Patent ID: 7132525

Claim:
An isolated DNA molecule encoding only a fragment of an Erwinia hypersensitive response elicitor protein or polypeptide, wherein said fragment elicits a hypersensitive response in plants and is selected from the group consisting of: (i) the C-terminal fragment of the amino acid sequence of SEQ ID NO:23 spanning amino acids 105 and 403 of SEQ ID NO:23, (ii) the N-terminal fragments of the amino acid sequence of SEQ ID NO:23 spanning the following amino acids of SEQ ID NO:23: 1 and 98, 1 and 104, 1 and 122, 1 and 168, 1 and 218, 1 and 266, 1 and 342, 1 and 321, and 1 and 372, and (iii) the internal fragments of the amino acid sequence of SEQ ID NO:23 spanning the following amino acids of SEQ ID NO:23: 76 and 209, 105 and 209, 99 and 209, 137 and 204, 137 and 200, 109 and 204, 109 and 200, 137 and 180, and 105 and 180.