The invention relates to nucleic acid, which codes for an autoactivated resistance protein for creating a resistance to pathogens in plants, characterized in that the nucleic acid has a limited portion of an NBS-LRR resistance gene, which extends from the 5'-end of the coded region of the NBS-LRR resistance downstream to the beginning of the NBS domain of the NBS-LRR resistance gene, the NBS-LRR resistance gene not being a TIR-NBS-LRR resistance gene.