Identification of multiple cytochrome P450 genes belonging to the CYP4 family in Xenopus laevis: cDNA cloning of CYP4F42 and CYP4V4

2004 ◽  
Vol 138 (2) ◽  
pp. 129-136 ◽  
Author(s):  
Yoshiaki Fujita ◽  
Hiroaki Ohi ◽  
Nobuhiro Murayama ◽  
Ken-ichi Saguchi ◽  
Shigesada Higuchi
Keyword(s):  
Cytochrome P450 ◽  
Xenopus Laevis ◽  
Cdna Cloning ◽  
Cytochrome P450 Genes ◽  
Cyp4 Family

Expression of Cytochrome P450 Genes of the CYP4 Family in Midgut and Fat Body of the Tobacco Hornworm, Manduca sexta

1995 ◽  
Vol 321 (1) ◽  
pp. 13-20 ◽  
Author(s):  
M.J. Snyder ◽  
J.L. Stevens ◽  
J.F. Andersen ◽  
R. Feyereisen
Keyword(s):  
Cytochrome P450 ◽  
Manduca Sexta ◽  
Fat Body ◽  
Tobacco Hornworm ◽  
Cytochrome P450 Genes ◽  
Cyp4 Family

Expression and down-regulation of cytochrome P450 genes of the CYP4 family by ecdysteroid agonists in Spodoptera littoralis and Drosophila melanogaster

2006 ◽  
Vol 36 (10) ◽  
pp. 801-807 ◽  
Author(s):  
Lyndsay Davies ◽  
Daryl R. Williams ◽  
Ione A. Aguiar-Santana ◽  
Julia Pedersen ◽  
Philip C. Turner ◽  
...  
Keyword(s):  
Drosophila Melanogaster ◽  
Cytochrome P450 ◽  
Spodoptera Littoralis ◽  
Down Regulation ◽  
Cytochrome P450 Genes ◽  
Ecdysteroid Agonists ◽  
Cyp4 Family

First Time Ever: Cytochrome P450 Genes Discovered in Virus

2009 ◽  
Vol 4 (9) ◽  
pp. 421-421
Keyword(s):  
Cytochrome P450 ◽  
Cytochrome P450 Genes ◽  
First Time

scholarly journals Escalation of Pyrethroid Resistance in the Malaria Vector Anopheles funestus Induces a Loss of Efficacy of Piperonyl Butoxide–Based Insecticide-Treated Nets in Mozambique

2019 ◽  
Vol 220 (3) ◽  
pp. 467-475 ◽  
Author(s):  
Jacob M Riveron ◽  
Silvie Huijben ◽  
Williams Tchapga ◽  
Magellan Tchouakui ◽  
Murielle J Wondji ◽  
...  
Keyword(s):  
Cytochrome P450 ◽  
Pyrethroid Resistance ◽  
Anopheles Funestus ◽  
Resistance Mechanisms ◽  
Piperonyl Butoxide ◽  
Insecticide Treated Nets ◽  
Molecular Analyses ◽  
Cytochrome P450 Genes ◽  
High Degree ◽  
Long Lasting Insecticidal Nets

Abstract Background Insecticide resistance poses a serious threat to insecticide-based interventions in Africa. There is a fear that resistance escalation could jeopardize malaria control efforts. Monitoring of cases of aggravation of resistance intensity and its impact on the efficacy of control tools is crucial to predict consequences of resistance. Methods The resistance levels of an Anopheles funestus population from Palmeira, southern Mozambique, were characterized and their impact on the efficacy of various insecticide-treated nets established. Results A dramatic loss of efficacy of all long-lasting insecticidal nets (LLINs), including piperonyl butoxide (PBO)–based nets (Olyset Plus), was observed. This An. funestus population consistently (2016, 2017, and 2018) exhibited a high degree of pyrethroid resistance. Molecular analyses revealed that this resistance escalation was associated with a massive overexpression of the duplicated cytochrome P450 genes CYP6P9a and CYP6P9b, and also the fixation of the resistance CYP6P9a_R allele in this population in 2016 (100%) in contrast to 2002 (5%). However, the low recovery of susceptibility after PBO synergist assay suggests that other resistance mechanisms could be involved. Conclusions The loss of efficacy of pyrethroid-based LLINs with and without PBO is a concern for the effectiveness of insecticide-based interventions, and action should be taken to prevent the spread of such super-resistance.

scholarly journals Identification, methylation profiling, and expression analysis of stress-responsive cytochrome P450 genes in rice under abiotic and phytohormones stresses

2021 ◽  
pp. 1-13
Author(s):  
Muhammad Waseem ◽  
Feiyan Huang ◽  
Qiyu Wang ◽  
Mehtab Muhammad Aslam ◽  
Farhat Abbas ◽  
...  
Keyword(s):  
Cytochrome P450 ◽  
Expression Analysis ◽  
Cytochrome P450 Genes ◽  
Methylation Profiling

scholarly journals cDNA cloning and sequence analysis of the Xenopus laevis egg envelope glycoprotein gp43

1997 ◽  
Vol 39 (4) ◽  
pp. 457-467 ◽  
Author(s):  
Joy C. Yang ◽  
Jerry L. Hedrick
Keyword(s):  
Sequence Analysis ◽  
Xenopus Laevis ◽  
Cdna Cloning ◽  
Envelope Glycoprotein ◽  
Egg Envelope

scholarly journals Polymorphisms in the cytochrome P450 genes CYP1A2, CYP1B1, CYP3A4, CYP3A5, CYP11A1, CYP17A1, CYP19A1and colorectal cancer risk

BMC Cancer ◽  
2007 ◽  
Vol 7 (1) ◽  
Author(s):  
Lara Bethke ◽  
Emily Webb ◽  
Gabrielle Sellick ◽  
Matthew Rudd ◽  
Stephen Penegar ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Cytochrome P450 ◽  
Cancer Risk ◽  
Colorectal Cancer Risk ◽  
Cytochrome P450 Genes
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