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Auswahl der wissenschaftlichen Literatur zum Thema „Reconnaissance microbienne“
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Zeitschriftenartikel zum Thema "Reconnaissance microbienne"
Fantini, Bernardino. „La révolution pastorienne et les théories sur l'étiologie du goitre et du crétinisme“. Gesnerus 49, Nr. 1 (27.11.1992): 21–38. http://dx.doi.org/10.1163/22977953-04901004.
Der volle Inhalt der QuelleOffobo S., Ngakani, Sima Cedric, Diallo Kadidiatou, Socaras Poduermo und Ondo Ndong J.F. „GANGRENE DE FOURNIER : ASPECT EPIDEMIOLOGIQUE A PROPOS DE 12 CAS AU CENTRE HOSPITALIER REGIONAL AMISSA BONGO DE FRANCEVILLE ET REVUE DE LA LITTERATURE“. International Journal of Advanced Research 9, Nr. 09 (30.09.2021): 596–600. http://dx.doi.org/10.21474/ijar01/13456.
Der volle Inhalt der QuelleGall, J. C. „Le role biosedimentaire des voiles microbiens; criteres de reconnaissance“. Bulletin de la Société Géologique de France VI, Nr. 1 (01.01.1990): 75–82. http://dx.doi.org/10.2113/gssgfbull.vi.1.75.
Der volle Inhalt der QuelleBidet, Alexandra. „Lyme et le déni de certitude“. Multitudes 93, Nr. 4 (14.12.2023): 116–20. http://dx.doi.org/10.3917/mult.093.0116.
Der volle Inhalt der QuelleDissertationen zum Thema "Reconnaissance microbienne"
Rosselin, Manon. „Identification et rôle des mécanismes d'invasion cellulaire indépendants du T3SS-1 chez Salmonella Enteritidis“. Thesis, Tours, 2011. http://www.theses.fr/2011TOUR4004/document.
Der volle Inhalt der QuelleThe main invasion system of Salmonella requires a type III secretion system (T3SS-1) which promotes a Trigger entry mechanism. However, other invasins were described in Salmonella but their roles in virulence remain unclear. We have shown that Salmonella Enteritidis caninvade cells via the Rck outer membrane protein and we have demonstrated by different approaches that Rck mediates a Zipper entry process. Characterisation of the cellular transduction pathway induced by Rck enable us to propose a model of internalisation involving actin, Arp2/3, Rac and Cdc42, Akt, class I PI3K and Src. Finally, the invasion ability of a S. Enteritidis mutant grown under culture conditions that did not allow the expression of any identified invasion factors (T3SS-1, Rck and PagN) provides evidences for still non-characterised Salmonella invasion factors which seem to induce both Zipper and Trigger mechanisms. Overall, our data indicate that Salmonella is the first bacterium found tobe able to invade cells by both a Trigger mechanism at least mediated by the T3SS-1 and a Zipper entry process at least mediated by Rck. Study of the T3SS-1-independent invasion systems could bring to a better understanding of Salmonella pathogenicity, particularly in regard to the different diseases induced by Salmonella and to its great diversity of hosts
Ferre, Elisée. „Biotransformation de composés alleniques : reconnaissance de leur chiralité axiale par des enzymes microbiennes“. Université Paul Cézanne (Aix-Marseille). Faculté des sciences et techniques de Saint-Jérôme, 1986. http://www.theses.fr/1986AIX30003.
Der volle Inhalt der QuelleFerre, Elisée. „Biotransformation de composés alléniques, reconnaissance de leur chiralité axiale par des enzymes microbiennes“. Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb37597586p.
Der volle Inhalt der QuelleMarseille, Fabienne. „Evolution des polysaccharides, des lipides et de la lignine dans les litières et les sols de trois écosystèmes montagnards du Mont Lozère : reconnaissance des phytohéritages et des néoformatios microbiennes“. Aix-Marseille 3, 1996. http://www.theses.fr/1996AIX30039.
