Txonomic treatments of Triticeae and the wheat genus Triticum -- Origin and evolution of wheat and related Triticeae species -- Wheat breeding - current status and bottlenecks -- The crossability of wheat with rye and other related species - kr genes -- Gametocidal genes -- The mode and regulation of chromosome pairing in wheat-alien hybrids (Ph genes, an updated view) -- Introgressions between wheat and rye -- Alien introgressions from wild Triticum species: T. monococcum, T. urartu, T. turgidum, T. dicoccon, T. dicoccoides, T. carthlium, T. araraticum, T. timopheevii and T. Miguschovae -- Wheat - Aegilops introgressions -- Aegilops tauschii introgressions in wheat -- Wheat-perennial Triticeae introgressions: major achievements and prospects -- Wheat - barley hybrids and introgression lines -- Genomics of wild relatives and introgressions.