Academic literature on the topic 'Protéine A du centromère'
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Journal articles on the topic "Protéine A du centromère"
Le Joncour, A., J. L. Charuel, S. Choquet, J. P. Spano, Z. Amoura, D. Saadoun, P. Ghillani-Dalbin, and P. Cacoub. "Maladies associées aux anticorps anti-centromère protéine de type F (anti-CENP-F) : une série de 109 patients." La Revue de Médecine Interne 45 (June 2024): A57. http://dx.doi.org/10.1016/j.revmed.2024.04.336.
Full textLabbe, Jean-Pierre. "Élasticité du centromère." médecine/sciences 21, no. 3 (March 2005): 261–66. http://dx.doi.org/10.1051/medsci/2005213261.
Full textSperandio, Olivier, Bruno O. Villoutreix, Xavier Morelli, and Philippe Roche. "Les chimiothèques ciblant les interactions protéine-protéine." médecine/sciences 31, no. 3 (March 2015): 312–19. http://dx.doi.org/10.1051/medsci/20153103017.
Full textAleil, Boris, and Christian Gachet. "Protéine VASP." Archives des Maladies du Coeur et des Vaisseaux - Pratique 2005, no. 138 (April 2005): 10. http://dx.doi.org/10.1016/s1261-694x(05)88066-6.
Full textAillaud, Marie-Françoise. "Protéine C." EMC - Biologie Médicale 1, no. 1 (January 2006): 1–4. http://dx.doi.org/10.1016/s2211-9698(06)76175-1.
Full textAillaud, Marie-Françoise. "Protéine S." EMC - Biologie Médicale 1, no. 1 (January 2006): 1–4. http://dx.doi.org/10.1016/s2211-9698(06)76176-3.
Full textPortefaix, M., I. Teulon, M. Nicolas, and M. Del Rio. "Protéine p53." Immuno-analyse & Biologie Spécialisée 12, no. 2 (May 1997): 70–73. http://dx.doi.org/10.1016/s0923-2532(97)88665-6.
Full textBéganton, Benoît, Etienne Coyaud, Alain Mangé, and Jérôme Solassol. "Approches nouvelles pour l’étude des interactions protéine-protéine." médecine/sciences 35, no. 3 (March 2019): 223–31. http://dx.doi.org/10.1051/medsci/2019035.
Full textLaudet, Béatrice, Renaud Prudent, Odile Filhol, and Claude Cochet. "Des agents thérapeutiques ciblant des interactions protéine-protéine." médecine/sciences 23, no. 3 (March 2007): 273–78. http://dx.doi.org/10.1051/medsci/2007233273.
Full textPeltier, J., R. Fournier, A. Fichten, M. Lefranc, B. Nicot, C. Desenclos, P. Toussaint, D. Le Gars, and J. M. Serot. "Protéine amyloïde, protéine tau et hydrocéphalie chronique de l’adulte." Neurochirurgie 55, no. 4-5 (October 2009): 522–23. http://dx.doi.org/10.1016/j.neuchi.2009.08.108.
Full textDissertations / Theses on the topic "Protéine A du centromère"
Rouzeau, Sébastien. "Rôle de la protéine BLM dans le maintien de l’intégrité du centromère : implications dans le phénotype cellulaire associé au syndrome de Bloom." Thesis, Paris 11, 2011. http://www.theses.fr/2011PA11T110/document.
