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Academic literature on the topic 'Protozoaire Parasitaire'
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Journal articles on the topic "Protozoaire Parasitaire"
Romestand, B. "Production d'anticorps monoclonaux contre le protozoaire Perkinsus marinus : estimation de la multiplication parasitaire in vitro." Aquatic Living Resources 14, no. 6 (December 2001): 351–57. http://dx.doi.org/10.1016/s0990-7440(01)01140-8.
Full textAlouni, Z. "Flux de la charge parasitaire dans cinq stations d'épuration en Tunisie." Revue des sciences de l'eau 6, no. 4 (April 12, 2005): 453–62. http://dx.doi.org/10.7202/705185ar.
Full textTombi, J., and Charles F. Bilong Bilong. "Répartition des parasites branchiaux du poisson d’eau douce Barbus martorelli Roman, 1971 (Teleostei : Cyprinidae) et tendance à une évolution d’intensité contraire des myxosporidies et des monogènes en fonction de l’âge de l’hôte." Revue d’élevage et de médecine vétérinaire des pays tropicaux 57, no. 1-2 (January 1, 2004): 71. http://dx.doi.org/10.19182/remvt.9909.
Full textKomoin Oka, C., Jakob Zinsstag, V. S. Pandey, F. Fofana, and A. N'Depo. "Epidémiologie des parasites des ovins de la zone Sud forestière de la Côte d'Ivoire." Revue d’élevage et de médecine vétérinaire des pays tropicaux 52, no. 1 (January 1, 1999): 39–46. http://dx.doi.org/10.19182/remvt.9699.
Full textBouhoum, K., O. Amahmid, Kh Habbari, and J. Schwartzbrod. "Devenir des oeufs d'helminthes et des kystes de protozoaires dans un canal a ciel ouvert alimenté par les eaux usées de Marrakech." Revue des sciences de l'eau 10, no. 2 (April 12, 2005): 217–32. http://dx.doi.org/10.7202/705278ar.
Full textLango-Yaya, Ernest, Donatien Clotaire Rafai, Tatiana Ngalema, Freddy Marcelin Agboko, Romaric Lebon Bondom, and Marcellin Namzeka. "Prevalence Des Infections Parasitaires Dues Aux Protozoaires Identifies Au Laboratoire National De Biologie Clinique Et De Sante Publique, Bangui Republique Centrafricaine." European Scientific Journal, ESJ 17, no. 21 (June 30, 2021): 115. http://dx.doi.org/10.19044/esj.2021.v17n21p115.
Full textKomoin Oka, C., Jakob Zinsstag, F. Fofana, A. N'Depo, and V. S. Pandey. "Epidémiologie des nématodes gastro-intestinaux des bovins dans la région centre de la Côte d'Ivoire." Revue d’élevage et de médecine vétérinaire des pays tropicaux 53, no. 3 (March 1, 2000): 257. http://dx.doi.org/10.19182/remvt.9721.
Full textAUMONT, G., R. POUILLOT, R. SIMON, G. HOSTACHE, H. VARO, and N. BARRÉ. "Parasitisme digestif des petits ruminants dans les Antilles françaises." INRAE Productions Animales 10, no. 1 (February 7, 1997): 79–89. http://dx.doi.org/10.20870/productions-animales.1997.10.1.3979.
Full textPinilla, Juan Carlos, and Natalia Da Silva. "Estudio de prevalencia de Cystoisosporosis porcina en Venezuela." Revista Facultad de Ciencias de la Salud UDES 4, no. 2.S1 (June 30, 2017): 26. http://dx.doi.org/10.20320/rfcsudes.v4i2.s1.r13.
Full textPonce Barahona, Oscar Armando, and Héctor Rubén Caballero Castro. "Leishmaniasis cutánea." Acta Pediátrica Hondureña 5, no. 1-2 (December 8, 2015): 365–69. http://dx.doi.org/10.5377/pediatrica.v5i1-2.2258.
Full textDissertations / Theses on the topic "Protozoaire Parasitaire"
Gofti-Laroche, Leila. "Évaluation du risque microbiologique hydrique : validation épidémiologique des fonctions dose-réponse du risque viral et parasitaire : étude EMIRA." Université Joseph Fourier (Grenoble), 2001. http://www.theses.fr/2001GRE18001.
Full textPavlou, Georgios. "Toxoplasma gondii, un champion de course et un redoutable envahisseur. Etude des forces motrices et invasives." Thesis, Université Grenoble Alpes, 2020. http://www.theses.fr/2020GRALV023.
