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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Dicer is required for chromosome segregation and gene silencing in fission yeast cells.

RNA interference is a form of gene silencing in which the nuclease Dicer cleaves double-stranded RNA into small interfering RNAs. Here we report a role for Dicer in chromosome segregation of fission yeast. Deletion of the Dicer (dcr1+) gene caused slow growth, sensitivity to thiabendazole, lagging chromosomes during anaphase, and abrogated silencing of centromeric repeats. As Dicer in other species, Dcr1p degraded double-stranded RNA into approximately 23 nucleotide fragments in vitro, and dcr1Delta cells were partially rescued by expression of human Dicer, indicating evolutionarily conserved functions. Expression profiling demonstrated that dcr1+ was required for silencing of two genes containing a conserved motif.[1]


  1. Dicer is required for chromosome segregation and gene silencing in fission yeast cells. Provost, P., Silverstein, R.A., Dishart, D., Walfridsson, J., Djupedal, I., Kniola, B., Wright, A., Samuelsson, B., Radmark, O., Ekwall, K. Proc. Natl. Acad. Sci. U.S.A. (2002) [Pubmed]
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