期刊
JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE B
卷 11, 期 1, 页码 27-29出版社
ZHEJIANG UNIV
DOI: 10.1631/jzus.B0900238
关键词
Helicobacter pylori; Real time polymerase chain reaction (qPCR); Environmental soil samples
类别
资金
- Ministry of Education and Science of Spain [CTM2005-106457-C05-05/TECNO]
- Ministry of Education and Science of Spain
- Comissionat per a Universitats i Recerca del Departament d'Innovacio
- Universitats i Empresa de la Generalitat de Catalunya i del Fons Social Europeu
Helicobacter pylori are ubiquitous Gram-negative bacteria with a high estimated level of infection in the world populations, but a majority of the infected persons are asymptomatic. This pathogen has been classified by the World Health Organization as a class I carcinogen and recognized as the causal agent of most peptic ulcers and chronic gastritis that might lead to stomach cancer. Although not all the transmission pathways of these bacteria into humans have been properly identified, enough data have suggested that the oral-oral or fecal-oral ones are the main infection routes. Helicobacter pylori have been detected in non-treated water and in drinking water, which suggested that water might be an important infection source. As childhood is the critical period of infection, the aim of the present work was to examine the presence of Helicobacter pylori in soil samples from public playing areas of Spanish parks.
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