List of strains of Escherichia coli

Strains

• K-12 is from a stool sample and does not seem to be pathogenic.

• E. coli K-12, one of two main laboratory strains
• * Clifton's original K-12 and the true "wild type", which is F+ λ+ O16. Still available as ATCC 10798.
• * MG1655 "wild type", F- λ-
• ** DH1
• *** DH5α
• **** DH10b
• * W3110 "wild type", F- λ-
• * Dam dcm strainE. coli B, the other of the two main lab strains from which all lab substrains originate
• * E. coli REL606
• * E. coli BL21
• ** E. coli BL21(DE3)
• ** E. coli BL21-AI
• HB101, a hybrid between B and K-12 through recombination

• Escherichia coli NC101, a single isolate that acts as an AIEC in mice with serotype O2:H6/41

Groups of strains

• Enterotoxigenic [Escherichia coli|Enterotoxigenic E. coli]
• Enteropathogenic E. coli
• Enteroinvasive E. coli
• Shigatoxigenic and verotoxigenic Escherichia coli, which includes:
• * Enterohemorrhagic E. coli
• ** Hemolytic uremic syndrome–associated enterohemorrhagic E. coli
• * E. coli O157:H7
• ** 2006 North American E. coli outbreak
• * Escherichia coli O121
• * And technically: Shigella
• ** Shigella flexneri
• ** Shigella dysenteriae
• ** Shigella boydii
• ** Shigella sonnei
• Enteroaggregative E. coli
• * E. coli O104:H4
• ** 2011 E. coli O104:H4 outbreak
• * Escherichia coli O104:H21
• Uropathogenic E. coli
• Escherichia coli K1, meningitis
• Adherent-invasive Escherichia coli, morbus Crohn