Auswahl der wissenschaftlichen Literatur zum Thema „Trafic de vésicules membranaires“
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Zeitschriftenartikel zum Thema "Trafic de vésicules membranaires"
Blandin, Alexia, und Soazig Le Lay. „Vésicules extracellulaires et maladies métaboliques“. médecine/sciences 37, Nr. 12 (Dezember 2021): 1125–32. http://dx.doi.org/10.1051/medsci/2021209.
Der volle Inhalt der QuelleLotteau, V. „Des récepteurs membranaires définissent la spécificité du transport des vésicules.“ médecine/sciences 9, Nr. 6-7 (1993): 802. http://dx.doi.org/10.4267/10608/2996.
Der volle Inhalt der QuelleBéliveau, R. „Vésicules membranaires purifiées : un outil d'étude de la réabsorption rénale“. médecine/sciences 3, Nr. 10 (1987): 589. http://dx.doi.org/10.4267/10608/3611.
Der volle Inhalt der QuelleGhossoub, Rania, Raphael Leblanc, Guido David und Pascale Zimmermann. „Tétraspanines et syndécanes“. médecine/sciences 37, Nr. 12 (Dezember 2021): 1101–7. http://dx.doi.org/10.1051/medsci/2021202.
Der volle Inhalt der QuelleDenus, Morgane, William Fargues, Aurore Filaquier, Éloïse Néel, Philippe Marin, Marie-Laure Parmentier und Julien Villeneuve. „Sécrétion non conventionnelle“. médecine/sciences 40, Nr. 3 (März 2024): 267–74. http://dx.doi.org/10.1051/medsci/2024013.
Der volle Inhalt der QuellePodbilewicz, Benjamin. „Membrane fusion as a morphogenetic force in nematode development“. Nematology 2, Nr. 1 (2000): 99–111. http://dx.doi.org/10.1163/156854100508818.
Der volle Inhalt der QuelleIsmail, Sadek, Véronique Gigoux und Daniel Fourmy. „Signalisation endosomale du récepteur du peptide insulinotrope dépendant du glucose (GIP)“. Biologie Aujourd'hui 212, Nr. 1-2 (2018): 13–19. http://dx.doi.org/10.1051/jbio/2018018.
Der volle Inhalt der QuelleDissertationen zum Thema "Trafic de vésicules membranaires"
Huang, Xiao Hang. „Etude du trafic membranaire chez les algues marines : les vesicules mantelees de laminaria digitata et ulva lactuca“. Paris 5, 1988. http://www.theses.fr/1988PA05S006.
Der volle Inhalt der QuelleAl-Qatabi, Noha. „Caractérisation de protéines atypiques à domaine BAR codées par Toxoplasma gondii“. Electronic Thesis or Diss., Université Côte d'Azur, 2024. http://www.theses.fr/2024COAZ6006.
Der volle Inhalt der QuelleToxoplasma gondii, the causative agent of toxoplasmosis, infects and replicates within host cells through its ability to secrete factors stored in unique secretory organelles (rhoptries, micronemes, dense granules). These factors allow the parasite to modulate the host's immune system and capture certain elements. The formation of these unique organelles and the secretion and capture processes depend on trafficking events whose molecular bases remain poorly understood. Notably, there is virtually no characterization of BAR domain proteins, expressed in T. gondii and other apicomplexans, despite their known role in vesicular trafficking in other eukaryotes. Here, by combining structural analyses with in vitro tests and cellular observations, I characterized TgREMIND (REgulators of Membrane INter-acting Do-mains), a protein involved in the generation of rhoptries and dense granules, as well as TgBAR2, located at the periphery of the parasite. I established that TgREMIND has an F-BAR domain to preferentially target neutral membranes and potentially disrupt them. Additionally, I show that the protein has a new type of structural domain called REMIND, which appears capable of inhibiting TgREMIND activity. In parallel, I show that TgBAR2 contains a BAR domain with the most basic membrane-binding interface described for this type of domain, capable of powerfully deforming anionic membranes to form micellar tubules. This suggests that this domain represents a new type of BAR domain. My data indicate that T. gondii encodes two atypical BAR domain proteins with highly contrasting membrane binding properties to target distinct regions of its vesicular trafficking system
Borghi, Nicolas. „Nanotubes membranaires : extrusion hydrodynamique“. Paris 6, 2006. http://www.theses.fr/2006PA066556.
Der volle Inhalt der QuelleKremer, Sébastien. „Extrusion de nanotubes membranaires : de la vésicule à la cellule vivante“. Paris 6, 2009. http://www.theses.fr/2009PA066066.
Der volle Inhalt der QuelleLevy, Aurore. „Palmitoylation et trafic des protéines neuronales apparentées à la stathmine“. Paris 6, 2010. http://www.theses.fr/2010PA066300.
