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Innocuous:

Laboratory:

• E. coli K-12, one of two laboratory strains (innocuous)
  • Clifton wild type (!)
  • W3110
  • DH5α
  • Dam dcm strain
  • HB101
• Escherichia coli B, the other of the two lab strains from which all lab substrains originate
  • Escherichia coli BL21(DE3)

Pathogenic:

• Enterotoxigenic E. coli (ETEC)
• Enteropathogenic E. coli (EPEC)
• Enteroinvasive E. coli (EIEC)
• Enterohemorrhagic E. coli (EHEC)
• Enteroaggregative E. coli (EAEC)
• Uropathogenic E. coli (UPEC)
• Verotoxin-producing E. coli
• E. coli O157:H7 is an enterohemorrhagic strain also 2006 North American E. coli outbreak
• E. coli O104:H4, also 2011 E. coli O104:H4 outbreak
• Escherichia coli O121
• Escherichia coli O104:H21
• Escherichia coli K1, meningitis
• Adherent Invasive Escherichia coli (AIEC), morbus Crohn
• Escherichia coli NC101
• Shigella
  • Shigella flexneri
  • Shigella dysenteriae
  • Shigella boydii
  • Shigella sonnei

• Escherichia coli BL21(DE3)