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Iwahashi H, et al.  (2003) Piezophysiology of genome wide gene expression levels in the yeast Saccharomyces cerevisiae. Extremophiles 7(4):291-8

Abstract: Hydrostatic pressure is one of the physical factors affecting cellular physiology. Hydrostatic pressure of a few hundred MPa decreases the viability of yeast cells, and pressure of a few tens MPa decreases the growth rate. To understand the effect of hydrostatic pressure, we employed yeast DNA microarrays and analyzed genome-wide gene-expression levels after the pressure treatment with 180 MPa (immediate) at 4 degrees C and recovery incubation for 1 h and 40 MPa (16 h) at 4 degrees C and recovery incubation for 1 h. The transcription of genes involved in energy metabolism, cell defense, and protein metabolism was significantly induced by the pressure treatment. Genome-wide expression profiles suggested that high pressure caused damage to cellular organelles, since the induced gene products were localized in the membrane structure and/or cellular organelles. Hierarchical clustering analysis suggested that the damage caused by the pressure was similar to that caused by detergents, oils, and freezing/thawing. We also estimated the contribution of induced genes to barotolerance using some strains that have the deletion in the corresponding genes.

Status: Published Type: Journal Article PubMed ID: 12910389

Topics addressed in this paper

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Topics Topics not linked to Genes Genes linked to topics (#1 - 10 )
AIM17 ARG5,6 ATG8 BIO2 BTN2 CPR6 CRP1 CYC7 EMI2 FMP52
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Genomic expression study yg ball
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Topics Genes linked to topics (#11 - 20 )
GET3 GOR1 GPM2 HAC1 HRP1 HSP104 HSP26 HSP78 HSP82 HXK1
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Topics Genes linked to topics (#21 - 30 )
IDP3 MET17 MIC17 MRP8 MSC1 OYE2 PAR32 PGA3 PRE8 RDL1
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Topics Genes linked to topics (#31 - 40 )
RNR2 RNR4 RPN11 RPN4 RPN7 RPT5 SGT2 SHE10 SSA1 SSA4
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Topics Genes linked to topics (#41 - 50 )
TMA10 UBC5 UBC8 UBI4 VID27 YBR284W YDL172C YDR445C YFR024C YHR054C
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YHR138C YKR011C YLR162W YLR217W YNL155W YPR150W
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