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Artykuły w czasopismach na temat "Protéine de transport membranaire"
Cartron, Jean-Pierre. "Protéines de la famille Rh et transport membranaire du gaz NH3". médecine/sciences 21, nr 4 (kwiecień 2005): 344–46. http://dx.doi.org/10.1051/medsci/2005214344.
Pełny tekst źródłaPauloin, A. "Bréfeldine A, protéines-G et transports membranaires golgiens." médecine/sciences 9, nr 8-9 (1993): 917. http://dx.doi.org/10.4267/10608/3012.
Pełny tekst źródłaGalzin, AM, D. Graham i SZ Langer. "Systèmes de transport de la sérotonine et antidépresseurs". Psychiatry and Psychobiology 5, nr 3 (1990): 201–7. http://dx.doi.org/10.1017/s0767399x00003503.
Pełny tekst źródłaDeschenes, G. "Un nouveau gène codant pourune protéine membranaire responsable de la cystinose". Archives de Pédiatrie 5, nr 8 (sierpień 1998): 886. http://dx.doi.org/10.1016/s0929-693x(98)80134-6.
Pełny tekst źródłaBerthelot, A. "Gradients ioniques et transport membranaire". médecine/sciences 1, nr 1 (1985): 49. http://dx.doi.org/10.4267/10608/3295.
Pełny tekst źródłaBensussan, A., i L. Boumsell. "Identification d'une nouvelle protéine membranaire caractéristique des lymphocytes cytotoxiques humains in vivo". médecine/sciences 9, nr 12 (1993): 1419. http://dx.doi.org/10.4267/10608/2874.
Pełny tekst źródłaCosson, P., i F. Letourneur. "Transport et triage membranaire dans les cellules eucaryotes." médecine/sciences 16, nr 5 (2000): 635. http://dx.doi.org/10.4267/10608/1707.
Pełny tekst źródłaBorensztein, P. "Du nouveau dans le transport membranaire du fer." médecine/sciences 16, nr 6-7 (2000): 833. http://dx.doi.org/10.4267/10608/1740.
Pełny tekst źródłaDrin, Guillaume, Joëlle Bigay i Bruno Antonny. "Régulation du transport vésiculaire par la courbure membranaire". médecine/sciences 25, nr 5 (maj 2009): 483–88. http://dx.doi.org/10.1051/medsci/2009255483.
Pełny tekst źródłaMOUDJOU, M., E. SABUNCU, D. VILETTE, A. LEDUR i H. LAUDE. "Approche immunochimique de la structure de la protéine cellulaire PrPc ovine. Caractérisation d’anticorps discriminant les glycoformes et les allèles de la protéine Prion chez le mouton". INRAE Productions Animales 17, HS (20.12.2004): 51–53. http://dx.doi.org/10.20870/productions-animales.2004.17.hs.3627.
Pełny tekst źródłaRozprawy doktorskie na temat "Protéine de transport membranaire"
Boulaflous, Aurélia. "Transport et rétention d’une protéine membranaire de type II dans le réticulum endoplasmique d’une cellule végétale". Rouen, 2007. http://www.theses.fr/2007ROUES019.
Pełny tekst źródłaIn all eukaryotic cells, the secreted proteins undergo many co- and post-translational modifications along the secretory pathway. These modifications, among whom Nglycosylation, are required for biological activity of proteins. The maturation of the N-glycans is initiated by the Arabidopsis thaliana -glucosidase I (AtGCSI). During this thesis, after AtGCSI identification and biochemical characterisation, we studied its localisation in plantcell. AtGCSI is a type II membrane glycoprotein that cleaves the distal 1,2-glucose of the asparagines linked GlcNAc2-Man9-Glc3 precursor and it is exclusively located to the endoplasmic reticulum (ER). In parallel, localization studies of other N-glycan processing enzymes showed that all type II membrane proteins are located in the secretory pathway according to the order of their expected function. Then, in this study we demonstrated moreprecisely that two signals confer an ER localization of AtGCSI: the di-Arg signals, located to the cytosolic tail and the 60 amino acids of luminal domain. These signals are necessary and sufficient to retain truncated membrane proteins in the ER. At the same time, microdomains distinct but close to the ER and the Golgi are observed. Regarding these results, a theoretical model to explain ER residency of AtGCSI in plant cell was proposed
Paik, Su-Jin. "Couplages entre un transporteur membranaire de type ABC, BmrA et son environnement membranaire". Electronic Thesis or Diss., Paris Sciences et Lettres (ComUE), 2018. http://www.theses.fr/2018PSLET010.
