Enzyme corrects more than one million faults in DNA replication

Scientists from the Medical Research Council (MRC) Institute of Genetics and Molecular Medicine (IGMM) at the University of Edinburgh have discovered an enzyme that corrects the most common mistake in mammalian DNA.

Sex of a baby? Ancient virus makes the call

The sex of human and all mammalian babies may be determined by a simple modification of a virus that insinuated itself into the mammalian genome as recently as 1.5 million years ago, a new Yale University-led study has found.

'Cowcatcher' enzyme fixes single-strand DNA

Every time one of your cells divides, it exposes its most essential component to great danger: its genome, the sum total of all its genetic information, embodied in the double-stranded helix of DNA. Prior to cell division, ...

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