Academic literature on the topic 'Dégradeurs'
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Journal articles on the topic "Dégradeurs"
Reboud-Ravaux, Michèle. "Induction de proximité et dégradation de cibles thérapeutiques par les nouveaux dégradeurs : quels concepts, quels développements, quel futur ?" Biologie Aujourd’hui 218, no. 1-2 (2024): 41–54. http://dx.doi.org/10.1051/jbio/2024007.
Full textCodogno, Patrice. "L’autophagie, dégrader plus pour vivre plus… mais attention !" médecine/sciences 25, no. 4 (April 2009): 323–24. http://dx.doi.org/10.1051/medsci/2009254323.
Full textHuard-Baudry, Emmanuelle. "Comida y parodia en el romance Ensíllenme el asno rucio de don Luis de Góngora." Criticón 145-146 (2022): 183–98. http://dx.doi.org/10.4000/12dlh.
Full textCoux, O., and M. Piechaczyk. "Le système ubiquitine/protéasome : un ensemble (de) complexe(s) pour dégrader les protéines." médecine/sciences 16, no. 5 (2000): 623. http://dx.doi.org/10.4267/10608/1705.
Full textSfeir, Antoine. "Les quatre pôles du pouvoir iranien." Études Tome 414, no. 3 (March 1, 2011): 295–306. http://dx.doi.org/10.3917/etu.4143.0295.
Full textRandriamanantena, Mamy Wilson. "Madagascar en quête de repères." Études Novembre, no. 11 (October 27, 2023): 19–28. http://dx.doi.org/10.3917/etu.4309.0019.
Full textTSIROULNIKOV, K., H. REZAEI, E. BONCH-OSMOLOVSKAYA, P. NEDKOV, A. GOUSTEROVA, V. CUEFF, A. GODFROY, et al. "Utilisation des microorganismes dans l’hydrolyse des amyloïdes et des farines animales." INRAE Productions Animales 17, HS (June 8, 2020): 109–15. http://dx.doi.org/10.20870/productions-animales.2004.17.hs.3636.
Full textCabannes, Xavier. "Le Conseil constitutionnel peut-il être le gardien de la situation financière de l’État ?" Titre VII Hors-série, Juillet (November 18, 2024): 170–77. http://dx.doi.org/10.3917/tvii.hs.002.0170.
Full textLaflamme, Claude. "Inflation des diplômes et insertion professionnelle des jeunes : situation des diplômés du secondaire professionnel et du cégep technique sur le marché de l’emploi." Articles 22, no. 1 (October 10, 2007): 47–72. http://dx.doi.org/10.7202/031846ar.
Full textMontay, Alexandre. "Un principe de proportionnalité pour en finir avec des normes de durabilité hors normes." Annales des Mines - Réalités industrielles Août 2024, no. 3 (September 27, 2024): 32–33. http://dx.doi.org/10.3917/rindu1.243.0032.
Full textDissertations / Theses on the topic "Dégradeurs"
Schilling, Marion. "Des forêts aux vignobles : adaptation des champignons dégradeurs de bois." Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0300.
Full textEsca is one of the most devastating of the grapevine trunk diseases, that affect vineyards around the world. One of its main symptoms is white rot, also called amadou. In white rot, Fomitiporia mediterranea (M. Fischer) is the major species identified in Europe. White-rot fungi have evolved with their substrates and may have developed specifically adapted degradation and detoxification mechanisms. The main objective of this thesis is to understand how F. mediterranea is adapted to its substrate, grapevine wood. The behavior of F. mediterranea during wood degradation on different wood species was monitored. Carbon mineralization rate, wood mass loss, chemical composition in structural compounds and extractives, fungal biomass production and protein secretion (secretome) upon cultures on sawdust were measured. In a second step, the colonization of F. mediterranea on wood blocks was followed. In addition to the physiological approach, a non-targeted metabolomic approach, with molecular networking, was used to describe fungal and wood metabolomes during colonization. F. mediterranea is able to degrade several wood species, including grapevine cv. ‘Gewurztraminer' and ‘Riesling', beech and oak, in sawdust or blocks, using a simultaneous degradation pattern. Parallely, the fungus regulates its secretome in relation with its substrate: a larger number of oxidoreductases were secreted on grapevine sawdust. This could be correlated with the observed degradation of grapevine lignin and specialized metabolites, mainly stilbenes. Other factors than the structural and chemical composition of the substrate, which could be involved in the adaptation of F. mediterranea, are discussed. This work contributes to a better knowledge of the physiology of F. mediterranea, one of the key fungal species in Esca complexe disease
Rivoal, Morgane. "Trois stratégies pour cibler RIPK2 en vue d'un traitement des maladies inflammatoires : développement d'inhibiteurs orthostériques, de dégradeurs et d'inhibiteurs d'interaction protéine-protéine." Electronic Thesis or Diss., Université de Lille (2022-....), 2024. http://www.theses.fr/2024ULILS044.
