2022
DOI: 10.1093/femsre/fuac009
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Microbial ecology of the atmosphere

Abstract: The atmosphere connects habitats across multiple spatial scales via airborne dispersal of microbial cells, propagules, and biomolecules. Atmospheric microorganisms have been implicated in a variety of biochemical and biophysical transformations. Here, we review ecological aspects of airborne microorganisms with respect to their dispersal, activity, and contribution to climatic processes. Latest studies utilizing metagenomic approaches demonstrate that airborne microbial communities exhibit pronounced biogeogra… Show more

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Cited by 67 publications
(51 citation statements)
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References 201 publications
(299 reference statements)
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“…Bioaerosols are representative of their sources and together form a combined sample of multiple origins, although a recent hypothesis tends to support the existence of a specific atmospheric microbiota [ 22 ]. Following transport by bioaerosols, microorganisms can colonize depositional environments, cause infections, or simply decay after settling; additionally, their genetic material (free or within cells) can be transferred throughout the environment.…”
Section: Bioaerosolsmentioning
confidence: 99%
See 1 more Smart Citation
“…Bioaerosols are representative of their sources and together form a combined sample of multiple origins, although a recent hypothesis tends to support the existence of a specific atmospheric microbiota [ 22 ]. Following transport by bioaerosols, microorganisms can colonize depositional environments, cause infections, or simply decay after settling; additionally, their genetic material (free or within cells) can be transferred throughout the environment.…”
Section: Bioaerosolsmentioning
confidence: 99%
“…The resistome of clouds will also be characterized. Clouds can be considered as an oases for microorganisms, providing them with more favourable conditions such as water or shading against UV radiation [ 22 ]. Such situations can potentially affect their atmospheric transport and, therefore, facilitate the atmospheric dispersion of ARGs worldwide.…”
Section: The Frontiers Projectmentioning
confidence: 99%
“…An analogous proposal has been presented for anaerobic thermophiles in deep-sea sediments, with ocean currents accounting for the dispersal of spores presumably originating from hydrothermal vents or other heated systems, e.g., Guyamas Basin ( Müller et al, 2014 ). Although these proposals have focused on Firmicutes, they might apply more generally to a wide range of thermophiles, since the troposphere and the oceans represent well known media for short-and long-range transport of phylogenetically diverse taxa originating from numerous sources (e.g., Smith et al, 2013 ; Schmale and Ross, 2015 ; Maki et al, 2019 ; Santl-Temkiv et al, 2022 ).…”
Section: Introductionmentioning
confidence: 99%
“…Once, released into the environment, INpro are long lived and can maintain their activity for at least 30,000 years (Creamean et al, 2020). They are found ubiquitously in terrestrial and marine habitats as well as on microbial, plant, fungal and animal surfaces, which all serve as sources for atmospheric INpro (Šantl-Temkiv et al, 2020(Šantl-Temkiv et al, , 2022Huang et al, 2021). INpro are unique in that they can initiate freezing just below 0°C, i.e., close to the melting point of ice (Delort and Amato, 2017;Kanji et al, 2017).…”
Section: Introductionmentioning
confidence: 99%