Skip to Main content Skip to Navigation
Journal articles

Impacts of copper and lead exposure on prokaryotic communities from contaminated contrasted coastal seawaters: the influence of previous metal exposure

Abstract : Our understanding of environmental factors controlling prokaryotic community is largely hampered by the large environmental variability across spatial scales (e.g. trace metal contamination, nutrient enrichment, physico-chemical variations) and the broad diversity of bacterial pre-exposure to environmental factors. In this article, we investigated the specific influence of copper (Cu) and lead (Pb) on prokaryotic communities from the uncontaminated site, using mesocosm experiments. In addition, we studied how pre-exposure (i.e. life history) affects communities, with reference to previous metal exposure on the response of three prokaryotic communities to similar Cu exposition. This study showed a stronger influence of Cu contamination than Pb contamination on prokaryotic diversity and structure. We identified 12, and 34 bacterial families and genera, respectively, contributing to the significant differences observed in community structure between control and spiked conditions. Taken altogether, our results point towards a combination of direct negative responses to Cu contamination and indirect responses mediated by interaction with phytoplankton. These identified responses were largely conditioned by the previous exposure of community to contaminants.
Document type :
Journal articles
Complete list of metadata

https://hal.archives-ouvertes.fr/hal-03027561
Contributor : Benjamin Misson <>
Submitted on : Saturday, February 13, 2021 - 9:57:22 PM
Last modification on : Tuesday, February 23, 2021 - 3:24:47 AM
Long-term archiving on: : Friday, May 14, 2021 - 6:27:11 PM

File

Coclet_et_al_Research_Paper_pr...
Files produced by the author(s)

Identifiers

Citation

Clément Coclet, Cédric Garnier, Gaël Durrieu, Sébastien d'Onofrio, Nicolas Layglon, et al.. Impacts of copper and lead exposure on prokaryotic communities from contaminated contrasted coastal seawaters: the influence of previous metal exposure. FEMS Microbiology Ecology, Wiley-Blackwell, 2020, 96 (6), ⟨10.1093/femsec/fiaa048⟩. ⟨hal-03027561⟩

Share

Metrics

Record views

56

Files downloads

34