Academic literature on the topic 'Transport du génome'
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Journal articles on the topic "Transport du génome"
Vincent, Stephanie, Richard Planells, Catherine Defoort, Marie-Christine Bernard, Mariette Gerber, Joanne Prudhomme, Philippe Vague, and Denis Lairon. "Genetic polymorphisms and lipoprotein responses to diets." Proceedings of the Nutrition Society 61, no. 4 (November 2002): 427–34. http://dx.doi.org/10.1079/pns2002177.
Full textBoutonnet, J. C., and G. Murry. "Les matériaux nouveaux et l'évolution du génie mécanique : le cas du transport ferroviaire." Revue de Métallurgie 87, no. 7-8 (July 1990): 687–92. http://dx.doi.org/10.1051/metal/199087070687.
Full text-KELLER, Françoise. "Une mise en uvre d'outils de génie logiciel dans le domaine des transports." Revue de l'Electricité et de l'Electronique -, no. 01 (1995): 56. http://dx.doi.org/10.3845/ree.1995.010.
Full textFAVERDIN, P., and C. LEROUX. "Avant-propos." INRAE Productions Animales 26, no. 2 (April 16, 2013): 71–76. http://dx.doi.org/10.20870/productions-animales.2013.26.2.3137.
Full textSandrine, Kouna Binélé Marlise, Awono Mbassi Tatiana, Menyengue Eric François, Jakpou Njipnang Doris Nadine, and Mopi Touoyem Fabrice. "Le marché des produits vivriers et développement socio-économique dans l’Arrondissement de Sa’a (Région du Centre, Cameroun)." European Scientific Journal ESJ 17, no. 16 (May 31, 2021). http://dx.doi.org/10.19044/esj.2021.v17n16p72.
Full textGaspar, Jorge. "Futuro, cidades e território." Finisterra 51, no. 101 (April 1, 2016). http://dx.doi.org/10.18055/finis8875.
Full textDissertations / Theses on the topic "Transport du génome"
Nachury, Maxence. "La GTPase Ran : un marqueur du génome dans l'espace cellulaire." Paris 11, 2001. http://www.theses.fr/2001PA112257.
Full textThe Ran GTPase is involved in a number of processes required for the xpression and, maintenance of the eukaryotic genome. Two factors ensure that GTP-bound Ran is only found in the vicinity of the genomic DNA. First, RCC1, the guanine nucleotide exchange factor for Ran, binds tightly and constitutively to chromatin. Second, RanGAP, the GTPase-activating protein for Ran. Is found only in the cytosol. The aim of my thesis research was to understand how this anisotropic distribution of RanGTP orchestrates nucleocytoplasmic transport during interphase and spindle assembly during, mitosis. The transport of proteins into and out of the nucleus is an active process that depends on Ran and specific transport receptors. I found that the translocation of receptor-cargo complexes across the nuclear pore complex (NPC) does not require GTP hydrolysis by Ran. Furthermore, the presence of high concentrations of RanGTP in the cytoplasm can invert the direction of transport through the NPC. .
Carlón-Andrés, Irene. "Implication fonctionnelle de la nucléoporine Nup358/RanBP2 et des récepteurs de transport dans l’entrée du génome adénoviral." Thesis, Bordeaux, 2017. http://www.theses.fr/2017BORD0807/document.
