Volume 15, Number 3—March 2009
Research
Shiga Toxin–producing Escherichia coli Strains Negative for Locus of Enterocyte Effacement
Hayley J. Newton1, Joan Sloan1, Dieter M. Bulach, Torsten Seemann, Cody C. Allison, Marija Tauschek, Roy M. Robins-Browne, James C. Paton, Thomas S. Whittam, Adrienne W. Paton, and Elizabeth L. Hartland
Table 1
Escherichia coli isolates used in this study*
| Isolate | Serogroup | Origin† | LEE‡ | Ref. |
|---|---|---|---|---|
| EH41 | O113:H21 | HUS | – | (17,21,22) |
| EH53 | O113:H21 | HUS | – | (11,23) |
| EH71 | O113:H21 | HUS | – | (17) |
| 97025659 | O113:H21 | TTP | – | |
| 95016910 | O113:H21 | Food | – | |
| 95063160 | O113:H21 | Cow | – | |
| 95063151 | O113:H21 | Human | – | |
| 96037512 | O113:H21 | Food | – | |
| 97001061 | O113:H21 | Food | – | |
| 99008358 | O113:H21 | Dysentery | – | |
| EH42 | O116:H21 | HUS | – | (17) |
| EH43 | O130:H11 | HUS | – | (11) |
| EH48 | O5:H– | HUS (UTI) | – | |
| 9724772 | O5:H– | Diarrhea | – | |
| EH69 | O1:H7 | HUS | – | (11) |
| EH52 | NT:H7 | HUS | – | (11,23) |
| 9816261 | O76:H7 | HUS | – | |
| 9611588 | O128:H2 | Diarrhea | – | |
| EH5 | O91:H– | Diarrhea | – | (17) |
| EH32 | O91:H– | – | ||
| 9730196 | O87:H16 | Asymptomatic | – | |
| 9619262-1 | OR:H– | Diarrhea | – | |
| 96/4591 | O123:H– | Cow | – | |
| 85-170 | O157:H7 | HUS | + | |
| EDL933 | O157:H7 | HUS | + | (24) |
| 84-284 | O157:H7 | + | ||
| EH9 | O157:H7 | + | ||
| 9515477 | O157:H7 | HC | + | |
| 9515480 | O157:H7 | HUS | + | |
| 9515474 | O157:H7 | HUS | + | |
| 9924822 | O157:H7 | HUS | + | |
| 95005698 | O157:H– | HUS | + | |
| 95051613 | O157:H– | HC | + | |
| EH70 | O157:H– | HC | + | |
| E45035 | O111:H– | HUS | + | |
| ED142 | O111:H– | HUS | + | |
| EH38 | O111:H– | HUS | + | |
| EH44 | O26 | HUS | + | |
| EH6 | O26:H11 | + | ||
| EH34 | O26:H11 | + | ||
| EH1 | O26:H21 | Diarrhea | + | |
| EH68 | O147:H– | Diarrhea | + | |
| EH22 | O145:H25 | + |
*Isolates shown in boldface were used for allelic profiling and multilocus sequence typing phylogenetic analysis. LEE, locus of enterocyte effacement; Ref., reference; HUS, hemolytic uremic syndrome; TTP, thrombocytopenic purpura; UTI, urinary tract infection; HC, hemorrhagic colitis.
†Clinical information and source are provided where known.
‡Symbols indicate presence (+) or absence (–) of the eae gene.
