Academic literature on the topic 'Maladies transmises par les tiques – microbiologie'
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Journal articles on the topic "Maladies transmises par les tiques – microbiologie"
Tissot Dupont, H., and D. Raoul. "Maladies transmises par les tiques." La Revue de Médecine Interne 14, no. 6 (June 1993): 382. http://dx.doi.org/10.1016/s0248-8663(05)80332-7.
Full textTissot Dupont, H., and D. Raoult. "Maladies transmises par les tiques." La Revue de Médecine Interne 14, no. 5 (May 1993): 300–306. http://dx.doi.org/10.1016/s0248-8663(05)81304-9.
Full textMutz, Ingomar. "Maladies émergentes transmises par les tiques." Annales Nestlé (Ed. française) 67, no. 3 (2009): 123–34. http://dx.doi.org/10.1159/000313537.
Full textTissot Dupont, H. "Epidémiologie des maladies transmises par les tiques." Médecine et Maladies Infectieuses 28, no. 4 (May 1998): 344–48. http://dx.doi.org/10.1016/s0399-077x(98)70219-7.
Full textCoudert, Pascal, and Émilie Donas. "Les maladies transmises aux chiens par les tiques." Actualités Pharmaceutiques 52, no. 531 (December 2013): 44–48. http://dx.doi.org/10.1016/j.actpha.2013.10.011.
Full textPérez-Eid, C. "Déterminisme de distribution géographique des maladies transmises par les tiques." Médecine et Maladies Infectieuses 31 (March 2001): 184–87. http://dx.doi.org/10.1016/s0399-077x(01)80058-5.
Full textLienard, M., H. Treppoz, B. Delemotte, A. Adjemian, F. X. Mercat, and P. Choutet. "Infections transmises par les tiques et maladies professionnelles en agriculture." Médecine et Maladies Infectieuses 28, no. 4 (May 1998): 367–72. http://dx.doi.org/10.1016/s0399-077x(98)70224-0.
Full textNdi, C., P. H. Bayemi, F. N. Ekue, and B. Tarounga. "Observations préliminaires sur les tiques et les maladies transmises par les tiques dans la province du Nord-Ouest du Cameroun. I. Babésiose et anaplasmose." Revue d’élevage et de médecine vétérinaire des pays tropicaux 44, no. 3 (March 1, 1991): 263–65. http://dx.doi.org/10.19182/remvt.9163.
Full textRey, J. L. "Moyens actuels de protection contre les maladies transmises par les tiques." Médecine et Maladies Infectieuses 28, no. 4 (May 1998): 393–95. http://dx.doi.org/10.1016/s0399-077x(98)70231-8.
Full textGoujon, C. "Moyens actuels de protection contre les maladies transmises par les tiques. Prévention vaccinale." Médecine et Maladies Infectieuses 28, no. 4 (May 1998): 396–97. http://dx.doi.org/10.1016/s0399-077x(98)70232-x.
Full textDissertations / Theses on the topic "Maladies transmises par les tiques – microbiologie"
Parola, Philippe. "Approche moléculaire de l'épidémiologie des rickettsioses et ehrlichioses transmises par les tiques." Aix-Marseille 2, 2001. http://theses.univ-amu.fr.lama.univ-amu.fr/2001AIX20658.pdf.
Full textDahmani, Mustapha. "Les bactéries de la famille des Anaplasmataceae, agents pathogènes à transmission vectorielle." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0202/document.
