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The bacterioneuston (bacteria inhabiting the air-water interface) is poorly characterized and possibly forms a unique community in the aquatic environment. In high mountain lakes, the surface film is subjected to extreme conditions of life, suggesting the development of a specific and adapted bacterioneuston community. We have studied the surface film of a(More)
We have analysed the diversity of the bacteria, which grow after addition of concentrated airborne particles and desert dust in different microcosms combinations with water samples from oligotrophic alpine lakes. We used, on the one hand, airborne bacteria transported by an African dust plume and collected in a high mountain area in the central Pyrenees(More)
Infection of Salmonella enterica with lytic mutants of either P22 or SE1 bacteriophages triggers the expression of its DNA damage-inducible SOS response through a lexA-dependent pathway. This induction of the SOS system strictly requires the presence of the bacteriophage kil gene. Accordingly, plasmid overexpression of the kil gene also promotes the S.(More)
Infection of Salmonella enterica with lytic mutants of either P22 or SE1 bacteriophages triggers the expression of its DNA damage-inducible SOS response through a lexA-dependent pathway. This induction of the SOS system strictly requires the presence of the bacteriophage kil gene. Accordingly, plasmid over-expression of the kil gene also promotes the S.(More)
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