Extracellular oxidative enzyme production and PAH removal in soil by exploratory mycelium of white rot fungi.
Identifieur interne : 000B28 ( Main/Exploration ); précédent : 000B27; suivant : 000B29Extracellular oxidative enzyme production and PAH removal in soil by exploratory mycelium of white rot fungi.
Auteurs : C. Novotn [République tchèque] ; P. Erbanová ; V. Sasek ; A. Kubátová ; T. Cajthaml ; E. Lang ; J. Krahl ; F. ZadrazilSource :
- Biodegradation [ 0923-9820 ] ; 1999.
Descripteurs français
- KwdFr :
- Anthracènes (métabolisme), Basidiomycota (métabolisme), Dépollution biologique de l'environnement (MeSH), Hydrocarbures aromatiques polycycliques (métabolisme), Lignine (métabolisme), Microbiologie du sol (MeSH), Oxydoréduction (MeSH), Phanerochaete (métabolisme), Phénanthrènes (métabolisme), Pleurotus (métabolisme), Polluants du sol (métabolisme), Polyporales (métabolisme), Pyrènes (métabolisme), Spécificité d'espèce (MeSH).
- MESH :
English descriptors
- KwdEn :
- Anthracenes (metabolism), Basidiomycota (metabolism), Biodegradation, Environmental (MeSH), Lignin (metabolism), Oxidation-Reduction (MeSH), Phanerochaete (metabolism), Phenanthrenes (metabolism), Pleurotus (metabolism), Polycyclic Aromatic Hydrocarbons (metabolism), Polyporales (metabolism), Pyrenes (metabolism), Soil Microbiology (MeSH), Soil Pollutants (metabolism), Species Specificity (MeSH).
- MESH :
- chemical , metabolism : Anthracenes, Lignin, Phenanthrenes, Polycyclic Aromatic Hydrocarbons, Pyrenes, Soil Pollutants.
- metabolism : Basidiomycota, Phanerochaete, Pleurotus, Polyporales.
- Biodegradation, Environmental, Oxidation-Reduction, Soil Microbiology, Species Specificity.
Abstract
Selected strains of three species of white rot fungi, Pleurotus ostreatus, Phanerochaete chrysosporium and Trametes versicolor, were grown in sterilized soil from straw inocula. The respective colonization rates and mycelium density values decreased in the above mentioned order. Three- and four-ringed PAHs at 50 ppm inhibited growth of fungi in soil to some extent. The activities of fungal MnP and laccase (units per g dry weight of straw or soil), extracted with 50 mM succinate-lactate buffer (pH 4.5), were 5 to 20-fold higher in straw compared to soil. The enzyme activities per g dry soil in P. ostreatus and T. versicolor were similar, in contrast to P. chrysosporium, where they were extremely low. Compared to the aerated controls, P. ostreatus strains reduced the levels of anthracene, pyrene and phenanthrene by 81-87%, 84-93% and 41-64% within 2 months, respectively. During degradation of anthracene, all P. ostreatus strains accumulated anthraquinone. PAH removal rates in P. chrysosporium and T. versicolor soil cultures were much lower.