Full textNuclear delivery of viral genomes is an essential step for nuclear replicating DNA viruses such asAdenovirus (AdV). AdV particles reach the nuclear pore complex (NPC) in the form of genomecontaining, partially disassembled capsids, through a poorly understood CRM1-dependent mechanism.These capsids exceed the NPC size limit and therefore, they must disassemble at the NPC to releasethe viral genome. Nuclear import of DNA cargos is not a physiological process. Consequently, AdVneed to divert the cellular transport machinery for nuclear genome delivery. The NPC is a multiproteincomplex consisting of nucleoporins (Nups). The Nup358/RanBP2 is the major component ofthe cytoplasmic filaments of the NPC and serves as binding platform for factors includingkaryopherins (i.e Importin-β, CRM1) and the small GTPase Ran. Selective transport of cargo throughthe NPC is mediated by karyopherins, which recognize specific signals within the cargos and facilitatetheir transport in a RanGTP-dependent regulated manner. We identified that Nup358-depleted cellsreduce nuclear import efficiency of the AdV genome. Indeed, we observed that karyopherins are ratelimitingfor AdV genome import under these conditions and we mapped the minimal region ofNup358 necessary to compensate the import defect. On the other hand, we could confirm therequirement of CRM1 in nuclear targeting of AdV capsids and identified and additional role inmediating AdV capsid disassembly. This work helps to understand the strategy used by AdV todeliver their genome and gives insight about how viruses hijack the cellular transport machinery fortheir own benefit
Gallucci, Lara. "Interactions of HBV capsid involved in nuclear transport." Thesis, Bordeaux, 2018. http://www.theses.fr/2018BORD0130/document.
Full textThe Hepatitis B Virus (HBV) is an enveloped virus containing a partially double stranded DNA genome (rcDNA). HBV causes acute and chronic infections. HBV is not cytotoxic but chronic inflammation leads to liver fibrosis, cirrhosis and hepatocellular carcinoma. HBV replicates via an RNA intermediate, which is transcribed from a covalently closed circular form of the viral DNA (cccDNA). This pregenomic RNA is specifically encapsidated into the capsid by interaction with the viral polymerase, which also interacts with the core protein (Cp), forming the capsid. The polymerase retrotranscribes the pregenomic RNA into single stranded DNA and subsequently partially double stranded DNA resulting in mature capsids (MatC). Cp is an 185 aa long polypeptide comprising a N-terminal assembly domain, and a flexible C-terminal domain (CTD). The CTD includes two overlapping nuclear localization signals (NLS) of eight aa and an Importin ß Binding Domain (IBB) of 34 aa. The CTD is fixed in the interior of the capsid by interacting with single stranded nucleic acids but translocates to the exterior in MatC and empty capsids (EmpC). Cp is over expressed leading to assembly of EmpC. The virus has to deliver its genome into the nucleus of infected cells for replication. Nuclear transport is mediated by the capsid that interacts with nuclear import receptors. The group has recently shown that MatC need either both, importin (Imp.) and importin ß (Imp.ß), or Imp.ß alone for transport of the capsids into the nuclear basket. In this structure where genome liberation likely occurs, the transport of the capsid is arrested by interaction between the capsid and the nucleoporin Nup153. In the thesis we demonstrate that MatC binds to Imp.α but not Imp.ß, suggesting that only the part of the CTD, which contains the NLSs is exposed on capsids’ surface. In collaboration with the Adam Zlotnick (Indiana University, U.S.A.) we showed that EmpC, in contrast, bind Imp.β directly without Imp.α acting as an adaptor. This interaction, which is stronger than the one of Imp. occurs needs IBB exposure, meaning that the entire CTD becomes externalized. Furthermore, exposure to very high Imp.ß concentration led to EmpC destabilization. The genome release within the nuclear basket implies that Nup153 is involved in genome liberation from MatC. To verify this hypothesis we used MatC with a radioactively labeled genome, which were exposed to the capsid binding-Nup153 fragment. Investigating the accessibility of the genome to nucleases we found that the Nup153 fragment had no impact on capsids stability, suggesting the need of cellular factors driving disassembly. This conclusion is in agreement with our observation that MatC added to isolated nuclei resulted in nuclear capsid entry, which requires disassembly. To further study the disassembly step and the consequent release of the viral genome, we developed a system to directly visualize the viral genome allowing investigations of genome uncoating in real time. The system is based on the cooperative binding of a fluorescent fusion protein between the bacterial protein OR with GFP to a double stranded DNA sequence called Anch. Using this model we showed that infection of OR-GFP-expressing hepatoma cells with HBV containing a modified Anch genome allowed monitoring genome release into the nucleus. In future, this system may help identifying factors involved in genome release and repair and to decipher their molecular interactions
Akarsu, Hatice. "Etudes structurales et fonctionnelles des protéines virales impliquées dans le trafic intracellulaire du génome du virus de la grippe." Phd thesis, Université Joseph Fourier (Grenoble), 2005. http://tel.archives-ouvertes.fr/tel-00011131.
