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

Amato, P.; Joly, M.; Schaupp, C.; Attard, E.; Möhler, O.; Morris, C. E.; Brunet, Y.; Delort, A.-M.

doi:10.5194/acp-15-6455-2015

Articles | Volume 15, issue 11

https://doi.org/10.5194/acp-15-6455-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-15-6455-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 11

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, M. Joly, C. Schaupp, E. Attard, O. Möhler, C. E. Morris, Y. Brunet, and A.-M. Delort

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May 2015	11	28	4	43
Jun 2015	240	104	9	353
Jul 2015	63	33	8	104
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Sep 2015	19	21	1	41
Oct 2015	34	18	3	55
Nov 2015	33	28	4	65
Dec 2015	9	25	7	41
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Mar 2016	23	18	2	43
Apr 2016	8	13	2	23
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Jun 2016	7	4	1	12
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Aug 2024	36	10	3	49
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Oct 2024	16	7	1	24
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Feb 2025	44	14	3	61
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Jun 2025	61	17	4	82
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Sep 2025	61	14	3	78
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Cumulative views and downloads (calculated since 12 Feb 2015)

Month	HTML	PDF	XML	Total
Feb 2015	112	79	8	199
Mar 2015	37	38	3	78
Apr 2015	20	19	2	41
May 2015	11	28	4	43
Jun 2015	240	104	9	353
Jul 2015	63	33	8	104
Aug 2015	22	26	1	49
Sep 2015	19	21	1	41
Oct 2015	34	18	3	55
Nov 2015	33	28	4	65
Dec 2015	9	25	7	41
Jan 2016	47	32	8	87
Feb 2016	25	18	0	43
Mar 2016	23	18	2	43
Apr 2016	8	13	2	23
May 2016	7	4	0	11
Jun 2016	7	4	1	12
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Mar 2025	39	19	2	60
Apr 2025	22	9	1	32
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Jun 2025	61	17	4	82
Jul 2025	35	20	0	55
Aug 2025	89	22	2	113
Sep 2025	61	14	3	78
Oct 2025	26	30	2	58
Nov 2025	35	19	4	58
Dec 2025	11	13	0	24

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Short summary

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.