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. 2008 Mar;46(2):135-9.
doi: 10.1080/13693780701742381.

Over-expression of genes coding for proline oxidase, riboflavin kinase, cytochrome c oxidase and an MFS transporter induced by acriflavin in Trichophyton rubrum

Fernando Segato  1 , Sérgio R Nozawa, Antonio Rossi, Nilce M Martinez-Rossi
Affiliations

Over-expression of genes coding for proline oxidase, riboflavin kinase, cytochrome c oxidase and an MFS transporter induced by acriflavin in Trichophyton rubrum

Fernando Segato et al. Med Mycol. 2008 Mar.

Abstract

Acriflavin (3,6-acridinediamine) and other acridine derivatives act in both prokaryotic and eukaryotic cells at the level of DNA-coiling enzymes (topoisomerases) causing the stabilization of the enzyme-DNA cleavable complex. In order to better understand the mode of action of acriflavin, Differential Display RT-PCR was used to isolate transcripts specifically over-expressed during exposure of Trichophyton rubrum mycelia to this drug. Five transcripts, whose differential expressions were confirmed by Northern blotting, revealed genes not previously described in this dermatophyte. Functional grouping identified putative enzymes possibly involved in the mitochondrial respiratory electron-transport chain and in iron transport. These results may be relevant to our understanding of the molecular events involved in the stress response of T. rubrum to acriflavin.

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