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Academic literature on the topic 'Gènes constitutifs'
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Journal articles on the topic "Gènes constitutifs"
MILAN, D., A. ROBIC, P. CHARDON, N. IANNUCCELLI, J. C. CARITEZ, M. YERLE, J. GELLIN, et al. "Exemple de cartographie fine : le cas du gène RN chez le porc." INRAE Productions Animales 13, HS (December 22, 2000): 137–39. http://dx.doi.org/10.20870/productions-animales.2000.13.hs.3825.
Full textDalpé, Robert, and Louise Bouchard. "Les collaborations de recherche en génétique." Cahiers de recherche sociologique, no. 40 (May 2, 2011): 47–68. http://dx.doi.org/10.7202/1002418ar.
Full textFAUCONNEAU, B. "Dossier : Le déterminisme génétique du développement musculaire." INRAE Productions Animales 9, no. 3 (June 17, 1996): 211–31. http://dx.doi.org/10.20870/productions-animales.1996.9.3.4049.
Full textMULSANT, P. "Glossaire général." INRAE Productions Animales 24, no. 4 (September 8, 2011): 405–8. http://dx.doi.org/10.20870/productions-animales.2011.24.4.3273.
Full textStoczkowski, Wiktor. "Race." Anthropen, 2017. http://dx.doi.org/10.17184/eac.anthropen.042.
Full textDissertations / Theses on the topic "Gènes constitutifs"
Barsalobres, Cavallari Carla Fernanda. "Identificação e caracterização de promotores de genes de café (Coffea arabica)." Montpellier 2, 2009. http://www.theses.fr/2009MON20223.
Full textThe choice of promoter, to confer constitutive, spatial and/or temporal transgene expression, is one input in plant biotechnology applications. This study presents the identification and characterization of different gene promoters in coffee (Coffea arabica), a species of major socio-economic characteristics. Forty one constitutive, fruit-specific or pathogen defense-related genes were identified following literature data or in silico analyses in available EST databases. The expression levels of these genes were verified by quantitative PCR and merely 10 genes presented a real constitutive or specific expression condition. The expression levels assays were carried out in 5 coffee organs/tissues (root, stem, leaves, flowers and fruits) or in coffee plants challenged with Hemileia vastatrix. The promoter region of 4 genes were isolated and characterized in silico: CaGAPDH (inner control), CaAN2 (anthocyanin2 fruit-specific), CaPR1b and CaNPR1 (basic form of pathogenesis-related protein1 and nonexpressor of PR genes, both pathogen-inducible). The functional analyses of the DNA sequence upstream of these genes were assessed with regard to the iudA reporter gene, via Agrobacterium-mediated transient expression assay in tobacco or tomato plants. The characterization of promoters is not only an approach towards coffee breeding programs, but also provides fundamental data for understanding the mechanisms regulating gene expression in perennial plants
Blondet, Antonine. "Mécanismes moléculaires contrôlant l'expression des gènes codant les récepteurs aux mélanocortines de types 2 et 4 : implications dans l'expression constitutive de ces gènes." Lyon 1, 2004. http://www.theses.fr/2004LYO10102.
Full textFalquerho, Laurence. "Etude de la phosphoprotéine hépatique PP63 : propriétés biologiques, expression et transcription constitutive de son gène." Montpellier 2, 1991. http://www.theses.fr/1991MON20222.
Full textBaudrier, Lou. "Régulation des gènes CYP2B de rongeurs : analyses d'une région régulatrice intronique et de l'effet du récepteur constitutif des androstanes sur l'induction de Cyp2b10 par la dexaméthasone." Master's thesis, Université Laval, 2015. http://hdl.handle.net/20.500.11794/26409.
Full textCaparros-Ruiz, David. "Identification de deux protéines (Nucléoline et ADP ribose polymerase), constitutives de deux complexes de liaison à l'ADN interagissant spécifiquement avec l'espaceur externe transcrit 5' des gènes ribosomiques de crucifères." Perpignan, 2002. http://www.theses.fr/2002PERP0467.
