Wednesday, February 15, 2012

Mammals Made By Viruses | Cell Press Daily News Aggregator


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If not for a virus, none of us would ever be born.
In 2000, a team of Boston scientists discovered a peculiar gene in the human genome. It encoded a protein made only by cells in the placenta. They called it syncytin.
The cells that made syncytin were located only where the placenta made contact with the uterus. They fuse together to create a single cellular layer, called the sy...

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