PRODUCTION AND DEGRADATION OF OXALIC-ACID BY BROWN ROT FUNGI

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dc.contributor.authorESPEJO, E
dc.contributor.authorAGOSIN, E
dc.date.accessioned2024-01-10T12:41:48Z
dc.date.available2024-01-10T12:41:48Z
dc.date.issued1991
dc.description.abstractOur results show that all of the brown rot fungi tested produce oxalic acid in liquid as well as in semisolid cultures. Gloeophyllum trabeum, which accumulates the lowest amount of oxalic acid during decay of pine holocellulose, showed the highest polysaccharide-depolymerizing activity. Semisolid cultures inoculated with this fungus rapidly converted C-14-labeled oxalic acid to CO2 during cellulose depolymerization. The other brown rot fungi also oxidized C-14-labeled oxalic acid, although less rapidly. In contrast, semisolid cultures inoculated with the white rot fungus Coriolus versicolor did not significantly catabolize the acid and did not depolymerize the holocellulose during decay. Semisolid cultures of G. trabeum amended with desferrioxamine, a specific iron-chelating agent, were unable to lower the degree of polymerization of cellulose or to oxidize C-14-labeled oxalic acid to the extent or at the rate that control cultures did. These results suggest that both iron and oxalic acid are involved in cellulose depolymerization by brown rot fungi.
dc.fechaingreso.objetodigital2024-05-14
dc.format.extent7 páginas
dc.fuente.origenWOS
dc.identifier.doi10.1128/AEM.57.7.1980-1986.1991
dc.identifier.issn0099-2240
dc.identifier.pubmedidMEDLINE:16348522
dc.identifier.urihttps://doi.org/10.1128/AEM.57.7.1980-1986.1991
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/77452
dc.identifier.wosidWOS:A1991FV54700017
dc.information.autorucIngeniería;Agosin E;S/I;99630
dc.issue.numero7
dc.language.isoen
dc.nota.accesocontenido parcial
dc.pagina.final1986
dc.pagina.inicio1980
dc.publisherAMER SOC MICROBIOLOGY
dc.revistaAPPLIED AND ENVIRONMENTAL MICROBIOLOGY
dc.rightsacceso restringido
dc.subjectSOLID-STATE FERMENTATION
dc.subjectPHANEROCHAETE-CHRYSOSPORIUM
dc.subjectHYDROGEN-PEROXIDE
dc.subjectRADICALS
dc.subjectGROWTH
dc.subjectCELLULOSE
dc.subjectHYDROXYL
dc.subjectCULTURE
dc.subjectWOOD
dc.subject.ods06 Clean Water and Sanitation
dc.subject.odspa06 Agua limpia y saneamiento
dc.titlePRODUCTION AND DEGRADATION OF OXALIC-ACID BY BROWN ROT FUNGI
dc.typeartículo
dc.volumen57
sipa.codpersvinculados99630
sipa.indexWOS
sipa.indexScopus
sipa.trazabilidadCarga SIPA;09-01-2024
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