Full textla cellule hôte par endocytose, libère dans le cytoplasme ses vRNPs qui gagnent ensuite le noyau cellulaire pour être transcrites et répliquées. Les vRNPs sont importées via l'hétérocomplexe des importines alpha/beta. La NP, composant majoritaire des vRNPs, pourrait être impliquée dans cette étape et serait aussi un candidat idéal dans la mise au point de drogues antivirales. Nous avons voulu déterminer les caractéristiques structurales de
NP en complexe avec l'importine alpha 5 humaine. Grâce à la technique de microscopie électronique à transmission, nous avons obtenu un premier
modèle à basse résolution du complexe NP/importine alpha.
Dans le noyau, les vRNPs sont étroitement liées à la chromatine. En phase tardive du cycle viral, la protéine matricielle M1 se lierait aussi à la chromatine, peut-être pour décrocher les vRNPs. Nous avons pu montrer, par la technique de sédimentation, que les vRNPs se lient aux queues des histones, alors que M1 se fixe sur le domaine globulaire des octamères d'histones.
En fin de cycle viral, les vRNPs amplifiées sortent du noyau. Nos tests enzymatiques, d'interaction sur billes et en sédimentation montrent que les protéines virales M1 et NEP servent d'adaptateurs entre les vRNPs et le système d'export nucléaire CRM1/RanGTP. Nous avons aussi obtenu la
structure cristallographique du domaine C-terminal de NEP se liant à M1.
Jacquot, Pierre. "Caractérisation structurale et fonctionnelle de pb2, protéine de la queue du bactériophage T5Rôle dans le transport du génome viral et dans la morphogenèse de la queue." Paris 11, 2008. http://www.theses.fr/2008PA112188.
Full textPhage genome transfer through the envelope of the bacterial host is a complex process that is operated via varied mechanisms depending on the phages considered. This work was aimed at clarifying the role of pb2, the tail tip protein of phage T5, during its genome transport through the E. Coli envelope. First a bionformatical analysis of pb2 outlined the peculiar organization of this protein compared to other structural proteins of phage and allowed us to assign this protein as a tape measure protein, that determines the length of the tail. To understand the role of the C-terminal domain in the activity of pb2, a shorter 21kDa protein constituting the C terminal end of pb2-Cterm, has been over-expressed and purified. Gel infiltration, analytical ultracentrifugation, and blue native gel analysis demonstrated that this protein has an oligometric organization, ranging from dimers to hexamers, depending on the protein concentration, the pH and salt concentration of the buffer. The size of the particles observed by electron microscopy indicates that the pentametric organization is prevalent, as also suggested in vivo. Pb2-Cterm is able to fuse LUVs (Large Unilamellar Vesicles) and aggregate GUVs. In vivo, it promotes septum deformation of bacteria. Pb2 is also able to partially digest peptidoglycan. Altogether these results suggest that pb2 is a multifunctional protein that has no equivalent in other phages. We propose that this protein forms a DNA pore, thanks to its fusogenic and peptidoglycan hydrolytic activities and also plays a central role during the morphogenesis of the phage by determining the length of the tail
Mselli-Lakhal, Laïla. "Construction de vecteurs lentiviraux défectifs pour la réplication : étude du transport des ARN et des séquences impliquées dans l'encapsidation du génome du virus de l'arthrite et de l'encéphalite caprine (CAEV)." Lyon 1, 1997. http://www.theses.fr/1997LYO1T058.
