Serveur d'exploration sur le phanerochaete

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Cytochrome P450 monooxygenases involved in anthracene metabolism by the white-rot basidiomycete Phanerochaete chrysosporium.

Identifieur interne : 000575 ( Main/Exploration ); précédent : 000574; suivant : 000576

Cytochrome P450 monooxygenases involved in anthracene metabolism by the white-rot basidiomycete Phanerochaete chrysosporium.

Auteurs : Nomathemba Loice Chigu [Japon] ; Sinji Hirosue ; Chie Nakamura ; Hiroshi Teramoto ; Hirofumi Ichinose ; Hiroyuki Wariishi

Source :

RBID : pubmed:20508934

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English descriptors

Abstract

Cytochrome P450 monooxygenases (P450s) involved in anthracene metabolism by the white-rot basidiomycete Phanerochaete chrysosporium were identified by comprehensive screening of both catalytic potentials and transcriptomic profiling. Functional screening of P. chrysosporium P450s (PcCYPs) revealed that 14 PcCYP species catalyze stepwise conversion of anthracene to anthraquinone via intermediate formation of anthrone. Moreover, transcriptomic profiling explored using a complementary DNA microarray system demonstrated that 12 PcCYPs are up-regulated in response to exogenous addition of anthracene. Among the up-regulated PcCYPs, five species showed catalytic activity against anthracene. Based upon both catalytic and transcriptional properties, these five species are most likely to play major roles in anthracene metabolic processes in vivo. Thus, the combination of functional screening and a microarray system may provide a novel strategy for obtaining a thorough understanding of the catalytic functions and biological impacts of PcCYPs.

DOI: 10.1007/s00253-010-2616-1
PubMed: 20508934


Affiliations:


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Le document en format XML

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<name sortKey="Nakamura, Chie" sort="Nakamura, Chie" uniqKey="Nakamura C" first="Chie" last="Nakamura">Chie Nakamura</name>
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<term>Anthracenes (metabolism)</term>
<term>Anthraquinones (metabolism)</term>
<term>Cytochrome P-450 Enzyme System (metabolism)</term>
<term>Gene Expression Profiling (MeSH)</term>
<term>Metabolic Networks and Pathways (MeSH)</term>
<term>Mixed Function Oxygenases (metabolism)</term>
<term>Oligonucleotide Array Sequence Analysis (MeSH)</term>
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<term>Phanerochaete (metabolism)</term>
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<term>Analyse de profil d'expression de gènes (MeSH)</term>
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<term>Cytochrome P-450 enzyme system (métabolisme)</term>
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<term>Phanerochaete (métabolisme)</term>
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<div type="abstract" xml:lang="en">Cytochrome P450 monooxygenases (P450s) involved in anthracene metabolism by the white-rot basidiomycete Phanerochaete chrysosporium were identified by comprehensive screening of both catalytic potentials and transcriptomic profiling. Functional screening of P. chrysosporium P450s (PcCYPs) revealed that 14 PcCYP species catalyze stepwise conversion of anthracene to anthraquinone via intermediate formation of anthrone. Moreover, transcriptomic profiling explored using a complementary DNA microarray system demonstrated that 12 PcCYPs are up-regulated in response to exogenous addition of anthracene. Among the up-regulated PcCYPs, five species showed catalytic activity against anthracene. Based upon both catalytic and transcriptional properties, these five species are most likely to play major roles in anthracene metabolic processes in vivo. Thus, the combination of functional screening and a microarray system may provide a novel strategy for obtaining a thorough understanding of the catalytic functions and biological impacts of PcCYPs.</div>
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<name sortKey="Chigu, Nomathemba Loice" sort="Chigu, Nomathemba Loice" uniqKey="Chigu N" first="Nomathemba Loice" last="Chigu">Nomathemba Loice Chigu</name>
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