Helicobacter pylori Virulence and Genetic Geography

Author:

Covacci Antonello1,Telford John L.1,Giudice Giuseppe Del1,Parsonnet Julie2,Rappuoli Rino1

Affiliation:

1. IRIS, Chiron SpA, Via Fiorentina 1, 53100 Siena, Italy.

2. Department of Medicine/Infectious Diseases Hrp T152, Stanford University, CA 94305, USA.

Abstract

Isolated for the first time in 1982 from human gastric biopsy, Helicobacter pylori is responsible for gastritis, peptic ulcer, and gastric cancer. A pathogenicity island acquired by horizontal transfer, coding for a type IV secretion system, is a major determinant of virulence. The infection is now treated with antibiotics, and vaccines are in preparation. The geographic distribution suggests coevolution of man and Helicobacter pylori .

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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