Study forces a rethink on population history of Ibiza

Otago researchers have discovered a rare case of genetic population discontinuity on the Mediterranean Island of Ibiza. Essentially, the original genetic signature of the founding female population, handed down through centuries ...

Mitochondria and the art of DNA maintenance

Humans have 46 chromosomes, and each one is capped at either end by repetitive sequences called telomeres. If you ask a biologist if humans have circular DNA, they are likely to say 'no.' That is because eukaryotic cell nuclei ...

How to protect cells from selfish mitochondrial DNA

Using yeast cells as a model, scientists from the A.N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University investigated the mechanisms that allow cells to protect themselves from invasion of ...

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