Littérature scientifique sur le sujet « Collimonas »
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Articles de revues sur le sujet "Collimonas"
Höppener-Ogawa, Sachie, Johan H. J. Leveau, Wiecher Smant, Johannes A. van Veen et Wietse de Boer. « Specific Detection and Real-Time PCR Quantification of Potentially Mycophagous Bacteria Belonging to the Genus Collimonas in Different Soil Ecosystems† ». Applied and Environmental Microbiology 73, no 13 (4 mai 2007) : 4191–97. http://dx.doi.org/10.1128/aem.00387-07.
Texte intégralZhang, De-Chao, Mersiha Redzic, Franz Schinner et Rosa Margesin. « Glaciimonas immobilis gen. nov., sp. nov., a member of the family Oxalobacteraceae isolated from alpine glacier cryoconite ». International Journal of Systematic and Evolutionary Microbiology 61, no 9 (1 septembre 2011) : 2186–90. http://dx.doi.org/10.1099/ijs.0.028001-0.
Texte intégralHoppener-Ogawa, S., W. de Boer, J. H. J. Leveau, J. A. van Veen, E. de Brandt, E. Vanlaere, H. Sutton, D. J. Dare et P. Vandamme. « Collimonas arenae sp. nov. and Collimonas pratensis sp. nov., isolated from (semi-)natural grassland soils ». INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY 58, no 2 (1 février 2008) : 414–19. http://dx.doi.org/10.1099/ijs.0.65375-0.
Texte intégralLee, Soon Dong. « Collimonas antrihumi sp. nov., isolated from a natural cave and emended description of the genus Collimonas ». International Journal of Systematic and Evolutionary Microbiology 68, no 8 (1 août 2018) : 2448–53. http://dx.doi.org/10.1099/ijsem.0.002855.
Texte intégralde Boer, Wietse, Johan H. J. Leveau, George A. Kowalchuk, Paulien J. A. Klein Gunnewiek, Edwin C. A. Abeln, Marian J. Figge, Klaas Sjollema, Jaap D. Janse et Johannes A. van Veen. « Collimonas fungivorans gen. nov., sp. nov., a chitinolytic soil bacterium with the ability to grow on living fungal hyphae ». International Journal of Systematic and Evolutionary Microbiology 54, no 3 (1 mai 2004) : 857–64. http://dx.doi.org/10.1099/ijs.0.02920-0.
Texte intégralDoan, Hung K., Nilesh N. Maharaj, Kaitlyn N. Kelly, Eugene M. Miyao, R. Michael Davis et Johan H. J. Leveau. « Antimycotal Activity of Collimonas Isolates and Synergy-Based Biological Control of Fusarium Wilt of Tomato ». Phytobiomes Journal 4, no 1 (janvier 2020) : 64–74. http://dx.doi.org/10.1094/pbiomes-05-19-0027-r.
Texte intégralBallhausen, Max-Bernhard, Peter Vandamme et Wietse de Boer. « Trait Differentiation within the Fungus-Feeding (Mycophagous) Bacterial Genus Collimonas ». PLOS ONE 11, no 6 (16 juin 2016) : e0157552. http://dx.doi.org/10.1371/journal.pone.0157552.
Texte intégralFritsche, Kathrin, Wietse De Boer, Saskia Gerards, Marlies Van Den Berg, Johannes A. Van Veen et Johan H. J. Leveau. « Identification and characterization of genes underlying chitinolysis in Collimonas fungivorans Ter331 ». FEMS Microbiology Ecology 66, no 1 (octobre 2008) : 123–35. http://dx.doi.org/10.1111/j.1574-6941.2008.00547.x.
Texte intégralLee, Ye-Rim, Robert J. Mitchell et Kyung-Sook Whang. « Isolation and characterization of antifungal violacein producing bacterium Collimonas sp. DEC-B5 ». Korean Journal of Microbiology 52, no 2 (30 juin 2016) : 212–19. http://dx.doi.org/10.7845/kjm.2016.6031.
