Different strains of Helicobacter pylori exhibit high genetic heterogeneity.

REFERENCES

Research Articles

• Alm et al., 2000. Comparative genomics of Helicobacter pylori: analysis of the outer membrane protein families. Infect Immun. 68(7), 4155-68. PMID-10858232; Full-Text Links: ASM Journals (Download PDF), PMC101716  
• Go et al., 1996. Population genetic analysis of Helicobacter pylori by multilocus enzyme electrophoresis: extensive allelic diversity and recombinational population structure. J Bacteriol. 178(13), 3934-8. PMID-8682800; Full-Text Links: ASM Journals (Download PDF), PMC232656 
• Salama et al., 2000. A whole-genome microarray reveals genetic diversity among Helicobacter pylori strains.  Proc Natl Acad Sci U S A. 97(26), 14668-73. PMID-11121067; Full-Text Links: PNAS (Download PDF), PMC18976 
• Tomb et al., 1997. The complete genome sequence of the gastric pathogen Helicobacter pylori. Nature. 388(6642), 539-47. PMID-9252185; Full-Text Links: Nature (Download PDF)
• Israel et al., 2001. Helicobacter pylori genetic diversity within the gastric niche of a single human host. Proc Natl Acad Sci U S A. 98(25), 14625-30. PMID-11724955; Full-Text Links: PNAS (Download), PMC64732

Reviews

• Covacci et al., 1999. Helicobacter pylori virulence and genetic geography. Science. 284(5418), 1328-33. PMID-10334982; Full-Text Links: Science, Researchgate (Download PDF)