That article cites a similar article with more details from 2008: Can This Fruit Be Saved? Here is a quote from that article: A Ted Talk on the American Chestnut included a section on Transgenics. The video is included in this posting, see the section around 9 minutes in. American Chestnut in the Lower Mainland? He doesn't use the term "DNA-altered" or "genetically-engineered", but isn't that the same?