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Artykuły w czasopismach na temat "Microorganismes – Effets des métaux lourds"
Sola, F., J. Isaia, A. Masoni i B. Lahlou. "Effets des métaux lourds sur la physiologie des poissons". Journal français d’hydrologie 24, nr 1 (1993): 9–27. http://dx.doi.org/10.1051/water/19932401009.
Pełny tekst źródłaDenizeau, F., i M. Marion. "Effets synergiques de métaux lourds sur des cultures primaires d'hépatocytes de rat". Journal français d’hydrologie 17, nr 2 (1986): 121–29. http://dx.doi.org/10.1051/water/19861702121.
Pełny tekst źródłaAter, Mohammed, Nadia Aït Ali i Hicham Kasmi. "Tolérance et accumulation du cuivre et du chrome chez deux espèces de lentilles d’eau : Lemna minor L. et Lemna gibba L." Revue des sciences de l'eau 19, nr 1 (20.03.2006): 57–67. http://dx.doi.org/10.7202/012597ar.
Pełny tekst źródłaMarion, M., i F. Denizeau. "Réponse des cellules du foie de truite arc-en-ciel exposées à des métaux lourds toxiques". Water Quality Research Journal 28, nr 4 (1.11.1993): 709–22. http://dx.doi.org/10.2166/wqrj.1993.038.
Pełny tekst źródłaRosso, A., M. Lafont i A. Exinger. "Effets des métaux lourds sur les peuplements d'oligochètes de l'Ill et de ses affluents (Haut-Rhin, France)". Annales de Limnologie - International Journal of Limnology 29, nr 3 (wrzesień 1993): 295–305. http://dx.doi.org/10.1051/limn/1993024.
Pełny tekst źródłaBouallam, S., i A. Nejmeddine. "Effets des métaux lourds - Cu, Hg, Cd - sur les larves de trois espèces de moustiques (Diptera : Culicidae)". Annales de Limnologie - International Journal of Limnology 37, nr 1 (marzec 2001): 49–57. http://dx.doi.org/10.1051/limn/2001005.
Pełny tekst źródłaVavasseur, Alain. "Bioremédiation des sols et des eaux : application aux pollutions chimique et nucléaire". Pollution atmosphérique, NS 7 (1.06.2014): 80–86. http://dx.doi.org/10.54563/pollution-atmospherique.7832.
Pełny tekst źródłaAnsa, A. A., O. Idakpere i F. E. Idahosa. "Effet de l’extrait méthanolique du fruit de Gmelina arborea sur les caractères du sperme, la morphométrie testiculaire et l’histopathologie chez le lapin exposé au cadmium". Archivos de Zootecnia 67, nr 259 (15.07.2018): 374–80. http://dx.doi.org/10.21071/az.v67i259.3793.
Pełny tekst źródłaOndo, Benjamin Obiang, Sylvie Carole Ondo Ntyam i Richard Jules Priso. "Effet de la phytoaccumulation du plomb, du fer et du zinc sur deux Poacées dans la zone de Kribi et de ses environs". International Journal of Biological and Chemical Sciences 14, nr 6 (7.10.2020): 2257–66. http://dx.doi.org/10.4314/ijbcs.v14i6.26.
Pełny tekst źródłaPellerin-Massicotte, Jocelyne, Bruno Vincent i Émilien Pelletier. "Évaluation écotoxicologique de la baie des Anglais à Baie-Comeau (Québec)". Water Quality Research Journal 28, nr 4 (1.11.1993): 665–86. http://dx.doi.org/10.2166/wqrj.1993.035.
Pełny tekst źródłaRozprawy doktorskie na temat "Microorganismes – Effets des métaux lourds"
Eshghi, Malayeri Behrouz. "Décontamination des sols contenant des métaux lourds à l'aide de plantes et de microorganismes". Nancy 1, 1995. http://docnum.univ-lorraine.fr/public/SCD_T_1995_0353_ESHGHI_MALAYERI.pdf.