Pełny tekst źródłaABCs (ATP binding cassettes) transporters constitute a large family of transmembrane proteins present in all organisms. ABC transporters hydrolyze ATP to translocate an immense quantity of amphiphilic substrates, such as lipids, steroids, peptides... Some ABCs confer a multiresistance cellular phenotype to drugs from bacteria against antibiotics to humans against anticancer agents, antivirals...A fundamental question for understanding drug transport at the molecular level is how the properties of membranes modulate the function and spatial temporal organization of ABCs. We studied in detail these coupling with BmrA, a bacterial ABC of B. subtillis using different in vitro membrane systems and different biochemical and membrane biophysical approaches. Firstly, after expression and purification of proteins in detergent, we characterized the hydrolysis of ATP of BmrA according to its membrane environment, solubilized in detergent micelles and in mixed lipid/detergent micelles. Proteoliposomes were characterized according to protein orientation, incorporation rate, size and lamellarity. This allowed us to modulate in a controlled manner lipid composition, protein density and conformation and membrane curvature to quantitatively determine the respective contributions of these membrane parameters. Thus, we show that ATP hydrolysis is sensitive to lipid specificity when the protein is embedded in a bilayer. This lipid specificity is provided by negative lipids and phosphatidylethanolamine type lipids that synergistically stimulate hydrolytic activity. However, ATP hydrolysis was decreased in high positive membrane curvature. Secondly, we determined the conditions of reconstitution of BmrA in Giant Unilamellar Vesicles, which then allowed our collaborator to study the respective roles of membrane curvature and tension in the spatial organization of BmrA. Nanotube pulling experiments performed in collaboration show that BmrA has a strong preference for highly curved membrane regions leading to protein cluster formation and that this preference varies according to the catalytic state of the protein. Finally, we developed a method to study the dynamics of NBDs by Förster resonance energy transfer at the single molecule level in reconstituted system via fluorescence cross-correlation spectroscopy.The data set suggest that spatial organizations of ABC transporters in bacterial and eukaryotic cells are different with the possibility of sorting during membrane remodeling of eukaryotic membranes in areas of strong membrane curvatures but without significant change in function
Marchetti, Gino. "Modélisation moléculaire du phénomène du transport du calcium dans la protéine ATPase-Ca2+ (SERCA1a) : une première étude". Paris 6, 2006. http://www.theses.fr/2006PA066382.
Pełny tekst źródłaWoźnicka-Misăilă, Aleksandra. "An investigation and characterization of different ADP/ATP Carrier homologs". Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAV011/document.
Pełny tekst źródłaThe main objective of this PhD project was to gain new structural data on the mitochondrial ADP/ATP carriers and develop tools for micro- and nano-crystallography approaches applied to membrane protein structural biology.The main role of the ADP/ATP carrier (AAC) is to import and export ADP3- and ATP4- respectively between the intermembrane space and the matrix through the inner mitochondrial membrane. AAC is the best characterized among all mitochondrial carriers. Much has been done to investigate its function and structure. However, since structural data are only available for one conformation of the protein some fundamental questions about the different conformational states adopted during the transport process still need to be answered.In this thesis we considered 4 human AAC homologs as a main target. They are involved in different genetic diseases but play also a role in cancerogenesis. This thesis describes and compares in detail the functional and structural characterization of the human AAC isoforms. It was an essential step to give insight into their native properties and is a precious starting point for the drug development field.Since the structural biology field is rapidly developing especially in serial crystallography techniques, there are more and more new applications for samples preparation, mounting and measurements in order to improve the quality of the data collected at the synchrotrons. Hence, our second objective was to use different membrane protein samples to develop new crystal-friendly crystallization set up combined with different sample environment on the beamline toward faster, more efficient and simpler data collection
Samson, Michel. "Le transport membranaire des hormones thyroïdiennes : caractérisation, identification et purification partielle des protéines de transport de l'érythracyte". Paris 11, 1993. http://www.theses.fr/1993PA11T035.
