| http://purl.uniprot.org/citations/22209528 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/22209528 | http://www.w3.org/2000/01/rdf-schema#comment | "BackgroundThe spindle checkpoint ensures accurate chromosome transmission by delaying chromosome segregation until all chromosomes are correctly aligned on the mitotic spindle. The checkpoint is activated by kinetochores that are not attached to microtubules or are attached but not under tension and arrests cells at metaphase by inhibiting the anaphase-promoting complex (APC) and its coactivator Cdc20. Despite numerous studies, we still do not understand how the checkpoint proteins coordinate with each other to inhibit APC(Cdc20) activity.ResultsTo ask how the checkpoint components induce metaphase arrest, we constructed fusions of checkpoint proteins and expressed them in the budding yeast Saccharomyces cerevisiae to mimic possible protein interactions during checkpoint activation. We found that expression of a Mad2-Mad3 protein fusion or noncovalently linked Mad2 and Mad3, but not the overexpression of the two separate proteins, induces metaphase arrest that is independent of functional kinetochores or other checkpoint proteins. We further showed that artificially tethering Mad2 to Cdc20 also arrests cells in metaphase independently of other checkpoint components.ConclusionOur results suggest that Mad3 is required for the stable binding of Mad2 to Cdc20 in vivo, which is sufficient to inhibit APC activity and is the most downstream event in spindle checkpoint activation."xsd:string |
| http://purl.uniprot.org/citations/22209528 | http://purl.org/dc/terms/identifier | "doi:10.1016/j.cub.2011.12.029"xsd:string |
| http://purl.uniprot.org/citations/22209528 | http://purl.uniprot.org/core/author | "Murray A.W."xsd:string |
| http://purl.uniprot.org/citations/22209528 | http://purl.uniprot.org/core/author | "Lau D.T."xsd:string |
| http://purl.uniprot.org/citations/22209528 | http://purl.uniprot.org/core/date | "2012"xsd:gYear |
| http://purl.uniprot.org/citations/22209528 | http://purl.uniprot.org/core/name | "Curr Biol"xsd:string |
| http://purl.uniprot.org/citations/22209528 | http://purl.uniprot.org/core/pages | "180-190"xsd:string |
| http://purl.uniprot.org/citations/22209528 | http://purl.uniprot.org/core/title | "Mad2 and Mad3 cooperate to arrest budding yeast in mitosis."xsd:string |
| http://purl.uniprot.org/citations/22209528 | http://purl.uniprot.org/core/volume | "22"xsd:string |
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