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Distribution of Open Reading Frames of Plasticity Region of Strain J99 in Helicobacter pylori Strains Isolated from Gastric Carcinoma and Gastritis Patients in Costa Rica

Occhialini, Alessandra; Armelle, Marais; Alm, Richard; García, Fernando; Sierra Ramos, Rafaela; Mégraud, Francis (2000)

The plasticity region of Helicobacter pylori strain J99 is a large chromosomal segment containing 33 strain-specific open reading frames (ORFs) with characteristics of a pathogenicity island. To study the diversity of the ...