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Volume 10, Number 10, October 2004

Genetic and Transmission Analysis of Helicobacter pylori Strains within a Family

Josette Raymond,* Jean-Michel Thiberge,† Catherine Chevalier,† Nicolas Kalach,‡ Michel Bergeret,* Agnès Labigne,† and Catherine Dauga†
*Hôpital Saint Vincent de Paul, Paris, France; †Institut Pasteur, Paris, France; and ‡Hôpital Saint Antoine, Lille, France

 
 
Figure 4.
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Figure 4. Relationships and genetic transfer hypotheses for the hspA and glmM alleles from Helicobacter pylori strains infecting members of the family. The phylogenetic trees based on hspA (left) and glmM (right) sequences were built by the maximum-likelihood method. The hspA sequences shown here originate from the same 47 strains from which the glmM sequence was determined. The names given to the sequences for family genes correspond to the name of the family member followed by the allele number. Dashed lines suggest coevolution of genes. Solid lines suggest genetic transfer.

 

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This page last reviewed August 30, 2004

Emerging Infectious Diseases Journal
National Center for Infectious Diseases
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