Genomics

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Changes in relative transcript amounts caused by treatment of streptozotocin and floxuridine in S.aureus USA300


ABSTRACT: Staphylococcus aureus is an important human pathogen causing skin infection and many serious diseases such as pneumonia, sepsis, and toxic shock syndrome. We identified two anti-cancer drugs, streptozotocin (STZ) and floxuridine (FU), as promising lead compounds for further optimization into effective anti-virulence drugs against S. aureus infections. To understand the molecular mechanism of the in vivo efficacy of STZ and FU, we carried out RNA-seq. S. aureus USA300 was treated with 1 ug/mL (= 3.8 uM for STZ, 4 uM for FU) for 3 h. STZ treatment altered transcription of 829 genes (382 up-regulated; 447 down-regulated) whereas FU affected the transcription of 1192 genes (580 up-regulated; 612 down-regulated). Importantly, both compounds inhibited the transcription of the other virulence-regulatory systems such as Agr, Arl, and SarA. Therefore, the results indicate that the high in vivo efficacy of STZ and FU might be due to their repression of multiple virulence regulatory systems.

ORGANISM(S): Staphylococcus aureus

PROVIDER: GSE104069 | GEO | 2018/02/13

REPOSITORIES: GEO

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