Articles | Volume 15, issue 11
Atmos. Chem. Phys., 15, 6455–6465, 2015
https://doi.org/10.5194/acp-15-6455-2015
Atmos. Chem. Phys., 15, 6455–6465, 2015
https://doi.org/10.5194/acp-15-6455-2015

Research article 12 Jun 2015

Research article | 12 Jun 2015

Survival and ice nucleation activity of bacteria as aerosols in a cloud simulation chamber

P. Amato et al.

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Cited articles

Agogué, H., Joux, F., Obernosterer, I., and Lebaron, P.: Resistance of marine bacterioneuston to solar radiation, Appl. Environ. Microbiol., 71, 5282–5289, https://doi.org/10.1128/AEM.71.9.5282-5289.2005, 2005.
Amato, P., Parazols, M., Sancelme, M., Laj, P., Mailhot, G., and Delort, A.-M.: Microorganisms isolated from the water phase of tropospheric clouds at the Puy de Dôme: major groups and growth abilities at low temperatures, FEMS Microbiol. Ecol., 59, 242–254, https://doi.org/10.1111/j.1574-6941.2006.00199.x, 2007.
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Balsley, B. B., Ecklund, W. L., Carter, D. A., Riddle, A. C., and Gage, K. S.: Average vertical motions in the tropical atmosphere observed by a radar wind profiler on Pohnpei (7 °N latitude, 157 °E longitude), J. Atmos. Sci., 45, 396–405, https://doi.org/10.1175/1520-0469(1988)045<0396:AVMITT>2.0.CO;2, 1988.
Berge, O., Monteil, C. L., Bartoli, C., Chandeysson, C., Guilbaud, C., Sands, D. C., and Morris, C. E.: A user's guide to a data base of the diversity of Pseudomonas syringae and its application to classifying strains in this phylogenetic complex, PLoS ONE, 9, e105547, https://doi.org/10.1371/journal.pone.0105547, 2014.
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Mortality rate of typical bacterial aerosols (Pseudomonas species) was determined in a cloud simulation chamber. Ice nucleation activity remained unchanged for several hours in aerosolized cells, whether they were viable or not. Cloud increased the specific removal of ice nucleation active cells by precipitation. Survival was negatively impacted by the presence of cloud and by sulfates.
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