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Academic literature on the topic 'Contrôle de l'expression'
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Journal articles on the topic "Contrôle de l'expression"
Kahn, A. "Contrôle hormonal de l'expression des gènes." médecine/sciences 2, no. 1 (1986): 50. http://dx.doi.org/10.4267/10608/3418.
Full textBERGERON, Gérard. "Pouvoir, contrôle et régulation." Sociologie et sociétés 2, no. 2 (September 30, 2002): 227–48. http://dx.doi.org/10.7202/001043ar.
Full textDobigeon, Françoise, and P. Sudraud. "Contrôle de la mention « blanc de blanc »." OENO One 26, no. 2 (June 30, 1992): 119. http://dx.doi.org/10.20870/oeno-one.1992.26.2.1197.
Full textLipinski, M., S. Lorain, and F. De Lucia. "Plasticité chromatinienne, contrôle de l'expression génique et pathologie humaine." médecine/sciences 16, no. 1 (2000): 69. http://dx.doi.org/10.4267/10608/1505.
Full textCousson, A., P. Toubart, and K. Tran Thanh Van. "Contrôle de l'expression de la variabilité morphogénétique en milieux liquides." Bulletin de la Société Botanique de France. Actualités Botaniques 132, no. 3-4 (January 1985): 151. http://dx.doi.org/10.1080/01811789.1985.10826756.
Full textMorin, Fernand. "Pouvoir disciplinaire de l’employeur et le contrôle de l’arbitre." Jurisprudence du travail 22, no. 1 (April 12, 2005): 116–26. http://dx.doi.org/10.7202/027760ar.
Full textGrimaldi, P. "Contrôle de l'expression des gènes de différenciation adipocytaire : cycle cellulaire et hormones." Reproduction Nutrition Développement 30, no. 3 (1990): 281–95. http://dx.doi.org/10.1051/rnd:19900301.
Full textMARTINS, Luciano. "La « joint-venture » État — Firme transnationale — Entrepreneurs locaux au Brésil." Sociologie et sociétés 11, no. 2 (September 30, 2002): 169–90. http://dx.doi.org/10.7202/001477ar.
Full textLabie, D. "Les mécanismes de contrôle de l'expression des gènes α et β-globine ne sont pas identiques." médecine/sciences 8, no. 8 (1992): 848. http://dx.doi.org/10.4267/10608/3240.
Full textFISZMAN, M. Y. "Les stratégies moléculaires impliquées dans le contrôle de l'expression des gènes au cours de la différenciation des cellules musculaires." Reproduction Nutrition Développement 28, no. 3B (1988): 703–13. http://dx.doi.org/10.1051/rnd:19880504.
Full textDissertations / Theses on the topic "Contrôle de l'expression"
Studniarek, Cécilia. "Contrôle de l'expression génique par la RNP 7SK." Thesis, Toulouse 3, 2019. http://www.theses.fr/2019TOU30318.
Full textThe positive transcription elongation factor b (P-TEFb) stimulates transcription elongation through phosphorylation of negative elongation factors and the carboxyl-terminal domain (CTD) of RNA polymerase II (RNA Pol II). The cellular activity of P-TEFb is controlled by the 7SK small nuclear RNP (snRNP) composed of the 7SK snRNA, LARP7 and MePCE. Together with HEXIM, the 7SK snRNP dynamically sequesters a fraction of nuclear P-TEFb into catalytically inactive 7SK/HEXIM/P-TEFb snRNP. Outside of the 7SK snRNP, active P-TEFb is targeted to gene promoter regions to stimulate transcription elongation through its association with transcription factors and cofactors. Active P-TEFb is also rapidly released from 7SK/HEXIM/P-TEFb snRNP in response to various stress and physiological conditions which globally affect cell growth - including UV-induced DNA damage. Besides serving as a P-TEFb reservoir, the inactive 7SK/HEXIM/P-TEFb snRNP is selectively targeted to and loaded onto various gene promoters to allow 'on site' P-TEFb extraction and to support specific gene activation. Using human 7SK knock-out (KO) cell lines, we have assessed the functional consequences of 7SK snRNA loss on RNAPII transcription before and after UV-induced DNA damage. Mammalian Native Elongating Transcript-sequencing (mNET-seq) showed that under normal growth conditions the lack of 7SK snRNA has only subtle impacts on RNA Pol II transcription. However, upon UV irradiation, some key early-responsive genes which are readily induced in control cells show impaired transcriptional activation in 7SK KO cells. Since the levels of active P-TEFb in control and 7SK KO cells are highly comparable, we concluded that proper activation of these 7SK-dependent genes relies on the 7SK-associated inactive fraction of P-TEFb. Further experiments suggested that upon UV irradiation, P-TEFb is specifically extracted from the 7SK/P-TEFb snRNP and recruited to selected target genes as part of the Super Elongation Complex (SEC) in order to stimulate RNA Pol II entry into productive elongation and recruitment of RNA Pol II elongation factors. In conclusion, we have demonstrated that the 7SK snRNA is not required for cell viability under normal growth conditions but it is critical to orchestrate accurate transcriptional response upon UV-induced DNA damage
Van, Heuverswyn Brigitte. "Contrôle de l'expression du gène de la thyroglobuline." Doctoral thesis, Universite Libre de Bruxelles, 1985. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/213601.