Full textBloom syndrome (BS) is a rare genetic disease characterized by a sharp increase in the rate of sister chromatid exchanges, chromosome segregation abnormailities and a predisposition to the development of all types of cancers. This syndrome is caused by mutations in both copies of the BLM gene, which encodes BLM, a RecQ 3'-5 DNA helicase. The specific function(s) of BLM remain unclear, but the data from the literature converge towards a role for BLM in mechanisms monitoring and / or maintaining genome integrity. The BLM protein may be involved in restarting stalled replication forks during S phase and necessary to resolve anaphase bridges in mitosis, including particular bridges called "Ultrafine Anaphase Bridges" (UFBs). These UFBs, which link sister chromatids together, are not detectable by conventional stains and their presence can only be revealed by the detection of the proteins PICH (PLK1-interacting checkpoint helicase) or BLM. In untreated cells, UFBs originate mostly from centromeres (cUFBs).The challenge of my project was to determine whether BLM was also involved in preventing the formation of cUFBs and so, if it played a role before anaphase.We showed that BLM is recruited at centromeres from G2 phase to mitosis. BLM, in cooperation with PICH, is required for (1) structural organization of centromeric DNA, (2) completion of centromere disjunction, independently of the cohesin pathway, suggesting an involvement of these proteins in centromere decatenation process, and (3) recruitment of active topoisomerase IIα (Topo IIα) to centromeres. Thus, we report a new localization and a new function of BLM at centromeres, revealing for the first time a new role for BLM and PICH in a previously unknown centromeric decatenation mechanism, crucial for complete centromere disjunction.We propose that the combined action of BLM and PICH promotes, through their helicase and chromatin remodelling activities, respectively, the organization of centromeric chromatin, thereby rendering some centromeric catenates accessible to Topo IIa before the onset of anaphase. The failure of this mechanism may lead to the persistence of some centromeric catenations not resolved before anaphase. Thus, the increase in the frequency of centromeric UFBs in BLMdeficient cells has two different origins: cUFBs arising from catenations not resolved before anaphase and physiological cUFBs not processed at anaphase onset. Two distinguish the two cUFB origins, we defined the former as supernumerary centromeric UFBs (SC-UFBs)
Gross, Sylvain. "Etude de la déstabilisation des structures protéique et chromatinienne des centromères par la protéine ICP0 du virus Herpes Simplex de Type 1." Phd thesis, Université Claude Bernard - Lyon I, 2011. http://tel.archives-ouvertes.fr/tel-00838586.
Full textCombes, Guillaume. "Étude de l'extension N-terminale de la kinase mitotique MPS1." Doctoral thesis, Université Laval, 2017. http://hdl.handle.net/20.500.11794/27887.
Full textOne of the first recognized characteristics in cancer cells was the observation of chromosomal aberrations during cell division. Among these aberrations, there is aneuploidy, a genetic abnormality defined by having an incorrect number of chromosomes in the cell. As the leading cause of miscarriages and mental retardation, aneuploidy also contributes to tumor progression. Several mechanisms are established by the cell to counter these chromosomal aberrations. The "spindle assembly control point" (SAC) is one of these mechanisms which ensures accurate segregation of chromosomes during mitosis. The dual specificity kinase MPS1 coded by the TTK gene is a critical component of the SAC. The regulation of the activity and the localization of MPS1 is still not wholly understood. The localization of MPS1 to the kinetochores (KT, structure of the centromeres allowing SAC organization) requires a region of approximately 50 amino acids called NTE (N-Terminal Extension) which does not exhibit a known functional domain. Recent data have demonstrated that the N-Terminal region of MPS1 is involved in the regulation of its activity. The main objective of this project is to understand to what extent the NTE region participates in the regulation of the kinase activity and the localization of MPS1. Using a structure-based approach, we have demonstrated that the NTE region of MPS1 contributes to its localization and activation by 2 independent modules. We demonstrated that residues 19-29 are absolutely required for the localization of MPS1, thus defining more accurately the region responsible for its localization. This region is also necessary to decrease the interaction between MPS1 and its partner protein ARHGEF17/TEM4, which participates in its recruitment to the KT thereby regulating the localization of MPS1. The second module concerns the residues 40-49, especially the phosphorylation of this region which contributes to the activation of the kinase, presumably by the release of a mechanism of auto-inhibition of the kinase. This mechanism, which participates in the regulation of the MPS1 kinase activity, appears to occur successively with dimerization then the initial phosphorylation of the NTE region and finally followed by trans-autophosphorylation of the activation loop of the kinase domain. The importance of the NTE region in performing the functions of MPS1 during mitosis has been demonstrated as well as the need for these two particular regions of the NTE which are independently required for optimal functioning and maintaining the robustness of the SAC. Thus, this thesis provides additional and indispensable information for understanding the mechanisms regulating the kinase activity and the kinetochore localization of MPS1 via its NTE region.