Pełny tekst źródłaPanwar, Pankaj. "Relations structure-fonction des transporteurs nucléotides". Phd thesis, Université de Grenoble, 2012. http://tel.archives-ouvertes.fr/tel-00684264.
Pełny tekst źródłaBodon, Gilles. "Impact de la protéine CHMP2B et de ses variants pathogènes sur le modelage des membranes biologiques". Phd thesis, Grenoble, 2010. http://www.theses.fr/2010GRENV062.
Pełny tekst źródłaThis work focused on CHMP2B, an ESCRT-III complex subunit. This protein complex is involved in several membrane fission processes with an inversed topology (virus budding, multivesicular body genesis, cytokisesis, autophagy). Mutations in the gene coding for CHMP2B have been linked to neurodegenerative diseases such as fronto temporal demencia (FTD) and Spinal Lateral Amyotrophy (SLA). This work consisted in understanding molecular mechanisms of CHMP2B's action in order to better understand it' s links with these pathologies. The project was organized around three research axis: - The potential involvement of CHMP2B in the mitochondrial dynamics. - The role of CHMP2B and the impact of the FTD linked mutations on the morphology and the physiology of dendritic spines. - The study of helical CHMP2B containing complexes that deform the plasma membrane into tubular structures. Our experiments led us to the following observations: Extinction of CHMP2B inhibits mitochondrial fission by an unknown mechanism. The FTD linked CHMP2B mutants disrupt the normal pattern of spine development. This alteration could participate to the progressive appearance of FTD. CHMP2B is thought to be involved in the remodeling of cytoplasmic organelles such as late endosomes, autophagosomes, centrosome. . . Our work demonstrate that the protein is manly recruited at the plasma membrane where it assembles in rigid tubular structure that can deform the lipid bilayer
Azouaoui, Hassina. "Étude structurale et fonctionnelle d’un transporteur de lipides « une flippase » de la levure S. cerevisiae : l’ATPase P4 Drs2p et sa sous unité-associée Cdc50p". Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLS224/document.
Pełny tekst źródłaMaintenance of phospholipid asymmetry in eukaryotic cell membranes is essential for cellular integrity and function. P4-ATPases, from the P-type ATPases family, are energy-dependent transporters, together with their CDC50 accessory subunits couple ATP hydrolysis to lipid transport from the exoplasmic to cytoplasmic leaflet to maintain membrane asymmetry.Drs2p is one of these P4-ATPases in the yeast Saccharomyces cerevisiae. Drs2p is localised in trans-Golgi (TGN) membranes in association with its binding partner Cdc50p, which contributes to the correct addressing of Drs2p and probably in the catalyzed transport by Drs2p. Drs2p transport principally phosphatidylserine (PS) in TGN membranes. The PS is important for a several signalling pathways, for example, in apoptosis and recruitment of the proteins implied in various essential cellular process, so, it's very important to understand the mechanism that establishes this asymmetry.To gain in comprehension of molecular mechanism of lipid transport, robust protocols for expression and purification are required. In this work, we present a procedure for high-yield co-expression of Drs2p and Cdc50p. The purification of Drs2p and Cdc50p is achieved in a single step by affinity chromatography on streptavidin beads, yielding, 1-2 mg purified Drs2p/Cdc50p per liter of culture. This procedure allows purification of the complex Drs2p/Cdc50p with stoichiometry to 1:1. Our complex