Superorganism watch --> BBC News Ancient virus DNA thrives in us

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One of the viruses was found to have invaded the genome of a common ancestor around 100 million years ago with its remnants discovered in almost every mammal in the study.

Another infected an early primate with the result that it was found in apes, humans and other primates as well.

The work established that many of these viruses lost the ability to transfer from one cell to another.

Instead they evolved to stay within their host cell where they have profilerated very effectively - spending their entire life cycle within the cell.

link: BBC News - Ancient virus DNA thrives in us

Published: April 30 2012

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