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  Influence of seasonality on the aerosol microbiome of the Amazon rainforest

Souza, F. F. C., Mathai, P. P., Pauliquevis, T., Balsanelli, E., Pedrosa, F. O., Souza, E. M., et al. (2021). Influence of seasonality on the aerosol microbiome of the Amazon rainforest. Science of the Total Environment, 760: 144092. doi:10.1016/j.scitotenv.2020.144092.

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Souza, Felipe F. C.1, Autor
Mathai, Prince P.1, Autor
Pauliquevis, Theotonio1, Autor
Balsanelli, Eduardo1, Autor
Pedrosa, Fabio O.1, Autor
Souza, Emanuel M.1, Autor
Baura, Valter A.1, Autor
Monteiro, Rose A.1, Autor
Cruz, Leonardo M.1, Autor
Souza, Rodrigo A. F.1, Autor
Andreae, Meinrat O.2, Autor           
Barbosa, Cybelli G. G.2, Autor           
Hrabe de Angelis, Isabella2, Autor           
Sanchez-Parra, Beatrice2, Autor           
Pöhlker, Christopher2, Autor           
Weber, Bettina1, Autor
Ruff, Emil1, Autor
Reis, Rodrigo A.1, Autor
Godoi, Ricardo H. M.1, Autor
Sadowsky, Michael J.1, Autor
Huergo, Luciano F.1, Autor mehr..
Affiliations:
1external, ou_persistent22              
2Multiphase Chemistry, Max Planck Institute for Chemistry, Max Planck Society, ou_1826290              

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 Zusammenfassung: The Amazon rainforest is the world's largest tropical forest, and this biome may be a significant contributor to primary biological aerosol (PBA) emissions on a global scale. These aerosols also play a pivotal role in modulating ecosystem dynamics, dispersing biological material over geographic barriers and influencing climate through radiation absorption, light scattering, or acting as cloud condensation nuclei. Despite their importance, there are limited studies investigating the effect of environmental variables on the bioaerosol composition in the Amazon rainforest. Here we present a 16S rRNA gene-based amplicon sequencing approach to investigate the bacterial microbiome in aerosols of the Amazon rainforest during distinct seasons and at different heights above the ground. Our data revealed that seasonal changes in temperature, relative humidity, and precipitation are the primary drivers of compositional changes in the Amazon rainforest aerosol microbiome. Interestingly, no significant differences were observed in the bacterial community composition of aerosols collected at ground and canopy levels. The core airborne bacterial families present in Amazon aerosol were Enterobacteriaceae, Beijerinckiaceae, Polyangiaceae, Bacillaceae and Ktedonobacteraceae. By correlating the bacterial taxa identified in the aerosol with literature data, we speculate that the phyllosphere may be one possible source of airborne bacteria in the Amazon rainforest. Results of this study indicate that the aerosol microbiota of the Amazon Rainforest are fairly diverse and principally impacted by seasonal changes in temperature and humidity.

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Sprache(n): eng - English
 Datum: 2021-03-15
 Publikationsstatus: Online veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: ISI: 000607779400135
DOI: 10.1016/j.scitotenv.2020.144092
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Titel: Science of the Total Environment
  Kurztitel : Sci. Total Environ.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Amsterdam : Elsevier
Seiten: - Band / Heft: 760 Artikelnummer: 144092 Start- / Endseite: - Identifikator: ISSN: 0048-9697
CoNE: https://pure.mpg.de/cone/journals/resource/954925457007