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Del Vescovo V, et al.  (2008) Role of Hog1 and Yaf9 in the transcriptional response of Saccharomyces cerevisiae to cesium chloride. Physiol Genomics 33(1):110-20

Abstract: We analysed the global transcriptional response of S. cerevisiae cells exposed to different concentrations of CsCl in the growth medium and at different times from addition. Early responsive genes were mainly involved in cell wall structure and biosynthesis. About half of the induced genes were previously shown to respond to other alkaline cations in a Hog1-dependent fashion. Western blot analysis confirmed that caesium concentrations as low as 100 mM activate Hog1 phosphorylation. Another important fraction of the caesium modulated genes requires Yaf9p for full responsiveness as shown by the transcriptome of a yaf9 deleted strain in presence of caesium. We showed that a cell wall restructuring process promptly occurs in response to caesium addition which is dependent on the presence of both Hog1 and Yaf9 proteins. Moreover, the sensitivity to low concentration of caesium of the yaf9 deleted strain is not observed in a strains carrying hog1/yaf9 double deletion. We conclude that the observed early transcriptional modulation of cell wall genes has a crucial role in S. cerevisiae adaptation to caesium. Key words: Caesium, Hog1, transcriptional response, Yaf9, cell wall.

Status: Published Type: Journal Article PubMed ID: 18198280

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Number of different genes curated to this paper: 106

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Topics Topics not linked to Genes Genes linked to topics (#1 - 10 )
AGA1 ALD3 ARO10 ATG1 BRL1 CAR2 CMK2 COX5B CPR1 CPR7
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Topics Genes linked to topics (#11 - 20 )
CWP1 CYC7 DAN4 DDR48 DOS2 DTR1 EMI1 FET3 FIT2 FLC1
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FLO1 FRE1 FUN12 GAD1 GCV2 GDI1 GLK1 GLN1 GRE2 GRX1
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Topics Genes linked to topics (#31 - 40 )
GRX2 GSP2 GTO3 HIT1 HOG1 HOR2 HSP150 IMD1 INM2 KRE5
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Topics Genes linked to topics (#41 - 50 )
MOD5 MSC2 MUP3 NOP56 NOP7 NSR1 NUM1 OPI3 PEP4 PMT6
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Topics Genes linked to topics (#51 - 60 )
PNC1 PNS1 POR1 PRB1 PRM4 PUB1 PWP1 RAD27 RCR1 REH1
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Topics Genes linked to topics (#61 - 70 )
RPL30 RPO31 RRP14 RTA1 RTC3 SEC31 SED1 SLD3 SLD5 SLK19
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Topics Genes linked to topics (#71 - 80 )
SLM5 SLM6 SMI1 SPI1 SRM1 STF2 SUP35 TAF4 TRS65 TSL1
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Topics Genes linked to topics (#81 - 90 )
UGP1 VHR2 VPS3 YAF9 YBL100C YCK2 YCR001W YCT1 YDR220C YDR413C
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Topics Genes linked to topics (#91 - 100 )
YER181C YGR051C YHR173C YJL147C YJR038C YKL083W YLR169W YLR391W YML131W YMR166C
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Topics Genes linked to topics (#101 - 106 )
YMR315W YOR146W YOR309C YOR385W YPR050C ZEO1
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