Correlation between the genomic o454-nlpD region polymorphisms, virulence gene equipment and phylogenetic group of extraintestinal Escherichia coli (ExPEC) enables pathotyping irrespective of host, disease and source of isolation

Table 2 Distribution of o454-nlpD patterns with respect to E. coli phylogenetic groups*

	Pattern I	Pattern II	Pattern III	Pattern IV
ExPEC (n?=?367)
A	1	35	0	1
ABD	18	2	2	21
AxB1	1	6	0	13
B1	0	37	0	15
B2	0	1	196	0
D	7	0	0	11
Fecal (n?=?143)
A	0	34	0	0
ABD	6	1	0	3
AxB1	1	4	0	14
B1	0	2	0	0
B2	0	0	53	0
D	7	2	0	10
Total No. of strains (n?=?510)
A	1	69	0	1
ABD	24	3	2	24
AxB1	2	10	0	27
B1	0	39	0	21
B2	0	1	249	0
D	14	2	0	21

o454-nlpD patterns: I?=?o454-negative, II?=?1.319 bp, III?=?3.685 bp, IV?=?4.546 bp.
*One E. coli strain which carries the IS 2000 in the o454-nlpD region is not included here.

ISSN: 1757-4749