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Auswahl der wissenschaftlichen Literatur zum Thema „Tag résistant“
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Zeitschriftenartikel zum Thema "Tag résistant"
Cléry-Melin, P. „Spécificités des troubles anxieux avec l’avancée en âge“. European Psychiatry 30, S2 (November 2015): S53—S54. http://dx.doi.org/10.1016/j.eurpsy.2015.09.151.
Der volle Inhalt der QuelleAilane, Sofiane. „Hip-hop“. Anthropen, 2016. http://dx.doi.org/10.17184/eac.anthropen.014.
Der volle Inhalt der QuelleDissertationen zum Thema "Tag résistant"
Jebbawi, Khodor. „Etude et réalisation d'un système embarqué UHF appliqué à la récupération de statistiques chez le sportif amateur“. Electronic Thesis or Diss., Aix-Marseille, 2020. http://theses.univ-amu.fr.lama.univ-amu.fr/200917_JEBBAWI_711xpp867owr742fklcav366xhj_TH.pdf.
Der volle Inhalt der QuelleThis thesis was funded by the ANRT. The main goal is to design a specific antennas for connected objects. The final application is dedicated for the sport, in order to collect the performance of an amateur football player by using a connected ball and a connected strap. This device is based on the passive RFID. The system is composite of: a wearable antenna placed on the ankle, able to communicate with RFID tags inserted inside the ball. At the end of the match, the statistics collected by the sensors are sent by using BLE connection to a totem in order to display them. Two main objectives are targeted in this thesis: the first one is designing a broadband and multistandard antennas for readers, able to minimize the influence of the human body without sacrificing reading distance, the second objective is designing a resistant antennas for RFID tags
Doucoure, Hinda. „Création de résistance à large spectre contre la bactériose foliaire du riz au Mali“. Thesis, Montpellier, 2017. http://www.theses.fr/2017MONTT100.
Der volle Inhalt der QuelleXanthomonas oryzae pv. oryzae (Xoo), the causal agent of bacterial leaf blight of rice (BLB), injects DNA binding proteins called Transcription Activator-Like Effectors (TALEs) into host cells to manipulate plant genes expression. Some TALEs behave as major virulence factors essential for BLB to occur by binding directly to target DNA boxes of rice susceptibility genes and inducing their expression. Xoo major TALEs universally target susceptibility genes of the SWEET family. In nature, polymorphism in the DNA sequence of SWEET genes recognized by TALEs confers resistance to BLB. Using the TALEN technology, this type of mutations has been artificially introduced in the promoter of the SWEET14 susceptibility gene to make it TALE-unresponsive and confer resistance to some Asian Xoo. The characterizations of Malian Xoo populations show that they are distinct from the Asian ones. The PhD project aimed to create broad tailored BLB resistance against Malian Xoo using genome editing technologies.First, editing SWEET14 DNA boxes targeted by major TALEs of African strains indeed yielded resistance against strains relying on TalF (initially named Tal5) but not against those relying on TalC. The characterization of Malian strains TALE repertoires using functional (edited lines susceptibility assays, SWEET14 and other TALE target expression studies) and in silico (genome sequencing of 8 strains) approaches uncovered functional diversity in these repertoires and, the almost systematic, simultaneous presence of active and redundant versions of TalF and TalC. In susceptibility assays of local rice varieties, Malian Xoo strains exhibited a broad virulence spectrum and, with one exception, all tested varieties were susceptible to BLB. Multiplex editing of TalF and TalC target boxes with the CRISPR/Cas9 technology abolished SWEET14 induction in response to a Malian strain. However the corresponding rice lines remained susceptible to this strain. Finally, to explain these results, we postulated the existence of, at least, a TalC target susceptibility gene redundant with SWEET14. Bioinformatics analysis identified a rice locus with several features electing it as a high priority candidate. This locus named ATAC (Alternative TalC Target) is composed of two genes, ATAC1 and ATAC2, bidirectionally upregulated by TalC. We further showed that ATAC2 which is predicted to code for an atypical bHLH transcription factor potentially involved in rice cell elongation and immunity, behaves as a susceptibility gene upon artificial TALEs-mediated induction in a gain of function assay. We used the CRISPR/Cas9 system to simultaneously edit the SWEET14 promoter and the ATAC locus. These mutations should prevent the recognition of the SWEET14 promoter and the ATAC locus by TalC and TalF, compromise their transcriptional induction and ultimately provide broad BLB resistance in Mali
Dumas, Pierre-Yves. „Microenvironnement médullaire et résistance des LAM FLT3-ITD aux inhibiteurs de tyrosine kinase : Rôle pivot du récepteur TAM AXL“. Thesis, Bordeaux, 2017. http://www.theses.fr/2017BORD0675/document.