Full textToxoplasma gondii is a cosmopolite obligate intracellular Apicomplexa parasite that infects a wide repertoire of warm-blooded animals and virtually all nucleated cells. About a third of the human population carries the persistent stage of T. gondii, and is known at risk for life-threatening toxoplasmosis in case of immune-dysfunction. The invasiveness of the T. gondii tachyzoite developmental stage is a key determinant for expansion of the parasite population and accounts for the initiation of acute tissue damages associated with the disease. The tachyzoite is a several micrometer size bow-shaped cell that displays a robust polarity and is equipped with a typical apical apparatus made of cytoskeletal arrangements and specific secretory vesicles. With these attributes, the tachyzoite contact the host cell surface with the apical side and enters within a second time-scale into a budding entry vesicle by injecting a protein complex into and beneath the facing plasma membrane. The complex, seen here as an invasive nanodevice, defines a tight zoite-cell interface that bridges both cells through a circular junction. This tight Zoite-Cell Junction (ZCJ) serves therefore as a door of entry but also as an anchor point to withstand the parasite invasive force required to actively enter the host cell. In addition, its tightness acts as a molecular sieve to select for components from the plasma membrane able to flow into the budding entry vesicle.The PhD thesis brings new insights on the forces underlying (i) the peculiar mode of locomotion called helical gliding of free tachyzoite (ii) the host cell invasion event in particular at the end of the process thereby introducing conceptual and experimental biophysics framework. The first part combines high-speed quantitative live microscopy with force microscopy and Reflection Interference Contrast Microscopy and use micropatterning. These quantitative approaches have allowed unveiling the spatiotemporal integration of a unique polar anchoring adhesion and the traction-spring-torque triad forces that set the Toxoplasma thrust force required for high-speed helical gliding.The second part of the PhD relies on the quantitative high speed live imaging and on a set of both parasite and host cell lines engineered to express fluorescent markers of interest, in particular related to the ZCJ element, together with innovative invasion assays designed to monitor in detail the poorly documented pinching off step of the budding entry vesicle. Indeed this membrane fission event promotes the birth of a bona fidae sub-cellular compartment enclosing the tachyzoite, and further remodeled to support parasite growth. These approaches have allowed identifying the peculiar rotation of the tachyzoite along the long axis which imposes a twisting motion on the parasite basal pole and directs closure of the circular invasive device therefore promoting both sealing and release of the entry vesicle. Importantly membrane fission occurs upstream the site of the nanodevice insertion and is independent of the host cell mechanoenzymes dynamins, a protein family primarily involved in pinching off of the endocytic pits and thus in endosome birth. Overall, the work supports the view that the tachyzoite has evolved a multifunction invasive nanodevice, which together with the final torque mimics the fission activity of the dynamins. Finally, monitoring distinct host cell plasma markers and their rapid reorganization upon the tachyzoite twist allowed proposing that the latter could also act as an initial mechanical trigger for the transition to the intracellular lifestyle.In conclusion, this PhD work has succeeded in implementing new biophysics-based concepts and techniques to start unraveling the biomechanics of the T. gondii tachyzoite, in particular in the context of essential behaviors including (i) the navigation on 2D and within 3D substrates and (ii) the host cell invasion process
Delmas, Jean-Claude. "Adaptation parasitaire de paecilomyces fumosoroseus (wize) brown et smith a l'insecte pieris brassicae l. (lep. Pieridae) et consequences hematologiques de l'infection." Paris 7, 1988. http://www.theses.fr/1988PA077048.
Full textFinizio, Anne-Laure. "Analyse du rôle des antigènes parasitaires solubles de Babesia canis dans la pathogénèse de la piroplasmose canine et caractérisation moléculaire de l’antigène Bc28.2 codé par la famille multigénique Bc28." Thesis, Montpellier 1, 2010. http://www.theses.fr/2010MON13516.
Full textBabesia canis is an apicomplexan haemoparasite transmitted by tick bite and responsible of canine babesiosis in Europe. Understanding host/parasite relationships during the erythrocytic cycle is crucial for further development of a recombinant vaccine. In that way, the role of soluble parasite antigens (SPA) in the onset of clinical signs and the role of Bc28.2 antigen (encoded by the B. canis Bc28 multigene family) in host evading process were investigated.B. canis-derived SPA induce a protective anti-disease immunity in vaccinated dogs but their precise role during the pathogenesis remains unknown. In contrast to B. bovis, our analysis disproved the hypothesis that B. canis SPA could act on the plasma kallikrein-kinin system. However they strongly suggest, for the first time in the genus Babesia, a direct role of these SPA in the onset of the inflammatory response which is early observed during pathogenesis. Because of their essential function in the parasite survival, antigens located on the surface of infected erythrocyte (role in agglutination of erythrocytes) or on the surface of merozoites (role in the invasion) are good vaccine candidates.However, and probably for host evading, they are encoded by multigene families. In B. canis, the Bc28 multigene family contains the Bc28.1 gene that encodes for a GPI-anchored antigen previously characterized on the merozoite surface. We demonstrated here, that another gene designated Bc28.2, is multicopy and composed of two overlapping open reading frames (Orf1 and Orf2). It allows, though +1 programmed ribosomal frameshift, expression of polymorphic antigens of 28 kDa and 50 kDa. Unexpectedly, these proteins seem localized on the surface of parasitized erythrocytes, suggesting they play a crucial function in evading host through agglutination process of infected erythrocytes