┌─ Escherichia coli O157:H7 str. EC4486   
                                      ┌┴─────────────── Escherichia coli 1212A (1)  
                                     ┌┴─ Escherichia coli 1044A (20)  
                      ┌──────────────┴─────────────── Escherichia coli 53638 (3)  
       ┌──────────────┴──────────────┬────────────────────────────── Escherichia coli B185   
┌──────┤                             └─ Escherichia coli K12 (8)  
│      └─────────────── Escherichia coli EC4100B   
│                                                       ┌─ fig|1040638.4.peg.3447 O104:H4 str. LB226692 (4)  
│                                                ┌──────┴─ Escherichia coli (1-222/226) MS 124-1   
│                                        ┌───────┴─ Escherichia coli 1827-70   
┤                         ┌──────────────┴─ Escherichia coli MS 116-1 (1)  
│                        ┌┴─ Escherichia coli ED1a   
│                       ┌┴─ Escherichia coli ATCC 8739 (10)  
│        ┌──────────────┴─────────────── Escherichia coli MS 69-1   
│       ┌┴─ Escherichia coli H736 (3)  
│      ┌┴─ Escherichia coli B088   
└──────┤                ┌─ Escherichia coli MS 107-1 (1)  
       │               ┌┴─ Escherichia coli 042 (13)  
       └──────────────┬┴─────────────── Escherichia coli E22 (1)  
                      └──────────────┬─────────────── Escherichia coli KO11 (4)  
                                     └┬─────────────── Escherichia coli 101-1 (7)  
                                      └┬─ Escherichia coli TA143   
                                       └─────────┬─ Escherichia coli 2362-75   
                                                 └────┬─ Escherichia coli 83972 (22)  
                                                      └┬─────────────── Escherichia coli O127:H6 str. E2348/69 (1)  
                                                       └─────────────── Escherichia coli MS 21-1   
  
N-3-oxohexanoyl-L-homoserine lactone quorum-sensing transcriptional activator @ N-3-oxooctanoyl-L-homoserine lactone quorum-sensing transcriptional activator ## Regulatory activator SdiA (25)
Others (1)