatment with T. versicolor and P. chrysosporium, respectively, and the pulp kappa number decreased with increasing brightness. A comparison of manganese peroxidase (MnP), lignin peroxidase (LiP), and laccase activities assayed by using fungus-treated pulp and the filtrate after homogenizing the fungus-treated pulp in buffer solution indicated that enzymes secreted from fungi were adsorbed onto the UKP and that assays of these enzyme activities should be carried out with the treated pulp. Time course studies of brightness increase and MnP activity during treatment with P. chrysosporium suggested that it was difficult to correlate them on the basis of data obtained on a certain day of incubation, because the MnP activity fluctuated dramatically during the treatment time. When brightness increase and cumulative MnP, LiP, and laccase activities were determined, a linear relationship between brightness increase and cumulative MnP activity was found in the solid-state fermentation system with both P. chrysosporium and T. versicolor. This result suggests that MnP is involved in brightening of UKP by white rot fungi.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">7574600</PMID><DateCompleted><Year>1995</Year><Month>11</Month><Day>06</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>61</Volume><Issue>2</Issue><PubDate><Year>1995</Year><Month>Feb</Month></PubDate></JournalIssue><Title>Applied and environmental microbiology</Title><ISOAbbreviation>Appl Environ Microbiol</ISOAbbreviation></Journal><ArticleTitle>Correlation of brightening with cumulative enzyme activity related to lignin biodegradation during biobleaching of kraft pulp by white rot fungi in the solid-state fermentation system.</ArticleTitle><Pagination><MedlinePgn>617-22</MedlinePgn></Pagination><Abstract><AbstractText>Biobleaching of hardwood unbleached kraft pulp (UKP) by Phanerochaete chrysosporium and Trametes versicolor was studied in the solid-state fermentation system with different culture media. In this fermentation system with low-nitrogen and high-carbon culture medium, pulp brightness increased by 15 and 30 points after 5 days of treatment with T. versicolor and P. chrysosporium, respectively, and the pulp kappa number decreased with increasing brightness. A comparison of manganese peroxidase (MnP), lignin peroxidase (LiP), and laccase activities assayed by using fungus-treated pulp and the filtrate after homogenizing the fungus-treated pulp in buffer solution indicated that enzymes secreted from fungi were adsorbed onto the UKP and that assays of these enzyme activities should be carried out with the treated pulp. Time course studies of brightness increase and MnP activity during treatment with P. chrysosporium suggested that it was difficult to correlate them on the basis of data obtained on a certain day of incubation, because the MnP activity fluctuated dramatically during the treatment time. When brightness increase and cumulative MnP, LiP, and laccase activities were determined, a linear relationship between brightness increase and cumulative MnP activity was found in the solid-state fermentation system with both P. chrysosporium and T. versicolor. 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IdType="pubmed">7574600</ArticleId><ArticleId IdType="pmc">PMC167323</ArticleId><ArticleId IdType="doi">10.1128/AEM.61.2.617-622.1995</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>Gene. 1985;39(2-3):173-80</Citation><ArticleIdList><ArticleId IdType="pubmed">3005111</ArticleId></ArticleIdList></Reference><Reference><Citation>Appl Environ Microbiol. 1993 Jan;59(1):260-5</Citation><ArticleIdList><ArticleId IdType="pubmed">16348850</ArticleId></ArticleIdList></Reference><Reference><Citation>Biochem Biophys Res Commun. 1991 Apr 15;176(1):269-75</Citation><ArticleIdList><ArticleId IdType="pubmed">2018522</ArticleId></ArticleIdList></Reference><Reference><Citation>Appl Environ Microbiol. 1992 Aug;58(8):2402-9</Citation><ArticleIdList><ArticleId IdType="pubmed">1514788</ArticleId></ArticleIdList></Reference><Reference><Citation>Science. 1983 Aug 12;221(4611):661-3</Citation><ArticleIdList><ArticleId 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