Tubes of <i>E. coli </i> (IMAGE)

Proceedings of the National Academy of Sciences

Tubes of <i>E. coli </i>

Caption

These are tubes of E. coli bacterial culture genetically engineered to fluoresce upon retrotransposition of the human retroelement LINE-1. The tube on the right has had expression of LINE-1 turned on, while the tube on the left has not.

Credit

Thomas E. Kuhlman

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