Scientists have discovered new evidence that the pathogen that caused the Irish potato famine may have originated thousands of miles away. A study that examined the DNA of Phytophthora (P.) ...

Get Instant Summarized Text (Gist) The Irish potato famine pathogen, Phytophthora infestans, is traced back to the Andes Mountains in South America, not Mexico. Genetic analysis reveals that P ...

North Carolina State University researchers firmly point the finger at the South American Andes Mountains as the place where the Irish potato famine pathogen, Phtytophthora infestans, originated.