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Volume 8, Number 8—August 2002


Hep-2–Adherent Escherichia coli Strains Associated with Acute Infantile Diarrhea, São Paulo, Brazil

Isabel C. A. Scaletsky*Comments to Author , Sandra H. Fabbricotti*, Sueli O. C. Silva*, Mauro B. Morais*, and Ulysses Fagundes-Neto*
Author affiliations: *Universidade Federal de São Paulo, Escola Paulista de Medicina, São Paulo, Brazil;

Main Article

Table 2

HEp-2 adherence of Escherichia coli strains isolated from infants with and without diarrhea

Adherence pattern,
DNA probea No. of infected children p value
Patientsb Controlsb
Aggregative adherence (AA) 20 3 <0.001
AA+ 17 2 <0.001
Localized adherence (LA) 17 0 <0.001
eae+, EAF+ 17 0 <0.001
Localized adherence-like pattern (LAL) 6 2 0.279
eae+ 6 2 0.279
Diffuse adherence (DA) 18 12 0.322
daaC+ 12 8 0.480

aeae, gene encoding intimin, an outer membrane protein involved in the attaching of effacing lesions promoted by enteropathogenic E. coli; EAF, enteropathogenic E. coli adherence factor; daaC, gene associated with the biogenesis of F1845, a fimbrial adhesin involved in DA; +, positive.
b n=100.

Main Article