A Putative Effector Pst-18220, from Puccinia striiformis f. sp. tritici, Participates in Rust Pathogenicity and Plant Defense Suppression.

ABSTRACT: Stripe rust, caused by Puccinia striiformis f. sp. tritici (Pst), stands out as one of the most devastating epidemics impacting wheat production worldwide. Resistant wheat varieties had swiftly been overcome due to the emergence of new virulent Pst strains. Effectors secreted by Pst interfere with plant immunity, and verification of their biological function is extremely important for controlling wheat stripe rust. In this study, we identified an effector, Pst-18220, from Puccinia striiformis f. sp. tritici (Pst), which was induced during the early infection stage of Pst. Silencing the expression of Pst-18220 through virus-mediated host-induced gene silencing (HIGS) resulted in a decreased number of rust pustules. In Nicotia

SUBMITTER: Tian M 

PROVIDER: S-EPMC11430752 | biostudies-literature | 2024 Aug

REPOSITORIES: biostudies-literature