NDLI: Physiological Regulation, Xenobiotic Induction, and Heterologous Expression of P450 Monooxygenase Gene pc-3 (CYP63A3), a New Member of the CYP63 Gene Cluster in the White-rot FungusPhanerochaete chrysosporium

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Physiological Regulation, Xenobiotic Induction, and Heterologous Expression of P450 Monooxygenase Gene pc-3 (CYP63A3), a New Member of the CYP63 Gene Cluster in the White-rot FungusPhanerochaete chrysosporium

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Physiological Regulation, Xenobiotic Induction, and Heterologous Expression of P450 Monooxygenase Gene pc-3 (CYP63A3), a New Member of the CYP63 Gene Cluster in the White-rot FungusPhanerochaete chrysosporium

Content Provider	Springer Nature Link
Author	Doddapaneni, Harshavardhan Subramanian, Venkataramanan Yadav, Jagjit S.
Copyright Year	2005
Abstract	In order to characterize the functional diversity in CYP63 cluster of tandemly linked P450 genes (pc-1, pc-2, and pc-3) in Phanerochaete chrysosporium, here we report the functional characterization of pc-3 (CYP63A3), a newly cloned member of this group. pc-3 expression was favored in nutrient-limited versus nutrient-rich media in 3–6-day-old cultures and was upregulated by starch as a carbon source or by oxygenation of cultures. pc-3 was induced by various xenobiotics in defined nutrient-limited (3–9-fold) and nutrient-rich (2–5-fold) cultures. Particularly, a range of unsubstituted and substituted aliphatic hydrocarbons (alkanes and fatty acids) induced the expression under the two nutrient conditions albeit in a differential manner. Interestingly, pc-3 was also inducible by certain oxygenated mono aromatics (nitrophenol, benzoate, and resorcinol), lower molecular weight (2 to 4 ring size) polycyclic aromatic hydrocarbons (PAHs) and alkali-treated lignin derivatives in nutrient-rich malt extract cultures. The study further establishes that the three CYP63 genes (CYP63A1, A2, and A3) are independently regulated despite being members of the tandem gene cluster with high gene structural similarity (13–14 introns) and protein sequence homology (59–85%). The pc-3 cDNA (1,812 bp) was expressed in E. coli as a His-tagged protein (∼ 74 kDa). This constitutes the first report on heterologous expression of a P450 monooxygenase enzyme from this model white-rot fungus.
Starting Page	292
Ending Page	298
Page Count	7
File Format	PDF
ISSN	03438651
Journal	Current Microbiology
Volume Number	50
Issue Number	6
e-ISSN	14320991
Language	English
Publisher	Springer-Verlag
Publisher Date	2005-06-13
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biotechnology Microbiology
Content Type	Text
Resource Type	Article
Subject	Medicine Microbiology Applied Microbiology and Biotechnology

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P450 Redox Enzymes in the White Rot Fungus Phanerochaete chrysosporium: Gene Transcription, Heterologous Expression, and Activity Analysis on the Purified Proteins

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Genome-wide structural and evolutionary analysis of the P450 monooxygenase genes (P450ome) in the white rot fungus Phanerochaete chrysosporium : Evidence for gene duplications and extensive gene clustering

Identification of cytochrome P450 monooxygenase genes from the white-rot fungus Phlebia brevispora

Physiological Regulation, Xenobiotic Induction, and Heterologous Expression of P450 Monooxygenase Gene pc-3 (CYP63A3), a New Member of the CYP63 Gene Cluster in the White-rot FungusPhanerochaete chrysosporium

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Physiological Regulation, Xenobiotic Induction, and Heterologous Expression of P450 Monooxygenase Gene pc-3 (CYP63A3), a New Member of the CYP63 Gene Cluster in the White-rot FungusPhanerochaete chrysosporium