Table 1 Distribution of 96 H. pylori RM systems in a globally representative collection of 541 H. pylori genomes.

From: Methylome evolution suggests lineage-dependent selection in the gastric pathogen Helicobacter pylori

RM system type

Total

Mean frequency (%)

Min–Max frequency (%)a

Type I

47

3.0

0.2–12.8

Type II

31

25.3

1.1–100

Type IIG

13

4.7

1.5–12.6

Type III

5

2.2

0.2–5.5

  1. aMin–Max frequency indicates the least and most frequent RM systems of a specific type.
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