Full textBoutonnet, Christel. "Contrôle pharmacologique de l'expression d'un transgène au niveau traductionnel." Toulouse 3, 2004. http://www.theses.fr/2004TOU30077.
Full textBertin, Marine. "Contrôle de l'expression du régulateur central AtxA chez Bacillus anthracis." Paris 7, 2010. http://www.theses.fr/2010PA077029.
Full textBacillus anthracis, the ethiological agent of anthrax, is a Gram positive spore forming bacterium. After entry into the mammalian host the bacilli multiply and produce key virulence factors, an immunomodulating tripartite toxin and an antiphagocytic poly-y-D-glutamate capsule, Genes responsible for synthesis of the key virulence factors are under AtxA contrai» a global transcriptional regulator. Toxin gene expression has been investigated but the mechanism by which is still undefined. With a set of deleted strains, we have determined that in cis elements located in the vicinity of atxA act on this gene expression. Regions located both upstream and downstream atxA are roquired for full expression of the gene, Upstream of atxA, a second promoter located before the initially identified promoter has been described by another team. An atxA copy deleted just after the translation stop codon gene is responsible for a defect m atxA and pagA expression and this phenotype is not restored by an in trans complementation of the deleted part. The truncated atxA gene produces an instable mRNA. We have determined that the atxA 3'UTR region of 520 bases ends with a rho-independent terminator. We hypothesized that the stem and loop structure is necessary for protection of the transcript against 3'-5' exoribonucleases. The stem end loop structure acts as a transcriptional repressor when inserted between an inducible promoter and a reporter gene. We have shown that the atxA gene, as now defined with a long 5'UTR, containing the described promoters, and the 3'UTR region, containing a stem, and loop follow by poly-T, is the only pXQl element required for pagA gene optimal expression
Christophe, Daniel. "Du gène de la thyroglobuline: structure et contrôle de l'expression." Doctoral thesis, Universite Libre de Bruxelles, 1988. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/213376.
Full textLafontaine, Jennifer. "Contrôle de l'expression des gènes ribosomaux chez la levure et l'homme." Mémoire, Université de Sherbrooke, 2013. http://hdl.handle.net/11143/6322.
Full textVan, Reeth Thierry. "Contrôle de l'expression du gène de l'alpha-foetoprotéine par l'hormone thyroïdienne." Doctoral thesis, Universite Libre de Bruxelles, 2000. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/211760.
Full textBerberof, Magali. "Contrôle de l'expression des gènes d'antigènes de surface majeurs chez trypanosoma brucei." Doctoral thesis, Universite Libre de Bruxelles, 1995. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/212579.
Full textAchour, Lamia. "Contrôle de l'expression à la surface cellulaire du récepteur de chimiokine CCR5." Paris 5, 2009. http://www.theses.fr/2009PA05T011.
Full textCCR5 a chemokine receptor belonging to the G protein-coupled receptor (GPCR) family, plays a major role in HIV entry, by forming the viral receptor in association with the glycoprotein CD4. We report that the vast majority of fully functional CCR5 (=90%) is maintained within the intracellular compartments of human immune cells and of transfected fibroblasts. Intracellular CCR5 is mostly localized in the endoplasmic reticulum (ER) and the Golgi apparatus. The molecular mechanisms which control the export of CCR5 from the intracellular compartments are different in the ER and the Golgi. In the ER, the progression of CCR5 is slow and depends on its association with CD4 which functions as an escort protein and controls the CCR5 exit. Association with CD4 would induce a conformational change of CCR5, which would release the receptor from its retention in the ER by a resident protein, PRAF2. In the Golgi, the release of CCR5 is faster (5-10min) and is controlled by extracellular signals promoted by cell adhesion. The intracellular retention of CCR5 and, more generally, of GPCRs could represent an adaptive mechanism to maintain a prolonged physiological response. In particular contexts, which require sustained receptor response such as leukocyte chemotaxis, intracellular receptors would allow the permanent replacement of cell surface desensitized and internalized receptors
Polanowska, Jolanta. "Contrôle de l'expression du gèbe cycline E au cours du cycle cellulaire." Montpellier 2, 2000. http://www.theses.fr/2000MON20095.
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