Pełny tekst źródłaDoillon, Didier. "Déterminants moléculaires de la tolérance au zinc des microorganismes eucaryotes". Thesis, Nancy 1, 2010. http://www.theses.fr/2010NAN10131/document.
Pełny tekst źródłaHeavy metal pollution leads to harmful impacts on lands and their associated communities. In order to study the diversity of the molecular determinants involved in metal tolerance by these organisms, two different strategies were employed. First, the mechanisms involved in zinc homeostasis and tolerance were studied by functional characterization of selected genes in Laccaria bicolor, an ectomycorrhizal model fungus with high economic value. Zinc homeostasis and tolerance mechanisms are mainly achieve d through the intracellular traffic of zinc mediated by transporters belonging to the ZIP (Zrt-, Irt- related Protein) and CDF (Cation Diffusion Facilitator) families. Phylogenetic analyses revealed an expansion of both CDF and ZIP gene numbers in the genome of L. bicolor, when compared to that of S. cerevisiae. Gene expression was also studied in different fungal tissues or under different zinc concentrations in the culture medium. Moreover, the functional characterization of several CDF and ZIP members was performed, as well as their subcellular localization. These data allowed us to refine the knowledge on the molecular mechanisms involved in both zinc homeostasis and tolerance in ectomycorrhizal fungi. Finally, an innovative experimental approach of metatranscriptomics was used. The study of the soil metatranscriptome from eukaryotes allows the comparison of functions expressed in eukaryotic communities colonizing different types of soil (contaminated, formerly contaminated, or non-contaminated by heavy metals). Environmental cDNA libraries constructed from mRNA extracted directly from these soils were screened by functional complementation of yeast mutants sensitive to zinc. This study allowed the identification of new genes and new mechanisms involved in zinc resistance. The development of this approach opens new insights into both fundamental and applied research for the detection of genes of interest, whatever the organism is cultivable or not
Gaillot, Olivier. "Etude de la résistance aux métaux lourds, agents intercalants et antiseptiques chez "Staphylococcus aureus" : intérêt épidémiologique". Paris 5, 1991. http://www.theses.fr/1991PA05P018.
Pełny tekst źródłaLlanos, Villarreal Jenny A. "Comportement vis-à-vis des métaux lourds de micro-organismes thermophiles isoles d'un site hydrothermal profond". Brest, 2000. http://www.theses.fr/2000BRES2021.
Pełny tekst źródłaDa, Costa Claire. "Répοnses et adaptatiοns des cοmmunautés micrοbiennes à une cοntaminatiοn par des métaux traces à différentes échelles spatiο-tempοrelles : impact de l'antimοine". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMR038.
Pełny tekst źródłaThe sedimentary compartment results from the accumulation of suspended particles resulting from the watershed erosion. These particles are associated with microorganisms and organic and inorganic contaminants resulting from human activity. Sediments are therefore the site of multiple interactions between microorganisms and contaminants. The aim of this thesis was to study the impact of chronic exposure to trace metals (TMEs) on the diversity, composition and structure of microbial communities and/or the enrichment of the resistome. In this context, the study of a sedimentary archive (Martot pond), integrating a multi-metallic contamination varying over the time, demonstrated that microbial communities are sensitive indicators to TMEs. However, microbial dynamics are more strongly influenced by other parameters, such as the source of sediment inputs and the characteristics of the organic matter. A second part of this thesis focused on recent sediments from a roadside stormwater retention basin enriched in antimony (Sb). The high geochemical reactivity of Sb within the basin (i.e., concentration, oxidation state and ligands) was correlated with changes in the composition of total and active microbial communities, within which, numerous genes involved in resistance (i.e., arsB, acr3, arsK, antA), and oxidation processes (i.e., arsB, acr3, arsK, antA), were identified. In parallel, the study of the antimonite oxidase AnoA, involved specifically in Sb(III) oxidation, suggests a much wider taxonomic distribution than previously thought. New primer sets have been created to amplify the anoA gene across different taxonomic groups (Alphaproteobacteria, Betaproteobacteria and Actinobacteria) and will enable us to better assess the contribution of this enzyme to Sb oxidation in complex microbial communities
De, Angelis Fabien. "Characterization of proteins involved in RND-driven heavy metal resistance systems of Cupriavidus metallidurans CH34". Doctoral thesis, Universite Libre de Bruxelles, 2010. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210154.
