Tween 80 enhanced TNT mineralization by Phanerochaete chrysosporium.
Identifieur interne : 000B04 ( Main/Corpus ); précédent : 000B03; suivant : 000B05Tween 80 enhanced TNT mineralization by Phanerochaete chrysosporium.
Auteurs : J. Hodgson ; D. Rho ; S R Guiot ; G. Ampleman ; S. Thiboutot ; J. HawariSource :
- Canadian journal of microbiology [ 0008-4166 ] ; 2000.
English descriptors
- KwdEn :
- Biodegradation, Environmental (MeSH), Culture Media (MeSH), Glycerol (metabolism), Oxygen (metabolism), Peroxidases (metabolism), Phanerochaete (enzymology), Phanerochaete (growth & development), Phanerochaete (metabolism), Polysorbates (pharmacology), Soil Pollutants (metabolism), Surface-Active Agents (pharmacology), Trinitrotoluene (metabolism).
- MESH :
- chemical , metabolism : Glycerol, Oxygen, Peroxidases, Soil Pollutants, Trinitrotoluene.
- chemical , pharmacology : Polysorbates, Surface-Active Agents.
- chemical : Culture Media.
- enzymology : Phanerochaete.
- growth & development : Phanerochaete.
- metabolism : Phanerochaete.
- Biodegradation, Environmental.
Abstract
The effect of a nonionic surfactant (Tween 80) on 2,4,6-trinitrotoluene (TNT) mineralization by the white-rot fungus Phanerochaete chrysosporium strain BKM-F-1767, was investigated in a liquid culture at 20, 50, and 100 mg TNT.L-1. The presence of 1% (w/v) Tween 80, at 20 mg.L-1 TNT, added to a 4-d-old culture, allowed the highest TNT mineralization level, that is 29.3% after 24 d, which is two times more than the control culture, without Tween 80 (13.9%). The mineralization of TNT resumed upon additional Tween 80 supplementation, consequently, 39.0% of the TNT was respired on day 68. Orbital agitation of the fungal culture was found detrimental to TNT mineralization, with or without Tween 80 in the culture medium. The surfactant also stimulated the growth of P. chrysosporium without any notable effect on either the glycerol consumption rate or the extracellular LiP and MnP activity levels. Respirometric assays highlighted some differences between the oxygen uptake rate of the fungal culture supplemented with or without Tween 80.
DOI: 10.1139/w99-126
PubMed: 10721478
Links to Exploration step
pubmed:10721478Le document en format XML
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<author><name sortKey="Hodgson, J" sort="Hodgson, J" uniqKey="Hodgson J" first="J" last="Hodgson">J. Hodgson</name>
<affiliation><nlm:affiliation>Biotechnology Research Institute, National Research Council Canada, Montréal, QC, Canada.</nlm:affiliation>
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<author><name sortKey="Rho, D" sort="Rho, D" uniqKey="Rho D" first="D" last="Rho">D. Rho</name>
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<author><name sortKey="Guiot, S R" sort="Guiot, S R" uniqKey="Guiot S" first="S R" last="Guiot">S R Guiot</name>
</author>
<author><name sortKey="Ampleman, G" sort="Ampleman, G" uniqKey="Ampleman G" first="G" last="Ampleman">G. Ampleman</name>
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<author><name sortKey="Thiboutot, S" sort="Thiboutot, S" uniqKey="Thiboutot S" first="S" last="Thiboutot">S. Thiboutot</name>
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<author><name sortKey="Hawari, J" sort="Hawari, J" uniqKey="Hawari J" first="J" last="Hawari">J. Hawari</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Tween 80 enhanced TNT mineralization by Phanerochaete chrysosporium.</title>
<author><name sortKey="Hodgson, J" sort="Hodgson, J" uniqKey="Hodgson J" first="J" last="Hodgson">J. Hodgson</name>
<affiliation><nlm:affiliation>Biotechnology Research Institute, National Research Council Canada, Montréal, QC, Canada.</nlm:affiliation>
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<author><name sortKey="Rho, D" sort="Rho, D" uniqKey="Rho D" first="D" last="Rho">D. Rho</name>
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<author><name sortKey="Guiot, S R" sort="Guiot, S R" uniqKey="Guiot S" first="S R" last="Guiot">S R Guiot</name>
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<author><name sortKey="Ampleman, G" sort="Ampleman, G" uniqKey="Ampleman G" first="G" last="Ampleman">G. Ampleman</name>
