Research into genetic modification of yeast is happening, but requires advanced knowledge that is beyond the capability of most who have not earned advanced degrees in genetics and biochemistry. Unfortunately, it's more than an afternoon's project.
In fact, S. cerevisae was the first organism whose complete genome was determined. It has in excess of 5,000 genes. As a model laboratory organism, S. cerevisae has been extensively studied to learn about metabolic and other basic cellular processes that are common to all eucaryotic cells with broad application to human medical knowledge.
At the University of Leuven in Belgium, Kevin Verstrepen heads a group of scientists doing extensive research into yeasts of various types including ale and lager yeasts. More than 30,000 strains of yeasts are found in the lab's freezers. For more info read the article below.
http://www.nature.com/news/tapping-genetics-for-better-beer-1.20336Because of the unfounded fears of GMOs, a lot of their clients prefer to remain "under the radar", but the companies mentioned in the article included AB InBev, White Labs, Orval, and New Belgium.
The end result will be better brews and probably some exotic flavors.
Cheers!