Document Detail

Respiratory pathways and oxygen toxicity in Phanerochaete chrysosporium.
MedLine Citation:
PMID:  10650219     Owner:  NLM     Status:  MEDLINE    
Phanerochaete chrysosporium maintained on glucose as the carbon source contained severely impaired mitochondria that were characterised by the loss of both succinate dehydrogenase and cytochrome oxidase activities. These cells maintained a constant value for energy charge using anaerobic metabolism. Cells with these properties express lignin peroxidase when supplied with a pure oxygen atmosphere, which may reflect a response to accumulating reactive oxygen species. Cells maintained on cellulose retained fully functional mitochondria, but expressed lignin peroxidase without being exposed to a pure oxygen atmosphere. In the cells maintained on cellulose, mitochondrial function may be limited by the supply of glucose, leading to the accumulation of reactive oxygen species.
L Zacchi; J M Palmer; P J Harvey
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  FEMS microbiology letters     Volume:  183     ISSN:  0378-1097     ISO Abbreviation:  FEMS Microbiol. Lett.     Publication Date:  2000 Feb 
Date Detail:
Created Date:  2000-03-07     Completed Date:  2000-03-07     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7705721     Medline TA:  FEMS Microbiol Lett     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  153-7     Citation Subset:  IM; S    
School of Chemical and Life Sciences, University of Greenwich, Wellington Street, London, UK.
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MeSH Terms
Cellulose / metabolism
Culture Media
Electron Transport
Electron Transport Complex IV / metabolism
Energy Metabolism
Glucose / metabolism
Mitochondria / metabolism*
Oxygen / toxicity*
Oxygen Consumption*
Peroxidases / biosynthesis
Phanerochaete / metabolism*
Succinic Acid / metabolism
Reg. No./Substance:
0/Culture Media; 110-15-6/Succinic Acid; 50-99-7/Glucose; 7782-44-7/Oxygen; 9004-34-6/Cellulose; EC 1.11.1.-/Peroxidases; EC 1.11.1.-/lignin peroxidase; EC Transport Complex IV

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