Serveur d'exploration sur le phanerochaete

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Limited bacterial mineralization of fungal degradation intermediates from synthetic lignin.

Identifieur interne : 000F13 ( Main/Exploration ); précédent : 000F12; suivant : 000F14

Limited bacterial mineralization of fungal degradation intermediates from synthetic lignin.

Auteurs : C. Rüttimann ; R. Vicu A ; M D Mozuch ; T K Kirk

Source :

RBID : pubmed:1785937

Descripteurs français

English descriptors

Abstract

The ability of selected bacterial strains and consortia to mineralize degradation intermediates produced by Phanerochaete chrysosporium from 14C-labeled synthetic lignins was studied. Three different molecular weight fractions of the intermediates were subjected to the action of the bacteria, which had been grown on a lignin-related dimeric compound. Two consortia isolated from wood being decayed naturally by a Ganoderma species of white rot fungus (the palo podrido system) mineralized 10 to 11% of the fraction with a molecular weight of approximately 500 but less than 4% of the higher- and lower-molecular-weight fractions. The consortia mineralized 5 to 9% of the original lignins. The ability of two pseudomonads isolated earlier from lignin-rich environments to mineralize the original lignins or fungus degradation products was much lower.

DOI: 10.1128/AEM.57.12.3652-3655.1991
PubMed: 1785937
PubMed Central: PMC184029


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Le document en format XML

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<name sortKey="Vicu A, R" sort="Vicu A, R" uniqKey="Vicu A R" first="R" last="Vicu A">R. Vicu A</name>
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<term>Lignine (métabolisme)</term>
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<div type="abstract" xml:lang="en">The ability of selected bacterial strains and consortia to mineralize degradation intermediates produced by Phanerochaete chrysosporium from 14C-labeled synthetic lignins was studied. Three different molecular weight fractions of the intermediates were subjected to the action of the bacteria, which had been grown on a lignin-related dimeric compound. Two consortia isolated from wood being decayed naturally by a Ganoderma species of white rot fungus (the palo podrido system) mineralized 10 to 11% of the fraction with a molecular weight of approximately 500 but less than 4% of the higher- and lower-molecular-weight fractions. The consortia mineralized 5 to 9% of the original lignins. The ability of two pseudomonads isolated earlier from lignin-rich environments to mineralize the original lignins or fungus degradation products was much lower.</div>
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