Full textThe Receptor-interacting serine/threonine-protein kinase 2 (RIPK2) is a crucial mediator of innate immune signaling pathways, and particularly those initiated by NOD-like receptors (NLRs) NOD1 and NOD2. NOD1/2 - RIPK2 signaling pathways have garnered significant interest as therapeutic targets for various inflammatory diseases. In view of our team's expertise in the field, we decided to focus on these pathways. This project has been divided into several tasks. The first led to the establishment of structure-activity relationships (SAR) of series of small molecule RIPK2 inhibitors. These compounds were for the most part active at the nanomolar range on NOD1 pathway and selective toward this pathway vs NOD2. The second strategy was focused on the development of hydrophobic tagged degraders. Degrading kinases is an emerging strategy and has shown potential for providing greater selectivity compared to conventional inhibitors which is why it was investigated. Finally, the last strategy aimed at the identification of XIAP-RIPK2 interaction inhibitors, essential to the inflammatory pathways, through virtual screening. The desired compounds were synthesized (for the two first tasks) and tested on our team’s biological assays. For the first series of compounds, additional studies were carried out (structural, ADMET, selectivity, in vivo) and confirmed our compounds’ therapeutic potential in inflammatory diseases
Labrecque, Marie-Hélène. "Étude de la capacité de deux souches de levures à dégrader le xylène." Thesis, Université Laval, 2003. http://www.theses.ulaval.ca/2003/21125/21125.pdf.
Full textDepont, Mélanie. "Criblage de bactéries productrices d'enzymes (fucosidase et fucoïdane hydrolase) capables de dégrader les fucoïdanes." Thesis, Université Laval, 2010. http://www.theses.ulaval.ca/2010/27062/27062.pdf.
Full textCoulon, Joana. "Contribution à la construction d'une levure industrielle capable de dégrader l'urée en conditions œnologiques." Bordeaux 2, 2001. http://www.theses.fr/2001BOR20909.
Full textThomas, Jean-Christophe. "Étude microbiologique et génétique de bactéries du sol capables de dégrader des composés xénobiotiques chlorés en aérobiose." Compiègne, 1994. http://www.theses.fr/1994COMPD725.
Full textAmouric, Agnès. "Biodiversité d'un consortium microbien et études génétiques de SP2B, un actinomycète isolé du consortium, capable de dégrader l'hexane." Aix-Marseille 1, 2006. http://www.theses.fr/2006AIX11007.
Full textA gasoline-degrading consortium was readapted in liquid using gasoline/methyl tert-butyl ether and was tested for its hexane-degradation kinetics in liquid microcosm and in a bench-scale biofilter. On the 28 last days, Elimination Capacity and CO2 production rate in the biofilter remained constant. A sample was collected to characterize the biodiversity and compare it with that of the initial gasoline consortium and the same consortium adapted on hexane in liquid microcosm. Significant differences between the populations were observed, indicating a probable adaptation to the culture conditions. Three strains including two Actinomycetes were isolated from the consortium. One of them, SP2B, degrade hexane and other short-alkane compared with the type strain phylogenetically related (Rhodococcus ruber DSM 43338T). Cellular fatty-acid profiles on various alkanes, as well as the growth in the presence of hexane-metabolism intermediaries identical for both strains didn't allow to understand the phenotypic differences. Moreover, an identical gene, alkB, was found in both strains. It codes for an alkane monooxygenase, which product is probably involved in long-chain-alkane degradation. Another alkB gene, identified in SP2B, could therefore be involved in the degradation specificity of the strain. Studies are in progress in order to precisely characterize this new gene and to understand the regulations on the expression of all the elements involved in hexane degradation
Julliand, Véronique. "Etude de l'écosystème caecal des équidés : aptitude à dégrader les polyosides pariétaux, caractérisation quantitative et qualitative des flores cellulolytiques bactériennes et fongiques dominantes." Dijon, 1996. http://www.theses.fr/1996DIJOS066.
Full textChouchene, Alaeddine. "Etude de l’aptitude de phytases endogènes/exogènes à dégrader l’acide phytique de mélanges modèles blé-légumineuses : impact sur la biodisponibilité théorique des minéraux." Thesis, Montpellier, 2019. http://www.theses.fr/2019MONTG095.
