ANALYSIS OF GENETIC-RELATIONSHIPS AND ANTIMICROBIAL SUSCEPTIBILITY OFVEROTOXIN-PRODUCING ESCHERICHIA-COLI STRAINS ISOLATED IN NAGASAKI-PREFECTURE, JAPAN IN 1996
K. Izumikawa et al., ANALYSIS OF GENETIC-RELATIONSHIPS AND ANTIMICROBIAL SUSCEPTIBILITY OFVEROTOXIN-PRODUCING ESCHERICHIA-COLI STRAINS ISOLATED IN NAGASAKI-PREFECTURE, JAPAN IN 1996, Microbiology and immunology, 42(10), 1998, pp. 677-681
A total of 19 Escherichia coli O157 isolates were obtained in Nagasaki
Prefecture, in the southwestern part of Japan, between 1990 and 1996,
Pulsed-field gel electrophoresis (PFGE) and computer-assisted analysi
s were applied to determine genetic relationships among these strains.
Fragment patterns of the isolates in Nagasaki, as determined by PFGE,
were compared with those of isolates in other areas where large outbr
eaks and sporadic cases of E. coli O157 infection occurred. Similarity
values of all the strains isolated in Nagasaki Prefecture were over 0
.65 except for E, coli O26, Some strains were identical to the strains
isolated from the areas where large outbreaks occurred. All strains w
ere susceptible to ampicillin, fosfomycin, minocycline, amikacin, oflo
xacin and sulfamethoxazole-trimethoprim.