is functional, overal ATP hydrolysis by the complex is dependent of PS, favourite substrate of Drs2p. This hydrolyze is critically dependent on the presence of PI4P, a phosphoinositide involved in regulation of membrane trafficking.Like many P-type ATPases auto-regulate their activity, we examined the possibility that P4-ATPases are auto-regulated. In this work, we use directed mutagenesis and limited proteolysis associated with mass spectrometry for identify peptides. We show that limited proteolysis of a purified complex Drs2p/Cdc50p resulted in up to a 30-50 fold increase of it ATPase activity, which however remained dependent on PI4P. Using thrombin as the protease, Cdc50p remained intact and in complex with Drs2p, which was cleaved at two positions, namely after R104 and after R1290. Our results therefore reveal that trimming off appropriate regions of the terminal extensions of Drs2p can increase its ATPase activity in the presence of PI4P by an enormous factor, thereby identifying a role of N and/or C-terminal extensions in auto-inhibition of Drs2p.Our results open perspectives on the structural and the functional characterization of the lipid transport mechanism by the complex Drs2p/Cdc50p. Furthermore, our procedures open up the possibility of studying the molecular bases of the pathologies associated with the mutations of human P4-ATPases
Richer-Potier, Carole. "Identification de signaux impliqués dans la rétention d'une protéine membranaire de type I : la calnexine, dans le réticulum endoplasmique (RE) de la cellule végétale". Rouen, 2000. http://www.theses.fr/2000ROUES054.
Pełny tekst źródłaMorello, Vincent. "Hélices amphipathiques et transport vésiculaire". Phd thesis, Université de Nice Sophia-Antipolis, 2009. http://tel.archives-ouvertes.fr/tel-00496960.
Pełny tekst źródłaKsiążki na temat "Protéine de transport membranaire"
Byrne, John H. Transport membranaire et bioélectricité. Paris: De Boeck Université, 1997.
Znajdź pełny tekst źródłaBernard, Rossignol, red. Biochimie et biophysique des membranes: Aspects structuraux et fonctionnels. Wyd. 2. Paris: Dunod, 2004.
Znajdź pełny tekst źródłaShechter, Emanuel. Biochimie et biophysique des membranes: Aspects structuraux et fonctionnels. Wyd. 2. Paris: Masson, 1997.
Znajdź pełny tekst źródłaNorbert, Latruffe, Federation of European Biochemical Societies. i Centre national de la recherche scientifique (France), red. Dynamics of membrane proteins and cellular energetics. Berlin: Springer-Verlag, 1988.
Znajdź pełny tekst źródłaCold Spring Harbor Symposia on Quantitative Biology: Protein Kinesis : The Dynamics of Protein Trafficking and Stability (Cold Spring Harbor Symposia on Quantitative Biology). Cold Spring Harbor Laboratory Press, 1996.
Znajdź pełny tekst źródłaPumps, channels, and transporters: Methods of functional analysis. Hoboken, New Jersey: John Wiley & Sons, Inc., 2015.
Znajdź pełny tekst źródłaClarke, Ronald J., i Mohammed A. A. Khalid. Pumps, Channels and Transporters: Methods of Functional Analysis. Wiley & Sons, Incorporated, John, 2015.
Znajdź pełny tekst źródłaPumps, Channels and Transporters: Methods of Functional Analysis. Wiley & Sons, Incorporated, John, 2015.
Znajdź pełny tekst źródłaThe Band 3 proteins: Anion transporters, binding proteins, and senescent antigens. Amsterdam: Elsevier, 1992.
Znajdź pełny tekst źródłaPassow, Hermann, i Ernst Bamberg. The Band 3 Proteins: Anion Transporters, Binding Proteins, and Senescent Antigenes (Progress in Cell Research). Elsevier Publishing Company, 1992.
Znajdź pełny tekst źródła