Metabolism of 4,4'-dichlorobiphenyl by white-rot fungi Phanerochaete chrysosporium and Phanerochaete sp. MZ142.
Identifieur interne : 000770 ( Main/Exploration ); précédent : 000769; suivant : 000771Metabolism of 4,4'-dichlorobiphenyl by white-rot fungi Phanerochaete chrysosporium and Phanerochaete sp. MZ142.
Auteurs : Ichiro Kamei [Japon] ; Riichiro Kogura ; Ryuichiro KondoSource :
- Applied microbiology and biotechnology [ 0175-7598 ] ; 2006.
Descripteurs français
- KwdFr :
- MESH :
- microbiologie : Arbres.
- métabolisme : Phanerochaete, Polychlorobiphényles.
- Dépollution biologique de l'environnement, Milieux de culture.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Polychlorinated Biphenyls.
- chemical : Culture Media.
- metabolism : Phanerochaete.
- microbiology : Trees.
- Biodegradation, Environmental.
Abstract
Degradation experiment of model polychlorinated biphenyl (PCB) compound 4,4'-dichlorobiphenyl (4,4'-DCB) and its metabolites by the white-rot fungus Phanerochaete chrysosporium and newly isolated 4,4'-DCB-degrading white-rot fungus strain MZ142 was carried out. Although P. chrysosporium showed higher degradation of 4,4'-DCB in low-nitrogen (LN) medium than that in potato dextrose broth (PDB) medium, Phanerochaete sp. MZ142 showed higher degradation of 4,4'-DCB under PDB medium condition than that in LN medium. The metabolic pathway of 4,4'-DCB was elucidated by the identification of metabolites upon addition of 4,4'-DCB and its metabolic intermediates. 4,4'-DCB was initially metabolized to 2-hydroxy-4,4'-DCB and 3-hydroxy-4,4'-DCB by Phanerochaete sp. MZ142. On the other hand, P. chrysosporium transformed 4,4'-DCB to 3-hydroxy-4,4'-DCB and 4-hydroxy-3,4'-DCB produced via a National Institutes of Health shift of 4-chlorine. 3-Hydroxy-4,4'-DCB was transformed to 3-methoxy-4,4'-DCB; 4-chlorobenzoic acid; 4-chlorobenzaldehyde; and 4-chlorobenzyl alcohol in the culture with Phanerochaete sp. MZ142 or P. chrysosporium. LN medium condition was needed to form 4-chlorobenzoic acid, 4-chlorobenzaldehyde, and 4-chlorobenzyl alcohol from 3-hydroxy-4,4'-DCB, indicating the involvement of secondary metabolism. 2-Hydroxy-4,4'-DCB was not methylated. In this paper, we proved for the first time by characterization of intermediate that hydroxylation of PCB was a key step in the PCB degradation process by white-rot fungi.
DOI: 10.1007/s00253-005-0303-4
PubMed: 16528513
Affiliations:
Links toward previous steps (curation, corpus...)
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MZ142.</title><author><name sortKey="Kamei, Ichiro" sort="Kamei, Ichiro" uniqKey="Kamei I" first="Ichiro" last="Kamei">Ichiro Kamei</name><affiliation wicri:level="4"><nlm:affiliation>Department of Forest and Forest Products Sciences, Faculty of Agriculture, Kyushu University, 6-10-1 Hakozaki, Fukuoka, 812-8581, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Forest and Forest Products Sciences, Faculty of Agriculture, Kyushu University, 6-10-1 Hakozaki, Fukuoka, 812-8581</wicri:regionArea><orgName type="university">Université de Kyūshū</orgName><placeName><settlement type="city">Fukuoka</settlement><region type="province">Kyūshū</region><region type="prefecture">Préfecture de Fukuoka</region></placeName></affiliation></author><author><name sortKey="Kogura, Riichiro" sort="Kogura, Riichiro" uniqKey="Kogura R" first="Riichiro" last="Kogura">Riichiro Kogura</name></author><author><name sortKey="Kondo, Ryuichiro" sort="Kondo, Ryuichiro" uniqKey="Kondo R" first="Ryuichiro" last="Kondo">Ryuichiro Kondo</name></author></analytic><series><title level="j">Applied microbiology and biotechnology</title><idno type="ISSN">0175-7598</idno><imprint><date when="2006" type="published">2006</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biodegradation, Environmental (MeSH)</term><term>Culture Media (MeSH)</term><term>Phanerochaete (metabolism)</term><term>Polychlorinated Biphenyls (metabolism)</term><term>Trees (microbiology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Arbres (microbiologie)</term><term>Dépollution biologique de l'environnement (MeSH)</term><term>Milieux de culture (MeSH)</term><term>Phanerochaete (métabolisme)</term><term>Polychlorobiphényles (métabolisme)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Polychlorinated