Project description:DNA damage response (DDR) plays pivotal roles in maintaining genome integrity and stability. An effective DDR requires the involvement of hundreds of genes that compose a complicated network. To identify novel genes involved in DDR, we screened a genome-wide Schizosaccharomyces pombe (S. pombe) haploid deletion library against six different DNA damage reagents. We identified 52 genes that were actively involved in DDR. Among the 52 genes, 20 genes were linked to DDR for the first time. For a better understanding of DDR genes function, we performed a DNA microarray assay to analyze the gene expression profiles of eight deletions.
Project description:DNA damage response (DDR) plays pivotal roles in maintaining genome integrity and stability. An effective DDR requires the involvement of hundreds of genes that compose a complicated network. To identify novel genes involved in DDR, we screened a genome-wide Schizosaccharomyces pombe (S. pombe) haploid deletion library against six different DNA damage reagents. We identified 52 genes that were actively involved in DDR. Among the 52 genes, 20 genes were linked to DDR for the first time. For a better understanding of DDR genes function, we performed a DNA microarray assay to analyze the gene expression profiles of eight deletions. Cells of wild type and eight deletions involved in DDR were collected during the expontentially growing stage, and were subjected to RNA extraction and hybridization on Affymetrix microarrays. We tried to understand the role of genes in DDR by comparing the expression profiles of deletions with that of wild type.
Project description:We use high-density tiling DNA microarray technology to obtain the specific transcriptome-wide response induced by 5-Fluorouracil (5FU) in the eukaryotic model Schizosaccharomyces pombe.
Project description:We use high-density tiling DNA microarray technology to obtain the specific transcriptome-wide response induced by 5-Fluorouracil (5FU) in the eukaryotic model Schizosaccharomyces pombe. Schizosaccharomyces pombe cultures with 5FU added to a final concentration of 500 M-NM-<M. Incubation was allowed to proceed for 0, 15, 60 and 240 minutes.Two biological replicates each.
Project description:Expression profiles of polg mutant cells reveal that many genes encoding proteins involved in cell wall biogenesis and stress response are induced, suggesting that polg mutant cells attempt to maintain growth potential and undergo extensive oxidative metabolism. Conversely, many genes encoding proteins involved in ribosome biogenesis and respiration are repressed, indicating that cells depleted of mtDNA are adapted to grow slowly in absence of mitochondrial function. Keywords: Schizosaccharomyces pombe ployg mutant cells vs wild type cells.
