Helicobacter pylori virulence and genetic geography

被引:898
作者
Covacci, A
Telford, JL
Del Giudice, G
Parsonnet, J
Rappuoli, R
机构
[1] Chiron SpA, IRIS, I-53100 Siena, Italy
[2] Stanford Univ, Dept Med Infect Dis Hrp T152, Stanford, CA 94305 USA
关键词
D O I
10.1126/science.284.5418.1328
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 [理学]; 0710 [生物学]; 09 [农学];
摘要
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.
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收藏
页码:1328 / 1333
页数:6
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