Der volle Inhalt der QuelleGaudin, Marie. „Etude des vésicules membranaires produites par les Archées hyperthermophiles marines de l'ordre des Thermococcales“. Phd thesis, Université Paris Sud - Paris XI, 2012. http://tel.archives-ouvertes.fr/tel-00716699.
Der volle Inhalt der QuelleGaudin, Marie. „Etude des vésicules membranaires produites par les Archées hyperthermophiles marines de l’ordre des Thermococcales“. Thesis, Paris 11, 2012. http://www.theses.fr/2012PA112093/document.
Der volle Inhalt der QuelleSecretion of membrane vesicles (MVs) is an important physiological process that has been extensively studied in Bacteria and Eukarya. The recent discovery that Archaea produce MVs shows that this process is universal and suggests that the Last Universal Common Ancestor, LUCA, certainly produced MVs. As these archaeal MVs have been only studied in some Crenarchaeota (ex: G/ Sulfolobus), we started characterizing MVs produced by Thermococcales, a group of hyperthermophilic anaerobic Euryarchaeota.In the first part of this study we examined the mechanism of production as well as the protein and lipid composition of MVs produced by three strains of Thermococcales: Thermococcus kodakaraensis, Thermococcus gammatolerans and Thermocococus sp. 5-4. We observed that MVs are released by a budding process from the cell envelope that is similar to ectosome formation in eukaryotic cells. Moreover, clusters of MVs often form filamentous structures and protuberances on cell surfaces, resembling recently described bacterial nanopods. Differences in structure are observable between MVs of the three species, as well as in their protein composition. However, MVs and cell membranes from the same species have a quite similar protein and lipid composition, confirming that MVs are produced from cell membranes. A major protein present in cell membranes and MVs from the three strains is the oligopeptide-binding proteins (OppA), which has homologues in MVs from Sulfolobus species. Thermococcales MVs harbor DNA and protect this DNA against thermodegradation. Here, we show that T. kodakaraensis cells transformed with the shuttle plasmid pLC70 release MVs harboring this plasmid. Interestingly, these MVs can be used to transfer pLC70 into plasmid-free cells, suggesting that MVs could be involved in DNA transfer between cells at high temperature. In the second part of this study, we were specially interested in the strain Thermococcus nautilus, a Thermococcale that produces MVs selectively enriched in two plasmids from the cell. Notably, one of them corresponds to the genome of a defective virus from PRD1-adenovirus lineage. This indicates that MVs can be used as vehicles for the transport of viral genomes and suggests that production of MVs by ancestral cells could have played a role in the origin of viruses.In addition to be involved in transport of plasmids/viruses, MVs from T. nautilus display a toxic effect on some strains of Thermococcales, maybe due to the delivery of toxins. Even if these “thermococcins” remain to be characterized, this is the first time that a toxic activity associated with MVs has been shown in Thermococcales
Payet, Laurie-Anne. „Effets des acides gras saturés sur la voie de sécrétion. Relation avec la mucoviscidose“. Thesis, Poitiers, 2013. http://www.theses.fr/2013POIT2299/document.
Der volle Inhalt der QuelleSaturated fatty acids (SFA) have been reported to alter organelle integrity in many cell types. This process, also known as lipotoxicity, has been proposed to be responsible for several human pathologies such as type 2 diabetes.At the cellular level, SFA accumulation is associated with an increase of the saturation rate of membrane phospholipids (PL), the major components of organelle membranes, and an increase of ceramides levels, implicated in apoptosis induction.In the first part of this work, we took advantage of a simple yeast-based model to study the relative contributions of saturated PL and ceramides to SFA cytotoxicity. We demonstrated that ceramides act early in the secretory pathway, while saturated PL impact the later steps, and particularly the formation of secretory vesicles.In parallel, we observed that SFA amounts were significantly increased in the membrane PL of cystic fibrosis (CF) patient cells. The most common mutation responsible for this genetic disease results in the retention of the corresponding protein in the endoplasmic reticulum. Pharmacological agents, which correct the mistrafficking of the protein, have been isolated in vitro, but they did not show significant improvements in clinical trials. We propose in the present manuscript, that SFA-related lipointoxication could be an important bottleneck for the use of these pharmacological agents in clinical trials
Cailler, Françoise. „Étude du trafic intracellulaire de protéines membranaires de la famille de la néprilysine“. Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ47601.pdf.
Der volle Inhalt der QuelleCAILLER, FRANCOISE. „Etude du trafic intracellulaire de proteines membranaires de la famille de la neprilysine“. Toulouse, INSA, 1999. http://www.theses.fr/1999ISAT0028.
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