Genes & Cells

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Mota Cave

HOME SWEET GENOME  A 4,500-year-old man’s skeleton found in Ethiopia’s Mota Cave has yielded the first ancient human genome from Africa. Rocks placed over the man’s burial were cleared away before excavating the skeleton.


MOLECULAR EDITORS  Tomas Lindahl (left), Aziz Sancar (center) and Paul Modrich (right) shared the 2015 Nobel Prize in chemistry for working out how cells fix damaged DNA.

dna ligase

Specialized proteins (blue and yellow) can repair damaged DNA. The 2015 Nobel Prize in chemistry was awarded to three researchers who determined how the cell works to protect genetic material in the face of environmental damages or DNA-copying errors.

Genes & Cells

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