Rouzeau, Sébastien. "Rôle de la protéine BLM dans le maintien de l'intégrité du centromère : implications dans le phénotype cellulaire associé au syndrome de Bloom." Phd thesis, Université Paris Sud - Paris XI, 2011. http://tel.archives-ouvertes.fr/tel-00769941.
Full textLe, Boulch Marie. "Décryptage des mécanismes d’ubiquitylation régulant l’histone centromérique CenH3 chez Saccharomyces cerevisiae." Thesis, Rennes 1, 2019. http://www.theses.fr/2019REN1B009.
Full textUbiquitylation consists of the covalent attachment of ubiquitin to other proteins. This process successively involves three families of enzymes: activation (E1s), conjugation (E2s) and ligation (E3s) enzymes. In my thesis, I am interested in the ubiquitylation network that regulates endogenous Cse4, the variant histone specifically located at the centromere. Cse4 is an essential protein that allows proper segregation of chromosomes. When Cse4 is over-expressed, it can localize on noncentromeric chromatin resulting in genetic instability observed in many cancers. In budding yeast, ubiquitylation prevents mislocalisation of Cse4 by leading to its degradation, but precise mechanisms are not known and data were obtained by overexpressing Cse4. Our hypothesis is that in yeast, endogenous Cse4 could be regulated differently thanks to several pairs of E2 / E3 enzymes. In this context, the goal of my thesis is to carry out a detailed study of the network of enzymes involved in endogenously expressed Cse4 ubiquitylation in order to better understand its regulation. In particular, we have been able to show a variation of the ubiquitylation during S phase dependent of the E3 Psh1
Briolay, Anne. "Mise en évidence de protéines nucléaires interagissant avec l'ADN et la tubuline : étude des interactions entre HMG 1 et la tubuline." Lyon 1, 1992. http://www.theses.fr/1992LYO10204.
Full textSanchez, Aurore. "La ségrégation du plasmide F d'Escherichia coli : étude des spécificités d'interaction du centromère avec la protéine SopB et organisation du complexe de partition étendu." Toulouse 3, 2014. http://thesesups.ups-tlse.fr/2447/.
Full textSegregation of genetic material over generations is an essential process ensuring that every daughter cell receives a copy of each DNA molecule. Similarly to Eukaryotes, Prokaryotes possess cytoskeletal machineries, named Par, responsible for DNA segregation. Bacterial Par systems, found on chromosomes as well as on various low copy number plasmids, are composed of three elements: a ParA protein, a ParB protein and a centromere site, parS. ParA ATPase is able to position plasmids in the cytoplasm during the cell cycle. Its dynamic pattern make it the motor of the partition. The centromere binding protein (CBP) ParB, binds the centromere to form a nucleoprotein assembly called the "partition complex". Using different mode of DNA binding and multiple protein-protein interactions, ParB is also capable of organizing into higher order complexes called the "extended" partition complex. This complex is the substrate for the partitioning process. Formation of the extended partition represents the first step in partition and is essential to segregation. The architecture of this complex is not known for any partition system parABS. Here, we focus on the assembly of the F partition complex. During my PhD, I initiated several projects in parallel to characterize the different interactions involved in the organization of the partition complex and the extended partition complex of this plasmid with in vivo and in vitro approaches. In collaboration with the laboratory of Dr. Veronique Le Berre in Toulouse (LISBP -INSA), we determined sopC basis involved in specific SopB-sopC interactions. Then, we identified a new ParB determinant, outside of the helix-turn-helix DNA binding motif, responsible for specific DNA binding to the centromere. These findings reveal that ParB have an extended DNA binding domain, composed of two separate DNA binding motifs. We extended our analysis to chromosomal ParB and show that this second centromere binding motif is highly conserved in a wide range of bacteria. Using in vivo and in vitro approaches, we show that the extended partition complex architecture requires both protein-protein and protein-DNA interactions. To investigate the overall organization of the SopB-sopC extended partition complex, we use chromatin immunoprecipitation (ChIP) coupled with high throughput sequencing. This technique allowed us to visualize that SopB is able to extend around sopC over ~20 Kb. Our results are thus inconsistent with previous models suggesting that SopB polymerize side by side in a proteo-nucleofilament emanating from the centromere. So, we propose a new model in which the extended partition complex of F plasmid assembles in a nucleoprotein complex from stochastic binding of SopB on neighboring sopC DNA
Maure, Jean-François. "Les protéines Swi6 et Ssl3 sont nécessaires à la cohésion des chromatides soeurs chez la levure Schizosaccharomyces Pombe." Bordeaux 2, 2003. http://www.theses.fr/2003BOR21072.
