mitotic spindle assembly checkpoint override
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A cellular process phenotype in which a mitotic cell cycle arrest that normally occurs in response to mitotic cell cycle spindle assembly checkpoint signaling does not occur. As a result, the septation initiation network (SIN) signaling pathway is activated despite activation of the mitotic spindle assembly checkpoint (SAC). Normally, under conditions that activate the SAC, SIN activation is inhibited and the cell cycle arrests in anaphase. In this phenotype, premature SIN activation leads to premature cytokinesis and the formation of cut cells. [ https://www.pombase.org/gene/mah https://www.pombase.org/gene/vw http://www.ncbi.nlm.nih.gov/pubmed/11952833 ]
Synonyms: mitotic SAC override mitotic cell cycle spindle assembly checkpoint override SIN activation in presence of active mitotic SAC septation initiation signaling activation in presence of active mitotic spindle assembly checkpoint abolished response to mitotic cell cycle spindle assembly checkpoint signaling
Term information
Term relations
- abnormal response to mitotic cell cycle spindle assembly checkpoint signaling
- abolished response to mitotic cell cycle checkpoint signaling
- has_output some cut
- has part some (
lacking processual parts and
during some single-celled organism vegetative growth phase and
characteristic of some response to mitotic spindle checkpoint signaling and
has modifier some abnormal)