┌─ Escherichia coli (4-501/677) MS 21-1   
                                                                  ┌┴─ Escherichia coli (4-501/677) B7A (1)  
                                                                 ┌┴─ Escherichia coli (4-501/677) SMS-3-5   
                                                                ┌┴┬─ Escherichia coli (4-501/677) K12 (103)  
                                                               ┌┤ └─ Escherichia coli (4-500/676) ETEC H10407   
                                                               │└┬─ fig|6666666.5357.peg.3724 TY-2482 (4-501/677) strain   
                                                              ┌┤ └─ Escherichia coli (4-501/677) 536 (4)  
                              ┌───────────────────────────────┤└─ Escherichia coli (4-501/677) MS 145-7   
┌─────────────────────────────┤                               └─ Escherichia coli (4-501/677) MS 115-1   
│                             └───────────────┬─ Escherichia coli (11-506/667) MS 175-1   
│                                             └┬─ Escherichia coli (11-506/667) E24377A (1)  
│                                              └┬─ Escherichia coli (11-506/667) MS 107-1 (1)  
│                                               └┬─ Escherichia coli (9-504/665) 042 (11)  
│                                                └┬─ Escherichia coli (11-506/667) 2362-75   
│                                                 └─ Escherichia coli (9-504/665) BL21 (7)  
│                                                       ┌─ Escherichia coli (21-502/536) B185   
│                                                      ┌┴─ Escherichia coli (21-502/536) E24377A (3)  
│                                                     ┌┴─ Escherichia coli (21-502/536) HS (1)  
┤                                                    ┌┴┬─ Escherichia coli (21-502/536) 1125A (13)  
│                                                   ┌┤ └─ Escherichia coli (21-502/536) E110019 (1)  
│                                                   │└─ fig|1040638.4.peg.3877 O104:H4 (21-502/536) str. LB226692 (41)  
│                                                  ┌┤ ┌─ Escherichia coli (21-502/536) E22 (2)  
│                                                  │└┬┴─ Escherichia coli (21-502/536) B171 (1)  
│                                                  │ └┬─ Escherichia coli (21-502/536) B354   
│            ┌─────────────────────────────────────┤  └┬─ Escherichia coli (21-502/536) TA143   
│            │                                     │   └─ Escherichia coli (21-502/536) H299   
│            │                                     └─ Escherichia coli (21-502/536) MS 69-1   
│            │                                                        ┌─ Escherichia coli (47-542/555) UM146 (3)  
└────────────┤                                                       ┌┴─ Escherichia coli (47-542/555) APEC O1 (1)  
             │                                                      ┌┴┬─ Escherichia coli (5-500/513) SMS-3-5   
             │                                                     ┌┤ └─ Escherichia coli (47-542/555) TA206 (1)  
             │    ┌────────────────────────────────────────────────┤└─ Escherichia coli (5-500/513) O83:H1 str. NRG 857C   
             │    │                                                └┬─ Escherichia coli (5-500/513) M605   
             └────┤                                                 └─ Escherichia coli (5-500/513) WV_060327   
                  │                                          ┌─ Escherichia coli M605   
                  └──────────────────────────────────────────┤ ┌─ Escherichia coli ED1a (1)  
                                                             │┌┴─ Escherichia coli 2362-75 (15)  
                                                             └┤ ┌─ Escherichia coli MS 84-1   
                                                              │┌┴─ Escherichia coli MS 200-1   
                                                              └┤ ┌─ Escherichia coli O103:H2 str. 12009   
                                                               │┌┴─ Escherichia coli IAI1 (1)  
                                                               └┤┌─ Escherichia coli K12 (53)  
                                                                └┤┌─ Escherichia coli EC4100B   
                                                                 └┤┌─ Escherichia coli B171 (1)  
                                                                  └┤┌─ Escherichia coli 042 (2)  
                                                                   └┤ ┌─ Escherichia coli 1044A (21)  
                                                                    └┬┴─ Escherichia coli O157:H7 EDL933 (1)  
                                                                     └┬─ Escherichia coli B354 (5)  
                                                                      └┬─ Escherichia coli ATCC 8739 (4)  
                                                                       └┬─ Escherichia coli MS 187-1   
                                                                        └─ Escherichia coli 101-1 (5)  
  
Choline-glycine betaine transporter (18)
L-carnitine/gamma-butyrobetaine antiporter (17)
High-affinity choline uptake protein BetT (8)
Secondary glycine betaine transporter BetU (6)
Others (2)