Full textIn this work, we are interested in studying Anaplasmataceae infections in animals and their ticks. Our objective is to describe these infections in animals and to identify new species implicated in different pathology. First, we propose a molecular diagnostic approach that couples a qPCR followed by amplification and sequencing targeting the 23S rRNA gene. Then we propose other primers targeting other genes including the ribosomal subunit beta (rpoB), heat shock protein (groEl), and the 16S rRNA. Our goal was to screen and identify the different species involved, or not involved, in pathologies of animals and identify their vectors. During this work, we had access to different blood samples and ticks from different parts of the world including metropolitan France, France overseas, Algeria, the Republic of Niger, Côte d'Ivoire, Senegal and Pakistan. Our different investigations allowed to identify different species of Anaplasmataceae including potential new species. The prevalence reported in each study demonstrates that animals are the reservoirs of these infections. So, the research conducted on ticks has identified potential vectors of Anaplasmataceae in different regions of the world. Potentially new species were identified are characterized by different targeting genes. These studies provide further information on the epidemiology of Anaplasmataceae in the world
Laveix, Charlotte Le Pape Patrice. "Principales maladies transmises par les ixodidés." [S.l.] : [s.n.], 2009. http://castore.univ-nantes.fr/castore/GetOAIRef?idDoc=57326.
Full textSocolovschi, Cristina. "Interrelations entre les tiques et les rickettsies." Aix-Marseille 2, 2009. http://www.theses.fr/2009AIX20653.
Full textTick borne rickettsioses have limited geographic distributions that are determined by their tick vectors. During the last 20 years, 16 additional rickettsial species or subspecies were identified and characterized by epidemiologic, microbiological and molecular tools, but there are many unknown questions on the relation between the rickettsiae and their vectors. We used a simple and effective molecular approach to study the epidemiology of the tick borne rickettsioses in France, in Morocco, in Chad, in Djibouti, in Ethiopia, in Uganda and French Guiana. The same approach can be extended to other countries. Three colonies of the naturally infected ticks: Rhipicephalus sanguineus infected with R. Conorii, Amblyomma variegatum infected with R. Africae and Dermacentor marginatus infected with Rickettsia sp. DmS1 and some colonies of not infected ticks were established in the laboratory. Studies of transmission, maintenance, infectivity, virulence, and pathogenicity of tick borne agents require the use of large numbers of live laboratory-raised ticks. A protocol of maintenance of laboratory ticks was established. The vertical transmission of these rickettsiae was studied and these infected ticks could be used to study other aspects of the relations ticks-rickettsiae. One of important point of our work is the results obtained on the relation of Rh. Sanguineus and R. Conorii, agent of the Mediterranean spotted fever (MSF) endemic in the countries of the Mediterranean area. Rh. Sanguineus are not only a vector but could be a reservoir of R. Conorii. A focus of spotted fever was investigated in France in May 2007. In addition to the originality of theses cases (ophthalmic involvements, the second reported case of R. Massiliae infection), we provide evidence that this cluster of cases was related to a warming-mediated increase in the aggressiveness of Rh. Sanguineus, leading to increased human attacks. The temperature seems to be essential on the ecology and the epidemiology of the tick borne rickettsioses. New studies are necessary to better understand the relation between the rickettsies and their vector - ticks
Mathew, Mano Joseph. "Insight into intracellular bacterial genome repertoire using comparative genomics." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM5090/document.
Full textThe initial purpose of my thesis is to understand with the help of comparative genomics, genomic variations based on coexistence, by examining data on the ancient existence of intracellular bacteria, their host adaptation and the differences between sympatry and allopatry. The first part of my thesis is a review giving insight into intracellular bacterial genome repertoire and symbionts. The goal of this review is to explore how intracellular microbes acquire their specific lifestyle. Due to their different evolutionary trajectories, these bacteria have different genomic compositions. We reviewed data on the ancient existence of intracellular bacteria, their host adaptation and the differences between sympatry and allopatry. A comparison of the genomic contents of bacteria with certain lifestyles revealed the bacterial capacity to exchange genes to different extents, depending on the ecosystem. The second part of my thesis present about the genome sequence of Diplorickettsia massiliensis strain 20B which is an obligate intracellular, gram negative bacterium isolated from Ixodes ricinus ticks collected from Slovak. In the third part, we investigated the genome repertoire of Diplorickettsia massiliensis compared to closely related bacteria according to its niche, revealing its allopatric lifestyle. In this study, we compared the genomic features of Diplorickettsia massiliensis with twenty-nine sequenced Gammaproteobacteria species (Legionella strains, Coxiella burnetii strains, Francisella tularensis strains and Rickettsiella grylli) using multi-genus pangenomic approach. This thesis work provides original data and sheds light on intracellular bacterial diversity
Vial, Laurence. "Éco-épidémiologie de la borréliose à tiques à "Borrelia crocidurae" en Afrique de l'Ouest." Montpellier 2, 2005. http://www.theses.fr/2005MON20131.
