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PP2A (protein phosphatase 2A) is a major phosphatase in eukaryotic cells that plays an essential role in many processes. PP2A mutations in Schizosaccharomyces pombe result in defects of cell cycle control, cytokinesis and morphogenesis. Which PP2A substrates are responsible for these changes is not known. In this work, we searched for PP2A substrates in S. pombe using two approaches, 2D‐DIGE analysis...
Fungal cells including yeasts are surrounded by cell wall that counteracts turgor pressure and prevents cell lysis. Many yeast experiments, including genetic manipulation of sterile strains, morphogenesis studies, nucleic acid isolation and many others, require mechanical breakage or enzymatic removal of the cell wall. Some of these experiments require the generation of live cells lacking cell walls,...
Although much is known about the regulation of gene transcription in eukaryotes, it is not clear whether cells have global controls that determine overall rates of transcription. We have investigated the effects that the DNA-to-protein ratio has on both total transcription and the transcription of individual genes in the unicellular eukaryote fission yeast. Mutants altered in cell size and those blocked...
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