Pełny tekst źródłaDoctorat en Sciences agronomiques et ingénierie biologique
info:eu-repo/semantics/nonPublished
Ngonlong, Ekende Elisabeth. "Towards a better understanding of bacterial resistance to heavy metal ions: the case of the Sil and Zne systems from Cupriavidus metallidurans CH34". Doctoral thesis, Universite Libre de Bruxelles, 2012. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209686.
Pełny tekst źródłaEtienne, Mathieu. "Approches analytique et électrochimique du comportement en solution de silices mésoporeuses organiquement modifiées". Nancy 1, 2001. http://www.theses.fr/2001NAN10192.
Pełny tekst źródłaLehembre, Frédéric. "Réponses adaptatives des microorganismes eucaryotes du sol aux pollutions métalliques". Phd thesis, Université Claude Bernard - Lyon I, 2009. http://tel.archives-ouvertes.fr/tel-00482109.
Pełny tekst źródłaMouabad, Abdelfattah. "Toxicité comportementale et physiologique (filtration, respiration) des métaux lourds (Cu, Zn, Hg, Cd et Pb) chez la moule d'eau douce Dreissena polymorpha pallas : proposition d'un protocole d'essai pour l'évaluation de la toxicité par la réponse comportementale de Dreissena". Metz, 1991. http://docnum.univ-lorraine.fr/public/UPV-M/Theses/1991/Mouabad.Abdelfattah.SMZ918.pdf.
Pełny tekst źródłaThe study deals with the effetcts of subletal concentrations of heavy metals (Cu, Zn, Hg, Cd, Pb) on the pumping behaviour and physiological functions (filtration rate, oxygen consumption) of the freshwater mussel Dreissena polymorpha. A preliminary study, carried out to screen the letal effects, showed that the LC 50-96 h is 0,191mg/l for Cu, 0,420 mg/l for Hg and above 14 mg/l for Cd. Zn has no letal effect in a 96 h exposure. In a 24h exposure, subletal concentrations of metals induce deep changes in the pumping activity of Dreissena. Pumping flow becomes intermittence and valve closure in enhanced. The effects are concentration dependent. Metals can be classified in a decreasing order of toxicity as following : Hg, Cu, Cd, Pb, Zn. In view of its good sensitivity, the behavioural response of Dreissena is proposed as a tool for the screening of toxicity in freshwaters. The detection limits set for metals are (in mg/l) : 0, 010 for Hg, 0,015 for Cu, 0,100 for Cd, 0,200 for Zn and 0,400 for Pb. In exposures of 48 h and 1 week, metals significantly reduce the filtration rate of Dreissena. Order of toxicity is the same as for behaviour. The oxygen consumption study showed that it is increased by Zn and reduced by Cu and Hg. No effect was obtained with Cd and Pb. Integration of the physiological effects was undertaken for Cd (0,005 to 0,045 mg/l) and Cu (0,004 to 0,044 mg/l) in a 4 weeks exposure. Results show that the Scope for Growth in not impaired by Cd whereas Cu reduces it. The usefulness of the studied physiological functions as criteria for the chronic toxicity testing is discussed
Książki na temat "Microorganismes – Effets des métaux lourds"
Champoux, Louise. Exposition au mercure et ses effets chez le plongeon huard (Gavia immer) sur les lacs du Québec. Sainte-Foy, Qué: Service canadien de la faune, 2006.
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