%0 Journal Article %J Science of The Total Environment %D 2023 %T Temporal pesticide dynamics alter specific eukaryotic taxa in a coastal transition zone %A Hervé, Vincent %A Sabatier, Pierre %A Lambourdière, Josie %A Poulenard, Jérôme %A Pascal Jean Lopez %B Science of The Total Environment %V 866 %P 161205 %8 Jan-03-2023 %G eng %U https://linkinghub.elsevier.com/retrieve/pii/S0048969722083097 %! Science of The Total Environment %R 10.1016/j.scitotenv.2022.161205 %0 Journal Article %J Front Microbiol %D 2021 %T Sargassum Differentially Shapes the Microbiota Composition and Diversity at Coastal Tide Sites and Inland Storage Sites on Caribbean Islands %A Hervé, Vincent %A Josie Lambourdière %A René-Trouillefou, Malika %A Devault, Damien Alain %A Pascal Jean Lopez %X

Rafts of drifting pelagic that are circulating across the Atlantic Ocean are complex ecosystems composed of a large number of associated species. Upon massive stranding, they lead to various socio-environmental issues including the inflow of contaminants and human health concerns. In this study, we used metabarcoding approaches to examine the differences in both the eukaryotic- and prokaryotic-associated communities from present in two islands of the Lesser Antilles, namely Guadeloupe and Martinique. We detected significant differences in microbial community structure and composition between landing , the surrounding seawater, and from inland storage sites. In total we identified 22,214 prokaryotic and 17,679 eukaryotic OTUs. Among them, functional prediction analyses revealed a number of prokaryotes that might contribute to organic matter decomposition, nitrogen cycling and gas production, including sulfate-reducing bacteria at coastal landing sites, and methanogenic archaea at inland storage sites. We also found that Metazoan was the most abundant group in samples, with nematode clades that presented exclusive or specific richness and abundance patterns depending on their substrate. Together, these molecular inventories of the micro- and meiofauna communities provide baseline information for further characterization of trophic interactions, algal organic matter decomposition and nutrient transfers at coastal and inland storage sites.

%B Front Microbiol %V 12 %P 701155 %8 2021 %G eng %R 10.3389/fmicb.2021.701155 %0 Journal Article %J Frontiers in Microbiology %D 2021 %T Sargassum Differentially Shapes the Microbiota Composition and Diversity at Coastal Tide Sites and Inland Storage Sites on Caribbean Islands %A Hervé, Vincent %A Lambourdière, Josie %A René-Trouillefou, Malika %A Devault, Damien Alain %A Pascal Jean Lopez %B Frontiers in Microbiology %V 12 %8 May-10-2023 %G eng %U https://www.frontiersin.org/articles/10.3389/fmicb.2021.701155/full %! Front. Microbiol. %R 10.3389/fmicb.2021.701155 %0 Journal Article %J ISME J. %D 2018 %T Aquatic urban ecology at the scale of a capital: community structure and interactions in street gutters. %A Hervé, Vincent %A Leroy, Boris %A Da Silva Pires, Albert %A Pascal Jean Lopez %X

In most cities, streets are designed for collecting and transporting dirt, litter, debris, storm water and other wastes as a municipal sanitation system. Microbial mats can develop on street surfaces and form microbial communities that have never been described. Here, we performed the first molecular inventory of the street gutter-associated eukaryotes across the entire French capital of Paris and the non-potable waters sources. We found that the 5782 OTUs (operational taxonomic units) present in the street gutters which are dominated by diatoms (photoautotrophs), fungi (heterotrophs), Alveolata and Rhizaria, includes parasites, consumers of phototrophs and epibionts that may regulate the dynamics of gutter mat microbial communities. Network analyses demonstrated that street microbiome present many species restricted to gutters, and an overlapping composition between the water sources used for street cleaning (for example, intra-urban aquatic networks and the associated rivers) and the gutters. We propose that street gutters, which can cover a significant surface area of cities worldwide, potentially have important ecological roles in the remediation of pollutants or downstream wastewater treatments, might also be a niche for growth and dissemination of putative parasite and pathogens.The ISME Journal advance online publication, 13 October 2017; doi:10.1038/ismej.2017.166.

%B ISME J. %V 12 %P 253–266 %8 09/2017 %G eng %U https://www.nature.com/articles/ismej2017166 %N 1 %R 10.1038/ismej.2017.166