Table 3

Genome ORF variability in 15 lineage I, four lineage I/II and 12 lineage II E. coli O157:H7 strains

Divergent1

Strain #

Group

ORFs

Phage-related genes

Phage-unrelated genes

OI, KI, SL2-related genes

OI, KI, SL2-unrelated genes (backbone)


0

4084

689

3395

1077

3007

1

662

78

584

95

567

2

190

33

157

43

147

3–6

291

79

212

90

201

7–12

161

79

82

91

70

13–18

141

98

43

97

44

19–25

136

87

49

97

39

26–29

91

30

61

52

39

30

79

22

57

503

29

31

222

84

138

190

32

Total

1751

506

1245

615

1136


1Indicates the number of strains lacking specific ORFs. 2OI = O-island, KI = K-island, SL = S-loop. 3These ORFs are only from K-islands.

Zhang et al. BMC Genomics 2007 8:121   doi:10.1186/1471-2164-8-121

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