Vacuolating Cytotoxin (vacA) Alleles of Helicobacter pylori Comprise Two Geographically Widespread Types, m1 and m2, and Have Evolved Through Limited Recombination

Vacuolating cytotoxin (vacA) alleles of Helicobacter pylori vary, particularly in their mid region (which may be type m1 or m2) and their signal peptide coding region (type s1 or s2). We investigated nucleotide diversity among vacA alleles in strains from several locales in Asia, South America, and...

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Bibliographic Details
Main Authors: Atherton, John C., Sharp, Paul M., Cover, Timothy L., Gonzalez-Valencia, Gerardo, Peek, Richard M., Thompson, Stuart A., Hawkey, Christopher J., Blaser, Martin J.
Format: Artigo
Language:Inglês
Published: 1999
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Article
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC2762107/
https://ncbi.nlm.nih.gov/pubmed/10486057
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