Airborne bacteria and persistent organic pollutants associated with an intense Saharan dust event in the Central Mediterranean

The Science of the Total Environment
Ermanno FedericiDavid Cappelletti

Abstract

In this paper, we present a comprehensive taxonomic survey of the bacterial community and accurate quantification of polycyclic aromatic hydrocarbons (PAHs) associated with an intense Saharan dust advection, which impacted Central Mediterranean area in the whole 2014-2015 period. This work is part of an intensive field campaign at the EMEP regional background site of Monte Martano (Central Italy), considered well representative of long-range transport in the Central Mediterranean area. 22 samples have been characterized in their provenance region and have been considered for the chemical and biological characterization. The event described in the present paper was exceptionally intense at the sampling site allowing a detailed evaluation of the dust load on a regional scale, an estimation of the impact of PAH based on the Toxic Equivalency Factor methodology and a thorough characterization of the airborne bacterial fraction performed by High Throughput Sequencing approach. Afterward, we cultured viable bacteria and evaluated several enzymatic activities and conducted UV survival tests. Principal findings include: (i) the striking evidence that, during the Saharan dust event, a highly diverse and abundant bacterial community was ...Continue Reading

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Citations

Jun 20, 2019·Frontiers in Microbiology·Razan Z YahyaCarlos M Duarte
Jan 8, 2020·International Journal of Environmental Research and Public Health·Erika BruniDaniela Uccelletti
Dec 3, 2020·Frontiers in Microbiology·Nojood A AalismailCarlos M Duarte
Oct 11, 2020·Environmental Pollution·Stefano CrocchiantiDavid Cappelletti
Dec 2, 2020·Environmental Pollution·Jie HuangLekhendra Tripathee
Nov 3, 2020·The Science of the Total Environment·Chiara PetroselliDavid Cappelletti
Jun 6, 2021·The Science of the Total Environment·Carmela RiccardiFrancesca Buiarelli
Oct 12, 2020·Environment International·Tay Ruiz-GilMilko A Jorquera

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