Table 1.

Distribution of phylogroups and sequence types among E. coli cnf-positive strains from EnteroBase. The total number and the percentage of each phylogroup and most dominant sequence types (STs) among cnf-positive strains are indicated.

Phylogroups	ST	Number of strains					Percentage of Phylogroup or Sequence type in CNF-positive strains
		All	CNF+	CNF1+	CNF2+	CNF3+	CNF1	CNF2	CNF3
A	Total A	34,982	51	0	28	23	0	5.05	10.31
	ST10	8,748	24	0	17	7	0.0	3.1	3.1
	ST342	325	16	0	0	16	0.0	0.0	7.2
B1	Total B1	37,262	527	96	373	58	1.7	67.3	26.0
	ST101	938	93	24	69	0	0.4	12.5	0.0
	ST392	79	66	0	66	0	0.0	11.9	0.0
	ST58	1,487	44	9	35	0	0.2	6.3	0.0
	ST29	496	35	0	0	35	0.0	0.0	15.7
	ST2217	46	31	0	31	0	0.0	5.6	0.0
	ST5738	24	23	0	23	0	0.0	4.2	0.0
	ST21	5,082	10	0	0	10	0.0	0.0	4.5
	ST343	134	2	0	0	2	0.0	0.0	0.9
	ST2836	63	2	0	0	2	0.0	0.0	0.9
	ST4063	3	2	0	0	2	0.0	0.0	0.9
B2	Total B2	22,305	5,478	5,414	63	1	96.1	11.4	0.4
	ST131	9,242	1,383	1,382	0	1	24.5	0.0	0.4
	ST73	2,071	1,308	1,308	0	0	23.2	0.0	0.0
	ST12	809	699	699	0	0	12.4	0.0	0.0
	ST127	709	601	601	0	0	10.7	0.0	0.0
	ST372	366	206	206	0	0	3.7	0.0	0.0
	ST95	1,882	173	147	26	0	2.6	4.7	0.0
	ST141	360	164	164	0	0	2.9	0.0	0.0
	ST998	175	149	149	0	0	2.6	0.0	0.0
	ST80	152	109	105	4	0	1.9	0.7	0.0
	ST537	50	35	35	0	0	0.6	0.0	0.0
	ST647	28	26	0	26	0	0.0	4.7	0.0
C	Total C	3,465	56	45	10	1	0.8	1.8	0.4
D	Total D	9,905	37	20	13	4	0.4	2.3	1.8
E	Total E	16,391	155	7	14	134	0.1	2.5	60.1
	ST11	13,639	113	0	0	113	0.0	0.0	50.7
	ST5592	5	5	0	0	5	0.0	0.0	2.2
	ST11457	4	4	0	0	4	0.0	0.0	1.8
F	Total F	2,957	38	37	0	1	0.7	0.0	0.4
G	Total G	1,862	34	0	34	0	0.0	6.1	0.0
	ST117	1,383	31	0	31	0	0.0	5.6	0.0
Clade I	Total CI	406	18	0	18	0	0.0	3.2	0.0
	ST3057	41	11	0	11	0	0.0	2.0	0.0
Clade II	Total CII	6	0	0	0	0	0.0	0.0	0.0
Clade III	Total CIII	39	0	0	0	0	0.0	0.0	0.0
Clade IV	Total CIV	39	0	0	0	0	0.0	0.0	0.0
Clade V	Total CV	166	0	0	0	0	0.0	0.0	0.0
	Other 358 STs	34,599	1,044	803	215	26	14.3	38.8	11.7