date:Apr 11, 2014
rating birds as the agents responsible for transporting the microbe to Wisconsin, says Hittinger. What we think is happening is that well-established, genetically diverse populations are sending migrants around the world. Generally, they're not successful, but occasionally they are.
Thankfully, Saccharomyces eubayanus met a match in Europe to form the lager hybrid. The world's 1,500 or so described yeasts are masters of what scientists call reticulate evolution, the ability to add traits by hyb