Nature World News: The same plant pathogen responsible for the devastating Irish Potato Famine of the 1840s is even more virulent now, after going through more than a century of genetic mutations that provide the pathogen with a greater means to harm and kill plants, according to researchers studying early and modern strains of the pathogen.
Plant pathologists from North Carolina State University and the University of Copenhagen analyzed the genomes of five 19th century strains of Phytophthora infestans and compared...