TABLE 1.
Members of the Enterobacteriaceae used in this study
| Species | Strain | Origin | Serotype |
|---|---|---|---|
| Enterobacter sakazakii (“Cronobacter” spp.) | |||
| C. sakazakii | CFS06 | Acid casein powder | 1 |
| C. sakazakii | CFS10 | Acid casein powder | 2 |
| C. sakazakii | CFS104 | Milk powder | 1 |
| C. sakazakii | CFS122 | Environmental | 1 |
| C. malonaticus*a | CFS129 | Environmental | NDb |
| C. sakazakii | CFS131 | Milk powder | 1 |
| C. sakazakii | CFS136 | Environmental | 2 |
| C. sakazakii | CFS149 | Environmental | 2 |
| C. sakazakii | CFS153 | Environmental | 1 |
| C. sakazakii | CFS164 | Environmental | 1 |
| C. sakazakii | CFS173 | Milk powder | ND |
| C. sakazakii | CFS175 | Environmental | 2 |
| C. sakazakii | CFS176 | Environmental | 2 |
| C. dublinensis* | CFS237 | Milk powder | ND |
| C. sakazakii | CFS1001 | Environmental | 1 |
| C. sakazakii | 44 | Environmental | 1 |
| C. sakazakii | 71 | Environmental | 2 |
| C. sakazakii | 79 | Environmental | 2 |
| C. sakazakii | 80 | Environmental | 2 |
| C. sakazakii | 82 | Environmental | ND |
| C. sakazakii | 88 | Environmental | 1 |
| C. sakazakii | 90 | Environmental | 1 |
| C. sakazakii | 93 | Environmental | 1 |
| C. sakazakii | 102 | Environmental | ND |
| C. sakazakii | 109 | Environmental | 2 |
| C. sakazakii | 228N | Milk powder | 2 |
| C. sakazakii | 305N | Milk powder | 1 |
| C. sakazakii | 343 | Environmental | 2 |
| C. sakazakii | 344 | Environmental | ND |
| C. sakazakii | 366 | Environmental | ND |
| C. sakazakii | E604 | Clinical | 2 |
| C. sakazakii | E632 | Infant food | 1 |
| C. sakazakii | E770 | Milk powder | 1 |
| C. sakazakii | E775 | Milk powder | 2 |
| C. sakazakii | E784 | Neonate | 1 |
| C. sakazakii | E787 | Clinical | 2 |
| C. sakazakii | E824 (CDC 0996-77) | Human spinal (fluid) | 1 |
| C. malonaticus* | E825 (CDC 1058-77 | Human (breast abscess) | ND |
| C. sakazakii | E826 (CDC 1059-77) | Unknown | ND |
| C. sakazakii | E827 (CDC 0407-77) | Human (septum) | 1 |
| C. sakazakii | E828 (CDC 3128-77) | Human (septum) | 1 |
| C. malonaticus* | E829 (CDC 1716-77) | Human (Blood) | ND |
| C. sakazakii | E830 (CDC 9369-75) | Unknown | 2 |
| C. sakazakii | E837 | Clinical | 2 |
| C. sakazakii | E839 | Neonate | ND |
| C. sakazakii | E844 | Neonate | 2 |
| C. sakazakii | E846 | Neonate | 2 |
| C. turicensis* | E866 | Neonate | ND |
| C. sakazakii | E891 | Clinical | 1 |
| C. sakazakii | E892 | Clinical | 2 |
| C. sakazakii | E899 (CDC 0289-81) | Clinical | 2 |
| C. sakazakii | E900 (CDC 0322-78) | Clinical | 2 |
| C. sakazakii | E901 (CDC 1123-79) | Clinical | 2 |
| C. sakazakii | ATCC 12868 | Unknown | 2 |
| C. sakazakii | NCTC 8155 (CDC 9081-75) | Milk powder | 2 |
| C. sakazakii | NCTC 9238 | Human (abdominal puss) | 2 |
| C. sakazakii | NCTC 29004 | Unknown | 2 |
| C. genomospecies 1* | NCTC 9529 | Water | ND |
| C. sakazakii | NCTC 11467 (ATCC 29544) | Human (throat) | 1 |
| C. sakazakii | ATCC BAA 893 | Milk powder | 1 |
| C. sakazakii | ATCC BAA 894 | Neonate | 1 |
| C. muytjensii* | ATCC 51329 | Unknown | ND |
| Non-Enterobacter sakazakii (“Cronobacter” spp.) | |||
| Escherichia coli (EPEC) | ND | ND | |
| Escherichia coli (ETEC) | ND | ND | |
| Escherichia coli | K12 NC10538:06 | ND | ND |
| Salmonella enterica serovar Anatum | ND | ND | |
| Salmonella enterica serovar Agona | NCTC11377 | ND | ND |
| Salmonella enterica serovar Typhimurium | LT2 NCTC12416 | ND | ND |
| Salmonella enterica serovar Enterica PT4 | NCTC13349 | ND | ND |
| Citrobacter youngae | ND | ND | |
| Citrobacter sedlakii | ND | ND | |
| Citrobacter braakii | ND | ND | |
| Citrobacter koseri | ND | ND | |
| Citrobacter freundii | ATCC 8090 | ND | ND |
| Citrobacter koseri | NCTC10768 | ND | ND |
| Klebsiella oxytoca | ATCC 43086 | ND | ND |
| Klebsiella pneumoniae | ATCC 13883 | ND | ND |
| Yersinia enterocolitica | ND | ND | |
| Enterobacter helveticus | ND | ND | |
| Escherichia hermannii | ND | ND | |
| Enterobacter hormaechei | ND | ND | |
| Enterobacter cancerogenes | ND | ND | |
| Escherichia vulneris | ND | ND | |
| Enterobacter cloacae | NCTC11933 | ND | ND |
| Enterobacter aerogenes | NCTC10006 | ND | ND |
| Enterobacter gergoviae | NCTC11434 | ND | ND |
| Enterobacter agglomerans | NCTC9381 | ND | ND |
a
*, proposed species names for taxonomic change according to Iversen et al. (20).
b
ND, not determined.