Irish potato famine microbe traced to Mexico
By Ashley Yeager, 10:57 AM June 3, 2014
The pathogen that triggered the Irish potato famine in the 1840s probably originated in central Mexico, not in the Andes, as some studies had suggested.
A genetic analysis of the pathogen, Phytophthora infestans, and its closest known relatives suggest that the microbes found in the Andes are descendants of the Mexican-based pathogens, scientists report June 2 in the Proceedings of the National Academy of Sciences.
The finding appears to resolve the debate over two competing theories of where t...
Source URL: https://www.sciencenews.org/blog/science-ticker/irish-potato-famine-microbe-traced-mexico