The S. pombe orthologue of the S. cerevisiae mob1 gene is essential and functions in signalling the onset of septum formation.
We have isolated the Schizosaccharomyces pombe orthologue of the Saccharomyces cerevisiae MOB1 gene in a screen designed to enrich for septation mutants. The gene is essential, and cells lacking it display a phenotype typical of septation signalling network mutants. mob1p is located on both spindle pole bodies throughout mitosis. In ... addition it is also co-localised with the medial ring later in mitosis, and flanks the septum as the medial ring contracts. We also demonstrate that mob1p can be precipitated from cells in a complex with the septation regulating kinase sid2p.
Mesh Terms:
Alleles, Cell Cycle, Cell Cycle Proteins, Cell Membrane, Cold Temperature, DNA-Binding Proteins, Gene Expression Regulation, Fungal, Mitosis, Mitotic Spindle Apparatus, Mutation, Phosphoproteins, Protein Kinases, Saccharomyces, Saccharomyces cerevisiae Proteins, Schizosaccharomyces, Schizosaccharomyces pombe Proteins, Signal Transduction
Alleles, Cell Cycle, Cell Cycle Proteins, Cell Membrane, Cold Temperature, DNA-Binding Proteins, Gene Expression Regulation, Fungal, Mitosis, Mitotic Spindle Apparatus, Mutation, Phosphoproteins, Protein Kinases, Saccharomyces, Saccharomyces cerevisiae Proteins, Schizosaccharomyces, Schizosaccharomyces pombe Proteins, Signal Transduction
J. Cell. Sci.
Date: May. 01, 2000
PubMed ID: 10769201
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