A conserved tetrapolar mating system permits sexual hybridization and recombinant host phenotypes in wheat- and barley-adapted Puccinia striiformis
Shideh Mojerlou, Zhenyan Luo, Rita Tam, Mareike Möller, Ashley Jones, Benjamin Schwessinger, Julián Rodríguez-Algaba
This study shows that wheat- and barley-adapted Puccinia striiformis can sexually hybridize on a shared alternate host, producing progeny with novel host phenotypes.
bioRxiv · Oct 28, 2026 · PreprintMicrobiology