Full textNowacki, Mariusz. "Developmental genome rearrangements in Paramecium tetraurelia : novel proteins and short RNAs involved in trans-nuclear, homology-dependent crosstalk." Paris 6, 2005. http://www.theses.fr/2005PA066233.
Full textPenaud, Stéphanie. "Analyse de la séquence génomique et étude de l'adaptation à l'acidité de L. Delbrueckii ssp. Bulgaricus ATCCC11842." Paris, Institut national d'agronomie de Paris Grignon, 2006. http://www.theses.fr/2006INAP0013.
Full textBerrada, Gouzi Ai͏̈cha. "Secrétion des protéines et génie génétique." Paris 5, 1990. http://www.theses.fr/1990PA05P063.
Full textSamson, Eric. "Modélisation numérique du transport ionique dans les matériaux cimentaires non saturés." Thesis, Université Laval, 2005. http://www.theses.ulaval.ca/2005/23639/23639.pdf.
Full textBooks on the topic "Transport du génome"
Le génie du lieu: Expériences du ravissement, du transport, de la dépossession. Münster: Lit, 2003.
Find full textBasic transport phenomena in biomedical engineering. Philadelphia, Pa: Taylor & Francis, 1999.
Find full textJean-Paul, Canselier. Energie et formulation: Production et transports de l'énergie,... Les Ulis (Essonne): EDP sciences, 2005.
Find full textConference papers on the topic "Transport du génome"
Villaret, Catherine. "Modélisation du transport littoral." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2004. http://dx.doi.org/10.5150/jngcgc.2004.028-v.
Full textVillaret, Catherine, Charles Teisson, Olivier Simonin, and Cosette Boeuf. "Modélisation diphasique du transport de sédiments cohésifs." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 1996. http://dx.doi.org/10.5150/jngcgc.1996.032-v.
Full textADONG, Feddy, Anne-Claire BENNIS, and Dominique MOUAZE. "Modélisation du transport particulaire pour les énergies marines renouvelables." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2016. http://dx.doi.org/10.5150/jngcgc.2016.014.
Full textCamenen, Benoît, Rodrigo Pedreros, Hélène Dupuis, Hélène Howa, and Philippe Larroudé. "Modélisation numérique du transport sédimentaire sur une plage sableuse." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2000. http://dx.doi.org/10.5150/jngcgc.2000.020-c.
Full textCamenen, Benoït, and Magnus Larson. "Transport solide par charriage sous une interaction houle-courant." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2004. http://dx.doi.org/10.5150/jngcgc.2004.018-c.
Full textCamenen, Benoït, and Magnus Larson. "Transport solide en suspension sous une interaction houle-courant." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2006. http://dx.doi.org/10.5150/jngcgc.2006.015-c.
Full textREVIL-BAUDARD, Thibaud, and Julien CHAUCHAT. "Modélisation diphasique du transport sédimentaire en régime de Sheet Flow." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2012. http://dx.doi.org/10.5150/jngcgc.2012.041-r.
Full textCornejo Velasco, Josue, and J. Lopez Olivares. "Etude globale du transport sédimentaire dans le Golfe du Mexique." In Journées Nationales Génie Côtier - Génie Civil. Presses Universitaires de Perpignan, 1994. http://dx.doi.org/10.5150/jngcgc.1994.042-c.
Full textSilva, Paulo A., Mariana Ramos, and André Temperville. "Evolution bathymétrique due au transport cross-shore en zone côtière." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2002. http://dx.doi.org/10.5150/jngcgc.2002.030-s.
Full textWaeles, Benoît, and Pierre Le Hir. "Modélisation du transport de sédiments mixtes (vase et sable fin)." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2004. http://dx.doi.org/10.5150/jngcgc.2004.027-w.
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