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Article

Colonization of Mexican patients by multiple Helicobacter pylori strains with different vacA and cagA genotypes.

Journal of clinical microbiology - 1 Sept 1999

Morales-Espinosa R, Castillo-Rojas G, Gonzalez-Valencia G, Ponce de León S, Cravioto A, Atherton J C, López-Vidal Y

Abstract excerpt

Helicobacter pylori virulence determinants have not previously been studied in detail in Latin Americans with H. pylori infections. We characterized the vacA (vacuolating cytotoxin gene A) and cagA (cytotoxin-associated gene A) types of more than 400 single-colony isolates from 20 patients in Mexico City. For 17 patients H. pylori strains of two or more different vacA genotypes were isolated from gastric biopsy...

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Identifiers

PMID: 10449490
DOI: 10.1128/JCM.37.9.3001-3004.1999
PMCID: PMC85434

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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