A total of 466 E. coli strains from urinary tract infections (UTI) were screened for the presence and expression of the aerobactin system by a colony hybridization test and a bioassay. A probe carrying part of the genes for aerobactin synthesis was used. A total of 43.1% (201) of the strains were po
Aerobactin production of serotypedEscherichia colifrom urinary tract infections
✍ Scribed by I. Ørskov; C. Svanborg Edén; F. Ørskov
- Publisher
- Springer-Verlag
- Year
- 1987
- Tongue
- English
- Weight
- 368 KB
- Volume
- 177
- Category
- Article
- ISSN
- 0300-8584
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✦ Synopsis
Aerobactin production was examined by a bioassay in 467 Escherichia coli urinary strains from girls. All strains were of known O:K:H serotype. 139, 119 and 112 strains were isolates from pyelonephritis (Py), cystitis (Cy)and asymptomatic bacteriuria (ABU), respectively, and 97 were from fecal samples of healthy girls (FN). The incidence of aerobactin production was significantly higher among Py strains than among ABU and FN strains (P < 0.001) and also significantly higher than among Cy strains (P < 0.01). Aerobactin production was associated with serotype, e.g. the majority ofO6 : K2 : H1 strains and of O16 : K1 : H6 were positive while e.g. the O6:K13 :H1 strains were negative. There was no consistent pattern of coappearance of aerobactin and hemolysin.
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