Effects of Pseudomonas aeruginosa infection on the expression profile of transient receptor potential-like (TRPL) gene from Drosophila melanogaster.

In an endeavor to monitor the effects of experimental infections with Pseudomonas aeruginosa on gene expression profiles of the eukaryotic model host, we focused on transient receptor potential-like (trpl) pleiotropic gene of Drosophila melanogaster (the fruit fly). Herein we report qRT-PCR data derived from experimental infections of male fruit flies with different genetic backgrounds by pricking and ingesta procedures, as compared to previous results obtained by microarray technology consecutive to ingesta experiments. Whenever statistically significant, the qRT-PCR results obtained for the whole body and intestine of Oregon wild-type flies infected with P. aeruginosa are in agreement with the microarray ones. Both expression profiling technologies revealed similar values of downregulation, supporting the robustness of trpl as a novel gene model for inquiring hostpathogen interactions. On the other hand, the downregulation of trpl in gammaCop mutant males is not confirmed by qRT-PCR data, suggesting that this mutant background is more sensitive to environmental and experimental conditions.

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