Full textWhen cells divide, each daughter cell must receive a complete set of chromosomes. To achieve accurate segregation, the two replicated sister chromatids are held together by a proteinaceous complex called cohesin. To counteract the tension induced by bipolar attachment of the microtubules, the cohesin complex is enriched at centromeres. In S pombe, Swi6 is a constitutive protein of centrometric heterochromatin. I found that Swi6 is required for sister chromatid cohesion at centromeres but not along chromosome arms. Accordingly, Swi6 is required for cohesin enrichment at centromeres but not on chromosome arm sites. This work has demonstrated that heterochromatin is required for cohesion at centromeres. The ss13 gene identified in the laboratory encodes a new protein. I have demonstrated that ss13 is essential for chromosome cohesion. Ss13 acts during S phase for cohesin association with chromatin, presumably upstream cohesion establishment fctors
Sabra, Mirna. "Caractérisation de la réponse à l’instabilité des centromères (iCDR) déclenchée par la protéine ICP0 du Virus Herpès Simplex de type 1 (HSV-1)." Thesis, Lyon 1, 2010. http://www.theses.fr/2010LYO10022.
Full textInfection by Herpes Simplex Virus type 1, a major pathogenic virus in human, has been shown to cause centromere destabilization. The infected cell protein 0 (ICP0) induces centromere destabilization and lead to proteasomal-dependent degradation of the proteins of the centromeres, CENP-A, -B and CENP-C. Recent data, obtained in our laboratory, highlights the interphase Centromere Damage Response (iCDR) phenomena. This phenomena involves centromeric accumulation and redistribution of the Cajal body-associated coilin and fibrillarin as well as the Survival Motor Neuron (SMN) proteins by ICP0 or by other drugs or siRNA targeting several constitutive centromere proteins known to play a major role in centromeres stabilization. Our data shows that SMN reditribution in the destabilized centromere is dependent of : 1) centromeric presence and accumulation of the coilin, 2) its interaction, via the TUDOR domain, with the methylated (Lys K79) histone H3. This methylation occurs in the presence of the Dot-1L enzyme. We hypothesize that these proteins play a critical role in safeguarding centromeric DNA to prevent the cells from apoptosis after Histone degradation. These observations, demonstrate the implication of certain iCDR proteins, more specifically the coilin, in the apoptotic response following a UV stress. In conclusion, these proteins could be part of a safeguard mechanism considered as a centromeric checkpoint
Xhemalce, Blerta. "Rôle de SUMO dans l'(in)stabilité génétique chez S. Pombe." Paris 7, 2006. http://www.theses.fr/2006PA077177.
Full textSumoylation represents a conserved mechanism of post-translational modification resulting in the covalent attachment of the Small Ubiquitin-like Modifier SUMO protein on target proteins. Here, we have used S. Pombe, a monocellular eukaryotic organism providinq powerfull genetic tools as a model system to elucidate the roles of sumoylation in cellullar processes responsible for the maintenance of the stability of the genome. We showed Pli 1p to be a SUMO E3 Ligase of the Siz/PIAS family implicated in three key nuclear fonctions for genetic stability : the centromeres, the telomères and the repair of DMA damage occurring durina the S phase of genome duplication
Books on the topic "Protéine A du centromère"
Chartrand, Kevin. Préparation d'une protéine de fusion GST-BAXa. Sudbury, Ont: Université Laurentienne, 1999.
Find full textJulien, Jennifer. Le clônage de la protéine virale CrmA dans un vecteur d'expression. Sudbury, Ont: Université Laurentienne, 2000.
