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Concept

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Related publications (27)

The SCF-FBXW5 E3-ubiquitin ligase is regulated by PLK4 and targets HsSAS-6 to control centrosome duplication

Pierre Gönczy, Debora Keller

Deregulated centrosome duplication can result in genetic instability and contribute to tumorigenesis(1,2). Here, we show that centrosome duplication is regulated by the activity of an E3-ubiquitin ligase that employs the F-box protein FBXW5 (ref. 3) as its ...

Nature Publishing Group2011

Noninvasive characterization of the fission yeast cell cycle by monitoring dry mass with digital holographic microscopy

Pierre Magistretti, Pierre Marquet, Christian Depeursinge, Jonas Kühn, Tristan Colomb, Benjamin Rappaz, Viesturs Simanis

Digital holography microscopy (DHM) is an optical technique which provides phase images yielding quantitative information about cell structure and cellular dynamics. Furthermore, the quantitative phase images allow the derivation of other parameters, inclu ...

SPIE Society of Photo-optical Instrumentation Engineers2009

How adeno-associated virus Rep78 relocalises Cdc25B to arrest the cell cycle : the multiple interactions of Rep78 with cellular regulatory, replication and recombination proteins

Adeno-associated virus (AAV) is a small DNA virus belonging to the family of the parvoviridae. AAV infects the human population, however no disease has been associated with this virus. On the contrary, AAV was reported to have oncosuppressive activities. T ...

EPFL2009

Phosphorylation state defines discrete roles for monopolin in chromosome attachment and spindle elongation

Viesturs Simanis

BACKGROUND: It is unknown how oscillations in Cdk1 activity drive the dramatic changes in chromosome and spindle dynamics that occur at the metaphase/anaphase transition. RESULTS: We show that the Schizosaccharomyces pombe monopolin complex has distinct fu ...

2009

Homoeostasis between the GTPase Spg1p and its GAP in the regulation of cytokinesis in S. pombe

Viesturs Simanis, Andrea Krapp

Cytokinesis in Schizosaccharomyces pombe begins at mitotic entry, when the site of division is defined by formation of the contractile acto-myosin ring (CAR) at the cell cortex. Contraction of the CAR and formation of the division septum are triggered at t ...

2008

Chemical genetic analysis of the regulatory role of Cdc2p in the S. pombe septation initiation network

Viesturs Simanis, Andrea Krapp

The protein kinase Cdc2p is the master regulator of cell cycle progression in the fission yeast Schizosaccharomyces pombe. It is required both for entry into mitosis and for onset of DNA replication. Cdc2p must be inactivated to permit exit from mitosis, l ...

2008

PLK-1 asymmetry contributes to asynchronous cell division of C. elegans embryos

Pierre Gönczy

Acquisition of lineage-specific cell cycle duration is an important feature of metazoan development. In Caenorhabditis elegans, differences in cell cycle duration are already apparent in two-cell stage embryos, when the larger anterior blastomere AB divide ...

2008