A polynucleotide encoding a plant gene capable of controlling disease
resistance reactions in plants is provided which includes a
polynucleotide having a nucleotide sequence encoding amino acid sequence
from methionine at position 1 to Serine at position 361 of SEQ ID NO: 2
in the sequence listing, or having the amino acid sequence having one or
several amino acid deletions, substitutions and/or additions, and being
capable of controlling disease resistance reactions.