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<i>Helicobacter pylori</i> in North and South America before Columbus

29 Mar 2002

Abstract excerpt

We present a molecular epidemiologic study, based on an analysis of vacA, cagA and cag right end junction genotypes from 1042 Helicobacter pylori isolates, suggesting that H. pylori was present in the New World before Columbus. Eight Native Colombian and Alaskan strains possessed novel vacA and/or cagA gene structures and were more closely related to East Asian than to non-Asian H. pylori. Some Native Alaskan...

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PMID: 12062433
DOI: 10.1016/s0014-5793(02)02617-0

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