Rust fungi are obligate biotrophic pathogens that cause considerable damage on crop plants. Puccinia graminis f. sp. tritici, the causal agent of wheat stem rust, and Melampsora larici-populina, the p
Phakopsora pachyrhizi is an obligate biotrophic fungal pathogen of soybean that causes Asian soybean rust (ASR), a devastating disease that can cause yield losses of 80% or greater. P. pachy