Der volle Inhalt der QuelleInternal tandem duplication in Fms-like tyrosine kinase 3 gene (FLT3-ITD) is the most frequent mutation observed in acute myeloid leukemia (AML), and correlates with poor prognosis. FLT3 tyrosine kinase inhibitors (FLT3-TKI) have been promising for therapeutic strategies but clinical trials have revealed rarely long-lasting remission with persistent leukemic cells present in the bone marrow. In this work, we show that the hematopoietic niche microenvironment protects FLT3-ITD AML cells from FLT3-TKI quizartinib (AC220) through convergent up-regulation of AXL expression and activity. Cytokine-dependent activation of STAT5 enhances AXL gene transcription and expression, while low O2 concentration up-regulates AXL protein levels. Moreover, cytokines such as thrombopoietin or interleukin-3 directly activate AXL. RNA interference-based inhibition of AXL expression in FLT3-ITD AML cells allowed a selective purge of leukemic cells within their microenvironment when combined with FLT3-TKI in immuno-compromised mice. Altogether, our data support a strategy combining FLT3-TKI and anti-AXL therapy to eradicate FLT3-ITD AML cells, including those protected by the hematopoietic niche. In such a setting, we performed a study to test the efficacy of gilteritinib (ASP2215) and we showed in vitro and in vivo that this dual FLT3/AXL-TKI is more efficient to eradicate leukemic cells in their microenvironment than quizartinib which is a more specific FLT3-TKI. Finally, we also studied an anti-AXL monoclonal antibody on primary AML cells and showed that its efficacy could be interesting with FLT3-TKI and cytarabine in both FLT3-wild type and FLT3-ITD AML
Lachaux, Marlène. „Caractérisation de nouvelles sources de résistance aux souches africaines de Xanthomonas oryzae pv. oryzae, agent de la bactériose vasculaire du riz“. Thesis, Montpellier, 2022. http://www.theses.fr/2022MONTG011.
Der volle Inhalt der QuelleBacterial Leaf Blight (BLB), caused by the Gram-negative bacterium Xanthomonas oryzae pv. oryzae (Xoo), is one of the most devastating diseases of rice in West Africa and Asia. Xoo injects through its type-III secretion system a full cocktail of TAL ("Transcription Activator-Like") effectors into the host plant cell. By means of their nuclear localization signals (NLS) TALEs are next imported into the host nucleus where they bind through central tandem repeats to host promoter targets at a sequence called EBE ("Effector Binding Element"), with the final aim of initiating gene transcription thanks to their activation domain (AD). Xoo is thus able to modulate the expression of plant genes by hijacking the plant transcriptional machinery and induce so-called susceptibility (S) genes that favor the development of the bacterium and disease consequently. In some cases, TALEs can activate so-called executor (E) genes whose expression leads to plant defense reactions and results in resistance. Genetic diversity analyses have shown that Xoo is comprised of two lineages that corresponding to strains from Africa for one and Asian strains for the other. African and Asian Xoo differ in their number of tal genes, but also in the type of resistance they elicit. Noteworthy, none of the races identified in Africa have been found in Asia.The objective of this thesis was to identify sources of resistance in rice in order to provide new strategies for the control of BLB in Africa. In a gain-of-function approach, preliminary analyses identified several TALEs of the Malian strain MAI1 with potential avirulence activity on the rice varieties IR64, CT13432 and FKR47N. To further confirm these results, a loss-of-function approach was undertaken, consisting in the inoculation of a library of BAI3Δtal mutants deriving from the Xoo Burkinabe strain BAI3, whose TALome (tal genes repertoire) is very similar to that of MAI1, on each of the three resistant varieties. This work validated the avirulence role of TalD and TalI on the matching rice varieties IR64 and CT13432, respectively. We also showed that the resistance exhibited by CT13432 against MAI1 and BAI3 results of the combination of two resistance mechanisms, one based on the TalI-mediated induction of an as yet unknown executor gene, and the other on an allele of the Xa1 resistance gene. In a second step, in order to deepen our knowledge on the resistance conferred by IR64 to African Xoo strains, the screening of a population of recombinant inbred lines of F11 generation, resulting from the cross between the resistant variety IR64 and the susceptible variety Azucena, was conducted. This study confirmed two QTL, qABB-7 and qABB-11, previously reported in another study, and also identified four new QTL of resistance against African Xoo strains. Finally, RNAseq analyses were performed on the resistant variety IR64 and the susceptible variety Nipponbare, which genomes are sequenced, to characterize their transcriptome in response to African Xoo. The avirulence activity of TalD in IR64 being demonstrated, a comparison of the differential expression of genes induced by MAI1 and BAI3 with the BAI3ΔtalD mutant was performed, allowing the identification of potential candidate E-genes induced by TalD in IR64. This work represents a first step in the development of new strategies based on the deployment of sustainable sources of resistance to control BLB in Africa
Lachaux, Marlène. „Caractérisation de nouvelles sources de résistance aux souches africaines de Xanthomonas oryzae pv. oryzae, agent de la bactériose vasculaire du riz“. Thesis, Université de Montpellier (2022-….), 2022. http://www.theses.fr/2022UMONG011.
