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CLC number: Q93

On-line Access: 2010-01-01

Received: 2009-08-03

Revision Accepted: 2009-11-17

Crosschecked: 2009-12-16

Cited: 6

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Citations:  Bibtex RefMan EndNote GB/T7714

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Journal of Zhejiang University SCIENCE B 2010 Vol.11 No.1 P.27-29

http://doi.org/10.1631/jzus.B0900238


Quantification of Helicobacter pylori levels in soil samples from public playgrounds in Spain


Author(s):  Leonardo Martí,n PÉ,REZ, Francesc CODONY, Daniela LÓ,PEZ LEYTON, Mariana FITTIPALDI, Bá,rbara ADRADOS, Jordi MORATÓ,

Affiliation(s):  Health and Environmental Laboratory (MSM-Lab)-Aquasost, UNESCO Chair in Sustainability, Uiversitat Politè more

Corresponding email(s):   codony@oo.upc.edu

Key Words:  Helicobacter pylori, Real time polymerase chain reaction (qPCR), Environmental soil samples


Leonardo Martín PÉREZ, Francesc CODONY, Daniela LÓPEZ LEYTON, Mariana FITTIPALDI, Bárbara ADRADOS, Jordi MORATÓ. Quantification of Helicobacter pylori levels in soil samples from public playgrounds in Spain[J]. Journal of Zhejiang University Science B, 2010, 11(1): 27-29.

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author="Leonardo Martín PÉREZ, Francesc CODONY, Daniela LÓPEZ LEYTON, Mariana FITTIPALDI, Bárbara ADRADOS, Jordi MORATÓ",
journal="Journal of Zhejiang University Science B",
volume="11",
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pages="27-29",
year="2010",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.B0900238"
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Abstract: 
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.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

[1] Baker, K.H., Hegarty, J.P., 2001. Presence of Helicobacter pylori in drinking water is associated with clinical infection. Scand. J. Infect. Dis., 33(10):744-746.

[2] Hulten, K., Han, S.W., Enroth, H., Klein, P.D., Opekun, A.R., Gilman, R.H., Evans, D.G., Engstrand, L., Graham, D.Y., El-Zaatari, F.A., 1996. Helicobacter pylori in the drinking water in Peru. Gastroenterology, 110(4):1031-1035.

[3] Kobayashi, D., Eishi, Y., Ohkusa, T., Ishige, I., Suzuki, T., Minami, J., Yamada, T., Takizawa, T., Koike, M., 2002. Gastric mucosal density of Helicobacter pylori estimated by real-time PCR compared with results of urea breath test and histological grading. J. Med. Microbiol., 51(4):305-311.

[4] Moreira, E.D.Jr., Santos, R.S., Nassri, V.B., Reis, A.T., Guerra, A.L., Alcântara, A.P., Matos, J.F., Carvalho, W.A., Moura, C.G., Silvani, C.S., Sant'Ana, C.S., 2004. Risk factors for Helicobacter pylori infection in children: is education a main determinant? Epidemiol. Infect., 132(2):327-335.

[5] Nayak, A.K., Rose, J.B., 2007. Detection of Helicobacter pylori in sewage and water using a new quantitative PCR method with SYBRgreen. J. Appl. Microbiol., 103(5):1931-1941.

[6] Rasmussen, R., 2001. Quantificaction on the LightCycler. In: Meuer, S., Witwe, C., Nakagawara, K. (Eds.), Rapid Cycler Real-Time PCR, Methods and Applications. Heidelberg, p.21-34.

[7] van Duynhoven, Y.T., de Jonge, R., 2001. Transmission of Helicobacter pylori: a role for food? Bull. World Health Organ., 79(5):455-460.

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