Strain Genome size (Mbp) # of Proteins Host Location Pathological condition Pathovar Type
55989 5.15 4,759 Extracellular Diarrhoea EAEC
ABU 83972 5.13 4,796 Intracellular Bacteremia UPEC
APEC O1 5.50 4,853 Intracellular Respiratory infection (avians) AIEC
CFT073 5.23 5,369 Intracellular Urinary tract infection & pyelonephritis UPEC
E24377A 5.25 4,991 Extracellular Enterotoxicity ETEC
UMN026 5.36 5,014 Extra/Intra
-cellular
Urinary tract infection UPEC
O157:H7 5.70 5,477 Extracellular Haemorrhagic colitis EHEC
K12 MG1655 4.64 4,290 Extracellular None Non-virulent
Table 1: Seven E. coli pathovars, the non-virulent E. coli K12 strain, and their basic traits