Full textIn all studied crucifers, two different rDNA-binding activities, NF B and NF D, have been identified interacting specifically with a conserved cluster of the 5'ETS of rRNA genes, named A123BP. We have characterized these complexes and identified their major proteins. Thus, the major proteins of the complex responsible for the DNA-binding activity of NF D is Nucleolin, whereas a poly(ADP-ribose) polymerase is one of the major proteins of the NF B DNA-binding activity complex. Nucleolin is a well known nucleolar protein involved in several steps of ribosome biogenesis, including regulation of rRNA gene transcription. In contrast, the involvement of a poly(ADP-ribose) polymerase protein in the biogenesis of ribosomes was never described before. Taken together, our results suggest that NF B and NF D are involved in the regulation of the early events of the ribosome biogenesis in crucifer plants
Al, Khansa Ihab. "Caractérisation des profils de gènes modulés par des hépatocancérogènes non génotoxiques : études in vivo et in vitro chez le rat." Rennes 1, 2010. http://www.theses.fr/2010REN1B138.
Full textLiver tumors are frequently induced in rodents by nongenotoxic chemicals. These hepatocarcinogens generally act by activating key nuclear receptors, such as CAR and PXR, in the liver, resulting in a cascade of signalization leading to modifications in the expression of genes responsible for a variety of processes involved in carcinogenesis. For the evaluation of the carcinogenic potential of chemicals, a 2-year rat bioassay is required. Recently, several short-term in vivo and in vitro technologies, including the transcriptomic approach, have been proposed as alternatives to this time-consuming and very expensive assay. In the present study we treated rats for 7 days and Liverbeads™ for 48 hr with several CAR and PXR activators, used as hepatocarcinogens. Our results showed that different gene signatures were obtained between the CAR and the PXR activators in rat liver. The signatures were largely different from those obtained with the non CAR/PXR and non hepatocarcinogens. In vitro, the data obtained did not allow well distinguishing between CAR and PXR modulators. In summary, our data support the conclusion that it is possible to discriminate between CAR and PXR modulators, using the short-term transcriptomic approach
Breuker, Cyril. "Etude des xénorécepteurs CAR (NR1I3) et PXR (NR1I2) : identification d’un nouveau gène cible de CAR (SPOT14) et d’une nouvelle isoforme de PXR (PXR-small) dans l'hépatocyte humain." Thesis, Montpellier 1, 2010. http://www.theses.fr/2010MON13522.
Full textCAR (Constitutive Androstane Receptor, NR1I3) and PXR (Pregnane X Receptor, NR1I2) are two nuclear receptors devoted to the recognition and elimination of lipohilic molecules potentially toxic to the body.These transcription factors can be activated by ligands of different origins and structures (drugs, environmental pollutants, food products and herbal medicine...). The activation of these receptors leads to the expression of major genes of the detoxification process (CYP450, transferases, transporters) leading to the elimination of these toxics. In this work, we 1) showed that Spot14, a pro-lipogenic protein, is a target gene of CAR, then 2) we identified a novel isoform of PXR (PXR-small), coding only the ligand binding domain of PXR. By using 5'-RACE PXR, we established the origins of transcription of PXR-small and by quantitative PCR we observed that PXR-small represents about 10% of all PXR transcripts in human liver. By using western blo t, we detect its presence on nuclear protein extracts from liver tissues and hepatic cell lines. In Electromobility shift essays experiments, we observed that PXR-small cannot bind to DNA, while reporter essay experiments suggest that this isoform acts as a dominant negative of PXR. Finally, the presence of a CpG island just upstream of PXR-small suggests that this novel isoform might be regulated epigenetically by methylation, more particularly in tumor cells
Guenegou, Armelle. "Relations entre le niveau sérique d'antioxydants non enzymatiques, le polymorphisme microsatellite du processeur du gène de l'hème oxygénase-1 et la constitution d'un trouble obstructif de la fonction pulmonaire, dans une population générale." Paris 11, 2006. http://www.theses.fr/2006PA11T047.
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