Patent ID: 7244838

Claim:
A polynucleotide fragment consisting of from 15 to 100 nucleotides of SEQ ID NO: 1, or the complementary strand of said fragment, wherein said polynucleotide fragment contains at least one nucleotide position that is conserved among Vibrio parahaemolyticus strains, and which differs in other bacteria of the genus Vibrio , said nucleotide position being selected from the group consisting of nucleotide position Nos. 33, 93, 102, 123, 141, 147, 148, 192, 198, 204, 223, 229, 234, 243, 259, 261, 264, 267, 270, 384, 390, 501, 594, 597, 633, 712, 735 and 798 of SEQ ID NO: 1.