Der volle Inhalt der QuelleBacterial Leaf Blight (BLB), caused by the Gram-negative bacterium Xanthomonas oryzae pv. oryzae (Xoo), is one of the most devastating diseases of rice in West Africa and Asia. Xoo injects through its type-III secretion system a full cocktail of TAL ("Transcription Activator-Like") effectors into the host plant cell. By means of their nuclear localization signals (NLS) TALEs are next imported into the host nucleus where they bind through central tandem repeats to host promoter targets at a sequence called EBE ("Effector Binding Element"), with the final aim of initiating gene transcription thanks to their activation domain (AD). Xoo is thus able to modulate the expression of plant genes by hijacking the plant transcriptional machinery and induce so-called susceptibility (S) genes that favor the development of the bacterium and disease consequently. In some cases, TALEs can activate so-called executor (E) genes whose expression leads to plant defense reactions and results in resistance. Genetic diversity analyses have shown that Xoo is comprised of two lineages that corresponding to strains from Africa for one and Asian strains for the other. African and Asian Xoo differ in their number of tal genes, but also in the type of resistance they elicit. Noteworthy, none of the races identified in Africa have been found in Asia.The objective of this thesis was to identify sources of resistance in rice in order to provide new strategies for the control of BLB in Africa. In a gain-of-function approach, preliminary analyses identified several TALEs of the Malian strain MAI1 with potential avirulence activity on the rice varieties IR64, CT13432 and FKR47N. To further confirm these results, a loss-of-function approach was undertaken, consisting in the inoculation of a library of BAI3Δtal mutants deriving from the Xoo Burkinabe strain BAI3, whose TALome (tal genes repertoire) is very similar to that of MAI1, on each of the three resistant varieties. This work validated the avirulence role of TalD and TalI on the matching rice varieties IR64 and CT13432, respectively. We also showed that the resistance exhibited by CT13432 against MAI1 and BAI3 results of the combination of two resistance mechanisms, one based on the TalI-mediated induction of an as yet unknown executor gene, and the other on an allele of the Xa1 resistance gene. In a second step, in order to deepen our knowledge on the resistance conferred by IR64 to African Xoo strains, the screening of a population of recombinant inbred lines of F11 generation, resulting from the cross between the resistant variety IR64 and the susceptible variety Azucena, was conducted. This study confirmed two QTL, qABB-7 and qABB-11, previously reported in another study, and also identified four new QTL of resistance against African Xoo strains. Finally, RNAseq analyses were performed on the resistant variety IR64 and the susceptible variety Nipponbare, which genomes are sequenced, to characterize their transcriptome in response to African Xoo. The avirulence activity of TalD in IR64 being demonstrated, a comparison of the differential expression of genes induced by MAI1 and BAI3 with the BAI3ΔtalD mutant was performed, allowing the identification of potential candidate E-genes induced by TalD in IR64. This work represents a first step in the development of new strategies based on the deployment of sustainable sources of resistance to control BLB in Africa
Wirden, Marc. „Mutations de résistance sur le gène de la transcriptase inverse du VIH-1 : impacts des interruptions thérapeutiques et études d'interactions entre mutations particulières“. Paris 6, 2006. http://www.theses.fr/2006PA066326.
Der volle Inhalt der QuelleMussabekova, Assel. „Evaluating antiviral activity of nucleic acid binding proteins across species“. Thesis, Strasbourg, 2019. http://www.theses.fr/2019STRAJ006.
Der volle Inhalt der QuelleAntiviral response largely relies on the recognition of viral nucleic acids. The aim of the project was to characterize the range of nucleic acid binding proteins in the context of viral infection in flies. We identified a wide repertoire of proteins, which recognize viral nucleic acids in five species (human, mouse, chicken, fruit fly and roundworm). Among these proteins, there are ones, which are conserved in insects and humans, and therefore their function can be easily studied in the fruit fly model. Afterwards, we have performed a large screen in flies to study more precisely the function of 100 proteins in infection with 5 different viruses. We have found eight promising candidates as a result of this screen. We identified two Drosophila proteins CG5641 and Zn72D, which are also present in humans, as proviral factors. We also identified a protein Tao, which is conserved in humans, and is antiviral against several types of viruses
Chaumeil, Philippe. „Plasticité moléculaire de deux écotypes de pin maritime soumis à un stress osmotique“. Phd thesis, Université Henri Poincaré - Nancy I, 2006. http://tel.archives-ouvertes.fr/tel-00115272.