Full textBitam, Idir. "Approche moléculaire de l'épidémiologie des bactéries transmises par les puces en Algérie." Aix-Marseille 2, 2008. http://www.theses.fr/2008AIX20653.
Full textGondard, Mathilde. "A la découverte des agents pathogènes et microorganismes des tiques par séquençage de nouvelle génération et QPCR microfluidique à haut débit." Thesis, Paris Est, 2017. http://www.theses.fr/2017PESC1017.
Full textVector-borne diseases are illnesses caused by pathogens transmitted by haematophagous arthropods which provide active transmission (mechanical or biological) of infectious agents from one vertebrate to another. Among these vectors, ticks are known to carry and transmit the greatest variety of pathogens of public health and veterinary importance. They transmit microorganisms responsible for bacterial (Lyme borreliosis, rickettsioses), parasitic (babesiosis, theileriosis), or viral diseases (tick-borne encephalitis).The Antilles are located in the heart of the Caribbean Neotropical Zone. This area can be considered at risk for the emergence of vector-borne diseases mainly due to favorable environmental conditions and intercontinental exchanges (e.g. legal and illegal animal trade, migratory birds). However, the epidemiological situation of the Caribbean area, with regard to tick-borne diseases, is still poorly documented. Indeed, most of field studies only focused on animal pathogens such as Ehrlichia ruminantium, Babesia (bovis and bigemina) and Anaplasma marginale and questions about the risk of emergence or re-emergence of tick-borne diseases remain unanswered. Thus, it is crucial to develop efficient epidemiological surveillance tools that would enable the detection of new, known or unexpected pathogens present in ticks. In this context, the main objective of my thesis was to obtain an overview of pathogens of medical and veterinary interest present in Caribbean ticks using new high-throughput technologies. We first used a high-throughput sequencing approach to determine pathogens present in ticks (bacteria, parasites, and viruses) collected in Guadeloupe and Martinique. This analysis revealed a great diversity of pathogenic agents in our samples and highlighted the presence of four viruses belonging to new viral families recently described and associated with arthropods. Results of sequencing combined with data available in the literature allowed us to make the most exhaustive list of pathogens potentially transmitted by ticks and requiring health surveillance in the Caribbean area. From this pathogen inventory, we developed a system of high-throughput screening of infectious agents applicable to the whole Caribbean area. This molecular tool is a microfluidic system based on the BiomarkTM dynamic arrays technology (Fluidigm Corporation), which enables high-throughput real-time PCR to simultaneously detect 48-96 targets within 48 to 96 samples. Two different chips have been developed, one for bacteria and parasites monitoring, and one for viruses. Their efficiency was tested on tick samples collected in both Guadeloupe and Martinique. This large-scale screening provided a comprehensive overview of the epidemiological situation of 45 bacteria, 17 parasites and 31 viruses potentially transmitted by ticks in the French West Indies. The high-throughput detection tool developed during my thesis represents a major improvement in epidemiological surveillance technology, enabling the rapid and concomitant monitoring of a wide range of pathogens. It will soon be applied to high-throughput screening of infectious agents found in ticks collected throughout the Caribbean, including Trinidad and Tobago, St. Kitts, Barbados, and St. Lucia, thanks to the collaboration with the CaribVet network, and local veterinarians
Vu, Hai Vinh. "Salivary antigenic proteins from Ixodidae and Anopheles : a novel tool for vector-borne diseases monitoring." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM5052/document.
