Gene-swapping is at least mentioned in the fourth paragraph of the article. I would like some more detail on this part, too. They also have more references to v

Gene-swapping is at least mentioned in the fourth paragraph of the article. I would like some more detail on this part, too. They also have more references to virus resistance for what sound like the same reasons: > Fourth paragraph: > The microbes also do not swap their engineered DNA with natural counterparts because they no longer speak life’s shared biochemical language. “Establishing safety and security from the get-go will really enable broad and open use of engineered organisms,” says Farren Isaacs, a synthetic biologist at Yale University in New Haven, Connecticut, who led the other study.