Table 1 Maximum likelihood estimation (MLE) of the mean length of donor DNA imports in the  rpoB  gene and number of clones with ISR after natural transformation of  H. pylori  26695 wild type strain and isogenic NER-deficient mutants

26695 wt

95

1681

9

 uvrA 

26

2451

0.31

0

0.35

 uvrB 

24

2887

1.22

2

0.15

 uvrC 

28

3766

49.04

1

0.17

 uvrC  comp

35

1781

0.12

7

0.78

Δ  uvrD 

38

2155

0.16

6

0.33