After reviewing national and international writing regarding the prevalence of yersiniae in surface waters and ground waters, the Authors report data about a research carried out in the province of Modena (Italy). Over a period of 16 months (february 1986-may 1987) 89 water samples were examined (55 samples collected from rivers and streams and 34 from wells). During every sampling session two samples were collected; one was taken in a sterile bottle (1000 cm3), one by means of the Moore tampon, allowed to float in the stream for 48 h. Yersinia strains were isolated from 37% of thewater samples; 33 samples gave a positive result. Forty one strains were isolated on the whole; filtration method by Millipore membrane appeared the most suitable technique in order to obtain a good recovery rate. Y. enterocolitica appeared the most represented species (43.8%), followed by Y. intermedia (21.9%) and Y.fredericksenii (17.1%). Five atypical strains were isolated, while no strain belonging to the species Y. kristensenii has been evidenced. No relevant difference in Yersinia presence appeared between surface waters and ground waters. No human pathogenic strain has been evidenced and all the isolates appeared belonging to environmental biogroups, serogroups and phage-types.

Presenza di batteri appartenenti al genere Yersinia in acque superficiali e di falda / Quaglio, Giampaola; Aggazzotti, Gabriella; Fabio, A; Messi, Patrizia; Mantovani, G.. - In: ANNALI DI IGIENE MEDICINA PREVENTIVA E DI COMUNITÀ. - ISSN 1120-9135. - STAMPA. - 1:(1989), pp. 157-164.

Presenza di batteri appartenenti al genere Yersinia in acque superficiali e di falda

QUAGLIO, Giampaola;AGGAZZOTTI, Gabriella;MESSI, Patrizia;
1989

Abstract

After reviewing national and international writing regarding the prevalence of yersiniae in surface waters and ground waters, the Authors report data about a research carried out in the province of Modena (Italy). Over a period of 16 months (february 1986-may 1987) 89 water samples were examined (55 samples collected from rivers and streams and 34 from wells). During every sampling session two samples were collected; one was taken in a sterile bottle (1000 cm3), one by means of the Moore tampon, allowed to float in the stream for 48 h. Yersinia strains were isolated from 37% of thewater samples; 33 samples gave a positive result. Forty one strains were isolated on the whole; filtration method by Millipore membrane appeared the most suitable technique in order to obtain a good recovery rate. Y. enterocolitica appeared the most represented species (43.8%), followed by Y. intermedia (21.9%) and Y.fredericksenii (17.1%). Five atypical strains were isolated, while no strain belonging to the species Y. kristensenii has been evidenced. No relevant difference in Yersinia presence appeared between surface waters and ground waters. No human pathogenic strain has been evidenced and all the isolates appeared belonging to environmental biogroups, serogroups and phage-types.
1989
1
157
164
Presenza di batteri appartenenti al genere Yersinia in acque superficiali e di falda / Quaglio, Giampaola; Aggazzotti, Gabriella; Fabio, A; Messi, Patrizia; Mantovani, G.. - In: ANNALI DI IGIENE MEDICINA PREVENTIVA E DI COMUNITÀ. - ISSN 1120-9135. - STAMPA. - 1:(1989), pp. 157-164.
Quaglio, Giampaola; Aggazzotti, Gabriella; Fabio, A; Messi, Patrizia; Mantovani, G.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/742672
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