See this Saturday Night Live skit showing a synthetic bio-nanotech pizza (by Pfizer)
http://www.hulu.com/watch/348484/saturday-night-live-almost-pizzahttp://climate-connections.org/2012/04/09/almost-pizza-synthetic-biology-hits-saturday-night-live/
As biotechnology advances, so do the safety issues. Synthetic biology poses additional threats to public health and safety as biocontainment in private companies remains unregulated.