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Multiple epigenetic events regulate mating-type switching of fission yeast

  1. Author:
    Klar, A. J.
    Ivanova, A. V.
    Dalgaard, J. Z.
    Bonaduce, M. J.
    Grewal, S. I.
    1. Year: 1998
  2. Journal: Novartis Foundation Symposium
    1. 214
    2. Pages: 87-99
  4. Type of Article: Article
  1. Abstract:

    Two epigenetic events at mat1, one of which is DNA strand specific, are required to initiate recombination during mating-type switching. The third, a chromosomally borne imprinted event at the mat2/3 interval regulates silencing and directionality of switching, and prohibits interchromosomal recombination. We speculate that the unit of inheritance in the mat2/3 interval is both DNA plus its associated chromatin structure. Such a control is likely to be essential in maintaining particular states of gene expression during development.

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