DOI: 10.1023/a:1008324111558
PubMed: 10492884
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<series><title level="j">Biodegradation</title>
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<term>Basidiomycota (metabolism)</term>
<term>Biodegradation, Environmental (MeSH)</term>
<term>Lignin (metabolism)</term>
<term>Oxidation-Reduction (MeSH)</term>
<term>Phanerochaete (metabolism)</term>
<term>Phenanthrenes (metabolism)</term>
<term>Pleurotus (metabolism)</term>
<term>Polycyclic Aromatic Hydrocarbons (metabolism)</term>
<term>Polyporales (metabolism)</term>
<term>Pyrenes (metabolism)</term>
<term>Soil Microbiology (MeSH)</term>
<term>Soil Pollutants (metabolism)</term>
<term>Species Specificity (MeSH)</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>Anthracènes (métabolisme)</term>
<term>Basidiomycota (métabolisme)</term>
<term>Dépollution biologique de l'environnement (MeSH)</term>
<term>Hydrocarbures aromatiques polycycliques (métabolisme)</term>
<term>Lignine (métabolisme)</term>
<term>Microbiologie du sol (MeSH)</term>
<term>Oxydoréduction (MeSH)</term>
<term>Phanerochaete (métabolisme)</term>
<term>Phénanthrènes (métabolisme)</term>
<term>Pleurotus (métabolisme)</term>
<term>Polluants du sol (métabolisme)</term>
<term>Polyporales (métabolisme)</term>
<term>Pyrènes (métabolisme)</term>
<term>Spécificité d'espèce (MeSH)</term>
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<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Anthracenes</term>
<term>Lignin</term>
<term>Phenanthrenes</term>
<term>Polycyclic Aromatic Hydrocarbons</term>
<term>Pyrenes</term>
<term>Soil Pollutants</term>
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<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Basidiomycota</term>
<term>Phanerochaete</term>
<term>Pleurotus</term>
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<term>Basidiomycota</term>
<term>Hydrocarbures aromatiques polycycliques</term>
<term>Lignine</term>
<term>Phanerochaete</term>
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<term>Pleurotus</term>
<term>Polluants du sol</term>
<term>Polyporales</term>
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<term>Oxidation-Reduction</term>
<term>Soil Microbiology</term>
<term>Species Specificity</term>
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<keywords scheme="MESH" xml:lang="fr"><term>Dépollution biologique de l'environnement</term>
<term>Microbiologie du sol</term>
<term>Oxydoréduction</term>
<term>Spécificité d'espèce</term>
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<front><div type="abstract" xml:lang="en">Selected strains of three species of white rot fungi, Pleurotus ostreatus, Phanerochaete chrysosporium and Trametes versicolor, were grown in sterilized soil from straw inocula. The respective colonization rates and mycelium density values decreased in the above mentioned order. Three- and four-ringed PAHs at 50 ppm inhibited growth of fungi in soil to some extent. The activities of fungal MnP and laccase (units per g dry weight of straw or soil), extracted with 50 mM succinate-lactate buffer (pH 4.5), were 5 to 20-fold higher in straw compared to soil. The enzyme activities per g dry soil in P. ostreatus and T. versicolor were similar, in contrast to P. chrysosporium, where they were extremely low. Compared to the aerated controls, P. ostreatus strains reduced the levels of anthracene, pyrene and phenanthrene by 81-87%, 84-93% and 41-64% within 2 months, respectively. During degradation of anthracene, all P. ostreatus strains accumulated anthraquinone. PAH removal rates in P. chrysosporium and T. versicolor soil cultures were much lower.</div>
</front>
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<Month>10</Month>
<Day>21</Day>
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<DateRevised><Year>2019</Year>
<Month>11</Month>
<Day>03</Day>
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<Issue>3</Issue>
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<Month>Jun</Month>
</PubDate>
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<Title>Biodegradation</Title>
<ISOAbbreviation>Biodegradation</ISOAbbreviation>
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<ArticleTitle>Extracellular oxidative enzyme production and PAH removal in soil by exploratory mycelium of white rot fungi.</ArticleTitle>
<Pagination><MedlinePgn>159-68</MedlinePgn>
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<Abstract><AbstractText>Selected strains of three species of white rot fungi, Pleurotus ostreatus, Phanerochaete chrysosporium and Trametes versicolor, were grown in sterilized soil from straw inocula. The respective colonization rates and mycelium density values decreased in the above mentioned order. Three- and four-ringed PAHs at 50 ppm inhibited growth of fungi in soil to some extent. The activities of fungal MnP and laccase (units per g dry weight of straw or soil), extracted with 50 mM succinate-lactate buffer (pH 4.5), were 5 to 20-fold higher in straw compared to soil. The enzyme activities per g dry soil in P. ostreatus and T. versicolor were similar, in contrast to P. chrysosporium, where they were extremely low. Compared to the aerated controls, P. ostreatus strains reduced the levels of anthracene, pyrene and phenanthrene by 81-87%, 84-93% and 41-64% within 2 months, respectively. During degradation of anthracene, all P. ostreatus strains accumulated anthraquinone. PAH removal rates in P. chrysosporium and T. versicolor soil cultures were much lower.</AbstractText>
</Abstract>
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<ForeName>C</ForeName>
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