Full textPhytic acid (PA) hydrolysis was studied in mixed cereal/legume food models with the aim of improving mineral bioavailability as it is a known complexing agent. Localization of PA and phytase activity in wheat grain and legume seeds was done. Kinetic parameters (Km and Vmax) of cereal and legume endogenous phytases were determined. Enzymatic hydrolysis of PA during mixed food processing, by activation of endogenous cereal phytases (from wheat and rye) or by the addition of exogenous microbial phytase, was evaluated and linked to the potential increase of mineral (Fe and Zn) bioavailability. Three types of mixed food models (legume flour-wheat semolina) were tested, each corresponding to a different solid:liquid ratio (S:L) : broth (1:10), porridge (1:2) and pasta (2:1). Whatever the S:L ratio, PA hydrolysis was governed by the enzyme:substrate (phytase:PA) ratio. PA and phytase activity were co-located in same peripheral tissues in wheat grain but in cotyledons in legume seeds (yellow pea and green lentil). Wheat phytase displayed a maximum hydrolysis velocity (Vmax) and an affinity (1/Km) for PA higher than those of legumes. Endogenous wheat and legume phytases acted synergistically to degrade PA of wheat/legume mixed foods. Part of this synergy was due to the calcium concentration in yellow pea. For a broth system (S:L = 1:10), the use of wheat as endogenous phytase source, allowed a drastic degradation of PA (70 – 95%) in a relatively short time (4h), after substitution of yellow pea flour with wheat semolina (35 – 65%). This PA degradation may improve in vitro Fe and Zn bioavailability (from 5 to 53%). Increasing the S:L ratio from 1:10 to 2:1 led to a decrease in the percentage of PA hydrolysis by a factor of 1.6 to 2.5 for wheat and wheat/legume blends (35/65 and 65/35), respectively. At 2:1 S:L ratio, none of the blends tested improved Fe and Zn bioavailability. For this S:L ratio, the use of rye as a substitute for wheat, as its phytase activity was 3-fold higher, did not increase the mineral bioavailability because of the higher PA concentration and the lower PA affinity of phytase in rye. The addition of an exogenous microbial phytase, at a concentration 20- to 50-fold higher than that of the endogenous phytase activity in a wheat/lentil blend (65/35), allowed a maximum PA degradation of 84%. This reduction may improve the in vitro Fe and Zn bioavailability of this blend (from 5 to 48%).Keywords: cereal/legume mixed foods; phytic acid, endogenous phytase, exogenous phytase, in vitro bioavailability; solid:liquid ratio
Scotti-Tomaselli, Christelle. "Développement d'un procédé de fermentation en milieu solide pour la production d'un inoculum fongique capable de dégrader les hydrocarbures aromatiques polycycliques dans le sol." Aix-Marseille 1, 2001. http://www.theses.fr/2001AIX11010.
Full textBook chapters on the topic "Dégradeurs"
Desforges, Josée. "Dégrader/décadrer le paysage." In L’Image railleuse. Publications de l’Institut national d’histoire de l’art, 2019. http://dx.doi.org/10.4000/books.inha.8689.
Full text"Mesotoga : la bactérie des milieux pollués." In Science et développement durable, 114. Marseille: IRD Éditions, 2019. http://dx.doi.org/10.4000/1229r.
Full textDevetter, François-Xavier, Annie Dussuet, Laura Nirello, and Emmanuelle Puissant. "Interroger le médico-social." In Interroger le médico-social, 289–313. Dunod, 2024. http://dx.doi.org/10.3917/dunod.henck.2024.01.0289.
Full text"Gagner sa vie sans se faire exploiter et sans dégrader l’environnement." In Dix fenêtres sur l'aventure humaine, 91–106. Presses de l'Université Laval, 2021. http://dx.doi.org/10.2307/j.ctv1q3xfmg.11.
Full text"Gagner sa Vie Sans se Faire Exploiter et Sans Dégrader L’Environnement." In Dix fenêtres sur l'aventure humaine, 91–106. Les Presses de l’Université de Laval, 2021. http://dx.doi.org/10.1515/9782763753508-007.
Full textMinni, Claude, and Stéphane Jugnot. "Quelques trimestres de mauvaise conjoncture au départ ne suffisent pas à dégrader durablement les conditions d’insertion des jeunes." In 20 ans d’insertion professionnelle des jeunes : entre permanences et évolutions, 33–39. Céreq, 2018. http://dx.doi.org/10.4000/books.cereq.2489.
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