Trophic Conditions Influence Widespread Distribution of Aster-Like Nanoparticles Within Aquatic Environments

Aster-like nanoparticles (ALNs) are newly described femto-entities. Their ecology (e.g., geographic distribution, spatial dynamic, preferences, forcing factors) is still unknown. Here, we report that these entities, which have largely been ignored until now, can develop or maintain themselves in mos...

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Bibliographic Details
Published in:Microbial ecology 2020-11, Vol.80 (4), p.741-745
Main Authors: Fuster, Maxime, Billard, Hermine, Mandart, Marie, Steiger, Johannes, Sime-Ngando, Télesphore, Colombet, Jonathan
Format: Article
Language:English
Subjects:
Biodiversity and Ecology
Biomedical and Life Sciences
Ecology
Ecosystem
Environment and Society
Environmental Sciences
France
Geoecology/Natural Processes
Geography
Global Changes
Humanities and Social Sciences
Life Sciences
Microbial Ecology
Microbiology
Nanoparticles - analysis
Nature Conservation
Prokaryotic Cells - physiology
Rivers
Water Quality/Water Pollution
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Summary:Aster-like nanoparticles (ALNs) are newly described femto-entities. Their ecology (e.g., geographic distribution, spatial dynamic, preferences, forcing factors) is still unknown. Here, we report that these entities, which have largely been ignored until now, can develop or maintain themselves in most aquatic environments in the Loire River catchment, France. We observed a significant influence of the trophic state on ALN ecological distributions. A positive relationship between prokaryotic abundance and ALN (r² = 0.72, p < 0.01) has been identified, but its exact nature remains to be clarified. Combined with their ubiquitous distribution and high abundances (up to 7.9 × 10⁶ ALNs mL⁻¹) recorded in our samples, this probably makes ALNs an overlooked functional component in aquatic ecosystems.
ISSN:0095-3628
1432-184X
DOI:10.1007/s00248-020-01541-6