Texte intégralUroz, S., C. Calvaruso, M. P. Turpault, J. C. Pierrat, C. Mustin et P. Frey-Klett. « Effect of the Mycorrhizosphere on the Genotypic and Metabolic Diversity of the Bacterial Communities Involved in Mineral Weathering in a Forest Soil ». Applied and Environmental Microbiology 73, no 9 (9 mars 2007) : 3019–27. http://dx.doi.org/10.1128/aem.00121-07.
Texte intégralThèses sur le sujet "Collimonas"
Picard, Laura. « Génomique de l'altération des minéraux par la souche bactérienne Collimonas pratensis PMB3(1) ». Electronic Thesis or Diss., Université de Lorraine, 2021. http://www.theses.fr/2021LORR0258.
Texte intégralIn temperate regions, minerals and rocks represent one of the main sources of nutritive cations in the soil of low-input ecosystems such as forests. In such nutrient-poor and non-amended environments, the access and the recycling of nutritive cations are key processes for tree growth and productivity. However, these nutritive cations are almost inaccessible to the tree roots as they are entrapped into organic matter or into soil minerals and rocks. Consequently, the mineral weathering process is essential, as it allows the restauration of soil fertility and provides the inorganic nutrients for tree growth. Mineral weathering can be attributed to abiotic (temperature, pH, erosion…) or biotic (plants, fungi, bacteria…) processes. Among the biotic processes, bacteria are able to weather minerals by different mechanisms such as the production of protons (acidolysis) or the production of chelating molecules (complexolysis). However, genes and proteins involved in mineral weathering by bacteria are not yet elucidated. As part of this thesis, a bacterial Collimonas pratensis strain PMB3(1) was used as a model to identify genes involved in mineral weathering. This strain was isolated from oak mycorrhizosphere and is efficient in weathering minerals. In this thesis, the analysis of the genome of the strain PMB3(1) evidenced the absence of certain genes described in mineral weathering (such as PQQ-dependent glucose dehydrogenases) and highlighted the need to develop two complementary approaches: with and without a priori. (i) The without a priori approach, has been developed with the building of a mutant library with the insertion of a plasposon pOT-182. The screening of this mutant library on biotests miming mineral weathering allowed the selection of three mutants impacted in their mineral weathering ability. The characterisation of these mutants revealed mutations in different genes involved in a glucose/methanol/choline oxidoreductase (GMC) synthesis. Comparisons between wild type and mutants chemical compounds in the culture supernatants showed that this GMC was able to converts glucose to gluconate and produce protons, leading to the acidification of the medium and minerals acidolysis. (ii) The with a priori approach was the building of a mbaA mutant coding for a NRPS (non-ribosomal peptide synthetase) responsible of siderophore biosynthesis. The combined use of chromatography (HPLC) and mass spectrometry (LC-ESI-MS and MS/MS) methods allowed to chemically characterize the siderophore as malleobactin X. Comparisons between wild ype and mbaA mutant strains revealed that the production of malleobactin was involved in mineral weathering by complexolysis in a strong buffered medium. Weathering tests performed with different mineral types in presence of two carbon sources (glucose or mannitol) and two media with different buffering capacities showed that the strain PMB3(1) was efficient to weather all tested minerals and that weathering molecules (GMC and malleobactin) had a similar effect whatever the mineral type. Furthermore, the carbon source and the buffering capacity had a strong influence on weathering molecules efficiency. Finally, preliminary results have been obtained on the regulation of genes and proteins according to inorganic nutrients availability and the presence of minerals by transcriptomic and proteomic technics. To conclude, this thesis (i) allowed the discovery of new genes involved in mineral weathering by bacteria, (ii) evidenced the influence of environmental factors in efficiency of molecular mechanisms involved in mineral weathering and used by bacteria