The ability of aquatic bacteria Pseudomonas fluorescens SSD (Ps-D) and Pseudomonas putida SSC (Ps-C) to support the persistence of Legionella pneumophila (Lp-1) in an artificial water microcosm was investigated for 42 day, at two different incubation temperatures. At 4 °C, individually suspended Lp-1 was no longer detectable just after 24 hours, while in co-cultures with Pseudomonas, Lp1 showed a better survival capability. At 30 °C, Lp-1 alone displayed high survival rates over the entire period of observation. When Lp-1 was inoculated with Ps-C and Ps-D, its count showed a marked decrease, followed by a gradual and costant decline.

Influence of aquatic microorganisms on Legionella pneumophila survival / Guerrieri, Elisa; Bondi, Moreno; Borella, Paola; Messi, Patrizia. - In: NEW MICROBIOLOGICA. - ISSN 1121-7138. - STAMPA. - 30:3(2007), pp. 247-251.

Influence of aquatic microorganisms on Legionella pneumophila survival

GUERRIERI, Elisa;BONDI, Moreno;BORELLA, Paola;MESSI, Patrizia
2007

Abstract

The ability of aquatic bacteria Pseudomonas fluorescens SSD (Ps-D) and Pseudomonas putida SSC (Ps-C) to support the persistence of Legionella pneumophila (Lp-1) in an artificial water microcosm was investigated for 42 day, at two different incubation temperatures. At 4 °C, individually suspended Lp-1 was no longer detectable just after 24 hours, while in co-cultures with Pseudomonas, Lp1 showed a better survival capability. At 30 °C, Lp-1 alone displayed high survival rates over the entire period of observation. When Lp-1 was inoculated with Ps-C and Ps-D, its count showed a marked decrease, followed by a gradual and costant decline.
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Influence of aquatic microorganisms on Legionella pneumophila survival / Guerrieri, Elisa; Bondi, Moreno; Borella, Paola; Messi, Patrizia. - In: NEW MICROBIOLOGICA. - ISSN 1121-7138. - STAMPA. - 30:3(2007), pp. 247-251.
Guerrieri, Elisa; Bondi, Moreno; Borella, Paola; Messi, Patrizia
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/310630
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