Letteratura scientifica selezionata sul tema "Moustique tigre"
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Articoli di riviste sul tema "Moustique tigre"
Dalmat, Yann-Mikael. "Attention au moustique tigre !" Option/Bio 29, n. 583-584 (luglio 2018): 11. http://dx.doi.org/10.1016/s0992-5945(18)30309-x.
Testo completoManus, J. M. "Haro sur le moustique tigre". Revue Francophone des Laboratoires 2015, n. 475 (settembre 2015): 74. http://dx.doi.org/10.1016/s1773-035x(15)30262-8.
Testo completoManus, Jean-Marie. "Le moustique tigre envahit l’Europe orientale". Revue Francophone des Laboratoires 2013, n. 449 (febbraio 2013): 11. http://dx.doi.org/10.1016/s1773-035x(13)71800-8.
Testo completoCourtioux, Bertrand. "Le moustique tigre, vigilance et conseils". Actualités Pharmaceutiques 58, n. 586 (maggio 2019): 40–43. http://dx.doi.org/10.1016/j.actpha.2019.03.018.
Testo completoM., J. M. "Prolifération du moustique tigre : le manque d’insecticides !" Revue Francophone des Laboratoires 2016, n. 482 (maggio 2016): 87. http://dx.doi.org/10.1016/s1773-035x(16)30184-8.
Testo completoManus, Jean-Marie. "Le moustique tigre en Ardèche et en Auvergne-Rhône-Alpes". Revue Francophone des Laboratoires 2021, n. 537 (dicembre 2021): 14. http://dx.doi.org/10.1016/s1773-035x(22)00015-6.
Testo completoSegondy, Michel. "Transmission du virus Zika par le moustique tigre en France métropolitaine". Revue Francophone des Laboratoires 2020, n. 518 (gennaio 2020): 16. http://dx.doi.org/10.1016/s1773-035x(20)30018-6.
Testo completoKrupa, Eva, Francis Schaffner, Christelle Bender e Bruno Mathieu. "Progression du moustique tigre en France : surveillance transfrontalière dans le Grand-Est". Revue Francophone des Laboratoires 2020, n. 524 (luglio 2020): 53–61. http://dx.doi.org/10.1016/s1773-035x(20)30231-8.
Testo completoDelaunay, P., C. Jeannin, F. Schaffner e P. Marty. "Actualités 2008 sur la présence du moustique tigre Aedes albopictus en France métropolitaine". Archives de Pédiatrie 16 (ottobre 2009): S66—S71. http://dx.doi.org/10.1016/s0929-693x(09)75304-7.
Testo completoMannucci, Mélissa, Geoffroy Carrère e Philippe Terral. "Lutter ou « vivre avec » le moustique-tigre : adaptations citoyennes et relations à l’action publique plus formelle". Revue française des affaires sociales, n. 1 (29 maggio 2024): 29–44. http://dx.doi.org/10.3917/rfas.241.0029.
Testo completoTesi sul tema "Moustique tigre"
Girard, Maxime. "Biologie des interactions entre le moustique tigre Aedes albopictus et la grégarine Ascogregarina taiwanensis". Electronic Thesis or Diss., Lyon 1, 2024. http://www.theses.fr/2024LYO10272.
Testo completoThe Asian tiger mosquito, Aedes albopictus, is considered a threatening species to public health due to its invasive nature and its ability to transmit arboviruses such as the dengue or Chikungunya . Due to the lack of effective and widely available prophylaxis, controlling mosquito populations remains the main solution to address this issue. To provide a better understanding of vector biology, the study of host-microbe interactions arose as a powerful tool. While mosquito-bacteria interactions have been extensively studied, other microorganisms remain largely neglected to this day. In the Asian tiger mosquito Aedes albopictus, the dominant member of the eukaryotic microbiota is a gregarine belonging to the phylum Apicomplexa, Ascogregarina taiwanensis. However, this microorganism remains relatively unknown. To fill these knowledge gaps, our research aimed to decipher the interactions between the Asian tiger mosquito and As. taiwanensis by combining ecological, experimental, and molecular approaches. First, we studied its prevalence and abundance in various mosquito populations worldwide. We showed that this parasite heavily colonizes native mosquito populations but is less prevalent in recently introduced populations. Notably, we demonstrated that the parasite was sensitive to the transport conditions of mosquitoes during their passive introduction, largely linked to human activities. We then focused on the vertical transmission of the parasite, and our results suggested that the parasite might promote oogenesis and alter the egg-laying behavior of infected females to enhance its own spread. By coupling these experiments with transcriptomic analyses, we observed that As. taiwanensis particularly affects the oogenesis of its host through the detoxification of blood metabolites and a more efficient conversion of the amino acids. Finally, to confirm the role of genes involved in these interactions, we conducted a methodological study to assess the effectiveness of RNA interference approaches in the Asian tiger mosquito. Our work revealed how human activities can influence host-microorganism interactions, as well as the complexity of interactions between mosquitoes and this often-overlooked parasite
Boubidi, Saïd Chaouki. "Surveillance et contrôle du moustique tigre, Aedes albopictus (Skuse, 1894) à Nice, sud de la France". Thesis, Montpellier, 2016. http://www.theses.fr/2016MONTT118/document.
