Fuente: WIPO "tomato" The present invention relates to polynucleotides which, when expressed in a Triticeae plant cell, particularly wheat, barley or rye plant cells confer or enhance resistance or tolerance towards leaf rust disease and/or stripe rust disease, and to Triticeae plants comprising the polynucleotides that are tolerant or resistant to the rust diseases, as well as to methods of producing same and of identifying resistant plants.