Full textVector-borne diseases (VBD) are a major health problem worldwide. The emergence of VBD requires novel monitoring tools. The present project focused on two vector families: Ixodidae (R. sanguineus, D. reticulatus and I. ricinus) and Anopheles (An. gambiae s.l. and An. funestus). A review updates the repartition of TBD, their vectors in Europe, prior to present the different tools for monitoring of TBD transmission. The experimental part focused on establishing methods for selection of useful vector salivary proteins for host-vector contact assessment. Concerning Ixodidae, the studied antigenic strategy successfully identified the shared and discriminant tick salivary antigenic proteins. These identified proteins could be an useful tool to measure host exposition to Ixodidae bites. Concerning Anopheles, the studied candidate strategy revealed an salivary antigenic protein ( f-5’nuc) that could be a promising antigenic marker to distinguish malaria vector exposure at the species level. To comfort these results, the relationship between the kinetic host antibody response against anopheline salivary candidates and the Anopheles fauna population and density variations is under progress. The present work underlined that both two studied vector families following blood meal can elicit a host antibody response against injected vector salivary antigenic proteins. This project proposed for the first time some vector salivary proteins allowing discriminating host exposure to vector bites from genus to species level, opening new strategies for VBD monitoring at the individual and population levels
Pereira, de Oliveira Rémi. "Mécanismes de transmission vectorielle du virus de la Peste Porcine Africaine et facteurs influençant cette transmission : étude de différentes associations tique-virus." Thesis, Montpellier, 2020. http://www.theses.fr/2020MONTG013.
Full textThere is currently no vaccine available to control African Swine Fever (ASF), one of the most important swine diseases that ravages Africa, Europe and Asia. To fight the ASF virus (ASFV) that induces infectious disease, understanding the different modes of transmission is essential to apply adequate sanitary measures. One mode of transmission is through the bite of an infected tick. The main objective of my thesis was to understand the mechanisms and factors that determine the vectorial competence of the Ornithodoros soft ticks for ASFV. First, this thesis project showed that the ticks present in Europe are not competent for the strains currently circulating in Eurasia, but can maintain the virus for several months and be infectious to pigs, at least by ingestion. This study also showed that dissemination of ASFV inside ticks towards transmission organs is not enough and must be completed by a sufficient level of viral replication to allow transmission. However, our results also suggest the existence of other factors, partially unknown, that modulate each of these stages. A comparative analysis of two ASFV genomes with different vectorial transmission patterns showed several genetic differences, which may contribute to determining vector competence. In addition, a preliminary study conducted in this PhD project demonstrated that the infection of ticks with ASFV induced modulation of some antimicrobial peptides, highlighting that there is an interaction at the molecular level between the tick and the ASFV. All these results were discussed in regard to potential risks for the establishment of a tick-suid transmission cycle and the implementation of appropriate sanitary measures in these peculiar areas
Book chapters on the topic "Maladies transmises par les tiques – microbiologie"
"Maladies humaines transmises par les tiques." In La lutte antivectorielle en France, 107–40. IRD Éditions, 2009. http://dx.doi.org/10.4000/books.irdeditions.1315.
Full textMoutailler, Sara, Jean-Claude George, Yves Hansmann, Brigitte Degeilh, Guy Joncour, Elsa Jourdain, Laurence Malandrin, et al. "7. Principales maladies transmises par les tiques : épidémiologie, clinique et diagnostic." In Tiques et maladies à tiques, 193–209. IRD Éditions, 2015. http://dx.doi.org/10.4000/books.irdeditions.9047.
Full textMarsot, Maud, Thierry Hoch, Grégoire Perez, Elsa Léger, Hélène Verheyden, Céline Richomme, and Gwenaël Vourc’h. "8. Modification et modélisation du risque de maladies transmises par les tiques." In Tiques et maladies à tiques, 239–58. IRD Éditions, 2015. http://dx.doi.org/10.4000/books.irdeditions.9056.
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