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4 results on '"C. Letourneur"'

1. Microbial transfers from permanent grassland ecosystems to milk in dairy farms in the Comté cheese area

Author

N. Chemidlin Prévost-Bouré, B. Karimi, S. Sadet-Bourgeteau, C. Djemiel, M. Brie, J. Dumont, M. Campedelli, V. Nowak, P. Guyot, C. Letourneur, V. Manneville, F. Gillet, and Y. Bouton

Subjects
Medicine, Science
Abstract

Abstract The specificity of dairy Protected Designation of Origin (PDO) products is related to their “terroir” of production. This relationship needs better understanding for efficient and sustainable productions preserving the agroecological equilibrium of agroecosystems, especially grasslands. Specificity of PDO Comté cheese was related to the diversity of natural raw milk bacterial communities, but their sources need to be determined. It is hypothesized that raw milk indigenous microbial communities may originate from permanent grazed grasslands by the intermediate of dairy cows according to the sequence soil–phyllosphere–teat–milk. This hypothesis was evaluated on a 44 dairy farms network across PDO Comté cheese area by characterizing prokaryotic and fungal communities of these compartments by metabarcoding analysis (16S rRNA gene: V3–V4 region, 18S rRNA gene: V7–V8 region). Strong and significant links were highlighted between the four compartments through a network analysis (0.34

Published
2021
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2. Microbial transfers from permanent grassland ecosystems to milk in dairy farms in the Comté cheese area

Author

M. Campedelli, Battle Karimi, V. Manneville, Sophie Sadet-Bourgeteau, N. Chemidlin Prévost-Bouré, François Gillet, Virginie Nowak, J. Dumont, Yvette Bouton, M. Brie, Christophe Djemiel, C. Letourneur, P. Guyot, Agroécologie [Dijon], Université de Bourgogne (UB)-AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement-Université Bourgogne Franche-Comté [COMUE] (UBFC)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Laboratoire Chrono-environnement - CNRS - UBFC (UMR 6249) (LCE), Centre National de la Recherche Scientifique (CNRS)-Université de Franche-Comté (UFC), and Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC)

Subjects
0106 biological sciences, Agroecosystem, Science, 010603 evolutionary biology, 01 natural sciences, Article, Microbial ecology, 03 medical and health sciences, Soil pH, Community ecology, Agroecology, 030304 developmental biology, Terroir, 2. Zero hunger, 0303 health sciences, Multidisciplinary, Agroforestry, business.industry, food and beverages, 15. Life on land, Raw milk, Geography, Agriculture, Sustainability, Medicine, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, Grassland ecosystem, business
Abstract

The specificity of dairy Protected Designation of Origin (PDO) products is related to their “terroir” of production. This relationship needs better understanding for efficient and sustainable productions preserving the agroecological equilibrium of agroecosystems, especially grasslands. Specificity of PDO Comté cheese was related to the diversity of natural raw milk bacterial communities, but their sources need to be determined. It is hypothesized that raw milk indigenous microbial communities may originate from permanent grazed grasslands by the intermediate of dairy cows according to the sequence soil–phyllosphere–teat–milk. This hypothesis was evaluated on a 44 dairy farms network across PDO Comté cheese area by characterizing prokaryotic and fungal communities of these compartments by metabarcoding analysis (16S rRNA gene: V3–V4 region, 18S rRNA gene: V7–V8 region). Strong and significant links were highlighted between the four compartments through a network analysis (0.34

Published
2021
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3. Évaluation des transferts microbiens du sol au lait en filière AOP Comté

Author

Chemidlin Prévost-Bouré, Nicolas, Sadet-Bourgeteau, Sophie, Margot, Brie, Julie, Dumont, Mathilde, Campedelli, Karimi, Battle, P, Guyot, C, Letourneur, Manneville, Vincent, Gillet, François, Bouton, Yvette, Agroécologie [Dijon], Université de Bourgogne (UB)-AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement-Université Bourgogne Franche-Comté [COMUE] (UBFC)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Institut de l’Elevage, 9 allée Pierre de Fermat, 63170 Aubière, France, Laboratoire Chrono-environnement - CNRS - UBFC (UMR 6249) (LCE), Centre National de la Recherche Scientifique (CNRS)-Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC), Comité Interprofessionnel de Gestion du Comté, Unité R&D, Bât. INRA-URTAL 30 route de Versailles, 39800 Poligny, France, and EL Mjiyad, Noureddine

Subjects
[SDE] Environmental Sciences, [SDE]Environmental Sciences, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2020

4. Structures internes du réacteur THTR de Schmehausen

Author

G. Palomo, J.-C. Letourneur, A. Ollagnon, F. Pascal, and N. Bonutto

Abstract

Apres une description sommaire du cœur du reacteur, les auteurs analysent les principaux problemes qu'ont eu a resoudre les constructeurs francais de composants, concernant notamment les structures metalliques internes, les conduits chauds, la cuve en graphite et les barres de commande.

Published
1978
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