DNA dot blot hybridization test carried out with V. cholerae strains using ompW (A) and toxR (B) gene probes. The test strains used were V. cholerae O1 classical (O395 [blot 1], 569B [blot 2], and ATCC 14035 [blot 3]), O1 El Tor (PG27 [blot 4] and ATCC 39315 [blot 5]), O139 (Arg3 [blot 6] and SG25 [blot 7]), rough ALO46 (blot 8), non-O1/non-O139 (ATCC 25872 [blot 9], ATCC 25874 [blot 10], V5 [blot 11], and S7 [blot 12]), V. mimicus ATCC 33653 (blot 13), V. tyrogens (blot 14), V. alginolyticus ATCC 17749 (blot 15), V. anguillarum ATCC 19264 (blot 16), V. furnissii ATCC 35016 (blot 17), V. proteolyticus ATCC 15338 (blot 18), V. mimicus (blot 19), V. vulnificus (ATCC 33816 [blot 20] and ATCC 27562 [blot 21]), V. salmonicida ATCC 43839 (blot 22), V. parahaemolyticus (121 [blot 23] and RIMD 2210001 [blot 24]), V. splendidus ATCC 33125 (blot 25), V. carchariae ATCC 35084 (blot 26), V. aestuarianus ATCC 35048 (blot 27), V. nereis ATCC 25917 (blot 28), V. natriegens ATCC 14048 (blot 29), V. tubiashii ATCC 19109 (blot 30), V. fluvialis ATCC 33809 (blot 31), Aeromonas sp. (blot 32), E. coli ATCC 25922 (blot 33), Shigella sp. (blot 34), Salmonella sp. (blot 35), and P. aeruginosa ATCC 27853 (blot 36).