Testo completoThe Asian Tiger mosquito, Aedes albopictus, first appeared in Europe in the 1970s,almost certainly a result ofintercontinental transport of its dessication-resistant eggs. In the laboratory,the species is capable of transmitting 27 viruses including Yellow Fever, dengue, chikungunya and zika, although in the field it is not considered an efficient vector because it is not host-specific.The first objective of our studies was to monitor aspects of the biology of the species in Nice (southeastern France), where it has been established for more than 10 years. Infusion-baited ovitraps, B-G® adult traps and human landing captures were used to reveal seasonal population fluctuations, parous rates and other parameters. In two complete years of study, adult mosquitoes began to appear in April, reached a plateau in July-August and declined thereafter until activity ceased in November. Parous rates were stable from June to October (0,52 to 0,71%) indicating a balance between recruitment (eclosion) and mortality. During this period, daily survival probability was high although this may be an underestimate if the duration of the gonotrophic cycle is extended by skip oviposition. Up to 44% of females captured by landing capture were gravid, confirmation of multiple blood-meals per gonotrophic cycle.The main focus of the work was an assessment of the efficacy of Ultra-low Volume (ULV) space sprays, the principal method used in the event of urban outbreaks. The local population proved highly susceptible to deltamethrin (the only insecticide approved for adult mosquito control in France) although femaleswere significantly less susceptible than males. A comparison of results by topical application and by the WHO tube test confirmed this difference is a function of size. In six separate field trials,there was no evidence of any impact of ULVdeltamethrin on females although there was a significant reduction of males. By contrast, outdoor treatment of a small cluster of homes with a portable thermal fogger gave virtual elimination (ca. 95%) of both sexes.These results are clearly of public health significance.Lastly, the efficacy of several slow-release formulations of microencapsulated insecticide in paint was tested in laboratory and semi-field conditions. Results were encouraging and tests demonstrated that the paints remained effective for 24 months on plastic surface. The ultimate goal was to use paint-treated ovitraps as a control method: in theory, skip ovipositon should ensure a high probability that ovipositing females will make contact with a treated trap on their rounds of suitable oviposition sites. In a small field trial, however, no impact on the wild population was observed. This may have been because too few treated traps were deployed; further studies along these lines could prove worthwhile
Guegan, Morgane. "Interactions entre le moustique tigre et son microbiote : réponse aux perturbations anthropiques et impact dans la nutrition". Thesis, Lyon, 2019. https://n2t.net/ark:/47881/m63n22rn.
Testo completoThe Asian tiger mosquito Aedes albopictus is a major public health concern due to its ability to transmit various pathogens, linked to its invasive capacity. In addition to its strong ecological plasticity, its global expansion has been largely favored by global changes. In recent years, increasing researches on microbiota have demonstrated the importance of this component in key functions of mosquito biology. Improved knowledge on the relationships between the mosquito and its microbiota offers new insights into the understanding of the functioning of the mosquito holobiont. In this context, the main purpose of this PhD was to evaluate the microbiota response to abiotic disturbances and its role in the fructose metabolism, a major component of mosquito nutrition. The results showed differential impacts of antibiotics and temperature decrease on the composition and structure of the bacterial microbiota and several bacterial and fungal genera able to metabolize fructose were highlighted, along with the characterization of active metabolic pathways. These data open up new research avenues focused on the impact of anthropic disturbances on the mosquito functional microbiota as well as their consequences on both the transmission of pathogens and trophic interactions within the mosquito holobiont
Minard, Guillaume. "Écologie du microbiote bactérien associé au moustique tigre Aedes albopictus : une approche "omique" pour l'exploration de l'holobionte vecteur". Thesis, Lyon 1, 2014. http://www.theses.fr/2014LYO10299/document.
Testo completoOriginated from South East Asia, the Asian tiger mosquito Aedes albopictus is now established on 5 of the 6 continents. Control strategies to limit its introduction and expansion remain restricted. Those last years, studies on insect microbial communities highlighted the key role of symbionts in the biology of their hosts (nutrition, immunity, resistance to biotic and abiotic stresses…). Together, they constitute a super-organism called the holobiont. Therefore, a better knowledge of microbial ecology of Ae. Albopictus should increase the understanding of vectorial pathosystem. In this context, my thesis project consisted to improve the description of bacterial microbiota associated with the Asian tiger mosquito in relation with its ecology and population genetics. We first based our attention on specific models of symbiotic interactions and then we extended our study to the whole bacterial community and its variation factors using high throughput sequencing technologies. Our results open the way to new hypotheses about the function and dynamics of mosquito holobionte taking into account the symbiotic interactions as a major component of the vectorial pathosystem
Sherpa, Stéphanie. "Histoire de la colonisation et déterminants du succès invasif des populations du moustique tigre Aedes albopictus en Europe". Electronic Thesis or Diss., Université Grenoble Alpes (ComUE), 2019. http://www.theses.fr/2019GREAV049.
