Bacterial genome found within a fly's
DNA transfer from bacteria to animals is more common than thought.
Researchers have found a surprise hidden in the DNA of a fruitfly: what seems to be the entire genome of a parasitic bacterium called Wolbachia. Smaller bits of the promiscuous parasite's genetic material turned up in worms and wasps, too.

Comments
More of them, sperm cells can capture any DNA from an environment and bring it into ova during fertilization. Have a look at the presentations:
http://omnibus.uni-freiburg.de/~kouznet/smgt.pdf
http://omnibus.uni-freiburg.de/~kouznet/EA-FBIT2007.pdf
Posted by: Andrew Kuznetsov | December 15, 2007 03:16 PM