Hughes sd hbh manual

Dnt1 acts as a mitotic inhibitor of the spindle checkpoint protein

Indeed, if the SIN is precociously activated in cells arrested in metaphase, cells exit mitosis prematurely (Fankhauser , 2002b).

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Dma1 delays mitotic exit and cytokinesis by ubiquitinating a scaffold protein (Sid4) of the septation initiation network, which, in turn, antagonizes the ability of the Polo-like kinase Plo1 to promote cell division. Several lines of evidence indicate that Dnt1 inhibits Dma1 function during metaphase.

Identification of a CREB-Dependent Serotonergic Pathway and

Identification of a CREB-Dependent Serotonergic Pathway and

First, Dnt1 interacts preferentially with Dma1 during metaphase.

Expression of β-globin by cancer cells promotes cell survival

Second, Dma1 ubiquitin lase activity and Sid4 ubiquitination are elevated in , the septation initiation network (SIN) trgers actomyosin contractile ring constriction once chromosomes have segregated to opposite sides of the cell (for reviews see Mc Collum and Gould, 2001; Krapp , 2004).


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