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Review

Microbial Ecology of the Planetary Boundary Layer

1
Institut des Géosciences de l’Environnement, Université Grenoble Alpes, CNRS, IRD, Grenoble INP, Grenoble, 38400 Saint-Martin-d’Hères, France
2
Environmental Microbial Genomics, CNRS UMR 5005 Laboratoire Ampère, École Centrale de Lyon, Université de Lyon, Écully, 69007 Lyon, France
*
Author to whom correspondence should be addressed.
Atmosphere 2020, 11(12), 1296; https://doi.org/10.3390/atmos11121296
Received: 17 October 2020 / Revised: 28 November 2020 / Accepted: 28 November 2020 / Published: 30 November 2020
(This article belongs to the Section Aerosols)
Aerobiology is a growing research area that covers the study of aerosols with a biological origin from the air that surrounds us to space through the different atmospheric layers. Bioaerosols have captured a growing importance in atmospheric process-related fields such as meteorology and atmospheric chemistry. The potential dissemination of pathogens and allergens through the air has raised public health concern and has highlighted the need for a better prediction of airborne microbial composition and dynamics. In this review, we focused on the sources and processes that most likely determine microbial community composition and dynamics in the air that directly surrounds us, the planetary boundary layer. Planetary boundary layer microbial communities are a mix of microbial cells that likely originate mainly from local source ecosystems (as opposed to distant sources). The adverse atmospheric conditions (i.e., UV radiation, desiccation, presence of radicals, etc.) might influence microbial survival and lead to the physical selection of the most resistant cells during aerosolization and/or aerial transport. Future work should further investigate how atmospheric chemicals and physics influence microbial survival and adaptation in order to be able to model the composition of planetary boundary layer microbial communities based on the surrounding landscapes and meteorology. View Full-Text
Keywords: airborne microorganisms; atmospheric microbial communities; aerosolisation; bioaerosols; biosphere-atmosphere interactions; long-range transport; aerial transport airborne microorganisms; atmospheric microbial communities; aerosolisation; bioaerosols; biosphere-atmosphere interactions; long-range transport; aerial transport
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MDPI and ACS Style

Tignat-Perrier, R.; Dommergue, A.; Vogel, T.M.; Larose, C. Microbial Ecology of the Planetary Boundary Layer. Atmosphere 2020, 11, 1296. https://doi.org/10.3390/atmos11121296

AMA Style

Tignat-Perrier R, Dommergue A, Vogel TM, Larose C. Microbial Ecology of the Planetary Boundary Layer. Atmosphere. 2020; 11(12):1296. https://doi.org/10.3390/atmos11121296

Chicago/Turabian Style

Tignat-Perrier, Romie, Aurélien Dommergue, Timothy M. Vogel, and Catherine Larose. 2020. "Microbial Ecology of the Planetary Boundary Layer" Atmosphere 11, no. 12: 1296. https://doi.org/10.3390/atmos11121296

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