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<author><name sortKey="Thiboutot, S" sort="Thiboutot, S" uniqKey="Thiboutot S" first="S" last="Thiboutot">S. Thiboutot</name>
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<series><title level="j">Canadian journal of microbiology</title>
<idno type="ISSN">0008-4166</idno>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biodegradation, Environmental (MeSH)</term>
<term>Culture Media (MeSH)</term>
<term>Glycerol (metabolism)</term>
<term>Oxygen (metabolism)</term>
<term>Peroxidases (metabolism)</term>
<term>Phanerochaete (enzymology)</term>
<term>Phanerochaete (growth & development)</term>
<term>Phanerochaete (metabolism)</term>
<term>Polysorbates (pharmacology)</term>
<term>Soil Pollutants (metabolism)</term>
<term>Surface-Active Agents (pharmacology)</term>
<term>Trinitrotoluene (metabolism)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Glycerol</term>
<term>Oxygen</term>
<term>Peroxidases</term>
<term>Soil Pollutants</term>
<term>Trinitrotoluene</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Polysorbates</term>
<term>Surface-Active Agents</term>
</keywords>
<keywords scheme="MESH" type="chemical" xml:lang="en"><term>Culture Media</term>
</keywords>
<keywords scheme="MESH" qualifier="enzymology" xml:lang="en"><term>Phanerochaete</term>
</keywords>
<keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Phanerochaete</term>
</keywords>
<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Phanerochaete</term>
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<keywords scheme="MESH" xml:lang="en"><term>Biodegradation, Environmental</term>
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<front><div type="abstract" xml:lang="en">The effect of a nonionic surfactant (Tween 80) on 2,4,6-trinitrotoluene (TNT) mineralization by the white-rot fungus Phanerochaete chrysosporium strain BKM-F-1767, was investigated in a liquid culture at 20, 50, and 100 mg TNT.L-1. The presence of 1% (w/v) Tween 80, at 20 mg.L-1 TNT, added to a 4-d-old culture, allowed the highest TNT mineralization level, that is 29.3% after 24 d, which is two times more than the control culture, without Tween 80 (13.9%). The mineralization of TNT resumed upon additional Tween 80 supplementation, consequently, 39.0% of the TNT was respired on day 68. Orbital agitation of the fungal culture was found detrimental to TNT mineralization, with or without Tween 80 in the culture medium. The surfactant also stimulated the growth of P. chrysosporium without any notable effect on either the glycerol consumption rate or the extracellular LiP and MnP activity levels. Respirometric assays highlighted some differences between the oxygen uptake rate of the fungal culture supplemented with or without Tween 80.</div>
</front>
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<Title>Canadian journal of microbiology</Title>
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<ArticleTitle>Tween 80 enhanced TNT mineralization by Phanerochaete chrysosporium.</ArticleTitle>
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<Abstract><AbstractText>The effect of a nonionic surfactant (Tween 80) on 2,4,6-trinitrotoluene (TNT) mineralization by the white-rot fungus Phanerochaete chrysosporium strain BKM-F-1767, was investigated in a liquid culture at 20, 50, and 100 mg TNT.L-1. The presence of 1% (w/v) Tween 80, at 20 mg.L-1 TNT, added to a 4-d-old culture, allowed the highest TNT mineralization level, that is 29.3% after 24 d, which is two times more than the control culture, without Tween 80 (13.9%). The mineralization of TNT resumed upon additional Tween 80 supplementation, consequently, 39.0% of the TNT was respired on day 68. Orbital agitation of the fungal culture was found detrimental to TNT mineralization, with or without Tween 80 in the culture medium. The surfactant also stimulated the growth of P. chrysosporium without any notable effect on either the glycerol consumption rate or the extracellular LiP and MnP activity levels. Respirometric assays highlighted some differences between the oxygen uptake rate of the fungal culture supplemented with or without Tween 80.</AbstractText>
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