Der volle Inhalt der Quelleplantes. Les modèles climatiques prévoient pour les 50 à 100 années à venir une baisse des
précipitations et des températures estivales accrues dans la moitié sud de la France. La durée
de vie d'une forêt de pin maritime, de sa plantation jusqu'à la coupe d'exploitation est
justement de 50 ans. Il est donc important de savoir si ces organismes pourront faire face à ces
brusques changements climatiques ; en d'autres termes si les variétés améliorées plantées
aujourd'hui pourront maintenir le niveau actuel de productivité dans un milieu plus pauvre en
eau, et tolérer des épisodes de sécheresse intense. La capacité de ces organismes à faire face à
ces perturbations brutales dépendra à la fois de leur plasticité phénotypique et de leur diversité
génétique. Dans le cadre de cette thèse, nous avons étudié la plasticité moléculaire du système
racinaire de jeunes plants de pin maritime élevés en milieu hydroponique et soumis à un stress
osmotique par ajout de polyéthylène glycol. Un plan factoriel croisant deux écotypes (France
et Maroc) par cinq niveaux de stress a permis d'analyser les réponses du transcriptome et du
protéome à court et long terme. Nos investigations ont porté sur l'accumulation des transcrits
de 7000 gènes et de 1200 protéines. L'analyse statistique des données a permis d'identifier
des gènes dont la plasticité moléculaire est génétiquement contrôlée, révélant des stratégies de
réponse différentes de chaque écotype. La valeur adaptative de ces gènes pourra alors être
confirmée par l'interprétation des patrons de diversité nucléotidique de ces gènes candidats.
Luo, Huan. „Study of the plasma phenomenon in HiPIMS discharge. : Application to the reactive deposition of tantalum and hafnium carbide nanocomposite coatings and characterization of their physicochemical, structural, mechanical and oxidation resistance propertie“. Thesis, Bourgogne Franche-Comté, 2020. http://www.theses.fr/2020UBFCA010.
Der volle Inhalt der QuelleHigh Power Impulse Magnetron Sputtering technology (HiPIMS) has been developed and considered as an effective method for film preparation. HiPIMS technology allows for much greater flexibility for manipulating film structure and performance, leading to films with unique properties that are often unachievable in the other PVD approaches. However, the underlying plasma mechanism for supporting film growth is currently blurred. Moreover, HiPIMS technology is still stationed in the laboratory, many films with desirable properties have not been explored under HiPIMS framework. In this work, (i) the driven mechanism of high density plasma coherent structure (i.e., spokes) in the HiPIMS discharge and (ii) how the structure and properties of the TaC/a-C:H and HfC/a-C:H films are regulated by HiPIMS were investigated. For the driven mechanism of spokes, based on the dispersion relationship of HiPIMS plasma and the evolution of the coupling between two azimuthal waves, the coupling-induced wave model was proposed. For the TaC/a-C:H and HfC/a-C:H films, the chemical bond states, structure, morphology, mechanical and tribological properties, thermal stability as well as oxidation resistance of the films were investigated. By comparison with DC deposited films, it is demonstrated that HiPIMS technology provides a potential strategy for preparing higher performance TaC/a-C:H and HfC/a-C:H films in terms of hardness, friction coefficient and wear resistance, oxidation resistance and thermal stability by modulating the chemical bonding state and nanocomposite structure of the films through HiPIMS reactive plasma
Mussabekova, Assel. „Evaluating antiviral activity of nucleic acid binding proteins across species“. Electronic Thesis or Diss., Strasbourg, 2019. http://www.theses.fr/2019STRAJ006.
Der volle Inhalt der QuelleAntiviral response largely relies on the recognition of viral nucleic acids. The aim of the project was to characterize the range of nucleic acid binding proteins in the context of viral infection in flies. We identified a wide repertoire of proteins, which recognize viral nucleic acids in five species (human, mouse, chicken, fruit fly and roundworm). Among these proteins, there are ones, which are conserved in insects and humans, and therefore their function can be easily studied in the fruit fly model. Afterwards, we have performed a large screen in flies to study more precisely the function of 100 proteins in infection with 5 different viruses. We have found eight promising candidates as a result of this screen. We identified two Drosophila proteins CG5641 and Zn72D, which are also present in humans, as proviral factors. We also identified a protein Tao, which is conserved in humans, and is antiviral against several types of viruses
Bücher zum Thema "Tag résistant"
Impôt colonial et résistance des populations du Congo: Les cas des pays téké, mbosi et des peuples de l'interfluve Sangha-Oubangui (1879-1930). Paris: L'Harmattan, 2013.
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