Transcription profiling of eleven cytochrome P450s potentially involved in xenobiotic metabolism in the mosquito Aedes aegypti

被引：88

作者：

Poupardin, R. ^{[1
]}

Riaz, M. A. ^{[1
]}

Vontas, J. ^{[2
]}

David, J. P. ^{[1
]}

Reynaud, S. ^{[1
]}

机构：

[1] CNRS Univ, Equipe Perturbat Environm & Xenobiot, LECA, UMR 5553, F-38041 Grenoble, France

[2] Univ Crete, Lab Mol Entomol, Fac Biotechnol & Appl Biol, Dept Biol, Iraklion, Crete, Greece

来源：

INSECT MOLECULAR BIOLOGY | 2010年 / 19卷 / 02期

关键词：

cytochrome P450 monooxygenases; CYPs; Aedes aegypti; mosquitoes; gene induction; xenobiotics; detoxification; insecticides; ANOPHELES-GAMBIAE; DROSOPHILA-MELANOGASTER; INSECTICIDE RESISTANCE; DETOXIFICATION GENES; PAPILIO-POLYXENES; LARVAL TOLERANCE; MALARIA VECTOR; EXPRESSION; INDUCTION; DIPTERA;

D O I：

10.1111/j.1365-2583.2009.00967.x

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Transcription profiles of 11 Aedes aegypti P450 genes from CYP6 and CYP9 subfamilies potentially involved in xenobiotic metabolism were investigated. Many genes were preferentially transcribed in tissues classically involved in xenobiotic metabolism including midgut and Malpighian tubules. Life-stage transcription profiling revealed important variations amongst larvae, pupae, and adult males and females. Exposure of mosquito larvae to sub-lethal doses of three xenobiotics induced the transcription of several genes with an induction peak after 48 to 72 h exposure. Several CYP genes were also induced by oxidative stress and one gene strongly responded to 20-hydroxyecdysone. Overall, this study revealed that these P450s show different transcription profiles according to xenobiotic exposures, life stages or sex. Their putative chemoprotective functions are discussed.

引用

页码：185 / 193

页数：9

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