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12 results on '"Charron, Mickaël"'

7. Optimizing chlordecone reduction in soils of the French West Indies using biodegradation coupled to in situ chemical reduction

Author

Hellal, Jennifer, Joulian, Catherine, Bristeau, Sébastien, Perez, Jason, Saaidi, Pierre-Loic, Martin, Deborah, Charron, Mickaël, Thannberger, Laurent, Bureau de Recherches Géologiques et Minières (BRGM) (BRGM), Génomique métabolique (UMR 8030), Genoscope - Centre national de séquençage [Evry] (GENOSCOPE), Université Paris-Saclay-Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université d'Évry-Val-d'Essonne (UEVE)-Centre National de la Recherche Scientifique (CNRS), and Valgo

Subjects
chlordecone, [SDV.EE.ECO]Life Sciences [q-bio]/Ecology, environment/Ecosystems, [CHIM.ANAL]Chemical Sciences/Analytical chemistry, remediation, [SDE]Environmental Sciences, bacterial diversity, iron reduction, [SDV.BBM.BM]Life Sciences [q-bio]/Biochemistry, Molecular Biology/Molecular biology, soils
Abstract

International audience; Soil, surface water and groundwater in Martinique and Guadeloupe (French West Indies) are contaminated with chlordecone (CLD; C10Cl10O), a very persistent organochlorine pesticide. In soils, its persistence is estimated as several decades in nitisols, centuries in ferralsols and half a millennium in andosols. CLD accumulates in food chains. Long-term chronic exposure to CLD through food and drinking water can have consequences for human health.

Published
2022

9. Biotransformation bactérienne de la chlordécone et de deux produits de dégradation issus du procédé ISCR

Author

Hellal, Jennifer, Bristeau, Sébastien, Crampon, Marc, Saaidi, Pierre-Loïc, Mauffret, Aourell, Mouvet, Christophe, Charron, Mickaël, Joulian, Catherine, Bureau de Recherches Géologiques et Minières (BRGM) (BRGM), Génomique métabolique (UMR 8030), Genoscope - Centre national de séquençage [Evry] (GENOSCOPE), Université Paris-Saclay-Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Centre National de la Recherche Scientifique (CNRS)-Université d'Évry-Val-d'Essonne (UEVE), and Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université d'Évry-Val-d'Essonne (UEVE)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[CHIM.ORGA]Chemical Sciences/Organic chemistry, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, [SDV.MP.BAC]Life Sciences [q-bio]/Microbiology and Parasitology/Bacteriology, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2018

11. Development of molecular assays to efficiently monitor and quantify microbial species during bioleaching of copper-rich ores

Author

Hedrich, Sabrina, Guezennec, Anne-Gwenaëlle, Charron, Mickaël, Schippers, Axel, Joulian, Catherine, Federal Institute for Geosciences and Natural Resources (BGR), Bureau de Recherches Géologiques et Minières (BRGM) (BRGM), and ANR-13-RMNP-0006,EcoMetals,Procédés bio-hydrométallurgiques innovants et éco-efficaces pour la récupération des métaux stratégiques et rares: ressources primaires et secondaires(2013)

Subjects
[SDV.BIO]Life Sciences [q-bio]/Biotechnology, [SDE.BE]Environmental Sciences/Biodiversity and Ecology
Abstract

International audience; Monitoring of the microbial community in bioleaching processes is essential in order to control process parameters and enhance the leaching efficiency. Suitable methods are, however, limited as nucleic acid extraction is sometimes inefficient and often no specific assays are described for these types of consortia. Therefore we have developed reliable assays to monitor a specific microbial consortium used for bioleaching of copper-rich ores. Our investigations comprised the efficient recovery of nucleic acids from bioleaching reactors and subsequent quantification of the microorganisms at species level via T-RFLP and qPCR. Therefore we developed novel qPCR assays specific for bioleaching species. The qPCR assays were validated in two different labs and also successfully applied to monitor various bioleaching experiments. Furthermore, a pre-treatment method for efficient fluorescence staining of whole cells from these reactors was developed and approved. These novel assays can be applied to various bioleaching operations for fast and efficient community monitoring.

Published
2016

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