Abstract
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 × 106ALNsmL-1) recorded in our samples, this probably makes ALNs an overlooked functional component in aquatic ecosystems.
Highlights
To cite this version: Maxime Fuster, Hermine Billard, Marie Mandart, Johannes Steiger, Telesphore Sime-Ngando, et al
(Diapherotrites, Parvarchaeota, Aenigmarchaeota, Except for first findings obtained from lake samples [6], we still lack information on the ecological distribution and spatio-temporal dynamics of ALNs, in relation to the potential environmental forcing factors
Results acquired in this second study demonstrate that ALNs are overlooked femto-entities, widely distributed and that their dynamics are controlled by trophic status, in particular by the biological environment
Summary
To cite this version: Maxime Fuster, Hermine Billard, Marie Mandart, Johannes Steiger, Telesphore Sime-Ngando, et al. (Diapherotrites, Parvarchaeota, Aenigmarchaeota, Except for first findings obtained from lake samples [6], we still lack information on the ecological distribution and spatio-temporal dynamics of ALNs, in relation to the potential environmental forcing factors. Results acquired in this second study demonstrate that ALNs are overlooked femto-entities, widely distributed and that their dynamics are controlled by trophic status, in particular by the biological environment.
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