Metamorphosis of the Basidiomycota Ustilago maydis: Transformation of yeast-like cells into basidiocarps

► We demonstrate for the first time that a species of Ustilaginomycotina is able to form basidiocarps. ► For the first time the sexual cycle of a species of Ustilaginomycotina is obtained in vitro. ► The conditions to obtain reproducibly these processes are described.