Stochastic modelling of chromosomal segregation : errors can introduce correction
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Cell division is a complex process requiring the cell to have many internal checks so that division may proceed and be completed correctly. Failure to divide correctly can have serious consequences, including progression to cancer. During mitosis, chromosomal segregation is one such process that is crucial for successful progression. Accurate segregation of chromosomes during mitosis requires regulation of the interactions between chromosomes and spindle microtubules. If left uncorrected, chromosome attachment errors can cause chromosome segregation defects which have serious effects on cell fates. In early prometaphase, where kinetochores are exposed to multiple microtubules originating from the two poles, there are frequent errors in kinetochore-microtubule attachment. Erroneous attachments are classified into two categories, syntelic and merotelic. In this paper, we consider a stochastic model for a possible function of syntelic and merotelic kinetochores, and we provide theoretical evidence that merotely can contribute to lessening the stochastic noise in the time for completion of the mitotic process in eukaryotic cells.
Matzavinos , A , Roitershtein , A , Shtylla , B , Voller , Z , Liu , S & Chaplain , M A J 2014 , ' Stochastic modelling of chromosomal segregation : errors can introduce correction ' , Bulletin of Mathematical Biology , vol. 76 , no. 7 , pp. 1590-1606 . https://doi.org/10.1007/s11538-014-9969-z
Bulletin of Mathematical Biology
© 2014, Publisher / the Author(s). This work is made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at link.springer.com / https://dx.doi.org/10.1007/s11538-014-9969-z
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