TABLE 1.

E. coli O157:H7 strains

StrainSourceaOriginal sourceO157-10 repeat copy numberb
ATCC 700927ATCCDerived from ATCC 43895, an HCd outbreak strain17.67
01A7146CA Dept. of HealthHuman feces59.67
01A6820CA Dept. of HealthHuman feces41.67
H6436CDCHuman9.67
F6750CDCNo data28.67
DEC4CSTEC CenterBuffalo48.67
Spain 401LRECCow25.67
Spain 41LRECHuman66.67
EC536 (wtc)CFSAN29.67
EC1212 (mutS)CFSAN29.67
  • a ATCC, American Type Culture Collection; CDC, Centers for Disease Control and Prevention; LREC, Laboratorio de Referencia de E. coli (Spain); CFSAN, Center for Food Safety and Applied Nutrition; CA Dept. of Health, California Department of Health; STEC Center, Shiga Toxin-Producing E. coli Center.

  • b Repeat copy number reflects the fact that a partial repeat unit is present in the available sequenced strains in addition to the full repeat units.

  • c wt, wild type.

  • d HC, hemorrhagic colitis.