Articles | Volume 16, issue 18
Atmos. Chem. Phys., 16, 12347–12358, 2016
https://doi.org/10.5194/acp-16-12347-2016
Atmos. Chem. Phys., 16, 12347–12358, 2016
https://doi.org/10.5194/acp-16-12347-2016

Research article 29 Sep 2016

Research article | 29 Sep 2016

Screening of cloud microorganisms isolated at the Puy de Dôme (France) station for the production of biosurfactants

Pascal Renard et al.

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Cited articles

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Ahern, H. E., Walsh, K. A., Hill, T. C. J., and Moffett, B. F.: Fluorescent pseudomonads isolated from Hebridean cloud and rain water produce biosurfactants but do not cause ice nucleation, Biogeosciences, 4, 115–124, https://doi.org/10.5194/bg-4-115-2007, 2007.
Aller, J. Y., Kuznetsova, M. R., Jahns, C. J., and Kemp, P. F.: The sea surface microlayer as a source of viral and bacterial enrichment in marine aerosols, J. Aerosol Sci., 36, 801–812, https://doi.org/10.1016/j.jaerosci.2004.10.012, 2005.
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Amato, P., Parazols, M., Sancelme, M., Mailhot, G., Laj, P., and Delort, A.-M.: An important oceanic source of micro-organisms for cloud water at the Puy de Dôme (France), Atmos. Environ., 41, 8253–8263, https://doi.org/10.1016/j.atmosenv.2007.06.022, 2007a.
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A total of 480 microorganisms collected from 39 clouds sampled in France were isolated and identified. This unique collection was screened for biosurfactant production by measuring the surface tension. 41 % of the tested strains were active producers. Pseudomonas, the most frequently detected genus in clouds, was the dominant group for the production of biosurfactants. Further, the potential impact of the production of biosurfactants by cloud microorganisms on atmospheric processes is discussed.
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