Aging: The Sins of the Parents

نویسنده

  • James E. Haber
چکیده

Yeast cells have an asymmetric, stem-cell-like division. As the mother cell ages it becomes 100 times more genetically unstable, but it is only the daughter cells that exhibit loss of heterozygosity; the latter effect is not connected to SIR2-dependent aging, but seems to be accompanied by a loss of the DNA damage checkpoint.

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عنوان ژورنال:
  • Current Biology

دوره 13  شماره 

صفحات  -

تاریخ انتشار 2003