I don't follow Intrexon and don't really know what Kirk means by synthetic biology sure seems he has done a wide array of (albeit smaller) deals I don't follow the connection(s) though.
...to acquire, for approximately $26 million, San Diego-based Medistem, Inc. (MEDS) a pioneer in the development of Endometrial Regenerative Cells ... Pursuant to the definitive agreement, Medistem stockholders will receive in exchange for each share of Medistem common stock $0.27 in cash and $1.08 worth of Intrexon common stock, based on the 20-day volume-weighted average price of Intrexon's common stock immediately prior to closing.