Virulence characterization of Shiga-toxigenic Escherichia coli isolates from wholesale produce.
The 13 Shiga-toxigenic Escherichia coli (STEC) strains isolated from wholesale spinach and lettuce consisted mostly of serotypes that have not been implicated in illness. Among these strains, however, were two O113:H21 that carried virulence genes common to this pathogenic serotype (stx(2), ehxA, saa, and subAB), suggesting that their presence in ready-to-eat produce may be of health concern.
Division of Microbiology, US Food and Drug Administration, College Park, MD 20740, USA. peter.feng@fda.hhs.gov
Peter C H
PC
Feng
Terry
T
Councell
Christine
C
Keys
Steven R
SR
Monday
D029968:Escherichia coli Proteins / Q000235:genetics; D018545:Lactuca / Q000382:microbiology*; D054323:Shiga-Toxigenic Escherichia coli / Q000302:isolation & purification* / Q000472:pathogenicity*; D018724:Spinacia oleracea / Q000382:microbiology*; D037521:Virulence Factors / Q000235:genetics*
D029968:Escherichia coli Proteins; D037521:Virulence Factors