Dinosaur dreams dashed
By Tina Hesman Saey, 15:00 PM September 15, 2013
Fans of Jurassic Park may be disappointed (or possibly relieved) to learn that you can’t get ancient DNA from amber. Insects trapped in amber may look perfectly preserved, but their DNA doesn’t hold up well, David Penney of the University of Manchester in England and colleagues report September 11 in PLOS ONE. The team tried, and failed, to extract and sequence DNA from two stingless bees (one shown above) embedded in copal, a substance that forms as plant resin becomes amber. One bee was mor...
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