Biphenyls</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Culture Media</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Phanerochaete</term></keywords><keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Arbres</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Trees</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Phanerochaete</term><term>Polychlorobiphényles</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biodegradation, Environmental</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Dépollution biologique de l'environnement</term><term>Milieux de culture</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Degradation experiment of model polychlorinated biphenyl (PCB) compound 4,4'-dichlorobiphenyl (4,4'-DCB) and its metabolites by the white-rot fungus Phanerochaete chrysosporium and newly isolated 4,4'-DCB-degrading white-rot fungus strain MZ142 was carried out. Although P. chrysosporium showed higher degradation of 4,4'-DCB in low-nitrogen (LN) medium than that in potato dextrose broth (PDB) medium, Phanerochaete sp. MZ142 showed higher degradation of 4,4'-DCB under PDB medium condition than that in LN medium. The metabolic pathway of 4,4'-DCB was elucidated by the identification of metabolites upon addition of 4,4'-DCB and its metabolic intermediates. 4,4'-DCB was initially metabolized to 2-hydroxy-4,4'-DCB and 3-hydroxy-4,4'-DCB by Phanerochaete sp. MZ142. On the other hand, P. chrysosporium transformed 4,4'-DCB to 3-hydroxy-4,4'-DCB and 4-hydroxy-3,4'-DCB produced via a National Institutes of Health shift of 4-chlorine. 3-Hydroxy-4,4'-DCB was transformed to 3-methoxy-4,4'-DCB; 4-chlorobenzoic acid; 4-chlorobenzaldehyde; and 4-chlorobenzyl alcohol in the culture with Phanerochaete sp. MZ142 or P. chrysosporium. LN medium condition was needed to form 4-chlorobenzoic acid, 4-chlorobenzaldehyde, and 4-chlorobenzyl alcohol from 3-hydroxy-4,4'-DCB, indicating the involvement of secondary metabolism. 2-Hydroxy-4,4'-DCB was not methylated. In this paper, we proved for the first time by characterization of intermediate that hydroxylation of PCB was a key step in the PCB degradation process by white-rot fungi.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">16528513</PMID><DateCompleted><Year>2007</Year><Month>01</Month><Day>30</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0175-7598</ISSN><JournalIssue CitedMedium="Print"><Volume>72</Volume><Issue>3</Issue><PubDate><Year>2006</Year><Month>Sep</Month></PubDate></JournalIssue><Title>Applied microbiology and biotechnology</Title><ISOAbbreviation>Appl Microbiol Biotechnol</ISOAbbreviation></Journal><ArticleTitle>Metabolism of 4,4'-dichlorobiphenyl by white-rot fungi Phanerochaete chrysosporium and Phanerochaete sp. MZ142.</ArticleTitle><Pagination><MedlinePgn>566-75</MedlinePgn></Pagination><Abstract><AbstractText>Degradation experiment of model polychlorinated biphenyl (PCB) compound 4,4'-dichlorobiphenyl (4,4'-DCB) and its metabolites by the white-rot fungus Phanerochaete chrysosporium and newly isolated 4,4'-DCB-degrading white-rot fungus strain MZ142 was carried out. Although P. chrysosporium showed higher degradation of 4,4'-DCB in low-nitrogen (LN) medium than that in potato dextrose broth (PDB) medium, Phanerochaete sp. MZ142 showed higher degradation of 4,4'-DCB under PDB medium condition than that in LN medium. The metabolic pathway of 4,4'-DCB was elucidated by the identification of metabolites upon addition of 4,4'-DCB and its metabolic intermediates. 4,4'-DCB was initially metabolized to 2-hydroxy-4,4'-DCB and 3-hydroxy-4,4'-DCB by Phanerochaete sp. MZ142. On the other hand, P. chrysosporium transformed 4,4'-DCB to 3-hydroxy-4,4'-DCB and 4-hydroxy-3,4'-DCB produced via a National Institutes of Health shift of 4-chlorine. 3-Hydroxy-4,4'-DCB was transformed to 3-methoxy-4,4'-DCB; 4-chlorobenzoic acid; 4-chlorobenzaldehyde; and 4-chlorobenzyl alcohol in the culture with Phanerochaete sp. MZ142 or P. chrysosporium. LN medium condition was needed to form 4-chlorobenzoic acid, 4-chlorobenzaldehyde, and 4-chlorobenzyl alcohol from 3-hydroxy-4,4'-DCB, indicating the involvement of secondary metabolism. 2-Hydroxy-4,4'-DCB was not methylated. 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