Find full textG, Hardie D., ed. Protein phosphorylation: A practical approach. Oxford: Oxford University Press, 1993.
Find full textR, Means Anthony, and Conn P. Michael, eds. Cellular regulators. Orlando, Fla: Academic Press, 1987.
Find full textPieribone, Vincent. Aglow in the dark: The revolutionary science of biofluorescence. Cambridge, Mass: Belknap Press of Harvard University Press, 2005.
Find full textGraeme, Milligan, ed. Signal transduction: A practical approach. Oxford: IRL Press, 1992.
Find full textNATO Advanced Study Institute on Cellular Regulation by Protein Phosphorylation (1990 La Londe les Maures, France). Cellular regulation by protein phosphorylation. Berlin: Springer-Verlag, 1991.
Find full textSaluz, H. P. A laboratory guide for in vivo studies of DNA methylation and protein/DNA interactions. Basel: Birkhäuser Verlag, 1990.
Find full textMarialuisa, Melli, and Parente Luca, eds. Cytokines and lipocortins in inflammation and differentiation: Proceedings of the International Conference on Molecular and Cellular Biology of IL-1, TNF, and Lipocortins in Inflammation and Differentiation, held in Siena, Italy, October 22-25, 1989. New York, NY: Wiley-Liss, 1990.
Find full textLa protéine du diable: Roman. Paris: J.C. Lattès, 2001.
Find full textBook chapters on the topic "Protéine A du centromère"
Beaudeux, J. L., and S. Castro. "La protéine S100-β." In Les biomarqueurs en médecine d’urgence, 163–70. Paris: Springer Paris, 2012. http://dx.doi.org/10.1007/978-2-8178-0297-8_21.
Full textDebaty, G. "La protéine C Réactive." In Les biomarqueurs en médecine d’urgence, 63–69. Paris: Springer Paris, 2012. http://dx.doi.org/10.1007/978-2-8178-0297-8_8.
Full textCaquet, René. "Protéine C." In Guide infirmier des examens de laboratoire, 267–68. Elsevier, 2008. http://dx.doi.org/10.1016/b978-2-294-70220-4.50130-2.
Full textCaquet, René. "Protéine S." In Guide infirmier des examens de laboratoire, 270–71. Elsevier, 2008. http://dx.doi.org/10.1016/b978-2-294-70220-4.50132-6.
Full textCaquet, René. "Protéine C anticoagulante." In 250 examens de laboratoire, 301–2. Elsevier, 2010. http://dx.doi.org/10.1016/b978-2-294-71033-9.50169-2.
Full textCaquet, René. "Protéine S anticoagulante." In 250 examens de laboratoire, 304–5. Elsevier, 2010. http://dx.doi.org/10.1016/b978-2-294-71033-9.50171-0.
Full textCaquet, René. "C réactive Protéine (CRP)." In Guide infirmier des examens de laboratoire, 95. Elsevier, 2008. http://dx.doi.org/10.1016/b978-2-294-70220-4.50047-3.
Full textApfelbaum, Marian, and Monique Romon. "Aliments riches en protéine." In Diététique et nutrition, 267–320. Elsevier, 2009. http://dx.doi.org/10.1016/b978-2-294-70566-3.00015-3.
Full textCaquet, René. "C-réactive protéine (CRP)." In 250 examens de laboratoire, 110. Elsevier, 2010. http://dx.doi.org/10.1016/b978-2-294-71033-9.50065-0.
Full text"14. Structure de quelques complexes sucre-protéine cristallisés." In Chimie moléculaire et supramoléculaire des sucres, 225–35. EDP Sciences, 1995. http://dx.doi.org/10.1051/978-2-7598-0267-8.c015.
Full textConference papers on the topic "Protéine A du centromère"
Gossiome, C., F. Rufino, G. Herve, M. Benassarou, P. Goudot, V. Descroix, and G. Lescaille. "Découverte fortuite d’une lésion mandibulaire, un cas de kyste anévrismal." In 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206603020.
Full textLafont, J., J. H. Catherine, M. Lejeune, U. Ordioni, R. Lan, and F. Campana. "Manifestations buccales de la sclérose tubéreuse de Bourneville." In 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206603014.
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