Der volle Inhalt der QuelleDevulder, Justine. „Régulation de la réaction asthmatique par des agents microbiens : quelle place pour les cellules natural killer ?“ Thesis, Lille 2, 2019. http://www.theses.fr/2019LIL2S005/document.
Der volle Inhalt der QuelleAsthma is a chronic inflammatory disease of the airways affecting 334 million of people worldwide. Among asthma patients, 5% suffers from severe asthma. Severe asthma represents a major unmet need because, despite heavy treatments, patients still suffer from uncontrolled asthma symptoms, frequent exacerbations and a dramatic decrease in their respiratory capacity. The role of microorganisms in asthma is complex. On one hand, a group of epidemiologic and experimental studies have shown that chronic exposure with bacteria or microbial compounds, particularly during early childhood, would provide protection against allergic asthma. On the other hand, respiratory viruses are responsible for 80% of exacerbations and are associated with an increasing risk of developing asthma in children, whether allergic or not. Natural Killer cells (NK) are lymphocytes involved in innate antiviral immunity. They have cytotoxic functions by lysing different types of cells but also regulatory functions by producing cytokines and activating other immune cells. Their role in asthma and its exacerbations has yet to be identified, although phenotypic changes have been observed in asthmatic patients and it has recently been shown in a mouse model that they are not involved in the development of allergic asthma. The objective of the thesis was to better understand the role of NK cells in asthmatic pathology by focusing on two aspects : virus-induced exacerbation and inhibition by microbial compounds.The hypothesis for the first part was that NK cells from asthma patients may present a dysfunction in their response to microbial agents that could promote the exacerbation of the asthmatic reaction. To do this, we analysed NK cell activation, cytotoxicity and production of cytokines from severe asthmatic patients stimulated with molecules mimicking microbes or a human rhinovirus (HRV), compared to healthy donors. We showed that NK cells from severe asthma patients were less cytotoxic than NK cells from healthy donors in response to stimulation with a Toll-like Receptor 3 or TLR7/8 agonist and HRV. Moreover, when stimulated with IL-12 and IL-15, cytokines produced during viral infections, NK cells from severe asthma patient express less IFN-γ than NK cells from healthy donors. Our results suggest that the activation of NK cells in asthma patients may be insufficient during respiratory infections and may contribute to the worsening of asthma.The hypothesis for the second part was that NK cells may participate to the inhibition of a mouse model of allergic asthma. In C57BL/6 mice sensitized with ovalbumin, instillation of FSL1, agonist of TLR2/6, inhibits the features of experimental asthma. Since this inhibition is associated with changes in the population of NK cells, we analysed their role using mice deficient in NK cells. In the absence of NK cells, mice develop allergic asthma, and inhibition by FSL1 is maintained. Therefore, NK cells do not play a role in the development of experimental allergic asthma or in its inhibition induced by a microbial agent. However, they may be modified by the allergic environment, and thus have a role in viro-induced exacerbations. This crucial question is in line with the work done in the first part of the thesis.In conclusion, our results suggest that the functions of NK cells may be modified in asthmatic pathology, whether allergic or not. Our hypothesis is that the defect in NK cell activation may participate to virus-induced asthma exacerbations. Perspectives of this work are to further characterize NK cells in severe asthma patients and to evaluate the role of NK cells in a mouse model of asthma exacerbation
Kyrgyzova, Khrystyna. „Stéréophotométrie non-calibrée de surfaces non-Lambertiennes. Application à la reconstruction de surface de colonies microbiennes“. Phd thesis, Université Paris Sud - Paris XI, 2014. http://tel.archives-ouvertes.fr/tel-01063285.
Der volle Inhalt der QuelleMouhadjer, Hassan. „Étude et réalisation d'un système automatique d'identification et de comptage de colonies cancéreuses dans des boîtes de Petri“. Nancy 1, 1990. http://www.theses.fr/1990NAN10533.
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