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Nup42-delta cells pretreated with NaCl lose the altered gene expression in response to H2O2

ABSTRACT: BY4741 (S288c haploid) cells have different gene expression in response to 0.4mM H2O2 when pretreated with 0.7M NaCl compared to cells that are not pretreated with NaCl (mock cells). Cells lacking Nup42p do not exhibit a different gene expression in response to H2O2 between naive cells and cells pretreated with 0.7M NaCl

ORGANISM(S): Saccharomyces cerevisiae

PROVIDER: GSE32196 | GEO | 2011/09/18

SECONDARY ACCESSION(S): PRJNA147377

REPOSITORIES: GEO

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Cells pretreated with NaCl have an altered gene expression in response to H2O2.

Project description:BY4741 (S288c haploid) cells have different gene expression in response to 0.4mM H2O2 when pretreated with 0.7M NaCl compared to cells that are not pretreated with NaCl (mock cells). BY4741 cells were grown in log phase for 3 doublings (t0) and then the genomic expression of mock cells to 0.4mM H2O2 was assessed every 10 mins for 40 mins. To study the effects of NaCl treatement on H2O2 response, BY4741 cells were grown in log phase for 3 doublings (t0) and then the genomic expression of cells was measured in response to 0.7M NaCl over the course of 60 min every 15 mins. The cells were then removed from stress and grown in stress free media for four hours (T240). Then these cells were exposed to 0.4mM H2O2 and the genomic expression was measured every 10 minutes during the H2O2 timecourse of 40 minutes. To see if the handling of cells had an affect on gene expression, BY4741 cells were grown for exponentially for 3 doublings (t0), received a mock YPD treatment for 60 mins, grown for 4 hours (T240) and then collected to asses genomic expression. Duplicates were done for at 30 and 45 minutes for the NaCl timecourse, triplicate were done for 0, 10 and 20 minutes in H2O2 timecourse and duplicates were done for 30 and 40 minutes in the H2O2 timecourse.

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