Flavin-containing monooxygenases from Phanerochaete chrysosporium responsible for fungal metabolism of phenolic compounds.
Identifieur interne : 000439 ( Main/Exploration ); précédent : 000438; suivant : 000440Flavin-containing monooxygenases from Phanerochaete chrysosporium responsible for fungal metabolism of phenolic compounds.
Auteurs : Tomofumi Nakamura [Japon] ; Hirofumi Ichinose ; Hiroyuki WariishiSource :
- Biodegradation [ 1572-9729 ] ; 2012.
Descripteurs français
- KwdFr :
- Alignement de séquences (MeSH), Benzaldéhydes (métabolisme), Données de séquences moléculaires (MeSH), Dépollution biologique de l'environnement (MeSH), Flavines (métabolisme), Mixed function oxygenases (composition chimique), Mixed function oxygenases (génétique), Mixed function oxygenases (métabolisme), Phanerochaete (composition chimique), Phanerochaete (enzymologie), Phanerochaete (génétique), Phanerochaete (métabolisme), Phénols (métabolisme), Protéines fongiques (composition chimique), Protéines fongiques (génétique), Protéines fongiques (métabolisme), Séquence d'acides aminés (MeSH).
- MESH :
- composition chimique : Mixed function oxygenases, Phanerochaete, Protéines fongiques.
- enzymologie : Phanerochaete.
- génétique : Mixed function oxygenases, Phanerochaete, Protéines fongiques.
- métabolisme : Benzaldéhydes, Flavines, Mixed function oxygenases, Phanerochaete, Phénols, Protéines fongiques.
- Alignement de séquences, Données de séquences moléculaires, Dépollution biologique de l'environnement, Séquence d'acides aminés.
English descriptors
- KwdEn :
- Amino Acid Sequence (MeSH), Benzaldehydes (metabolism), Biodegradation, Environmental (MeSH), Flavins (metabolism), Fungal Proteins (chemistry), Fungal Proteins (genetics), Fungal Proteins (metabolism), Mixed Function Oxygenases (chemistry), Mixed Function Oxygenases (genetics), Mixed Function Oxygenases (metabolism), Molecular Sequence Data (MeSH), Phanerochaete (chemistry), Phanerochaete (enzymology), Phanerochaete (genetics), Phanerochaete (metabolism), Phenols (metabolism), Sequence Alignment (MeSH).
- MESH :
- chemical , chemistry : Fungal Proteins, Mixed Function Oxygenases.
- chemical , genetics : Fungal Proteins, Mixed Function Oxygenases.
- chemical , metabolism : Benzaldehydes, Flavins, Fungal Proteins, Mixed Function Oxygenases, Phenols.
- chemistry : Phanerochaete.
- enzymology : Phanerochaete.
- genetics : Phanerochaete.
- metabolism : Phanerochaete.
- Amino Acid Sequence, Biodegradation, Environmental, Molecular Sequence Data, Sequence Alignment.
Abstract
We investigated the cellular responses of the white-rot basidiomycete Phanerochaete chrysosporium against vanillin. Based upon a proteomic survey, it was demonstrated that two flavin-containing monooxygenases (PcFMO1 and PcFMO2) are translationally up-regulated in response to exogenous addition of vanillin. To elucidate their catalytic functions, we cloned cDNAs and heterologously expressed them in Escherichia coli. The recombinant PcFMO1 showed catalytic activities against monocyclic phenols such as phenol, hydroquinone, and 4-chlorophenol. In addition, the product from hydroquinone was identified as 1,2,4-trihydroxybenzene, an important intermediate in a metabolic pathway of aromatic compounds in which the aromatic ring of 1,2,4-trihydroxybenzene can be further cleaved by fungal dioxygenases for mineralization. Thus, the ortho-cleavage pathway of phenolic compounds would presumably be associated with PcFMO1.
DOI: 10.1007/s10532-011-9521-x
PubMed: 22102096
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<term>Phanerochaete (genetics)</term>
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<term>Dépollution biologique de l'environnement (MeSH)</term>
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<term>Protéines fongiques (métabolisme)</term>
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<term>Mixed Function Oxygenases</term>
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<keywords scheme="MESH" xml:lang="fr"><term>Alignement de séquences</term>
<term>Données de séquences moléculaires</term>
<term>Dépollution biologique de l'environnement</term>
<term>Séquence d'acides aminés</term>
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<front><div type="abstract" xml:lang="en">We investigated the cellular responses of the white-rot basidiomycete Phanerochaete chrysosporium against vanillin. Based upon a proteomic survey, it was demonstrated that two flavin-containing monooxygenases (PcFMO1 and PcFMO2) are translationally up-regulated in response to exogenous addition of vanillin. To elucidate their catalytic functions, we cloned cDNAs and heterologously expressed them in Escherichia coli. The recombinant PcFMO1 showed catalytic activities against monocyclic phenols such as phenol, hydroquinone, and 4-chlorophenol. In addition, the product from hydroquinone was identified as 1,2,4-trihydroxybenzene, an important intermediate in a metabolic pathway of aromatic compounds in which the aromatic ring of 1,2,4-trihydroxybenzene can be further cleaved by fungal dioxygenases for mineralization. Thus, the ortho-cleavage pathway of phenolic compounds would presumably be associated with PcFMO1.</div>
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<Abstract><AbstractText>We investigated the cellular responses of the white-rot basidiomycete Phanerochaete chrysosporium against vanillin. Based upon a proteomic survey, it was demonstrated that two flavin-containing monooxygenases (PcFMO1 and PcFMO2) are translationally up-regulated in response to exogenous addition of vanillin. To elucidate their catalytic functions, we cloned cDNAs and heterologously expressed them in Escherichia coli. The recombinant PcFMO1 showed catalytic activities against monocyclic phenols such as phenol, hydroquinone, and 4-chlorophenol. In addition, the product from hydroquinone was identified as 1,2,4-trihydroxybenzene, an important intermediate in a metabolic pathway of aromatic compounds in which the aromatic ring of 1,2,4-trihydroxybenzene can be further cleaved by fungal dioxygenases for mineralization. Thus, the ortho-cleavage pathway of phenolic compounds would presumably be associated with PcFMO1.</AbstractText>
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