Testo completoThe Asian tiger mosquito, Aedes albopictus, is native to Southeast Asia and has colonized all continents but Antarctica in the last decades. However, the factors determining the invasive success of populations at the global scale remain to be elucidated. Focusing on the European invasion, we used a comprehensive framework and multi-source data for distinguishing the role of historical and contemporary processes, both neutral and adaptive, in structuring the genetic variability of invasive populations. Examining the genetic variability of 1,000 individuals from 150 invasive and native populations revealed three independent introduction events in Europe (in Albania, North Italy, and Central Italy), from the United States (previously invaded area) and from China (native range). Primary introduced populations constituted dispersal centers for the colonization of Europe, and migration routes correlate with the geography of human transportation networks. Several admixture events either during introduction or subsequent expansion, as well as high connectivity between invasive populations, promoted the maintenance of high levels of genetic diversity. Pre-existing cold adaptation within the native range of the species and niche conservatism between introduced populations and their sources suggest that these populations were already prepared for establishing under temperate European climate. Nonetheless, shifts in allele frequencies along environmental gradients within Europe suggest post-introduction adaptive changes. The adaptive potential of populations and long-distance human-aided dispersal facilitated the rapid expansion of populations. Although often neglected in the context of biological invasions, natural dispersal at the landscape scale further contributed to range filling in range edge populations. The study of the demo-genetic and environmental characteristics of the European invasion allows a better understanding of processes at play during two key stages of the invasion process: establishment and expansion
Goubert, Clément. "Bases génétiques de l’adaptation du moustique tigre Aedes albopictus à de nouveaux environnements : une approche sans à priori reposant sur les éléments transposables". Thesis, Lyon 1, 2015. http://www.theses.fr/2015LYO10276/document.
Testo completoThe Asian tiger mosquito, one of the main vectors of Dengue and Chikungunya, is an invasive species that colonized the world during the last 30 years from its cradle in Asia. Whether this success has an underlying genetic basis remains to be investigated. In order to study the extent of the genetic differentiation between Asian and European populations and the contribution of natural selection to this differentiation, we developed new genetic markers based on transposable elements insertion polymorphism. We first conceived a bioinformatic pipeline –dnaPipeTE— that allowed to grasp a comprehensive picture of the repetitive fraction of the Tiger’s genome through the analysis of a low proportion of raw reads from a ongoing sequencing project. The insertion polymorphism of five transposable element families was then studied by Illumina based transposon display, in 140 individuals from three Vietnamese populations and five European populations. The vast majority of the 128,000 markers showed a very low genetic differentiation between Europe and Asia. However 92 of them displayed extreme frequency differences between the continents. The majority of them segregate at high frequencies in Europe, a pattern suggestive of adaptive evolution towards temperate environments
Le, Tyrant Marion. "Perceptions individuelles et mobilisations collectives autour du moustique Aedes albopictus dans le sud de la France : anthropologie des politiques sanitaires de prévention". Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0643.
Testo completoThe mosquito Aedes albopictus, is the potential vector of different viruses, such as dengue, Chikungunya and Zika, and is present in about 40 departments of mainland France. The experience of the cases and the autochthonous clusters of dengue fever and Chikungunya recorded in Europe and in mainland France in the last 10 years confirm the authorities’ interest in anticipating this problem by adopting collective strategies. The work of this thesis is based on the ethnography of the interactions between the local authority agents of the communauté d’agglomération Var-Esterel-Méditerranée and the local residents, as well as on a series of semi-structured interviews with institutional players and citizens of the city of Nîmes. Starting from the analysis of the words and actions, this work proposes an investigation of the perceptions concerning the mosquito nuisance and health risks associated with Aedes albopictus, as well as of the individual and collective measures. This thesis work wants to show how the fight against Aedes albopictus and the promotion of social mobilization at the local scale are less related to strict health issues and more broadly to political issues, particularly the local political agenda priorities. The more general issue we discuss is to understand whether the local institution implication in the fight against tiger mosquitoes reveals local identities and foreshadow local and also more general social inequalities in terms of access to information and prevention of health risks and quality of life of the populations
Capitoli di libri sul tema "Moustique tigre"
"Vers des usines à moustiques". In Science et développement durable, 93. Marseille: IRD Éditions, 2019. http://dx.doi.org/10.4000/1228l.
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