NDLI: Secretome analysis of Phanerochaete chrysosporium strain CIRM-BRFM41 grown on softwood

Content Provider	Springer Nature Link
Author	Ravalason, Holy Jan, Gwénaël Mollé, Daniel Pasco, Maryvonne Coutinho, Pedro M. Lapierre, Catherine Pollet, Brigitte Bertaud, Frédérique Petit Conil, Michel Grisel, Sacha Sigoillot, Jean Claude Asther, Marcel Herpoël Gimbert, Isabelle
Copyright Year	2008
Abstract	Proteomic analysis was performed to determine and differentiate the composition of the secretomes of Phanerochaete chrysosporium CIRM-BRFM41, a peroxidase hypersecretory strain grown under ligninolytic conditions and on softwood chips under biopulping conditions. Extracellular proteins from both cultures were analyzed by bidimensional gel electrophoresis and matrix-assisted laser desorption/ionization time-of-flight tandem mass spectrometry. A total of 37 spots were identified. The secretome in liquid synthetic medium comprised mainly peroxidases, while several wood-degrading enzymes and enzymes involved in fungal metabolism were detected in biopulping cultures on softwood. This prompted an analysis of the impact of secretome modulation in the presence of softwood chips. Biotreated wood was submitted to kraft cooking and chemical bleaching using chlorine dioxide. The fungal pre-treatment led to a significant increase in pulp yield and a better bleachability of the pulp. This bleachability improvement could be explained by the production of specific lignocellulose-degrading enzymes.
Starting Page	719
Ending Page	733
Page Count	15
File Format	PDF
ISSN	01757598
Journal	Applied Microbiology and Biotechnology
Volume Number	80
Issue Number	4
e-ISSN	14320614
Language	English
Publisher	Springer-Verlag
Publisher Date	2008-07-25
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Phanerochaete chrysosporium Secretome Softwood Chemical pulping Microbial Genetics and Genomics Microbiology Biotechnology
Content Type	Text
Resource Type	Article
Subject	Medicine Applied Microbiology and Biotechnology Biotechnology

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